/* ============================================================
   Ata Güzel Sanatlar - Stylesheet
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #c9a84c;
    --primary-dark: #a8893a;
    --dark: #0f0f1a;
    --dark-2: #1a1a2e;
    --dark-3: #16213e;
    --navy: #1e2a4a;
    --burgundy: #6b2c3e;
    --text: #e8e8e8;
    --text-muted: #9ca3af;
    --text-dark: #2d2d3a;
    --bg-light: #f8f5f0;
    --bg-section: #faf9f6;
    --card-bg: #ffffff;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 30px rgba(0,0,0,.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,.12);
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

body.cart-open {
    overflow: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

img { max-width: 100%; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
    font-family: 'Playfair Display', Georgia, serif;
    line-height: 1.2;
}

em {
    font-style: normal;
    color: var(--primary);
}

/* --- Section Shared --- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    color: var(--dark-2);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 17px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* --- Animations --- */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(30, 42, 58, .95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,.2);
}

.navbar.scrolled .logo-img {
    height: 36px;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.logo-img {
    height: 44px;
    border-radius: 8px;
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.05);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 11px;
    color: var(--primary);
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    color: rgba(255,255,255,.8);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: .3px;
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width .3s;
    border-radius: 1px;
}

.nav-links a:hover {
    color: #fff;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cart-btn {
    position: relative;
    background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.cart-btn:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    width: 18px;
    height: 18px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
}

.btn-nav {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .3px;
    transition: var(--transition);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 168, 76, .35);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Cart Sidebar --- */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
}

.cart-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    max-width: 90vw;
    height: 100vh;
    background: #fff;
    z-index: 2001;
    display: flex;
    flex-direction: column;
    transition: right .4s cubic-bezier(.4,0,.2,1);
    box-shadow: -10px 0 40px rgba(0,0,0,.15);
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
    color: #fff;
}

.cart-header h3 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.cart-close {
    background: rgba(255,255,255,.15);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.cart-close:hover {
    background: rgba(255,255,255,.25);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #ccc;
    gap: 12px;
}

.cart-empty i {
    font-size: 48px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid #f0f0f0;
}

.cart-item-emoji {
    font-size: 32px;
    flex-shrink: 0;
}

.cart-item-info {
    flex: 1;
    min-width: 0;
}

.cart-item-info h4 {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cart-item-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-dark);
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.cart-item-qty button {
    width: 28px;
    height: 28px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #f8f8f8;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.cart-item-qty button:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.cart-item-qty span {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-item-remove {
    background: none;
    border: none;
    color: #ccc;
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
    transition: var(--transition);
    flex-shrink: 0;
}

.cart-item-remove:hover {
    color: #e74c3c;
}

.cart-footer {
    padding: 20px 24px;
    border-top: 2px solid #f0f0f0;
    background: #fafafa;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-size: 16px;
}

.cart-total strong {
    font-size: 22px;
    color: var(--primary-dark);
}

.btn-checkout {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-checkout:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 168, 76, .35);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201, 168, 76, .15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(201, 168, 76, .2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 90%, rgba(75, 130, 160, .2) 0%, transparent 50%),
        linear-gradient(135deg, #1e2a3a 0%, #2c3e50 40%, #34495e 70%, #1e2a3a 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 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='%23c9a84c' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 6s infinite ease-in-out;
}

@keyframes particleFloat {
    0%, 100% { opacity: 0; transform: translateY(0) scale(0); }
    50% { opacity: .4; transform: translateY(-40px) scale(1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding-top: 100px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 168, 76, .15);
    border: 1px solid rgba(201, 168, 76, .3);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
    animation: fadeInDown .8s ease;
}

.hero-title {
    color: #fff;
    margin-bottom: 24px;
    animation: fadeInUp .8s ease .2s both;
}

.hero-title .line1 {
    display: block;
    font-size: clamp(32px, 5vw, 60px);
    font-weight: 600;
    opacity: .9;
}

.hero-title .line2 {
    display: block;
    font-size: clamp(42px, 7vw, 80px);
    font-weight: 900;
}

.hero-title .line2 em {
    background: linear-gradient(135deg, var(--primary), #e8d591);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: rgba(255,255,255,.7);
    font-size: 18px;
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.7;
    animation: fadeInUp .8s ease .4s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp .8s ease .6s both;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(201, 168, 76, .4);
    color: #fff;
}

.btn-secondary {
    background: rgba(255,255,255,.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,.15);
    transform: translateY(-3px);
    color: #fff;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
    animation: fadeInUp .8s ease .8s both;
}

