/* Переменные брендбука - Стиль современных онлайн-школ */
:root {
    /* Основные цвета */
    --primary-blue: #4A90E2;
    --primary-mint: #5DCEA5;
    --primary-warm: #FFD166;
    
    /* Нейтральные */
    --gray-50: #F8F9FA;
    --gray-100: #F1F3F5;
    --gray-600: #6C757D;
    --gray-900: #2C3E50;
    --white: #FFFFFF;
    
    /* Семантические */
    --success: #5DCEA5;
    --warning: #FFD166;
    --error: #EF4444;
    
    /* Старые переменные для совместимости */
    --primary-color: #4A90E2;
    --accent-color: #FFD166;
    --bg-color: #FFFFFF;
    --text-color: #6C757D;
    --gray-light: #F8F9FA;
    
    /* Отступы */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Радиусы */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Тени */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

/* Сброс стилей */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--white);
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* Контейнер и сетка */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -10px;
}

.col-4 {
    flex: 0 0 33.333%;
    padding: 0 10px;
    margin-bottom: 20px;
}

/* Шапка */
.header {
    background: var(--white);
    color: var(--gray-900);
    padding: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo h1 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
}

.header__nav {
    display: flex;
    gap: 16px;
    flex: 1;
    justify-content: center;
    flex-wrap: nowrap;
}

.header__link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    transition: color 0.3s;
    position: relative;
    white-space: nowrap;
}

.header__link:hover {
    color: var(--primary-blue);
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-blue);
    transition: width 0.3s;
}

.header__link:hover::after {
    width: 100%;
}

.header .menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10003;
    position: relative;
    width: 40px;
    height: 40px;
    justify-content: center;
    align-items: center;
}

.header .menu-toggle span {
    width: 26px;
    height: 3px;
    background-color: var(--primary-blue);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
    display: block;
}

.header .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.header .menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.header .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media screen and (max-width: 992px) {
    .header .menu-toggle {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
}

/* Навигация */
.nav {
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-100);
    position: relative;
    z-index: 99;
}

.nav__list {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
}

.nav__item {
    margin: 0;
}

.nav__link {
    display: block;
    padding: 15px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 14px;
}

.nav__link:hover {
    color: var(--primary-blue);
    background-color: var(--gray-50);
}

.nav__link.active {
    color: var(--primary-blue);
    border-bottom: 3px solid var(--primary-blue);
    background-color: transparent;
}

/* Основной контент */
.main {
    min-height: calc(100vh - 300px);
    padding: 40px 0;
}

.hero {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e4a8c 100%);
    color: var(--bg-color);
    border-radius: 10px;
    margin-bottom: 40px;
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 18px;
    margin-bottom: 30px;
}

/* Кнопки */
.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn--primary {
    background: var(--primary-blue);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.btn--primary:hover {
    background: #3A7BC8;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
}

.btn--accent {
    background: var(--primary-mint);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(93, 206, 165, 0.3);
}

.btn--accent:hover {
    background: #4DB894;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(93, 206, 165, 0.4);
}

.btn--secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn--secondary:hover {
    background: var(--gray-50);
}

/* Карточки */
.feature-card, .direction-card, .course-card, .tutor-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--gray-100);
}

.feature-card:hover, .direction-card:hover, .course-card:hover, .tutor-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

/* Футер */
.footer {
    background-color: var(--text-color);
    color: var(--bg-color);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

/* Слайдер */
.slider {
    position: relative;
    overflow: hidden;
    margin-bottom: 80px;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4F8 100%);
    border-radius: 24px;
}

.slider__container {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider__item {
    min-width: 100%;
    height: 500px;
    display: flex;
    align-items: center;
    color: var(--gray-900);
    opacity: 0;
    transition: opacity 0.5s;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    padding: var(--spacing-3xl) 0;
}

.slider__item::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    z-index: 0;
}

.slider__item .container {
    position: relative;
    z-index: 1;
}

.slider__item.active {
    opacity: 1;
}

.slider__item h2 {
    font-size: 52px;
    margin-bottom: 24px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.slider__item p {
    font-size: 20px;
    margin-bottom: 30px;
    color: var(--gray-600);
    max-width: 600px;
}

.slider__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.3);
    border: none;
    color: var(--bg-color);
    font-size: 40px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background 0.3s;
    z-index: 10;
}

.slider__btn:hover {
    background: rgba(255,255,255,0.5);
}

.slider__btn--prev {
    left: 20px;
}

.slider__btn--next {
    right: 20px;
}

.slider__dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.slider__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: background 0.3s;
}

.slider__dot.active {
    background: var(--bg-color);
}

/* Счётчики */
.stats {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.stat-card__number {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.stat-card__label {
    font-size: 18px;
    color: var(--gray-600);
    font-weight: 500;
}

/* Направления */
.directions {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.section-title {
    text-align: center;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: var(--spacing-2xl);
    color: var(--gray-900);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.direction-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--gray-600);
    display: block;
    height: 100%;
    border: 2px solid transparent;
}

.direction-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.direction-card__icon {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
    filter: drop-shadow(0 4px 8px rgba(74, 144, 226, 0.2));
}

.direction-card h3 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
    font-size: 20px;
    font-weight: 600;
}

.direction-card p {
    color: var(--gray-600);
    font-size: 15px;
}

/* Калькулятор */
.calculator {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.calculator__wrapper {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    background: var(--gray-50);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
}

.calculator__form {
    flex: 1;
}

.calculator__input {
    width: 100%;
    padding: 14px 16px;
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 16px;
    transition: border-color 0.2s;
}

.calculator__input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.calculator__result {
    text-align: center;
}

.calculator__price {
    font-size: 52px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-lg);
}

/* Консультация */
.consultation {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-mint) 100%);
    color: var(--white);
    border-radius: 24px;
    margin: var(--spacing-3xl) 0;
    box-shadow: 0 12px 40px rgba(74, 144, 226, 0.25);
}

.consultation__wrapper {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
}

.consultation__content {
    flex: 1;
}

.consultation__content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.consultation__content p {
    font-size: 18px;
    opacity: 0.9;
}

.consultation__form {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.consultation__input {
    padding: 14px 16px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
}

/* Новости */
.news {
    padding: 40px 0;
}

.news-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    height: 100%;
}

.news-card__date {
    color: #5DCEA5;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Отзывы */
.reviews {
    padding: 40px 0;
    background: var(--gray-light);
}

.review-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    height: 100%;
}

.review-card__rating {
    color: #FFD700;
    font-size: 20px;
    margin-bottom: 15px;
}

.review-card__text {
    font-style: italic;
    margin-bottom: 15px;
    line-height: 1.6;
}

.review-card__author {
    font-weight: bold;
    color: var(--primary-color);
}

/* Карта */
.map {
    padding: 40px 0;
}

.map__wrapper {
    display: flex;
    gap: 30px;
}

.map__list {
    flex: 1;
}

.map__item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 15px;
    cursor: pointer;
    transition: transform 0.3s;
}

.map__item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.map__item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.map__container {
    flex: 1.5;
    min-height: 400px;
    background: var(--gray-light);
    border-radius: 8px;
    overflow: hidden;
}

