@import url('variables.css');

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-main); color: var(--color-text-main); background-color: var(--color-bg-body); line-height: 1.6; display: flex; flex-direction: column; min-height: 100vh; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-hover); }

.bk-container { max-width: var(--container-width); margin: 0 auto; padding: 0 var(--container-padding); }
.site-content { flex: 1; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 20px; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; border: none; transition: all var(--transition-fast); text-decoration: none; text-align: center; }
.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; }
.btn--accent { background: var(--color-accent); color: #fff; }
.btn--accent:hover { background: var(--color-accent-hover); color: #fff; }
.btn--outline { background: transparent; border: 1px solid var(--color-primary); color: var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; }
.btn--large { padding: 14px 28px; font-size: 1.1rem; }
.btn--massive { padding: 16px 32px; font-size: 1.2rem; border-radius: var(--radius-md); width: 100%; } /* Кнопка на всю ширину блока */

.site-header { background: var(--color-bg-surface); border-bottom: 1px solid var(--color-border); position: relative; z-index: 100; transition: box-shadow var(--transition-fast); }
.site-header.is-sticky { position: fixed; top: 0; left: 0; right: 0; box-shadow: var(--shadow-sm); }
.site-header__container { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.site-header__logo-text { font-size: 1.5rem; font-weight: 800; color: var(--color-dark); letter-spacing: -0.5px; }
.site-header__menu-list { display: flex; gap: 24px; list-style: none; margin: 0; padding: 0; font-weight: 500; }

.hero-section { background: var(--color-dark) url('../img/hero-bg.jpg') center/cover no-repeat; color: #fff; padding: 80px 0; text-align: center; position: relative; }
.hero-section__overlay { position: absolute; inset: 0; background: rgba(15, 23, 42, 0.85); }
.hero-section__content { position: relative; z-index: 2; max-width: 800px; margin: 0 auto; }
.hero-section__title { font-size: 2.5rem; margin-bottom: 16px; line-height: 1.2; }
.hero-search { position: relative; max-width: 600px; margin: 30px auto; }
.hero-search__wrapper { display: flex; background: #fff; border-radius: var(--radius-md); padding: 4px; }
.hero-search__input { flex: 1; border: none; padding: 12px 20px; font-size: 1.1rem; outline: none; border-radius: var(--radius-md); color: var(--color-text-main); }
.hero-search__autocomplete { position: absolute; top: 110%; left: 0; right: 0; background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-md); text-align: left; overflow: hidden; }
.hero-search__list { list-style: none; margin: 0; padding: 0; }
.hero-search__link { display: block; padding: 12px 20px; color: var(--color-text-main); border-bottom: 1px solid var(--color-border); }
.hero-search__link:hover { background: var(--color-bg-body); color: var(--color-primary); }

.catalog-section { padding: 40px var(--container-padding); }
.filter-bar { background: var(--color-bg-surface); padding: 16px 24px; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin-bottom: 30px; }
.filter-bar__controls { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.filter-bar__group { display: flex; gap: 12px; flex-wrap: wrap; }
.filter-bar__select { padding: 10px 36px 10px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); outline: none; background: #fff; font-family: inherit; font-size: 1rem; color: var(--color-text-main); cursor: pointer; }
.filter-bar__toggles { display: flex; background: var(--color-bg-body); border-radius: var(--radius-sm); overflow: hidden; padding: 4px; }
.filter-bar__toggle-label input { display: none; }
.filter-bar__toggle-btn { padding: 8px 16px; cursor: pointer; border-radius: var(--radius-sm); font-weight: 500; display: block; transition: all 0.2s; color: var(--color-text-muted); }
.filter-bar__toggle-label input:checked + .filter-bar__toggle-btn { background: #fff; box-shadow: var(--shadow-sm); color: var(--color-primary); }

.courses-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: var(--grid-gap); transition: opacity var(--transition-fast); }

/* --- UI КАРТОЧКИ КУРСА В КАТАЛОГЕ --- */
.course-card { background: var(--color-bg-surface); border-radius: var(--radius-md); border: 1px solid var(--color-border); display: flex; flex-direction: column; overflow: hidden; transition: all var(--transition-fast); }
.course-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.course-card__cover { position: relative; height: 180px; background: #f1f5f9; border-bottom: 1px solid var(--color-border); }
.course-card__image { width: 100%; height: 100%; object-fit: cover; }
.course-card__placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #e2e8f0 0%, #f8fafc 100%); font-size: 4rem; opacity: 0.2; }
.course-card__badges { position: absolute; top: 12px; left: 12px; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.badge { padding: 6px 10px; border-radius: var(--radius-sm); font-size: 0.75rem; font-weight: 700; color: #fff; }
.badge--discount { background: var(--color-accent); }