.hero-stat {
    text-align: center;
    color: #fff;
}

.stat-num {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,.5);
    margin-top: 4px;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: rgba(255,255,255,.4);
    font-size: 24px;
}

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

/* Floating Music Notes */
.floating-notes {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.note {
    position: absolute;
    font-size: 24px;
    color: var(--primary);
    opacity: .15;
    animation: noteFloat linear infinite;
}

.note-1 { left: 10%; font-size: 28px; animation-duration: 12s; animation-delay: 0s; }
.note-2 { left: 25%; font-size: 20px; animation-duration: 15s; animation-delay: 2s; }
.note-3 { left: 55%; font-size: 32px; animation-duration: 10s; animation-delay: 4s; }
.note-4 { left: 75%; font-size: 22px; animation-duration: 14s; animation-delay: 1s; }
.note-5 { left: 90%; font-size: 26px; animation-duration: 11s; animation-delay: 3s; }

@keyframes noteFloat {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: .2; }
    90% { opacity: .2; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* --- About --- */
.about {
    background: #fff;
}

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

.about-card {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.about-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(201, 168, 76, .2);
}

.about-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #fff;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.about-card:hover .about-icon {
    transform: scale(1.1) rotate(-5deg);
}

.about-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--dark-2);
}

.about-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- Certification Section --- */
.certification {
    background: linear-gradient(135deg, #0c1a2e 0%, #1a2d4a 50%, #0f2039 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}
.certification::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201,168,76,.08) 0%, transparent 70%);
    border-radius: 50%;
}
.cert-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(201,168,76,.2), rgba(201,168,76,.05));
    border: 1px solid rgba(201,168,76,.3);
    color: #c9a84c;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
}
.cert-logo-area {
    margin-bottom: 24px;
}
.cert-logo {
    max-width: 280px;
    height: auto;
    filter: brightness(1.1);
}
.cert-title {
    font-size: 36px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.cert-subtitle {
    font-size: 18px;
    color: #c9a84c;
    font-weight: 600;
    margin-bottom: 20px;
}
.cert-desc {
    color: rgba(255,255,255,.7);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 32px;
}
.cert-stats {
    display: flex;
    gap: 32px;
}
.cert-stat {
    text-align: center;
}
.cert-stat-num {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: #c9a84c;
}
.cert-stat-label {
    display: block;
    font-size: 11px;
    color: rgba(255,255,255,.5);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-top: 4px;
    max-width: 140px;
}
.cert-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}
.cert-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 16px;
    padding: 20px 24px;
    transition: all .3s;
}
.cert-feature:hover {
    background: rgba(201,168,76,.08);
    border-color: rgba(201,168,76,.2);
    transform: translateX(6px);
}
.cert-feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(201,168,76,.15), rgba(201,168,76,.05));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #c9a84c;
    font-size: 20px;
    flex-shrink: 0;
}
.cert-feature p {
    color: rgba(255,255,255,.85);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    margin: 0;
}
.cert-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #c9a84c, #a8893a);
    color: #fff;
    padding: 16px 32px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: all .3s;
    box-shadow: 0 8px 30px rgba(201,168,76,.3);
}
.cert-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(201,168,76,.4);
}

@media (max-width: 768px) {
    .cert-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .cert-stats {
        justify-content: center;
    }
    .cert-feature {
        text-align: left;
    }
    .cert-title {
        font-size: 28px;
    }
    .cert-logo {
        max-width: 220px;
    }
}

/* --- Courses --- */
.courses {
    background: var(--bg-section);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.course-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.course-img {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.course-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.course-card:hover .course-img img {
    transform: scale(1.08);
}

.course-emoji {
    font-size: 64px;
    filter: drop-shadow(0 4px 20px rgba(0,0,0,.2));
    transition: var(--transition);
}

.course-card:hover .course-emoji {
    transform: scale(1.15) rotate(-5deg);
}

.course-badge {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
}

.course-body {
    padding: 24px;
}

.course-body h3 {
    font-size: 22px;
    color: var(--dark-2);
    margin-bottom: 10px;
}

.course-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.course-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f0f0;
}

.course-meta span {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.course-meta i {
    color: var(--primary);
    font-size: 13px;
}

.course-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.course-price .price-old {
    font-size: 13px;
    color: #ccc;
    text-decoration: line-through;
    display: block;
}

.course-price .price-new {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-2);
    font-family: 'Playfair Display', serif;
}

.course-price .price-new small {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-muted);
    font-family: 'Inter', sans-serif;
}

.btn-enroll {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-enroll:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 168, 76, .35);
    color: #fff;
}

