/* VEDA.KG — Mobile-first stylesheet */

:root {
    --color-primary: #488132;
    --color-primary-dark: #3a6628;
    --color-primary-light: #5da042;
    --color-primary-soft: rgba(72, 129, 50, 0.12);
    --color-primary-glow: rgba(72, 129, 50, 0.28);
    --color-bg: #f3f7f1;
    --color-bg-pattern: radial-gradient(circle at 12% 8%, rgba(72, 129, 50, 0.07), transparent 42%),
        radial-gradient(circle at 88% 2%, rgba(93, 160, 66, 0.05), transparent 38%);
    --color-bg-dark: #1a2e14;
    --color-bg-dark-2: #243b1c;
    --color-surface: #ffffff;
    --color-accent: #6aad52;
    --color-accent-warm: #c9a227;
    --color-text: #1a2616;
    --color-text-muted: #5a6f52;
    --color-border: #d8e6d2;
    --color-success: #488132;
    --color-error: #b42318;
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --radius: 14px;
    --radius-lg: 22px;
    --radius-sm: 10px;
    --shadow: 0 4px 24px rgba(26, 46, 22, 0.07);
    --shadow-lg: 0 16px 48px rgba(26, 46, 22, 0.11);
    --shadow-green: 0 8px 28px var(--color-primary-glow);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 64px;
    --container-pad: 1rem;
    --touch-min: 44px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    background-image: var(--color-bg-pattern);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    width: 100%;
    animation: pageIn 0.4s ease;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

body.menu-open { overflow: hidden; }

img, video, iframe { max-width: 100%; height: auto; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: max(var(--container-pad), env(safe-area-inset-left));
    padding-right: max(var(--container-pad), env(safe-area-inset-right));
}

a {
    color: var(--color-primary-dark);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover { color: var(--color-primary); }

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ─── Header (mobile drawer) ─── */
.site-header {
    background: #fff;
    border-bottom: 1px solid rgba(72, 129, 50, 0.1);
    position: sticky;
    top: 0;
    z-index: 300;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9);
}

.site-header.nav-open {
    background: #fff;
    box-shadow: none;
}

.header-inner,
.site-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    min-height: var(--header-h);
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    z-index: 210;
    flex-shrink: 0;
    transition: opacity var(--transition);
}

.logo:hover { opacity: 0.88; color: var(--color-text); }

.logo-icon {
    font-size: 1.45rem;
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary-soft), rgba(72, 129, 50, 0.06));
    border: 1px solid rgba(72, 129, 50, 0.18);
}

.logo-dot { color: var(--color-primary); }

.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--touch-min);
    height: var(--touch-min);
    background: none;
    border: none;
    cursor: pointer;
    z-index: 210;
    border-radius: var(--radius);
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.menu-icon {
    position: relative;
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    left: 0;
}

.menu-icon::before { top: -7px; }
.menu-icon::after { top: 7px; }

.header-inner.nav-open .menu-icon,
.site-header-row.nav-open .menu-icon { background: transparent; }
.header-inner.nav-open .menu-icon::before,
.site-header-row.nav-open .menu-icon::before { transform: translateY(7px) rotate(45deg); }
.header-inner.nav-open .menu-icon::after,
.site-header-row.nav-open .menu-icon::after { transform: translateY(-7px) rotate(-45deg); }

.header-panel {
    display: none;
    flex-direction: column;
    gap: 1.25rem;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    background: #fff;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 280;
    border-top: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    padding: 1.25rem max(var(--container-pad), env(safe-area-inset-right)) calc(1.5rem + env(safe-area-inset-bottom)) max(var(--container-pad), env(safe-area-inset-left));
}

.site-header.nav-open .header-panel,
.site-header-row.nav-open .header-panel { display: flex; }

.header-backdrop {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 46, 22, 0.45);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 270;
}

body.menu-open main {
    overflow: hidden;
    touch-action: none;
}

.main-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.main-nav a {
    display: flex;
    align-items: center;
    min-height: var(--touch-min);
    padding: 0 1rem;
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.05rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.main-nav a.active,
.main-nav a:hover {
    color: var(--color-primary-dark);
    background: var(--color-primary-soft);
    border-color: rgba(72, 129, 50, 0.15);
}