.course-card__body { padding: 24px 24px 16px; flex: 1; display: flex; flex-direction: column; }
.course-card__vendor { font-size: 0.75rem; color: var(--color-text-muted); font-weight: 700; letter-spacing: 0.5px; margin-bottom: 12px; text-transform: uppercase; }
.course-card__title { margin: 0 0 16px 0; font-size: 1.25rem; line-height: 1.3; }
.course-card__title a { color: var(--color-dark); }
.course-card__title a:hover { color: var(--color-primary); }
.course-card__features { display: flex; flex-direction: column; margin-top: auto; }
.course-card__feature-text { font-size: 0.85rem; color: var(--color-text-muted); padding: 8px 0; border-bottom: 1px solid var(--color-border); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.course-card__feature-text:last-child { border-bottom: none; padding-bottom: 0; }

.course-card__footer { padding: 20px 24px; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.course-card__price-block { display: flex; flex-direction: column; justify-content: center; }
.course-card__price { font-weight: 800; font-size: 1.4rem; color: var(--color-dark); line-height: 1; }
.course-card__oldprice { font-size: 0.85rem; color: var(--color-text-muted); text-decoration: line-through; text-decoration-color: var(--color-accent); margin-top: 4px; font-weight: 600; }
.course-card__btn { font-size: 0.9rem; padding: 10px 14px; width: 100%; max-width: 140px; }


/* --- SINGLE PAGE (Страница курса) --- */
.single-course { padding: 40px 0; background: #fff; }

/* Двухколоночная шапка курса */
.vendor-block { margin-bottom: 40px; }
.vendor-block__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; background: var(--color-bg-surface); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-border); }

/* Левая колонка: Изображение */
.vendor-block__media { border-radius: var(--radius-md); overflow: hidden; height: 100%; min-height: 300px; background: #f1f5f9; display: flex; align-items: center; justify-content: center; border: 1px solid var(--color-border); }
.vendor-block__image { width: 100%; height: 100%; object-fit: cover; display: block; }
.vendor-block__placeholder { font-size: 6rem; opacity: 0.15; }

/* Правая колонка: Контент и покупка */
.vendor-block__content { display: flex; flex-direction: column; align-items: flex-start; text-align: left; }
.vendor-block__breadcrumbs { margin-bottom: 20px; font-size: 0.9rem; color: var(--color-text-muted); }
.vendor-block__breadcrumbs a { color: var(--color-primary); }
.vendor-block__header { margin-bottom: 12px; font-size: 0.9rem; color: var(--color-text-muted); }
.vendor-block__label { margin-right: 8px; }
.vendor-block__name { font-weight: 700; color: var(--color-primary); text-transform: uppercase; }
.vendor-block__title { font-size: 2.2rem; margin: 0 0 20px 0; line-height: 1.2; color: var(--color-dark); }
.vendor-block__rating { display: flex; align-items: center; gap: 8px; margin-bottom: 30px; font-size: 1.1rem; }
.vendor-block__stars { color: #f59e0b; letter-spacing: 2px; }
.vendor-block__rating-val { font-weight: bold; }
.vendor-block__reviews { color: var(--color-text-muted); }

/* Выделенный блок цены и кнопки */
.vendor-block__buy-box { background: var(--color-bg-body); padding: 30px; border-radius: var(--radius-md); width: 100%; border: 1px solid var(--color-border); }
.vendor-block__price-wrapper { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }
.vendor-block__price { font-weight: 800; font-size: 2rem; color: var(--color-dark); }
.vendor-block__price--free { color: var(--color-success); }
.vendor-block__oldprice { font-size: 1.2rem; color: var(--color-text-muted); text-decoration: line-through; text-decoration-color: var(--color-accent); font-weight: 600; }

/* --- ИДЕАЛЬНАЯ ТИПОГРАФИКА ДЛЯ КОНТЕНТА ОТ ИИ --- */
.single-course__grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-bottom: 40px; }
.entry-content { color: var(--color-text-main); font-size: 1.15rem; line-height: 1.8; }

/* Заголовки - яркие и читабельные */
.entry-content h2, .entry-content h3, .entry-content h4 { color: var(--color-dark); font-weight: 800; line-height: 1.3; margin-top: 1.5em; margin-bottom: 0.5em; }
.entry-content h2 { font-size: 1.8rem; border-bottom: 2px solid #f1f5f9; padding-bottom: 12px; }
.entry-content h3 { font-size: 1.4rem; }
.entry-content h4 { font-size: 1.2rem; }
.entry-content strong, .entry-content b { color: var(--color-dark); font-weight: 800; }