.map__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    font-size: 24px;
    color: var(--text-color);
}

/* Мессенджеры */
.messengers {
    display: none;
}

.messenger-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-color);
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}

.messenger-btn:hover {
    transform: scale(1.1);
}

.messenger-btn--whatsapp {
    background: #25D366;
}

.messenger-btn--telegram {
    background: #0088cc;
}

.messenger-btn--vk {
    background: #0077FF;
}

.messenger-btn--email {
    background: #EA4335;
}

/* Страница курсов - новый дизайн */
.courses-hero {
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4F8 100%);
    border-radius: 24px;
    padding: 60px;
    margin-bottom: 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.courses-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.courses-hero__content {
    position: relative;
    z-index: 1;
}

.courses-hero__title {
    font-size: 48px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.courses-hero__subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.courses-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
    font-weight: 500;
}

/* Фильтры */
.courses-filters {
    background: var(--white);
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    margin-bottom: 48px;
    border: 2px solid var(--gray-100);
}

.filters-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-select {
    padding: 12px 16px;
    border: 2px solid var(--gray-100);
    border-radius: 12px;
    font-size: 15px;
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 180px;
    font-weight: 500;
}

.filter-select:hover {
    border-color: var(--primary-blue);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* Сетка курсов */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 32px;
}

/* Карточки курсов */
.course-card {
    background: var(--white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid var(--gray-100);
    transition: all 0.3s ease;
    position: relative;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
    border-color: var(--primary-blue);
}

.course-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.course-image {
    height: 0;
    display: none;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    position: relative;
    overflow: hidden;
}

.course-image::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.course-content {
    padding: 24px;
    text-align: center !important;
}
.course-content * {
    text-align: center !important;
}
.course-content .course-meta {
    justify-content: center !important;
}
.course-content .course-footer {
    justify-content: center !important;
    flex-wrap: wrap !important;
}
.course-content .course-actions {
    justify-content: center !important;
}

.course-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
    line-height: 1.3;
}

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    justify-content: center;
}

.meta-tag {
    background: var(--gray-50);
    color: var(--gray-600);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--gray-100);
}

.meta-rating {
    background: linear-gradient(135deg, var(--primary-warm), #FFB800);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    margin-left: auto;
}

.course-description {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 15px;
}

.course-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.feature {
    font-size: 12px;
    color: var(--gray-600);
    background: var(--gray-50);
    padding: 4px 8px;
    border-radius: 8px;
    border: 1px solid var(--gray-100);
}

.course-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-100);
}

.course-price {
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-current {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-old {
    font-size: 16px;
    color: var(--gray-600);
    text-decoration: line-through;
}

.course-actions {
    display: flex;
    gap: 8px;
}

.course-actions .btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 600;
}

/* Модальное окно записи */
.enroll-course-info {
    margin-bottom: 24px;
}

.course-preview {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: 16px;
    border: 2px solid var(--gray-100);
}

.course-preview__icon {
    font-size: 48px;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.course-preview__info h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.course-preview__info p {
    color: var(--gray-600);
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

/* Форма записи */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-900);
    font-size: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-100);
    border-radius: 12px;
    font-size: 15px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

/* Чекбокс */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-300);
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
}

/* Адаптивность */
@media (max-width: 992px) {
    .courses-hero {
        padding: 40px 20px;
    }
    
    .courses-hero__title {
        font-size: 36px;
    }
    
    .courses-stats {
        gap: 32px;
    }
    
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 24px;
    }
    
    .filters-row {
        flex-direction: column;
    }
    
    .filter-select {
        min-width: auto;
    }
}

@media (max-width: 768px) {
    .courses-hero__title {
        font-size: 28px;
    }
    
    .courses-hero__subtitle {
        font-size: 16px;
    }
    
    .courses-stats {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-actions {
        flex-direction: column;
    }
    
    .course-actions .btn {
        width: 100%;
    }
    
    .course-footer {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
}

/* Детальная страница курса - новый дизайн */
.course-detail {
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero секция курса */
.course-hero {
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4F8 100%);
    border-radius: 24px;
    padding: 60px;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.course-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.course-hero__content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.course-hero__badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.course-hero__title {
    font-size: 48px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.course-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 24px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    color: var(--gray-600);
    font-weight: 500;
}

.meta-item i {
    font-size: 20px;
}

.course-hero__description {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

.course-hero__illustration {
    text-align: center;
}

.course-icon {
    font-size: 120px;
    filter: drop-shadow(0 10px 30px rgba(0,0,0,0.1));
    animation: float 3s ease-in-out infinite;
}

/* Секции курса */
.course-section {
    margin-bottom: 80px;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Цели обучения */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.goal-item {
    background: var(--white);
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid var(--gray-100);
    transition: all 0.3s ease;
    position: relative;
}

.goal-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

.goal-item::before {
    content: '✓';
    position: absolute;
    top: -12px;
    left: 24px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    color: var(--white);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.goal-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
    margin-top: 8px;
}

.goal-item p {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* Программа курса */
.curriculum-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.curriculum-item {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.curriculum-item:hover {
    border-color: var(--primary-blue);
}

.curriculum-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    cursor: pointer;
    transition: background 0.3s;
}

.curriculum-header:hover {
    background: var(--gray-50);
}

.curriculum-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.curriculum-icon {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    transition: transform 0.3s;
}

.curriculum-item.active .curriculum-icon {
    transform: rotate(45deg);
}

.curriculum-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 28px;
}

.curriculum-item.active .curriculum-content {
    max-height: 500px;
    padding: 0 28px 24px;
}

.curriculum-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.curriculum-content li {
    padding: 12px 0;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
    position: relative;
    padding-left: 24px;
}

.curriculum-content li:last-child {
    border-bottom: none;
}

.curriculum-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: 700;
}

/* Преподаватели */
.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.teacher-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid var(--gray-100);
    transition: all 0.3s ease;
    text-align: center;
}

.teacher-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

.teacher-avatar {
    font-size: 80px;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

.teacher-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.teacher-position {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 16px;
}

.teacher-bio {
    color: var(--gray-600);
    line-height: 1.6;
    margin: 0;
}

/* Расписание */
.schedule-info {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid var(--gray-100);
    max-width: 800px;
    margin: 0 auto;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.schedule-item {
    text-align: center;
    padding: 24px;
    background: var(--gray-50);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.schedule-item:hover {
    background: var(--white);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.schedule-item__icon {
    font-size: 32px;
    margin-bottom: 12px;
    display: block;
}

.schedule-item__label {
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
    font-size: 16px;
}

.schedule-item__value {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.4;
}

/* Тарифы */
.pricing-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto 40px;
}

.pricing-plan {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-plan:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

.pricing-plan--popular {
    border-color: var(--primary-blue);
    border-width: 3px;
    transform: scale(1.05);
}

.pricing-plan--popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.plan-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.plan-header h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.plan-header p {
    color: var(--gray-600);
    margin-bottom: 24px;
    font-size: 15px;
}

.plan-price {
    margin-bottom: 32px;
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-600);
    margin-left: 4px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    text-align: left;
}

.plan-features li {
    padding: 12px 0;
    color: var(--gray-600);
    font-size: 15px;
    border-bottom: 1px solid var(--gray-100);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-btn {
    width: 100%;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
}