.main-nav a.active::after { display: none; }

.header-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
}

.header-actions .inline-form { width: 100%; }
.header-actions .inline-form button { width: 100%; min-height: var(--touch-min); }

.lang-switch {
    display: inline-flex;
    align-self: flex-start;
    background: var(--color-surface);
    border-radius: 999px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    padding: 3px;
    gap: 2px;
}

.lang-switch a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: var(--touch-min);
    min-height: 36px;
    padding: 0 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-text-muted);
    border-radius: 999px;
    transition: background var(--transition), color var(--transition);
}

.lang-switch a.active {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    box-shadow: 0 2px 10px var(--color-primary-glow);
}

.cart-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    align-self: flex-start;
    min-height: var(--touch-min);
    padding: 0 0.75rem;
    font-size: 1.1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
}

.cart-count {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: var(--touch-min);
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.9rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px var(--color-primary-glow);
    color: white;
    background: linear-gradient(135deg, #6aad52, var(--color-primary-dark));
}

.btn-ghost { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft); }
.btn-sm { min-height: 38px; padding: 0.45rem 0.9rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }

.btn-link {
    background: none;
    border: none;
    color: var(--color-primary-dark);
    cursor: pointer;
    font-weight: 600;
    font-family: inherit;
    padding: 0;
}

.btn-link.danger { color: var(--color-error); }

.inline-form { display: inline; }

/* ─── Hero ─── */
.hero {
    position: relative;
    padding: 3rem 0 2.5rem;
    overflow: hidden;
    background: linear-gradient(145deg, var(--color-bg-dark) 0%, var(--color-bg-dark-2) 45%, #2f4f24 100%);
    color: white;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 40%, rgba(72, 129, 50, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 15%, rgba(106, 173, 82, 0.2) 0%, transparent 45%),
        radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content { position: relative; text-align: center; }

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 1.15rem;
    backdrop-filter: blur(8px);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(1.85rem, 7vw, 3.5rem);
    font-weight: 700;
    line-height: 1.12;
    margin-bottom: 0.85rem;
    background: linear-gradient(135deg, #ffffff 0%, #b8e0a0 55%, #7cb356 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: clamp(0.95rem, 3.5vw, 1.12rem);
    opacity: 0.9;
    max-width: 38rem;
    margin: 0 auto;
    padding: 0 0.5rem;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
    justify-content: center;
    margin-top: 1.75rem;
    padding: 0 0.5rem;
    max-width: 20rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions .btn {
    width: 100%;
    justify-content: center;
}

.hero-btn-ghost {
    border-color: rgba(255, 255, 255, 0.35);
    color: white;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(6px);
}

.hero-btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
    background: rgba(255, 255, 255, 0.12);
}

/* ─── Filters ─── */
.filters-section { padding: 1.5rem 0 0.85rem; }

.filters-form {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    background: var(--color-surface);
    padding: 1rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow);
}

.search-box {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    background: var(--color-bg);
    padding: 0.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.search-box input {
    width: 100%;
    border: none;
    padding: 0.75rem 0.85rem;
    font-size: 1rem;
    background: transparent;
    outline: none;
    font-family: inherit;
    min-height: var(--touch-min);
}

.search-box:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.search-box .btn { width: 100%; }

.filters-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.filters-row select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-family: inherit;
    font-size: 0.95rem;
    cursor: pointer;
    min-height: var(--touch-min);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.filters-row select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.results-count { margin-top: 0.75rem; color: var(--color-text-muted); font-size: 0.88rem; }

/* ─── Grids (1 col mobile) ─── */
.articles-section { padding: 0.75rem 0 2.5rem; }

.articles-grid,
.products-grid,
.courses-grid,
.plans-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.article-card,
.product-card,
.course-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    position: relative;
}

.article-card::before,
.product-card::before,
.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 1;
}

.article-card:hover,
.product-card:hover,
.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(72, 129, 50, 0.25);
}