.entry-content p { margin-bottom: 24px; }
.entry-content ul { margin: 0 0 24px 0; padding: 0; list-style: none; }
.entry-content ul li { position: relative; padding-left: 28px; margin-bottom: 12px; line-height: 1.6; }
.entry-content ul li::before { content: '✓'; color: var(--color-primary); font-size: 1.2rem; font-weight: bold; position: absolute; left: 0; top: 0; }

.course-features { margin: 40px 0; background: var(--color-bg-body); padding: 30px; border-radius: var(--radius-md); }
.course-features__title { margin-top: 0; }
.salid-features { list-style: none; padding: 0; margin: 0; }
.salid-features__item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px; font-size: 1.1rem; }

/* FAQ Аккордеон */
.faq-accordion details { background: var(--color-bg-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); margin-bottom: 12px; }
.faq-accordion summary { padding: 20px; font-weight: 600; font-size: 1.1rem; cursor: pointer; outline: none; list-style: none; position: relative; }
.faq-accordion summary::-webkit-details-marker { display: none; }
.faq-accordion summary::after { content: '+'; position: absolute; right: 20px; font-size: 1.4rem; color: var(--color-primary); }
.faq-accordion details[open] summary::after { content: '-'; }
.faq-accordion__content { padding: 0 20px 20px; border-top: 1px solid transparent; color: var(--color-text-muted); }

.dark-cta { background: var(--color-dark); color: #fff; border-radius: var(--radius-lg); padding: 60px 40px; text-align: center; margin: 60px 0; }
.dark-cta__title { font-size: 2.2rem; margin: 0 0 16px 0; }
.dark-cta__text { font-size: 1.1rem; color: #cbd5e1; margin-bottom: 30px; }
.dark-cta__promo-box { background: rgba(255,255,255,0.1); display: inline-block; padding: 20px 30px; border-radius: var(--radius-md); margin-bottom: 30px; border: 1px dashed rgba(255,255,255,0.2); }
.dark-cta__promo-label { display: block; font-size: 0.9rem; color: #cbd5e1; margin-bottom: 8px; text-transform: uppercase; }
.dark-cta__promo-code { display: flex; align-items: center; justify-content: center; gap: 12px; }
.dark-cta__promo-code code { font-size: 1.8rem; font-weight: bold; color: var(--color-accent); letter-spacing: 2px; }
.btn-copy { background: transparent; border: none; font-size: 1.5rem; cursor: pointer; color: #fff; }

.site-footer { background: var(--color-bg-surface); border-top: 1px solid var(--color-border); padding: 60px 0 20px; margin-top: auto; }
.site-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.site-footer__logo { font-size: 1.5rem; font-weight: 800; color: var(--color-dark); display: block; margin-bottom: 16px; }
.site-footer__title { font-size: 1.1rem; margin-bottom: 20px; color: var(--color-dark); }
.site-footer__menu-list, .site-footer__contact-list { list-style: none; padding: 0; margin: 0; line-height: 2.2; }
.site-footer__trust-factor { color: var(--color-success); font-weight: 600; margin-top: 12px; display: inline-block; background: rgba(16, 185, 129, 0.1); padding: 4px 12px; border-radius: 20px; }
.site-footer__divider { border: none; border-top: 1px solid var(--color-border); margin-bottom: 20px; }
.site-footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 0.85rem; color: var(--color-text-muted); }
.site-footer__disclaimer { max-width: 600px; text-align: right; background: var(--color-bg-body); padding: 12px 16px; border-radius: var(--radius-sm); border-left: 3px solid var(--color-border); }

/* Адаптивность */
@media (max-width: 992px) {
    .vendor-block__inner { grid-template-columns: 1fr; }
    .vendor-block__media { min-height: 250px; order: -1; } /* Изображение сверху на мобилках */
    .single-course__grid { grid-template-columns: 1fr; }
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .hero-section { padding: 50px 0; }
    .hero-section__title { font-size: 2rem; }
    .site-header__menu-list { display: none; }
    .filter-bar__controls { flex-direction: column; align-items: stretch; }
    .site-footer__grid { grid-template-columns: 1fr; text-align: center; }
    .site-footer__bottom { flex-direction: column; text-align: center; }
    .site-footer__disclaimer { text-align: center; border-left: none; border-top: 3px solid var(--color-border); }
    .vendor-block__title { font-size: 1.8rem; }
}