/* --- Shop --- */
.shop {
    background: #fff;
}

.shop-filters {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 8px 20px;
    border: 2px solid #e9ecef;
    border-radius: 50px;
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

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

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: var(--primary);
    color: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    animation: fadeInUp .6s ease both;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-img {
    height: 200px;
    background: linear-gradient(135deg, #f8f5f0, #efe8dd);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-img img {
    transform: scale(1.08);
}

.product-emoji {
    font-size: 64px;
    transition: var(--transition);
}

.product-card:hover .product-emoji {
    transform: scale(1.15);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.product-actions {
    position: absolute;
    right: 12px;
    top: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-actions button {
    width: 38px;
    height: 38px;
    border: none;
    border-radius: 50%;
    background: #fff;
    color: var(--dark-2);
    cursor: pointer;
    font-size: 14px;
    box-shadow: 0 2px 10px rgba(0,0,0,.1);
    transition: var(--transition);
}

.product-actions button:hover {
    background: var(--primary);
    color: #fff;
}

.product-body {
    padding: 20px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-bottom: 10px;
}

.product-rating i {
    font-size: 12px;
    color: #f5b731;
}

.product-rating span {
    font-size: 12px;
    color: var(--text-muted);
    margin-left: 6px;
}

.product-name {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark-2);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.product-price .price-old {
    font-size: 13px;
    color: #ccc;
    text-decoration: line-through;
}

.product-price .price-new {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
}

.btn-add-cart {
    width: 100%;
    padding: 10px;
    background: var(--dark-2);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    font-family: 'Inter', sans-serif;
}

.btn-add-cart:hover {
    background: var(--primary);
}

.shop-more {
    display: flex;
    justify-content: center;
}

/* --- Teachers --- */
.teachers {
    background: var(--bg-section);
}

.teachers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 28px;
}

.teacher-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.teacher-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.teacher-img {
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.teacher-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.teacher-card:hover .teacher-img img {
    transform: scale(1.08);
}

.teacher-avatar {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    font-family: 'Playfair Display', serif;
    border: 3px solid rgba(255,255,255,.4);
}

.teacher-body {
    padding: 24px;
    text-align: center;
}

.teacher-body h3 {
    font-size: 20px;
    color: var(--dark-2);
    margin-bottom: 4px;
}

.teacher-role {
    display: inline-block;
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 12px;
}

.teacher-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 16px;
}

.teacher-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.teacher-social a {
    width: 36px;
    height: 36px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}

.teacher-social a:hover {
    background: var(--primary);
    color: #fff;
}

/* --- News --- */
.news {
    background: linear-gradient(180deg, #fff 0%, #f8f5f0 100%);
    position: relative;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.news-card {
    background: rgba(255,255,255,.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.4);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background: rgba(255,255,255,.9);
}

.news-img {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-img img {
    transform: scale(1.08);
}

.news-img-fallback {
    font-size: 48px;
    color: rgba(255,255,255,.4);
}

.news-body {
    padding: 24px;
}

.news-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.news-body h3 {
    font-size: 20px;
    color: var(--dark-2);
    margin-bottom: 10px;
    line-height: 1.3;
}

.news-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- Testimonials --- */
.testimonials {
    background: linear-gradient(135deg, var(--dark), var(--dark-2), var(--dark-3));
    color: #fff;
}

.testimonials .section-title {
    color: #fff;
}

.testimonials .section-tag {
    background: rgba(201, 168, 76, .2);
    border: 1px solid rgba(201, 168, 76, .3);
}

.testimonials-slider {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    min-height: 280px;
}

.testimonial-card {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(30px);
    transition: all .5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    pointer-events: none;
}

.testimonial-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    color: #f5b731;
    font-size: 18px;
    margin-bottom: 24px;
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255,255,255,.85);
    font-style: italic;
    margin-bottom: 28px;
    max-width: 600px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
}

.testimonial-author strong {
    display: block;
    font-size: 15px;
}

.testimonial-author span {
    font-size: 13px;
    color: rgba(255,255,255,.5);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 36px;
}

.dot {
    width: 10px;
    height: 10px;
    border: none;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--primary);
    width: 28px;
    border-radius: 5px;
}

/* --- Contact --- */
.contact {
    background: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.info-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    margin-bottom: 8px;
}

.info-card:hover {
    background: var(--bg-light);
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.info-card h4 {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark-2);
    margin-bottom: 4px;
}

.info-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
    padding: 20px;
    margin-top: 8px;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 18px;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-section);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid #e9ecef;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--dark-2);
    background: #fff;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, .15);
}