.article-card:hover::before,
.product-card:hover::before,
.course-card:hover::before { opacity: 1; }

.card-link { color: inherit; display: block; }
.card-link:hover { color: inherit; }

.card-image {
    height: 168px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-soft), rgba(72, 129, 50, 0.04));
}

.card-image img { width: 100%; height: 100%; object-fit: cover; }
.card-placeholder { font-size: 2.5rem; opacity: 0.5; }

.badge {
    position: absolute;
    padding: 0.25rem 0.55rem;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-premium { top: 10px; left: 10px; background: linear-gradient(135deg, var(--color-accent-warm), #a8841a); color: white; }
.badge-locale { top: 10px; right: 10px; background: rgba(0,0,0,0.65); color: white; }

.card-body { padding: 1rem 1.1rem 1.15rem; }

.card-category {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-body h2 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin: 0.4rem 0;
    line-height: 1.3;
    transition: color var(--transition);
}

.article-card:hover .card-body h2,
.product-card:hover .card-body h3 { color: var(--color-primary-dark); }

.card-body p {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

/* ─── Article page ─── */
.article-hero {
    background: linear-gradient(145deg, var(--color-bg-dark), var(--color-bg-dark-2));
    color: white;
    padding: 2.25rem 0;
    position: relative;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(72, 129, 50, 0.25), transparent 60%);
    pointer-events: none;
}

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

.article-category { color: #b8e0a0; font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.article-hero h1 { font-family: var(--font-display); font-size: clamp(1.5rem, 6vw, 2.5rem); margin: 0.6rem 0; line-height: 1.2; }
.article-meta { display: flex; gap: 0.75rem 1.25rem; flex-wrap: wrap; font-size: 0.88rem; opacity: 0.88; align-items: center; }

.article-content {
    padding: 1.75rem 0 2.5rem;
    max-width: 46rem;
    font-size: 1rem;
    line-height: 1.75;
    overflow-wrap: break-word;
}

.article-content p { margin-bottom: 1rem; }
.article-content img { border-radius: var(--radius); margin: 1rem 0; }
.article-content h2, .article-content h3 { font-family: var(--font-display); margin: 1.5rem 0 0.75rem; line-height: 1.25; }
.article-content ul, .article-content ol { margin: 0 0 1rem 1.25rem; }
.article-content blockquote {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-left: 4px solid var(--color-primary);
    background: var(--color-surface);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.article-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; display: block; overflow-x: auto; }
.article-content th, .article-content td { border: 1px solid var(--color-border); padding: 0.5rem 0.75rem; }

.related-section { padding: 1.5rem 0 2.5rem; background: var(--color-surface); border-top: 1px solid var(--color-border); }
.related-section h3 { font-family: var(--font-display); margin-bottom: 1rem; font-size: 1.35rem; }
.articles-grid-sm { grid-template-columns: 1fr; }
.related-card { background: var(--color-bg); padding: 1rem; border-radius: var(--radius); border: 1px solid var(--color-border); display: block; }
.related-card h4 { font-family: var(--font-display); margin-bottom: 0.35rem; font-size: 1.05rem; }

/* ─── Page header ─── */
.page-header {
    background: linear-gradient(145deg, var(--color-bg-dark), var(--color-bg-dark-2));
    color: white;
    padding: 2.25rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(72, 129, 50, 0.22), transparent 55%);
    pointer-events: none;
}

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

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1.2;
}

.page-header p {
    opacity: 0.85;
    max-width: 36rem;
    margin: 0.65rem auto 0;
    font-size: 0.95rem;
}

.back-link { color: rgba(255,255,255,0.75); font-size: 0.88rem; display: inline-block; margin-bottom: 0.65rem; }
.back-link:hover { color: white; }

/* ─── Shop / courses ─── */
.shop-section, .cart-section, .courses-section, .checkout-section, .subscription-section, .profile-section, .payment-section { padding: 1.75rem 0 2.5rem; }

.shop-filters {
    display: flex;
    gap: 0.45rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.35rem;
    margin-bottom: 1.25rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.shop-filters::-webkit-scrollbar { display: none; }

