/* ============================================
   Responsive Styles - Mobile First Approach
   ============================================ */

/* ===== Tablet (768px - 1024px) ===== */
@media (max-width: 1024px) {
    :root {
        --container-padding: var(--spacing-3);
    }

    /* Topbar - уменьшить размеры */
    .topbar__link {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .topbar__link svg {
        width: 14px;
        height: 14px;
    }

    .topbar__social {
        width: 36px;
        height: 36px;
    }

    .topbar__social svg {
        width: 20px;
        height: 20px;
    }

    /* Header */
    .header__bottom {
        display: none;
    }

    .header__mobile-toggle {
        display: flex;
    }

    .header__catalog-btn {
        display: none;
    }

    /* Banner */
    .banner__slider {
        height: var(--banner-height-tablet);
    }

    .slide__content h2 {
        font-size: var(--font-size-3xl);
    }

    .slide__content p {
        font-size: var(--font-size-lg);
    }

    /* Categories */
    .categories__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-2);
    }

    .category-card {
        padding: var(--spacing-2-5) var(--spacing-2);
    }

    .category-card__icon {
        width: 44px;
        height: 44px;
    }

    .category-card__icon svg {
        width: 26px;
        height: 26px;
    }

    /* Courses */
    .courses__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Carousel arrows on tablet */
    .courses__carousel {
        padding: 0;
    }

    .carousel__arrow {
        width: 44px;
        height: 44px;
    }

    .carousel__arrow--prev {
        left: 8px;
    }

    .carousel__arrow--next {
        right: 8px;
    }

    .carousel__arrow svg {
        width: 18px;
        height: 18px;
    }

    /* Sections */
    section {
        padding: var(--spacing-6) 0;
    }
}

/* ===== Mobile (<768px) ===== */
@media (max-width: 768px) {
    :root {
        --header-height: var(--header-height-mobile);
        --container-padding: var(--spacing-2);
        --category-icon-size: 60px;
    }

    /* Topbar - скрыть текст у ссылок, оставить только иконки */
    .topbar__content {
        padding: 6px 0;
        min-height: 32px;
    }

    .topbar__link span {
        display: none;
    }

    .topbar__link {
        padding: 4px 6px;
        gap: 0;
    }

    .topbar__link svg {
        width: 16px;
        height: 16px;
    }

    .topbar__divider {
        margin: 0 2px;
    }

    .topbar__left {
        gap: var(--spacing-1);
    }

    .topbar__right {
        gap: var(--spacing-1);
    }

    .topbar__social {
        width: 32px;
        height: 32px;
    }

    .topbar__social svg {
        width: 18px;
        height: 18px;
    }

    /* Header */
    .header__top {
        height: var(--header-height-mobile);
        flex-wrap: wrap;
        gap: var(--spacing-1);
    }

    .header__logo {
        order: 1;
    }

    .header__logo svg {
        height: 32px;
    }

    .header__mobile-auth {
        display: flex;
        order: 2;
        margin-left: auto;
    }

    .header__mobile-toggle {
        order: 3;
        margin-left: 0;
    }

    .header__search {
        display: none;
    }

    .search__input {
        padding: 10px 14px;
        font-size: 0.875rem;
    }

    .search__btn {
        padding: 10px 14px;
    }

    .search__btn svg {
        width: 18px;
        height: 18px;
    }

    .header__catalog-btn,
    .header__actions,
    .header__bottom {
        display: none;
    }

    /* Show cart and favorites in mobile nav or as floating buttons */
    .header__favorites,
    .header__cart {
        position: fixed;
        bottom: 20px;
        background-color: var(--color-primary);
        color: white;
        width: 56px;
        height: 56px;
        border-radius: var(--radius-full);
        box-shadow: var(--shadow-xl);
        z-index: var(--z-index-fixed);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .header__favorites {
        right: 90px;
    }

    .header__cart {
        right: 20px;
    }

    .header__favorites svg,
    .header__cart svg {
        color: white;
    }

    .favorites__badge,
    .cart__badge {
        top: -5px;
        right: -5px;
    }

    /* Banner */
    .banner__slider {
        height: var(--banner-height-mobile);
        padding: 8px;
    }

    .slide__content {
        padding: var(--spacing-3) var(--spacing-4);
        max-width: 90%;
    }

    .slide__content h2 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-2);
        text-shadow:
            0 2px 6px rgba(0, 0, 0, 0.6),
            0 4px 12px rgba(0, 0, 0, 0.5);
    }