/* Опции оплаты */
.payment-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 24px;
    background: var(--gray-50);
    border-radius: 16px;
    flex-wrap: wrap;
    gap: 20px;
}

.payment-note {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-600);
    font-size: 15px;
}

.payment-note i {
    font-size: 20px;
    color: var(--primary-blue);
}

.payment-methods {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray-600);
    font-size: 15px;
}

.payment-icons {
    display: flex;
    gap: 8px;
}

.payment-icons span {
    font-size: 24px;
}

/* Документы */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.document-card {
    background: var(--white);
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 2px solid var(--gray-100);
    text-align: center;
    transition: all 0.3s ease;
}

.document-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

.document-icon {
    font-size: 48px;
    margin-bottom: 16px;
    filter: drop-shadow(0 4px 8px rgba(74, 144, 226, 0.2));
}

.document-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.document-card p {
    color: var(--gray-600);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.btn--outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
}

.btn--outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

/* Призыв к действию */
.course-cta {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-mint) 100%);
    color: var(--white);
    padding: 60px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(74, 144, 226, 0.25);
}

.cta-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn--primary {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(255,255,255,0.3);
}

.cta-buttons .btn--primary:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
}

.cta-buttons .btn--secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    box-shadow: none;
}

.cta-buttons .btn--secondary:hover {
    background: var(--white);
    color: var(--primary-blue);
}

/* FAQ обновленный */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq__item {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq__item:hover {
    border-color: var(--primary-blue);
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    cursor: pointer;
    transition: background 0.3s;
}

.faq__question:hover {
    background: var(--gray-50);
}

.faq__question h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.faq__icon {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    transition: transform 0.3s;
}

.faq__item.active .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 28px;
}

.faq__item.active .faq__answer {
    max-height: 300px;
    padding: 0 28px 24px;
}

.faq__answer p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 15px;
    margin: 0;
}

/* Адаптивность для страницы курса */
@media (max-width: 992px) {
    .course-hero {
        padding: 40px;
    }
    
    .course-hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .course-hero__title {
        font-size: 36px;
    }
    
    .course-icon {
        font-size: 80px;
    }
    
    .pricing-plans {
        grid-template-columns: 1fr;
    }
    
    .pricing-plan--popular {
        transform: scale(1);
    }
    
    .payment-options {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .course-hero {
        padding: 30px 20px;
    }
    
    .course-hero__title {
        font-size: 28px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .goals-grid,
    .teachers-grid,
    .documents-grid {
        grid-template-columns: 1fr;
    }
    
    .course-cta {
        padding: 40px 20px;
    }
    
    .cta-content h2 {
        font-size: 28px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Аккордеон */
.accordion__item {
    background: var(--bg-color);
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.accordion__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.accordion__header:hover {
    background: var(--gray-light);
}

.accordion__header h3 {
    margin: 0;
    font-size: 18px;
}

.accordion__icon {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.accordion__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion__content ul {
    padding: 0 20px 20px 40px;
    margin: 0;
}

.accordion__content li {
    padding: 5px 0;
}

/* Преподаватели */
.teachers {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.teacher-card {
    display: flex;
    gap: 20px;
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.teacher-card__avatar {
    font-size: 64px;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.teacher-card__info h3 {
    margin-bottom: 5px;
    color: var(--primary-color);
}

.teacher-card__position {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 10px;
}

/* Расписание */
.schedule {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.schedule__item {
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.schedule__item:last-child {
    border-bottom: none;
}

/* Цены */
.pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.pricing__option {
    background: var(--gray-light);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    position: relative;
}

.pricing__option--featured {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e4a8c 100%);
    color: var(--bg-color);
    transform: scale(1.05);
}

.pricing__badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--accent-color);
    color: var(--bg-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.pricing__option h3 {
    font-size: 24px;
    margin-bottom: 15px;
}

.pricing__price {
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
}

.pricing__option ul {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
    text-align: left;
}

.pricing__option ul li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.pricing__option--featured ul li {
    border-bottom-color: rgba(255,255,255,0.2);
}

.payment-info {
    text-align: center;
    color: #666;
    font-style: italic;
}

/* Документы */
.documents {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.document-link {
    display: inline-block;
    padding: 15px 20px;
    background: var(--gray-light);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.document-link:hover {
    background: #e0e0e0;
}

/* FAQ */
.faq__item {
    background: var(--bg-color);
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.faq__question:hover {
    background: var(--gray-light);
}

.faq__question h3 {
    margin: 0;
    font-size: 16px;
}

.faq__icon {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 20px;
}

.faq__item.active .faq__answer {
    padding: 0 20px 20px;
}

@media (max-width: 768px) {
    .filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filters__group {
        flex-direction: column;
    }
    
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-detail__title {
        font-size: 28px;
    }
    
    .teacher-card {
        flex-direction: column;
        text-align: center;
    }
    
    .pricing__option--featured {
        transform: scale(1);
    }
}

/* Страница репетиторов */
.tutors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

.tutor-card {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    position: relative;
    text-align: center;
}

.tutor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.tutor-card__badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent-color);
    color: var(--bg-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.tutor-card__photo {
    font-size: 80px;
    margin-bottom: 15px;
    overflow: hidden;
    border-radius: 12px;
}
.tutor-card__photo img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
}

.tutor-card__name {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
}

.tutor-card__subject {
    color: #666;
    margin-bottom: 15px;
}

.tutor-card__rating {
    margin-bottom: 15px;
}

.stars {
    font-size: 18px;
}

.rating-value {
    color: #666;
    font-size: 14px;
    margin-left: 5px;
}

.tutor-card__stats {
    background: var(--gray-light);
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    text-align: left;
}

.stat {
    padding: 5px 0;
    font-size: 14px;
}

.tutor-card__info {
    text-align: left;
    margin-bottom: 15px;
}

.tutor-card__info p {
    padding: 5px 0;
    font-size: 14px;
}

.btn--full {
    width: 100%;
}

/* Детальная страница репетитора */
.tutor-detail__header {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
}

.tutor-detail__photo {
    font-size: 120px;
}

.tutor-detail__info h1 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.tutor-detail__subject {
    font-size: 18px;
    color: #666;
    margin-bottom: 10px;
}

.tutor-detail__rating {
    margin-bottom: 15px;
}

.tutor-detail__price {
    font-size: 32px;
    font-weight: bold;
    color: var(--accent-color);
}

.tutor-section {
    margin-bottom: 40px;
}

.tutor-section h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Видео */
.video-container {
    background: var(--gray-light);
    border-radius: 8px;
    overflow: hidden;
}

.video-placeholder {
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 24px;
}

/* Статистика */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-box {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.stat-box__value {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-box__label {
    color: #666;
}

.achievements-list {
    list-style: none;
    padding: 0;
}

.achievements-list li {
    padding: 10px 0 10px 30px;
    position: relative;
}

.achievements-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 18px;
}

/* Расписание */
.schedule-booking {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.week-selector {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.week-btn {
    background: var(--primary-color);
    color: var(--bg-color);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 18px;
}