.filter-chip {
    flex-shrink: 0;
    padding: 0.5rem 0.9rem;
    border-radius: 50px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-muted);
    white-space: nowrap;
}

.filter-chip.active, .filter-chip:hover { background: var(--color-primary); color: white; border-color: var(--color-primary); }

.product-image {
    height: 170px;
    background: linear-gradient(135deg, var(--color-primary-soft), #e8f2e4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.product-image img { width: 100%; height: 100%; object-fit: cover; }

.product-body { padding: 1rem 1.1rem 1.15rem; }
.product-body h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: 0.35rem; }
.product-body p { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 0.85rem; }

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.product-footer form { flex: 1; min-width: 120px; }
.product-footer .btn { width: 100%; }

.price { font-weight: 700; font-size: 1.05rem; color: var(--color-primary-dark); }
.out-of-stock { color: var(--color-error); font-size: 0.85rem; }

.course-cover {
    height: 128px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.course-body { padding: 1rem 1.1rem 1.15rem; }
.course-body h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.4rem; }
.course-meta { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; font-size: 0.82rem; color: var(--color-text-muted); margin: 0.5rem 0 0.85rem; }

.lessons-list { margin-top: 1.25rem; }

.lesson-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    padding: 0.85rem;
    background: var(--color-surface);
    border-radius: var(--radius);
    margin-bottom: 0.65rem;
    border: 1px solid var(--color-border);
}

.lesson-num {
    width: 34px;
    height: 34px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.lesson-content { padding: 1.25rem 0 2.5rem; }
.lesson-video { margin-bottom: 1.25rem; aspect-ratio: 16/9; border-radius: var(--radius-lg); overflow: hidden; background: #000; }
.lesson-video iframe { width: 100%; height: 100%; border: none; display: block; }
.lesson-text { margin-bottom: 1.5rem; line-height: 1.75; overflow-wrap: break-word; }

.question-block {
    background: var(--color-surface);
    padding: 1.1rem;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
}

.question-block h3 { font-size: 0.95rem; margin-bottom: 0.6rem; color: var(--color-primary-dark); }
.question-block textarea { width: 100%; padding: 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius); font-family: inherit; margin: 0.65rem 0; min-height: 100px; }
.test-options { display: flex; flex-direction: column; gap: 0.4rem; margin: 0.65rem 0; }
.option-label { display: flex; align-items: flex-start; gap: 0.5rem; padding: 0.65rem; border-radius: 8px; cursor: pointer; min-height: var(--touch-min); }
.option-label:hover { background: var(--color-bg); }

/* ─── Tables (stack on mobile) ─── */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.cart-table, .data-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    background: var(--color-surface);
}

.cart-table th, .cart-table td,
.data-table th, .data-table td {
    padding: 0.75rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.cart-table th, .data-table th {
    background: var(--color-bg);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
}

.qty-input {
    width: 72px;
    max-width: 100%;
    padding: 0.45rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    text-align: center;
    min-height: 38px;
}

.cart-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.cart-actions .btn { width: 100%; }
.cart-total { font-size: 1.15rem; text-align: center; }

.checkout-grid {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.checkout-summary {
    background: var(--color-surface);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    order: -1;
}

.checkout-summary h3 { font-family: var(--font-display); margin-bottom: 0.75rem; }
.summary-item { display: flex; justify-content: space-between; gap: 0.75rem; padding: 0.45rem 0; border-bottom: 1px solid var(--color-border); font-size: 0.88rem; }
.summary-total { margin-top: 0.85rem; font-size: 1.1rem; }

/* ─── Auth ─── */
.auth-section { padding: 2rem 0 3rem; min-height: 50vh; display: flex; align-items: center; }
.auth-container { max-width: 440px; margin: 0 auto; width: 100%; }
.auth-card {
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.auth-card h1 { font-family: var(--font-display); text-align: center; margin-bottom: 1.25rem; font-size: 1.75rem; }
.auth-switch { text-align: center; margin-top: 1.25rem; font-size: 0.88rem; color: var(--color-text-muted); }

/* ─── Forms ─── */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.88rem; }
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition);
    min-height: var(--touch-min);
}