.form-group textarea {
    resize: vertical;
}

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

/* --- Map --- */
.map-section {
    background: var(--dark-2);
}

.map-placeholder {
    padding: 80px 24px;
    text-align: center;
    color: rgba(255,255,255,.4);
}

.map-placeholder i {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
    color: var(--primary);
    opacity: .5;
}

.map-placeholder p {
    font-size: 15px;
    margin-bottom: 8px;
}

.map-placeholder small {
    font-size: 13px;
}

/* --- Footer --- */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,.7);
    padding-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.6);
    font-size: 14px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
}

.footer-links h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 20px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255,255,255,.5);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-newsletter h4 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 12px;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
}

.footer-newsletter > p {
    font-size: 14px;
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid rgba(255,255,255,.1);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background: rgba(255,255,255,.05);
    color: #fff;
    font-size: 14px;
    outline: none;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

.newsletter-form input:focus {
    border-color: var(--primary);
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,.3);
}

.newsletter-form button {
    width: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    opacity: .9;
}

.payment-methods {
    font-size: 12px;
    color: rgba(255,255,255,.4);
}

.payment-methods span {
    display: block;
    margin-bottom: 8px;
}

.payment-icons {
    display: flex;
    gap: 12px;
    font-size: 24px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,.4);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 13px;
    color: rgba(255,255,255,.4);
}

.footer-bottom-links a:hover {
    color: var(--primary);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(201, 168, 76, .4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
}

/* --- Toast --- */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--dark-2);
    color: #fff;
    padding: 14px 28px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    z-index: 9999;
    box-shadow: 0 10px 40px rgba(0,0,0,.3);
    transition: transform .4s cubic-bezier(.4,0,.2,1);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast i {
    color: #4ade80;
    font-size: 18px;
}

/* --- Preloader --- */
.preloader {
    position: fixed; inset: 0; z-index: 99999;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    transition: opacity .6s ease, visibility .6s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-logo {
    width: 80px; height: 80px; border-radius: 16px;
    animation: preloaderPulse 1.5s ease-in-out infinite; margin-bottom: 24px;
}
.preloader-bar {
    width: 200px; height: 3px; background: rgba(255,255,255,.1);
    border-radius: 3px; overflow: hidden;
}
.preloader-bar::after {
    content: ''; display: block; width: 40%; height: 100%;
    background: linear-gradient(90deg, #c9a84c, #e8d591);
    border-radius: 3px; animation: preloaderSlide 1.2s ease-in-out infinite;
}
@keyframes preloaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: .8; }
}
@keyframes preloaderSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* --- Enrollment Modal --- */
.enrollment-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
}

.enrollment-overlay.open {
    opacity: 1;
    pointer-events: all;
}

.enrollment-modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(.9);
    width: 460px;
    max-width: 92vw;
    max-height: 90vh;
    overflow-y: auto;
    background: #fff;
    border-radius: var(--radius);
    z-index: 3001;
    opacity: 0;
    pointer-events: none;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    box-shadow: 0 25px 80px rgba(0,0,0,.25);
}

.enrollment-modal.open {
    opacity: 1;
    pointer-events: all;
    transform: translate(-50%, -50%) scale(1);
}

.enrollment-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
    color: #fff;
    border-radius: var(--radius) var(--radius) 0 0;
}

.enrollment-header h3 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 4px;
}

.enrollment-header p {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
}

.enrollment-close {
    background: rgba(255,255,255,.15);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
    flex-shrink: 0;
}

.enrollment-close:hover {
    background: rgba(255,255,255,.25);
}

.enrollment-body {
    padding: 28px;
}

.enrollment-body .form-group {
    margin-bottom: 18px;
}

.enrollment-body .form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 8px;
}

.enrollment-body .form-group input,
.enrollment-body .form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: var(--dark-2);
    background: #fff;
    transition: var(--transition);
    outline: none;
}

.enrollment-body .form-group input:focus,
.enrollment-body .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, .15);
}

.enrollment-body .form-group textarea {
    resize: vertical;
}

/* --- Glassmorphism Cards --- */
.about-card {
    background: rgba(255,255,255,.65) !important;
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,.5) !important;
}
.about-card:hover {
    background: rgba(255,255,255,.85) !important;
    border-color: rgba(201,168,76,.3) !important;
}
.course-card {
    background: rgba(255,255,255,.7) !important;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.4) !important;
}
.course-card:hover { background: rgba(255,255,255,.9) !important; }
.teacher-card {
    background: rgba(255,255,255,.65) !important;
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.4) !important;
}
.teacher-card:hover { background: rgba(255,255,255,.9) !important; }
.product-card {
    background: rgba(255,255,255,.75) !important;
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.3) !important;
}
.product-card:hover { background: rgba(255,255,255,.95) !important; }