.week-btn:hover {
    background: #1e4a8c;
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.schedule-day {
    background: var(--bg-color);
    border-radius: 5px;
    padding: 10px;
}

.schedule-day__header {
    text-align: center;
    font-weight: bold;
    padding: 10px 0;
    border-bottom: 2px solid var(--primary-color);
    margin-bottom: 10px;
}

.time-slot {
    padding: 10px;
    margin: 5px 0;
    border-radius: 5px;
    text-align: center;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.time-slot.available {
    background: #d4edda;
    color: #155724;
}

.time-slot.available:hover {
    background: #c3e6cb;
    transform: scale(1.05);
}

.time-slot.booked {
    background: #f8d7da;
    color: #721c24;
    cursor: not-allowed;
}

.time-slot.unavailable {
    background: #e2e3e5;
    color: #6c757d;
    cursor: not-allowed;
}

.time-slot.selected {
    background: var(--accent-color);
    color: var(--bg-color);
    font-weight: bold;
}

.schedule-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 14px;
}

.legend-box {
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 3px;
    margin-right: 5px;
    vertical-align: middle;
}

.legend-box.available {
    background: #d4edda;
}

.legend-box.booked {
    background: #f8d7da;
}

.legend-box.unavailable {
    background: #e2e3e5;
}

/* Отзывы */
.reviews-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.review-item {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.review-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.review-item__author strong {
    color: var(--primary-color);
}

.review-item__date {
    color: #666;
    font-size: 14px;
    margin-left: 10px;
}

.review-item__rating {
    font-weight: bold;
}

.review-item__text {
    line-height: 1.6;
}

.btn--secondary {
    background: var(--gray-light);
    color: var(--text-color);
    border: 1px solid #ddd;
}

.btn--secondary:hover {
    background: #e0e0e0;
}

/* Кнопка записи */
.booking-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e4a8c 100%);
    color: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.booking-cta__info h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.btn--large {
    padding: 15px 40px;
    font-size: 18px;
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}

.modal__content {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal__close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 30px;
    cursor: pointer;
    color: #666;
}

.modal__close:hover {
    color: var(--text-color);
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.booking-form__input,
.booking-form__textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.booking-form__textarea {
    min-height: 100px;
    resize: vertical;
}

@media (max-width: 992px) {
    .schedule-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .tutors-grid {
        grid-template-columns: 1fr;
    }
    
    .tutor-detail__header {
        flex-direction: column;
        text-align: center;
    }
    
    .schedule-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .booking-cta {
        flex-direction: column;
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Страница дополнительного образования */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--gray-light);
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.section-subtitle {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 25px;
}

/* Кружки */
.clubs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.club-card {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    text-align: center;
}

.club-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.club-card__image {
    font-size: 64px;
    margin-bottom: 15px;
}

.club-card__title {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
}

.club-card__age {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 10px;
}

.club-card__desc {
    margin-bottom: 15px;
    line-height: 1.6;
}

.club-card__schedule {
    background: var(--gray-light);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
    font-size: 14px;
}

.club-card__price {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* Галерея */
.gallery-section {
    margin-top: 40px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.gallery-item {
    aspect-ratio: 1;
    background: var(--gray-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    cursor: pointer;
    transition: transform 0.3s;
}

.gallery-item:hover {
    transform: scale(1.05);
}

/* Для взрослых */
.adults-sections {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.adult-section {
    padding: 30px;
    background: var(--gray-light);
    border-radius: 8px;
}

.adult-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.adult-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.adult-card__icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.adult-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.adult-card__info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 15px 0;
    font-size: 14px;
    color: #666;
}

/* Вебинары */
.webinar-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.webinar-item {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.webinar-item__date {
    color: var(--accent-color);
    font-weight: bold;
    margin-bottom: 10px;
}

.webinar-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.webinar-item__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
}

.webinar-item__price {
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-color);
}

/* Корпоративное обучение */
.corporate-block {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
}

.corporate-list {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.corporate-list li {
    padding: 10px 0 10px 30px;
    position: relative;
}

.corporate-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 18px;
}

/* Сертификация */
.certification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.cert-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.cert-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Детальная страница кружка */
.club-detail__header {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    align-items: center;
}

.club-detail__icon {
    font-size: 100px;
}

.club-detail__info h1 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.club-detail__age {
    color: var(--accent-color);
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 10px;
}

.club-detail__schedule {
    font-size: 16px;
    margin-bottom: 15px;
}

.club-detail__price {
    font-size: 32px;
    font-weight: bold;
    color: var(--accent-color);
}

.club-section {
    margin-bottom: 40px;
}

.club-section h2 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Программа */
.program-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.program-item {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.program-item h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.program-item ul {
    padding-left: 20px;
}

.program-item li {
    padding: 5px 0;
}

/* Расписание таблица */
.schedule-table {
    background: var(--gray-light);
    border-radius: 8px;
    overflow: hidden;
}

.schedule-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid #ddd;
}

.schedule-row:last-child {
    border-bottom: none;
}

.schedule-cell {
    padding: 15px;
    text-align: center;
}

.schedule-row:first-child .schedule-cell {
    background: var(--primary-color);
    color: var(--bg-color);
}

/* Стоимость */
.pricing-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.price-option {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.price-option h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.price-value {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-color);
    margin: 15px 0;
}

/* Галерея работ */
.works-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.work-item {
    aspect-ratio: 1;
    background: var(--gray-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    cursor: pointer;
    transition: transform 0.3s;
}

.work-item:hover {
    transform: scale(1.05);
}

/* Форма записи */
.enrollment-form {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-input,
.form-textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .clubs-grid,
    .adult-cards,
    .certification-grid {
        grid-template-columns: 1fr;
    }
    
    .club-detail__header {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .schedule-row {
        grid-template-columns: 1fr;
    }
    
    .gallery,
    .works-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Страница закупок */
.cart-badge {
    background: var(--accent-color);
    color: var(--bg-color);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    margin-left: 5px;
}

/* Каталог */
.catalog-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.search-input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.catalog-item {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.catalog-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 16px;
}

.catalog-item__category {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.catalog-item__price {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.catalog-item__quantity {
    display: flex;
    gap: 10px;
    align-items: center;
}

.quantity-input {
    width: 60px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 5px;
    text-align: center;
}

/* Корзина */
.cart-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.empty-message {
    text-align: center;
    color: #666;
    padding: 40px;
    background: var(--gray-light);
    border-radius: 8px;
}

.cart-item {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item__info h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.cart-item__total {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-remove {
    background: var(--accent-color);
    color: var(--bg-color);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
}

.cart-summary {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    height: fit-content;
    position: sticky;
    top: 20px;
}

.cart-summary h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.cart-summary__row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.cart-summary__row:last-of-type {
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-color);
    border-bottom: none;
    margin-bottom: 20px;
}

/* Заказы */
.orders-filters {
    margin-bottom: 25px;
}

.orders-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.order-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.order-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.order-card__header h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.order-card__date {
    color: #666;
    font-size: 14px;
}

.status-badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-approved {
    background: #d4edda;
    color: #155724;
}