.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

/* ─── Alerts ─── */
.alert {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    margin: 0.75rem auto;
    max-width: 1200px;
    font-size: 0.88rem;
    width: calc(100% - 2 * var(--container-pad));
}

.alert-success { background: #d8f3dc; color: var(--color-success); border: 1px solid #95d5b2; }
.alert-error { background: #fde8e8; color: var(--color-error); border: 1px solid #f5c2c7; }

/* ─── Misc UI ─── */
.locked-page { padding: 2.5rem 0; min-height: 45vh; display: flex; align-items: center; justify-content: center; }
.locked-card { text-align: center; background: var(--color-surface); padding: 2rem 1.25rem; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); max-width: 480px; width: 100%; }
.locked-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.locked-card h1 { font-family: var(--font-display); margin-bottom: 0.75rem; }
.locked-card p { color: var(--color-text-muted); margin-bottom: 1.25rem; }
.locked-card .btn { margin: 0.25rem; width: 100%; max-width: 280px; }

.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--color-text-muted);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-border);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
    opacity: 0.65;
    filter: grayscale(0.2);
}
.empty-inline { color: var(--color-text-muted); padding: 1rem 0; }

.error-page { text-align: center; padding: 4rem 0; }
.error-page h1 { font-family: var(--font-display); font-size: clamp(3rem, 15vw, 5rem); color: var(--color-primary); }

.status { padding: 0.25rem 0.55rem; border-radius: 6px; font-size: 0.72rem; font-weight: 700; white-space: nowrap; }
.status-new { background: #dbeafe; color: #1e40af; }
.status-processing { background: #fef3c7; color: #92400e; }
.status-shipped { background: #e0e7ff; color: #3730a3; }
.status-delivered { background: #d8f3dc; color: #2d6a4f; }
.status-cancelled { background: #fde8e8; color: #9b2226; }

/* ─── Footer ─── */
.site-footer {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, #142010 100%);
    color: rgba(255, 255, 255, 0.75);
    padding: 2.5rem 0 calc(1.5rem + env(safe-area-inset-bottom));
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-primary-light), transparent);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: white;
    margin-bottom: 0.65rem;
    letter-spacing: 0.02em;
}

.footer-logo span { color: var(--color-primary-light); }
.footer-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.footer-links { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-links a {
    color: rgba(255, 255, 255, 0.72);
    min-height: 36px;
    display: flex;
    align-items: center;
    transition: color var(--transition);
}
.footer-links a:hover { color: var(--color-primary-light); }
.footer-copy { font-size: 0.82rem; padding-top: 0.5rem; border-top: 1px solid rgba(255,255,255,0.1); }

/* ─── Pagination ─── */
.pagination { display: flex; gap: 0.4rem; justify-content: center; margin-top: 1.5rem; flex-wrap: wrap; }
.page-link {
    display: flex; align-items: center; justify-content: center;
    min-width: var(--touch-min); height: var(--touch-min); padding: 0 0.65rem;
    border-radius: 8px; border: 1px solid var(--color-border);
    background: var(--color-surface); font-weight: 600; color: var(--color-text-muted);
}

.page-link.active, .page-link:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 2px 8px var(--color-primary-glow);
}

/* ─── Subscription ─── */
.plan-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow);
}

.plan-featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(72, 129, 50, 0.15);
    transform: scale(1.02);
}

.plan-badge {
    position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: white; padding: 0.25rem 0.75rem;
    border-radius: 50px; font-size: 0.72rem; font-weight: 700;
    box-shadow: 0 4px 12px var(--color-primary-glow);
}

.plan-card h3 { font-family: var(--font-display); font-size: 1.35rem; margin-bottom: 0.65rem; }
.plan-card p { color: var(--color-text-muted); font-size: 0.88rem; margin-bottom: 1.25rem; }
.plan-price { margin-bottom: 0.2rem; }
.price-num { font-size: 2rem; font-weight: 700; color: var(--color-primary-dark); }
.price-currency { font-size: 0.95rem; color: var(--color-text-muted); }
.plan-period { color: var(--color-text-muted); margin-bottom: 1rem; }
.plan-card .btn { width: 100%; }