/* --- Wave Dividers --- */
.wave-divider {
    position: relative; width: 100%; overflow: hidden; line-height: 0; margin-top: -1px;
}
.wave-divider svg { display: block; width: 100%; height: 60px; }

/* --- Scroll Reveal --- */
[data-reveal] {
    opacity: 0;
    transition: opacity .8s cubic-bezier(.4,0,.2,1), transform .8s cubic-bezier(.4,0,.2,1);
}
[data-reveal="up"] { transform: translateY(60px); }
[data-reveal="left"] { transform: translateX(-60px); }
[data-reveal="right"] { transform: translateX(60px); }
[data-reveal="scale"] { transform: scale(.85); }
[data-reveal].revealed { opacity: 1; transform: translate(0) scale(1); }

[data-stagger] > * {
    opacity: 0; transform: translateY(40px);
    transition: opacity .6s ease, transform .6s ease;
}
[data-stagger].revealed > * { opacity: 1; transform: translateY(0); }
[data-stagger].revealed > *:nth-child(1) { transition-delay: .1s; }
[data-stagger].revealed > *:nth-child(2) { transition-delay: .2s; }
[data-stagger].revealed > *:nth-child(3) { transition-delay: .3s; }
[data-stagger].revealed > *:nth-child(4) { transition-delay: .4s; }
[data-stagger].revealed > *:nth-child(5) { transition-delay: .5s; }
[data-stagger].revealed > *:nth-child(6) { transition-delay: .6s; }

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed; bottom: 100px; right: 32px; z-index: 998;
    width: 56px; height: 56px; background: #25D366; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 28px; text-decoration: none;
    box-shadow: 0 4px 20px rgba(37,211,102,.4);
    transition: all .3s ease; animation: whatsappBounce 3s ease-in-out infinite;
}
.whatsapp-float:hover {
    transform: scale(1.12); box-shadow: 0 8px 30px rgba(37,211,102,.5); color: #fff;
}
.whatsapp-float .tooltip {
    position: absolute; right: 68px; background: #fff; color: #333;
    padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 500;
    white-space: nowrap; box-shadow: 0 4px 15px rgba(0,0,0,.1);
    opacity: 0; pointer-events: none; transition: opacity .3s; font-family: 'Inter', sans-serif;
}
.whatsapp-float:hover .tooltip { opacity: 1; }
@keyframes whatsappBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* --- Google Map --- */
.map-embed {
    width: 100%; height: 350px; border: none;
    filter: grayscale(30%) contrast(1.05); transition: filter .3s;
}
.map-embed:hover { filter: grayscale(0%) contrast(1); }

/* --- Enhanced Section Backgrounds --- */
.about { background: linear-gradient(180deg, #fff 0%, #f8f5f0 100%); position: relative; }
.courses { background: linear-gradient(180deg, #faf9f6 0%, #f5f0ea 100%); position: relative; }
.teachers { background: linear-gradient(180deg, #faf9f6 0%, #f3efe8 100%); position: relative; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(15, 15, 26, .98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 28px;
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s;
    }

    .nav-links.active {
        opacity: 1;
        pointer-events: all;
    }

    .nav-links a {
        font-size: 20px;
    }

    .nav-actions .btn-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat {
        flex: 0 0 calc(50% - 12px);
    }

    .stat-num {
        font-size: 28px;
    }

    .courses-grid {
        grid-template-columns: 1fr;
    }

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

    .teachers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 70px 0;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .contact-form {
        padding: 24px;
    }

    .testimonials-slider {
        min-height: 340px;
    }

    .container {
        padding: 0 16px;
    }

    .whatsapp-float {
        bottom: 80px;
        right: 16px;
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .back-to-top {
        bottom: 20px;
        right: 16px;
        width: 42px;
        height: 42px;
    }

    .map-embed {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .hero-title .line1 {
        font-size: 28px;
    }

    .hero-title .line2 {
        font-size: 36px;
    }

    .hero-desc {
        font-size: 15px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .teachers-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .shop-filters {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 14px;
        font-size: 12px;
    }

    .section {
        padding: 50px 0;
    }

    .testimonials-slider {
        min-height: 380px;
    }

    .testimonial-text {
        font-size: 15px;
    }

    .course-body {
        padding: 18px;
    }

    .course-body h3 {
        font-size: 18px;
    }

    .teacher-body {
        padding: 18px;
    }

    .footer {
        padding-top: 50px;
    }

    .info-card {
        padding: 14px;
    }
}