.status-ordered {
    background: #d1ecf1;
    color: #0c5460;
}

.status-delivered {
    background: #d4edda;
    color: #155724;
}

.status-rejected {
    background: #f8d7da;
    color: #721c24;
}

.order-card__items {
    margin-bottom: 15px;
    padding: 15px;
    background: var(--gray-light);
    border-radius: 5px;
}

.order-card__items p {
    padding: 5px 0;
}

.order-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.order-card__actions {
    display: flex;
    gap: 10px;
}

.delivery-info {
    color: #666;
    font-size: 14px;
    margin-top: 10px;
}

/* История */
.history-filters {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.history-table {
    background: var(--bg-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.history-table table {
    width: 100%;
    border-collapse: collapse;
}

.history-table th,
.history-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.history-table th {
    background: var(--primary-color);
    color: var(--bg-color);
    font-weight: bold;
}

.history-table tr:hover {
    background: var(--gray-light);
}

/* Отчёты */
.reports-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.report-card {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.report-card h3 {
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 15px;
}

.report-card__value {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.report-card__change {
    font-size: 14px;
}

.report-card__change.positive {
    color: #28a745;
}

.report-card__change.negative {
    color: #dc3545;
}

.reports-charts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.chart-container {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.chart-container h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.chart-placeholder {
    display: flex;
    justify-content: space-around;
    align-items: flex-end;
    height: 250px;
    padding: 20px;
    background: var(--gray-light);
    border-radius: 5px;
}

.chart-bar {
    background: var(--primary-color);
    color: var(--bg-color);
    padding: 10px;
    border-radius: 5px 5px 0 0;
    min-width: 80px;
    text-align: center;
    font-size: 12px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.line-chart {
    padding: 20px;
    background: var(--gray-light);
    border-radius: 5px;
    text-align: center;
}

.line-chart p {
    padding: 10px 0;
}

@media (max-width: 992px) {
    .cart-container {
        grid-template-columns: 1fr;
    }
    
    .reports-charts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .catalog-controls {
        flex-direction: column;
    }
    
    .catalog-grid {
        grid-template-columns: 1fr;
    }
    
    .order-card__header,
    .order-card__footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .history-table {
        overflow-x: auto;
    }
    
    .reports-summary {
        grid-template-columns: 1fr;
    }
}

/* Кабинет ученика */
.cabinet {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    min-height: 600px;
}

/* Боковое меню */
.cabinet-sidebar {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.user-profile {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-light);
    margin-bottom: 20px;
}

.user-profile__avatar {
    font-size: 64px;
    margin-bottom: 10px;
}

.user-profile h3 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

.user-profile p {
    color: #666;
    font-size: 14px;
}

.cabinet-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.cabinet-nav__item {
    background: none;
    border: none;
    padding: 15px;
    text-align: left;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s;
    font-size: 16px;
    color: var(--text-color);
}

.cabinet-nav__item:hover {
    background: var(--gray-light);
}

.cabinet-nav__item.active {
    background: var(--primary-color);
    color: var(--bg-color);
    font-weight: 500;
}

/* Контент */
.cabinet-content {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.cabinet-section {
    display: none;
}

.cabinet-section.active {
    display: block;
}

.cabinet-section h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 28px;
}

.cabinet-section h3 {
    color: var(--primary-color);
    margin: 25px 0 15px;
    font-size: 20px;
}

/* Расписание */
.schedule-toggle {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.toggle-btn {
    padding: 10px 20px;
    background: var(--gray-light);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.toggle-btn.active {
    background: var(--primary-color);
    color: var(--bg-color);
}

.schedule-week {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.schedule-day {
    background: var(--gray-light);
    padding: 15px;
    border-radius: 8px;
}

.schedule-day__header {
    font-weight: bold;
    text-align: center;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    margin-bottom: 10px;
    font-size: 14px;
}

.schedule-lesson {
    background: var(--bg-color);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
    position: relative;
}

.schedule-lesson__time {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
}

.schedule-lesson__title {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 13px;
}

.schedule-lesson__teacher {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
}

.schedule-lesson__format {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: bold;
}

.schedule-lesson__format.online {
    background: #d1ecf1;
    color: #0c5460;
}

.schedule-lesson__format.offline {
    background: #d4edda;
    color: #155724;
}

.schedule-empty {
    text-align: center;
    color: #666;
    padding: 20px;
    font-size: 14px;
}

.month-calendar {
    background: var(--gray-light);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.month-calendar p {
    padding: 10px 0;
    font-size: 16px;
}

/* Курсы */
.courses-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.course-progress-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
}

.course-progress-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.course-progress-card__header h3 {
    margin: 0;
    color: var(--primary-color);
}

.course-status {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
}

.course-status.active {
    background: #d1ecf1;
    color: #0c5460;
}

.course-status.completed {
    background: #d4edda;
    color: #155724;
}

.progress-bar {
    height: 20px;
    background: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s;
}

.course-progress-card__stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.course-progress-card__info {
    margin-bottom: 15px;
}

.course-progress-card__info p {
    padding: 5px 0;
    font-size: 14px;
}

/* Домашние задания */
.homework-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.homework-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.homework-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.homework-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.homework-card__header h4 {
    margin: 0;
    color: var(--primary-color);
}

.homework-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.homework-status.pending {
    background: #fff3cd;
    color: #856404;
}

.homework-status.active {
    background: #f8d7da;
    color: #721c24;
}

.homework-status.completed {
    background: #d4edda;
    color: #155724;
}

.homework-card__course {
    color: #666;
    font-size: 14px;
    margin-bottom: 5px;
}

.homework-card__deadline {
    font-size: 14px;
    margin-bottom: 10px;
}

.homework-card__file,
.homework-card__grade {
    background: var(--bg-color);
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
    font-size: 14px;
}

.homework-card__feedback {
    font-style: italic;
    color: #666;
    font-size: 14px;
    margin-top: 10px;
}

.homework-upload {
    margin-top: 10px;
}

/* Оплата */
.payments-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.payment-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.payment-card h3 {
    margin: 0 0 15px;
    font-size: 18px;
}

.payment-card__amount {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.payment-card p {
    font-size: 14px;
    margin: 5px 0;
}

.payments-history {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
}

.payment-item {
    background: var(--gray-light);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.payment-item__info strong {
    color: var(--primary-color);
}

.payment-item__info p {
    font-size: 14px;
    color: #666;
    margin-top: 5px;
}

.payment-item__amount {
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-color);
}

.payment-item__status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.payment-item__status.paid {
    background: #d4edda;
    color: #155724;
}

.documents-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.document-item {
    background: var(--gray-light);
    padding: 15px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    transition: background 0.3s;
}

.document-item:hover {
    background: #e0e0e0;
}

/* Обратная связь */
.feedback-form {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.feedback-history {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feedback-item {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.feedback-item__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.feedback-item__header strong {
    color: var(--primary-color);
}

.feedback-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.feedback-status.answered {
    background: #d4edda;
    color: #155724;
}

.feedback-status.pending {
    background: #fff3cd;
    color: #856404;
}

.feedback-item__date {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.feedback-item__text {
    font-size: 14px;
    margin-bottom: 10px;
}

/* Настройки */
.settings-form {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

@media (max-width: 992px) {
    .cabinet {
        grid-template-columns: 1fr;
    }
    