.subscription-active-banner {
    background: #d8f3dc; color: var(--color-success);
    padding: 0.85rem 1rem; border-radius: var(--radius);
    margin-bottom: 1.25rem;
    display: flex; flex-direction: column; gap: 0.35rem;
    font-size: 0.9rem;
}

.demo-note { text-align: center; color: var(--color-text-muted); margin-top: 1.5rem; font-size: 0.88rem; }

/* ─── Profile ─── */
.profile-grid { display: flex; flex-direction: column; gap: 1rem; }

.profile-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.profile-subtitle { margin: 1rem 0 0.65rem; font-size: 0.95rem; }
.profile-courses { display: flex; flex-direction: column; gap: 0.75rem; }

.profile-course-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.85rem;
    background: var(--color-bg);
    border-radius: var(--radius);
}

.profile-course-item .btn { align-self: flex-start; }
.data-table-sm { font-size: 0.85rem; }

.status-badge { display: inline-block; padding: 0.45rem 0.85rem; border-radius: 8px; font-weight: 600; margin-bottom: 0.85rem; }
.status-active { background: #d8f3dc; color: var(--color-success); }

.progress-bar { height: 8px; background: var(--color-border); border-radius: 4px; overflow: hidden; margin: 0.45rem 0; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark)); border-radius: 4px; transition: width 0.4s ease; }
.course-progress-wrap { margin-bottom: 1.25rem; padding: 0.85rem; background: var(--color-bg); border-radius: var(--radius); }
.lesson-done { border-color: var(--color-success); background: #f0fdf4; }
.lesson-done .lesson-num { background: var(--color-success); }
.lesson-complete-wrap { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--color-border); }

/* ─── Payment ─── */
.payment-grid { max-width: 640px; }

.payment-order-card, .payment-instructions, .mbank-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.payment-amount { font-size: 1.65rem; font-weight: 700; color: var(--color-primary-dark); margin: 0.6rem 0; }
.payment-amount span { font-size: 0.95rem; color: var(--color-text-muted); }

.requisite-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.75rem;
    flex-wrap: wrap;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.requisite-row .highlight { color: var(--color-primary); font-size: 1rem; word-break: break-all; }
.payment-note { margin: 0.85rem 0; color: var(--color-text-muted); font-size: 0.88rem; }

.payment-elcart-card {
    max-width: 480px;
    margin: 0 auto;
    text-align: center;
    background: var(--color-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.order-ref { color: var(--color-text-muted); margin-bottom: 1.25rem; }
.loading-spinner { margin-top: 1.25rem; color: var(--color-text-muted); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

.payment-methods, .payment-methods-inline { display: flex; flex-direction: column; gap: 0.5rem; }

.payment-method-option {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color 0.2s;
    min-height: var(--touch-min);
}

.payment-method-option:has(input:checked) {
    border-color: var(--color-primary);
    background: var(--color-primary-soft);
    box-shadow: 0 0 0 3px rgba(72, 129, 50, 0.08);
}
.payment-method-option input { accent-color: var(--color-primary); width: 18px; height: 18px; }

/* ─── Tablet (640px+) ─── */
@media (min-width: 640px) {
    :root { --container-pad: 1.25rem; }

    .hero { padding: 3.5rem 0 2.75rem; }

    .hero-actions {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        max-width: none;
    }

    .hero-actions .btn { width: auto; min-width: 9rem; }

    .search-box { flex-direction: row; align-items: stretch; }
    .search-box .btn { width: auto; flex-shrink: 0; }

    .filters-row { grid-template-columns: repeat(2, 1fr); }

    .articles-grid,
    .products-grid,
    .courses-grid { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }

    .plans-grid { grid-template-columns: repeat(2, 1fr); }

    .cart-actions { flex-direction: row; flex-wrap: wrap; align-items: center; }
    .cart-actions .btn { width: auto; }
    .cart-total { margin-left: auto; text-align: right; }