    .slide__content p {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-3);
        text-shadow:
            0 2px 4px rgba(0, 0, 0, 0.6),
            0 4px 8px rgba(0, 0, 0, 0.5);
    }

    .slide__content .btn {
        font-size: 1rem;
        padding: 12px 32px;
    }

    .slider__arrow {
        width: 44px;
        height: 44px;
    }

    .slider__arrow svg {
        width: 20px;
        height: 20px;
    }

    .slider__arrow--prev {
        left: var(--spacing-2);
    }

    .slider__arrow--next {
        right: var(--spacing-2);
    }

    .slider__dots {
        bottom: var(--spacing-3);
        padding: 8px 12px;
        gap: var(--spacing-1-5);
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .dot.active {
        width: 28px;
    }

    /* Sections */
    section {
        padding: var(--spacing-5) 0;
    }

    .section__title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-1);
    }

    .section__subtitle {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-4);
    }

    /* Categories */
    .categories__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2);
    }

    .category-card {
        padding: var(--spacing-3);
    }

    .category-card__title {
        font-size: var(--font-size-base);
    }

    /* Courses */
    .courses__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }

    .course-card__footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }

    .course-card__footer .btn--add-to-cart {
        width: 100%;
    }

    /* Carousel on mobile - hide arrows, rely on swipe */
    .carousel__arrow {
        display: none;
    }

    .courses__carousel {
        padding: 0;
    }

    /* Mobile Nav */
    .mobile-nav {
        top: var(--header-height-mobile);
    }
}

/* ===== Small Mobile (<480px) ===== */
@media (max-width: 480px) {
   

    .topbar__social {
        width: 28px;
        height: 28px;
    }

    .topbar__social svg {
        width: 16px;
        height: 16px;
    }

    /* Categories */
    .categories__grid {
        grid-template-columns: 1fr;
    }

    .category-card {
        padding: var(--spacing-2) var(--spacing-2);
    }

    .category-card__icon {
        width: 44px;
        height: 44px;
    }

    .category-card__icon svg {
        width: 24px;
        height: 24px;
    }

    .category-card__title {
        font-size: 0.8125rem;
        margin-bottom: 4px;
    }

    .category-card__count {
        font-size: 0.625rem;
        padding: 2px 6px;
        margin-top: 4px;
    }

    /* Banner */
    .banner__slider {
        height: 280px;
        padding: 6px;
    }

    .slide__content {
        padding: var(--spacing-2) var(--spacing-3);
    }

    .slide__content h2 {
        font-size: var(--font-size-xl);
        text-shadow:
            0 2px 6px rgba(0, 0, 0, 0.7),
            0 4px 12px rgba(0, 0, 0, 0.6);
    }

    .slide__content p {
        font-size: var(--font-size-sm);
        text-shadow:
            0 2px 4px rgba(0, 0, 0, 0.7),
            0 4px 8px rgba(0, 0, 0, 0.6);
    }

    .slide__content .btn {
        font-size: var(--font-size-sm);
        padding: 11px 28px;
    }

    .slider__arrow {
        width: 40px;
        height: 40px;
    }

    .slider__arrow svg {
        width: 18px;
        height: 18px;
    }

    .slider__dots {
        padding: 6px 10px;
        gap: var(--spacing-1);
    }

    .dot {
        width: 6px;
        height: 6px;
    }

    .dot.active {
        width: 24px;
    }

    /* Course Cards */
    .course-card__content {
        padding: var(--spacing-2);
    }

    .course-card__title {
        font-size: var(--font-size-base);
    }

    .course-card__description {
        font-size: var(--font-size-xs);
    }

    /* Buttons */
    .btn {
        padding: 10px 20px;
        font-size: var(--font-size-sm);
    }
}

/* ===== Large Screens (>1440px) ===== */
@media (min-width: 1440px) {
    .slide__content h2 {
        font-size: 2rem;
    }

    .section__title {
        font-size: var(--font-size-4xl);
    }
}

/* ===== Print Styles ===== */
@media print {
    .header,
    .banner,
    .mobile-nav,
    .footer {
        display: none;
    }

    .course-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    body {
        background-color: white;
    }
}

/* ===== Accessibility - Reduce Motion ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .slider__slide {
        transition: none;
    }
}

/* ===== Dark Mode Support (Future Enhancement) ===== */
@media (prefers-color-scheme: dark) {
    /* Future dark mode implementation */
}