    .cabinet-sidebar {
        position: relative;
        top: 0;
    }
    
    .schedule-week {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .homework-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .schedule-week {
        grid-template-columns: 1fr;
    }
    
    .homework-stats {
        grid-template-columns: 1fr;
    }
    
    .payments-summary {
        grid-template-columns: 1fr;
    }
    
    .payment-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}

/* Кабинет преподавателя */
.students-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.groups-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.group-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.group-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.group-card p {
    margin-bottom: 15px;
    color: #666;
}

/* Таблицы */
.table-container {
    overflow-x: auto;
    margin-top: 20px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-color);
    border-radius: 8px;
    overflow: hidden;
}

.data-table th,
.data-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.data-table th {
    background: var(--primary-color);
    color: var(--bg-color);
    font-weight: bold;
}

.data-table tr:hover {
    background: var(--gray-light);
}

.mini-progress {
    display: inline-block;
    width: 100px;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    vertical-align: middle;
    margin-right: 10px;
}

.mini-progress__fill {
    height: 100%;
    background: var(--primary-color);
}

/* Домашние задания */
.homework-analytics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin: 25px 0;
}

/* Материалы */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin: 25px 0;
}

.material-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
}

.material-card__icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.material-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.material-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.material-card__actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.tests-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.test-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.test-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.test-card p {
    color: #666;
    margin-bottom: 15px;
}

.test-card__actions {
    display: flex;
    gap: 10px;
}

/* Финансы */
.finance-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.finance-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.finance-card h3 {
    margin: 0 0 15px;
    font-size: 18px;
    color: var(--primary-color);
}

.finance-card__amount {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.finance-card__change {
    font-size: 14px;
}

.finance-card__change.positive {
    color: #28a745;
}

.payment-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.payment-status.pending {
    background: #fff3cd;
    color: #856404;
}

.payment-status.paid {
    background: #d4edda;
    color: #155724;
}

/* Модальные окна */
.modal__content--large {
    max-width: 700px;
}

.homework-form,
.check-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.homework-check {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.homework-check p {
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

.homework-check__file {
    background: var(--gray-light);
    padding: 15px;
    border-radius: 5px;
}

.document-link {
    display: inline-block;
    padding: 10px 15px;
    background: var(--bg-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 5px;
    margin-top: 10px;
}

.document-link:hover {
    background: #e0e0e0;
}

.check-form label {
    font-weight: bold;
    margin-top: 10px;
}

@media (max-width: 992px) {
    .students-stats,
    .homework-analytics {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .finance-summary {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .students-stats,
    .homework-analytics {
        grid-template-columns: 1fr;
    }
    
    .materials-grid {
        grid-template-columns: 1fr;
    }
    
    .material-card__actions,
    .test-card__actions {
        flex-direction: column;
    }
}

/* Админ-панель */
.admin-panel {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    min-height: 600px;
}

.admin-sidebar {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    height: fit-content;
    position: sticky;
    top: 20px;
}

.admin-profile {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--gray-light);
    margin-bottom: 20px;
}

.admin-profile__avatar {
    font-size: 64px;
    margin-bottom: 10px;
}

.admin-profile h3 {
    color: var(--primary-color);
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.admin-nav__item {
    background: none;
    border: none;
    padding: 15px;
    text-align: left;
    cursor: pointer;
    border-radius: 5px;
    transition: all 0.3s;
    font-size: 16px;
    color: var(--text-color);
}

.admin-nav__item:hover {
    background: var(--gray-light);
}

.admin-nav__item.active {
    background: var(--primary-color);
    color: var(--bg-color);
    font-weight: 500;
}

.admin-content {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.admin-section h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 28px;
}

.admin-section h3 {
    color: var(--primary-color);
    margin: 25px 0 15px;
    font-size: 20px;
}

/* Дашборд */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    display: flex;
    gap: 20px;
    align-items: center;
}

.dashboard-card__icon {
    font-size: 48px;
}

.dashboard-card__value {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.dashboard-card__label {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.dashboard-card__change {
    font-size: 12px;
}

.dashboard-card__change.positive {
    color: #28a745;
}

.dashboard-card__change.negative {
    color: #dc3545;
}

.dashboard-charts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.chart-box {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.chart-box h3 {
    margin: 0 0 15px;
    font-size: 18px;
}

.chart-box canvas {
    width: 100%;
    height: 200px;
}

.dashboard-activity {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.activity-item {
    display: flex;
    gap: 15px;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 5px;
}

.activity-time {
    color: #666;
    font-size: 14px;
    min-width: 50px;
}

.activity-text {
    font-size: 14px;
}

/* Управление */
.admin-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.role-badge {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.role-badge.student {
    background: #d1ecf1;
    color: #0c5460;
}

.role-badge.teacher {
    background: #d4edda;
    color: #155724;
}

.role-badge.admin {
    background: #f8d7da;
    color: #721c24;
}

.btn--danger {
    background: #dc3545;
    color: var(--bg-color);
}

.btn--danger:hover {
    background: #c82333;
}

/* Курсы */
.courses-admin-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.course-admin-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.course-admin-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.course-admin-card p {
    margin-bottom: 15px;
    color: #666;
}

.course-admin-card__actions {
    display: flex;
    gap: 10px;
}

/* Аналитика */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.analytics-card {
    background: var(--gray-light);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
}

.analytics-card h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.analytics-value {
    font-size: 48px;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.analytics-card p {
    color: #666;
    font-size: 14px;
}

/* Уведомления */
.notifications-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.notification-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.notification-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.notification-card p {
    margin-bottom: 10px;
    color: #666;
    font-size: 14px;
}

.notification-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.notification-status.sent {
    background: #d4edda;
    color: #155724;
}

.notification-status.scheduled {
    background: #fff3cd;
    color: #856404;
}

/* Рассылки */
.mailing-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin: 25px 0;
}

.mailing-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mailing-card {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
}

.mailing-card h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.mailing-card p {
    margin-bottom: 15px;
    color: #666;
}

/* Резервное копирование */
.backup-controls {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.backup-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.backup-item {
    background: var(--gray-light);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.backup-item__info strong {
    color: var(--primary-color);
}

.backup-item__info p {
    color: #666;
    font-size: 14px;
    margin-top: 5px;
}

.backup-item__actions {
    display: flex;
    gap: 10px;
}

@media (max-width: 992px) {
    .admin-panel {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        position: relative;
        top: 0;
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-charts {
        grid-template-columns: 1fr;
    }
    
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .mailing-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .dashboard-stats,
    .mailing-stats {
        grid-template-columns: 1fr;
    }
    
    .admin-controls {
        flex-direction: column;
    }
    
    .course-admin-card__actions,
    .backup-item__actions {
        flex-direction: column;
    }
    
    .backup-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
}

/* Адаптивность */
@media (max-width: 992px) {
    .col-4 {
        flex: 0 0 50%;
    }
    