    .profile-grid { display: grid; grid-template-columns: 1fr 1fr; }
    .profile-full { grid-column: 1 / -1; }

    .profile-course-item { flex-direction: row; justify-content: space-between; align-items: center; }

    .subscription-active-banner { flex-direction: row; gap: 1.5rem; align-items: center; }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 1.5rem;
    }

    .footer-copy { grid-column: 1 / -1; }

    .articles-grid-sm { grid-template-columns: repeat(2, 1fr); }

    /* Stack tables as cards on small tablet still use scroll; stack below 640 only */
}

@media (max-width: 639px) {
    .cart-table--stack,
    .data-table--stack { min-width: 0; }

    .cart-table--stack thead,
    .data-table--stack thead { display: none; }

    .cart-table--stack tbody tr,
    .data-table--stack tbody tr {
        display: block;
        margin-bottom: 0.85rem;
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        overflow: hidden;
        background: var(--color-surface);
    }

    .cart-table--stack td,
    .data-table--stack td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.75rem;
        padding: 0.65rem 0.85rem;
        border-bottom: 1px solid var(--color-border);
        min-width: 0;
    }

    .cart-table--stack td:last-child,
    .data-table--stack td:last-child { border-bottom: none; }

    .cart-table--stack td::before,
    .data-table--stack td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.75rem;
        color: var(--color-text-muted);
        text-transform: uppercase;
        flex-shrink: 0;
    }

    .cart-table--stack td[data-label=""]::before,
    .data-table--stack td[data-label=""]::before { display: none; }

    .cart-table--stack td[data-label=""] { justify-content: flex-end; }
}

/* ─── Desktop nav (1024px+) ─── */
@media (min-width: 1024px) {
    :root { --header-h: 72px; --container-pad: 1.5rem; }

    .mobile-menu-btn { display: none; }
    .header-backdrop { display: none !important; }

    .site-header-row { gap: 1rem; }

    .header-panel {
        display: flex !important;
        flex-direction: row;
        align-items: center;
        justify-content: flex-end;
        position: static;
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
        width: auto;
        padding: 0;
        overflow: visible;
        border: none;
        box-shadow: none;
        background: transparent;
        flex: 1;
        gap: 1.5rem;
    }

    .main-nav a {
        min-height: auto;
        padding: 0;
        font-size: 0.92rem;
        font-weight: 500;
        color: var(--color-text-muted);
        background: none;
        border: none;
        position: relative;
    }

    .main-nav a.active,
    .main-nav a:hover {
        color: var(--color-primary-dark);
        background: none;
        border-color: transparent;
    }

    .main-nav {
        flex-direction: row;
        gap: 1.5rem;
        margin-right: auto;
    }

    .main-nav a.active::after {
        content: '';
        display: block;
        position: absolute;
        bottom: -4px;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
    }

    .header-actions {
        flex-direction: row;
        align-items: center;
        gap: 0.65rem;
        padding-top: 0;
        border-top: none;
    }

    .header-actions .inline-form,
    .header-actions .inline-form button { width: auto; }

    .logo { font-size: 1.5rem; }

    .articles-grid { grid-template-columns: repeat(3, 1fr); }
    .products-grid { grid-template-columns: repeat(3, 1fr); }

    .filters-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }

    .checkout-grid {
        display: grid;
        grid-template-columns: 1fr 340px;
        gap: 2rem;
        align-items: start;
    }

    .checkout-summary { order: 0; position: sticky; top: calc(var(--header-h) + 1rem); }

    .plans-grid { grid-template-columns: repeat(3, 1fr); }

    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
    .footer-copy { grid-column: auto; align-self: end; text-align: right; }

    .hero { padding: 5rem 0 4rem; }

    .page-header { padding: 3rem 0; }

    .shop-section, .cart-section, .courses-section, .checkout-section,
    .subscription-section, .profile-section, .payment-section { padding: 3rem 0 4rem; }

    .articles-section { padding: 1rem 0 4rem; }

    .auth-card { padding: 2.5rem; }

    .product-footer form { flex: 0; }
    .product-footer .btn { width: auto; }
}

@media (min-width: 1200px) {
    .articles-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}