    .nav__link {
        padding: 12px 15px;
        font-size: 13px;
    }
    
    .calculator__wrapper,
    .consultation__wrapper,
    .map__wrapper {
        flex-direction: column;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .header__nav {
        position: fixed !important;
        top: 0 !important;
        right: -100% !important;
        width: 300px !important;
        height: 100vh !important;
        background: var(--white) !important;
        box-shadow: -4px 0 20px rgba(0,0,0,0.15) !important;
        padding: 80px 0 30px !important;
        transition: right 0.3s ease !important;
        z-index: 10002 !important;
        overflow-y: auto !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 0 !important;
        justify-content: flex-start !important;
        pointer-events: none !important;
    }
    
    .header__nav.active {
        right: 0 !important;
        pointer-events: auto !important;
    }
    
    .header__link {
        padding: 16px 30px !important;
        border-bottom: 1px solid var(--gray-100) !important;
        font-size: 15px !important;
        white-space: nowrap !important;
        display: block !important;
        color: var(--gray-600) !important;
        text-decoration: none !important;
        cursor: pointer !important;
        position: relative !important;
        z-index: 10003 !important;
        pointer-events: auto !important;
    }
    
    .header__link::after {
        display: none !important;
    }
    
    .header__link:hover {
        background: var(--gray-50) !important;
        color: var(--primary-blue) !important;
    }
    
    .menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 10000;
        pointer-events: none;
    }
    
    .menu-overlay.active {
        opacity: 1;
        visibility: visible;
        pointer-events: none;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .header__nav {
        width: 280px;
    }
    
    .nav {
        position: relative;
    }
    
    .nav__list {
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav.active .nav__list {
        max-height: 500px;
    }
    
    .nav__link {
        border-bottom: 1px solid var(--gray-light);
    }
    
    .col-4 {
        flex: 0 0 100%;
    }
    
    .hero h2 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .slider__item h2 {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 18px;
    }
    
    .hero {
        padding: 40px 15px;
    }
    
    .hero h2 {
        font-size: 24px;
    }
    
    .slider__item h2 {
        font-size: 22px;
    }
    
    .stat-card__number {
        font-size: 32px;
    }
}

/* Модальные окна авторизации */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    align-items: center;
    justify-content: center;
}

.role-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 30px;
}

.auth-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
    margin-bottom: 15px;
}

.btn--large {
    width: 100%;
    padding: 15px;
    font-size: 18px;
}

.error-message {
    color: #dc3545;
    font-size: 14px;
    margin-bottom: 10px;
    text-align: center;
    min-height: 20px;
}

#toggleAuth {
    margin-top: 10px;
    font-size: 14px;
}

.logout-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 14px;
}

.logout-btn:hover {
    background-color: var(--accent-color) !important;
    color: var(--bg-color) !important;
}


/* Новый дизайн в стиле современных онлайн-школ */

/* Шапка с навигацией */
.header__content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.header__nav {
    display: flex;
    gap: 16px;
    flex: 1;
    justify-content: center;
    flex-wrap: nowrap;
}

.header__link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    transition: color 0.3s;
    position: relative;
    white-space: nowrap;
}

.header__link:hover {
    color: var(--primary-blue);
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-blue);
    transition: width 0.3s;
}

.header__link:hover::after {
    width: 100%;
}

/* Hero секция */
.hero-section {
    padding: 80px 0 100px;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4F8 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 144, 226, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn--large {
    padding: 18px 36px;
    font-size: 17px;
}

.hero-image {
    text-align: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Pricing секция */
.pricing-section {
    padding: 80px 0;
    background: var(--white);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: 24px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

.pricing-card--popular {
    border-color: var(--primary-blue);
    border-width: 3px;
    transform: scale(1.05);
}

.pricing-card--popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    color: var(--white);
    padding: 8px 24px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
}

.pricing-card h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.pricing-desc {
    color: var(--gray-600);
    margin-bottom: 32px;
    font-size: 15px;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--gray-600);
    font-size: 15px;
    border-bottom: 1px solid var(--gray-100);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-price {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 32px;
}

.pricing-price span {
    font-size: 18px;
    font-weight: 500;
}

/* Process секция */
.process-section {
    padding: 80px 0;
    background: var(--gray-50);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    gap: 20px;
}

.process-step {
    flex: 1;
    text-align: center;
    background: var(--white);
    padding: 40px 24px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.process-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-mint));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 800;
    margin: 0 auto 24px;
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.3);
}

.process-step h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.process-step p {
    color: var(--gray-600);
    font-size: 15px;
    line-height: 1.6;
}

.process-arrow {
    font-size: 32px;
    color: var(--primary-mint);
    font-weight: 700;
}

/* Reviews обновлённые */
.review-card {
    background: var(--white);
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    height: 100%;
    border: 1px solid var(--gray-100);
    transition: all 0.3s ease;
}

.review-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.12);
    border-color: var(--primary-blue);
}

.review-avatar {
    font-size: 56px;
    margin-bottom: 16px;
    text-align: center;
}

.review-card__rating {
    color: var(--primary-warm);
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.review-card__text {
    font-style: italic;
    margin-bottom: 24px;
    line-height: 1.7;
    color: var(--gray-600);
    font-size: 15px;
}

.review-card__author {
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
    text-align: center;
}

.review-card__role {
    color: var(--gray-600);
    font-size: 14px;
    text-align: center;
}

/* FAQ секция */
.faq-section {
    padding: 80px 0;
    background: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq__item {
    background: var(--white);
    border: 2px solid var(--gray-100);
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq__item:hover {
    border-color: var(--primary-blue);
}

.faq__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    cursor: pointer;
    transition: background 0.3s;
}

.faq__question:hover {
    background: var(--gray-50);
}

.faq__question h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
}

.faq__icon {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    transition: transform 0.3s;
}

.faq__item.active .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 28px;
}

.faq__item.active .faq__answer {
    max-height: 300px;
    padding: 0 28px 24px;
}

.faq__answer p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 15px;
}

/* Адаптивность для нового дизайна */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card--popular {
        transform: scale(1);
    }
    
    .process-steps {
        flex-direction: column;
    }
    
    .process-arrow {
        transform: rotate(90deg);
    }
    
    .header__nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-illustration {
        font-size: 120px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .btn--large {
        padding: 16px 28px;
        font-size: 16px;
    }
}


/* Кнопка выхода в хедере */
.header .btn--primary {
    padding: 12px 24px;
    font-size: 14px;
}

#logoutBtn.btn--primary {
    background: transparent;
    color: var(--gray-600);
    border: 2px solid var(--gray-300);
    box-shadow: none;
}

#logoutBtn.btn--primary:hover {
    background: var(--gray-50);
    color: var(--gray-900);
    border-color: var(--gray-600);
    transform: none;
}
/* Стили для файл-менеджера */
#courseHomeworkContainer,
#teacherMaterialsContainer {
    margin-top: 30px;
}

.homework-card {
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    background: #ffffff;
    transition: all 0.3s ease;
}

.homework-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-color: var(--primary-blue);
}

.homework-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.homework-card__header h4 {
    margin: 0;
    color: #333;
    font-size: 16px;
}

.homework-status {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.homework-status.active {
    background: #fff3cd;
    color: #856404;
}

.homework-status.pending {
    background: #d1ecf1;
    color: #0c5460;
}

.homework-status.completed {
    background: #d4edda;
    color: #155724;
}

.homework-card__course {
    color: #666;
    margin: 10px 0;
    font-size: 14px;
}

.homework-card__deadline {
    color: #999;
    margin: 10px 0;
    font-size: 14px;
}

.homework-card__grade {
    color: #27ae60;
    margin: 10px 0;
    font-weight: 600;
    font-size: 14px;
}

.homework-card__feedback {
    color: #555;
    margin-top: 10px;
    padding: 10px;
    background: #f9f9f9;
    border-radius: 4px;
    font-size: 14px;
}

.homework-upload {
    margin: 20px 0;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 6px;
    border: 2px dashed #ddd;
    transition: all 0.3s ease;
}

.homework-upload:hover {
    border-color: var(--primary-blue);
    background: #f0f7ff;
}

.homework-upload label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
}

.file-name-display {
    margin-left: 10px;
    color: #666;
    font-size: 14px;
}

.file-name-display.success {
    color: #27ae60;
}

/* Стили для материалов от учителей */
#teacherMaterialsContainer h4 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.material-item {
    padding: 12px;
    background: #f9f9f9;
    border-radius: 6px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.material-item:hover {
    background: #f0f7ff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.material-item__name {
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.material-item__date {
    font-size: 12px;
    color: #999;
}

.material-item__actions {
    display: flex;
    gap: 10px;
}

/* Адаптивные стили */
@media (max-width: 768px) {
    .homework-card__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .homework-status {
        align-self: flex-start;
    }

    .material-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .material-item__actions {
        width: 100%;
        margin-top: 10px;
    }
}


/* ===== МОБИЛЬНАЯ АДАПТАЦИЯ (дополнительные фиксы) ===== */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
    .hero-title {
        font-size: 28px !important;
    }
    .hero-subtitle {
        font-size: 16px !important;
    }
    .section-title {
        font-size: 28px !important;
    }
    .consultation__wrapper {
        flex-direction: column;
        gap: 24px;
    }
    .consultation__content h2 {
        font-size: 24px;
    }
    .consultation__form {
        width: 100%;
    }
    .process-arrow {
        display: none;
    }
    .stat-card__number {
        font-size: 36px;
    }
    .col-4 {
        flex: 0 0 100%;
    }
    .row {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px !important;
    }
    .btn--large {
        padding: 14px 20px;
        font-size: 15px;
    }
    .consultation {
        padding: 32px 0;
        margin: 20px 0;
        border-radius: 16px;
    }
    .consultation__content h2 {
        font-size: 20px;
    }
    .stat-card {
        padding: 16px;
    }
    .stat-card__number {
        font-size: 28px;
    }
    .stat-card__label {
        font-size: 14px;
    }
}


/* Фикс наложения текста в карточках курсов */
.course-card {
    overflow: visible;
    height: auto !important;
    min-height: 0 !important;
}
.course-content {
    overflow: visible;
    height: auto;
}
.course-description {
    overflow-wrap: break-word;
    word-wrap: break-word;
}


/* Фикс наложения текста описания секции */
.about-content {
    position: relative;
    z-index: 1;
    margin-bottom: 24px;
    color: #6C757D;
    font-size: 16px;
    line-height: 1.7;
    text-align: center;
}


/* Подчёркивание активной страницы в меню */
.header__link.active {
    color: var(--primary-blue) !important;
}
.header__link.active::after {
    width: 100% !important;
}


/* Новости - текст по левому краю */
#newsGrid .course-content,
#newsGrid .course-content * {
    text-align: left !important;
}
#newsGrid .course-content .course-meta {
    justify-content: flex-start !important;
}


/* ===== ПОЛНАЯ МОБИЛЬНАЯ АДАПТАЦИЯ ===== */

/* Фиксированная ширина - запрет горизонтального скролла */
html, body {
    max-width: 100vw;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    /* Контейнер */
    .container {
        padding: 0 16px;
    }

    /* Табы/фильтры */
    .courses-filters,
    .filters-row {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .filters-row {
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding-bottom: 8px;
    }
    .tab-btn, .filter-select {
        white-space: nowrap;
        min-width: auto;
        font-size: 13px;
        padding: 10px 14px;
    }

    /* Сетка курсов */
    .courses-grid {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }

    /* Карточки */
    .course-card {
        border-radius: 16px;
    }

    /* Модалки */
    .modal__content {
        width: 95% !important;
        max-width: 95% !important;
        max-height: 90vh;
        overflow-y: auto;
        padding: 20px;
        border-radius: 16px;
    }
    .modal__content--large {
        width: 95% !important;
        max-width: 95% !important;
    }

    /* Таблицы */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .data-table {
        min-width: 600px;
    }

    /* Hero */
    .hero-content {
        grid-template-columns: 1fr !important;
        text-align: center;
        gap: 30px;
    }
    .hero-image {
        display: none;
    }

    /* Статистика */
    .stats .row {
        gap: 12px;
    }
    .stat-card {
        padding: 16px 12px;
    }

    /* Направления */
    .directions .row {
        gap: 12px;
    }
    .direction-card {
        padding: 20px 16px;
    }

    /* Консультация */
    .consultation {
        border-radius: 16px;
        padding: 32px 0;
        margin: 20px 8px;
    }
    .consultation__content h2 {
        font-size: 22px !important;
    }

    /* Новости */
    .news-card {
        padding: 16px;
    }

    /* Отзывы */
    .review-card {
        padding: 20px;
    }

    /* Документы фильтры */
    #docFilters {
        overflow-x: auto;
        flex-wrap: nowrap !important;
        justify-content: flex-start !important;
        padding-bottom: 8px;
    }
    .doc-filter {
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* Процесс обучения */
    .process-steps {
        gap: 16px;
    }
    .process-step {
        padding: 24px 16px;
    }

    /* Футер */
    .footer {
        padding: 24px 0;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 12px 20px !important;
        justify-content: start !important;
    }

    /* FAQ */
    .faq__question h3 {
        font-size: 15px;
    }
    .faq__question {
        padding: 16px 20px;
    }

    /* Кабинет */
    .cabinet {
        grid-template-columns: 1fr !important;
    }
    .cabinet-sidebar {
        position: relative !important;
        top: 0 !important;
    }

    /* Админ панель */
    .admin-panel {
        grid-template-columns: 1fr !important;
    }
    .admin-sidebar {
        position: relative !important;
        top: 0 !important;
    }
    .dashboard-stats {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    .hero-title {
        font-size: 24px !important;
    }
    .section-title {
        font-size: 24px !important;
    }
    .btn--large {
        padding: 14px 20px;
        font-size: 15px;
    }
    .stat-card__number {
        font-size: 28px;
    }
    .stat-card__label {
        font-size: 13px;
    }
    .consultation__content h2 {
        font-size: 20px !important;
    }
    .direction-card h3 {
        font-size: 16px;
    }
    .direction-card p {
        font-size: 13px;
    }
    .footer-grid {
        grid-template-columns: 1fr !important;
    }
    .dashboard-stats {
        grid-template-columns: 1fr !important;
    }
    .courses-filters {
        padding: 16px;
    }
    .modal__content {
        padding: 16px;
    }
    /* CTA блок */
    .cta-block {
        padding: 24px 16px !important;
    }
    .cta-block__title {
        font-size: 24px !important;
    }
}