:root {
    --cream: #FDF8F3;
    --terracotta: #C4703F;
    --coffee: #2C1810;
    --gold: #D4A853;
    --sage: #8B9A7D;
    --white: #FFFCF9;
    --coral: #E07B54;
    --text: #1A1210;
    --muted: #6B5B54;
    --instagram: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    --youtube: #FF0000;
    --shadow-sm: 0 4px 15px rgba(44, 24, 16, 0.08);
    --shadow-md: 0 10px 30px rgba(44, 24, 16, 0.12);
    --shadow-lg: 0 25px 50px rgba(44, 24, 16, 0.15);
    --transition: all 0.3s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: 'DM Sans', -apple-system, sans-serif; background: var(--cream); color: var(--text); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
h1, h2, h3, h4 { font-family: 'Playfair Display', Georgia, serif; font-weight: 700; color: var(--coffee); line-height: 1.2; }

/* Navigation */
.navbar { position: fixed; top: 0; width: 100%; padding: 1rem 4rem; display: flex; justify-content: space-between; align-items: center; background: rgba(253, 248, 243, 0.97); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid rgba(44, 24, 16, 0.06); }
.navbar.scrolled { padding: 0.7rem 4rem; box-shadow: var(--shadow-sm); }
.logo { font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 600; color: var(--coffee); }
.logo span { color: var(--terracotta); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: var(--muted); font-weight: 500; font-size: 0.9rem; transition: var(--transition); }
.nav-links a:hover { color: var(--coffee); }
.nav-cta { background: var(--terracotta) !important; color: white !important; padding: 0.6rem 1.3rem; border-radius: 50px; font-weight: 600; box-shadow: 0 4px 15px rgba(196, 112, 63, 0.3); }
.nav-cta:hover { background: var(--coral) !important; transform: translateY(-2px); }
.nav-social { display: flex; gap: 0.5rem; margin-left: 1rem; padding-left: 1rem; border-left: 1px solid rgba(44, 24, 16, 0.1); }
.nav-social a { font-size: 1.1rem; transition: var(--transition); }
.nav-social a:hover { transform: scale(1.2); }
.mobile-menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 5px; }
.mobile-menu-btn span { width: 25px; height: 2px; background: var(--coffee); transition: var(--transition); }
.mobile-menu { display: none; position: fixed; top: 60px; left: 0; right: 0; background: var(--white); padding: 2rem; flex-direction: column; gap: 1.5rem; z-index: 999; box-shadow: var(--shadow-lg); transform: translateY(-100%); opacity: 0; transition: var(--transition); }
.mobile-menu.active { transform: translateY(0); opacity: 1; }

/* Buttons */
.btn-primary { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--terracotta); color: white; padding: 1rem 1.8rem; border-radius: 50px; font-weight: 600; box-shadow: 0 4px 20px rgba(196, 112, 63, 0.3); transition: var(--transition); }
.btn-primary:hover { background: var(--coral); transform: translateY(-3px); }
.btn-primary.btn-gold { background: var(--gold); color: var(--coffee); }
.btn-primary.btn-gold:hover { background: white; }
.btn-free { display: inline-flex; align-items: center; gap: 0.5rem; background: linear-gradient(135deg, var(--sage), #6B7A5D); color: white; padding: 1rem 1.8rem; border-radius: 50px; font-weight: 600; box-shadow: 0 4px 20px rgba(139, 154, 125, 0.3); transition: var(--transition); }
.btn-free:hover { transform: translateY(-3px); }

/* Hero */
.hero { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; align-items: center; padding: 7rem 4rem 4rem; gap: 4rem; }
.hero-content { max-width: 560px; }
.hero-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(196, 112, 63, 0.1); color: var(--terracotta); padding: 0.5rem 1rem; border-radius: 50px; font-size: 0.85rem; font-weight: 500; margin-bottom: 1.5rem; animation: fadeInUp 0.6s ease; }
.hero h1 { font-size: 3.2rem; margin-bottom: 1.5rem; animation: fadeInUp 0.6s ease 0.1s both; }
.hero h1 .highlight { color: var(--terracotta); position: relative; }
.hero h1 .highlight::after { content: ''; position: absolute; bottom: 5px; left: 0; width: 100%; height: 8px; background: rgba(212, 168, 83, 0.3); z-index: -1; transform: skewX(-5deg); }
.hero-text { font-size: 1.1rem; color: var(--muted); margin-bottom: 2rem; line-height: 1.8; animation: fadeInUp 0.6s ease 0.2s both; }
.hero-text strong { color: var(--coffee); }
.hero-features { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-bottom: 2rem; animation: fadeInUp 0.6s ease 0.3s both; }
.feature-tag { display: flex; align-items: center; gap: 0.5rem; background: var(--white); padding: 0.5rem 1rem; border-radius: 8px; font-size: 0.85rem; border: 1px solid rgba(44, 24, 16, 0.08); transition: var(--transition); }
.feature-tag:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; animation: fadeInUp 0.6s ease 0.4s both; }
.hero-visual { display: flex; justify-content: center; animation: fadeInUp 0.8s ease 0.3s both; }
.hero-image-wrapper { position: relative; width: 400px; height: 500px; }
.hero-image { width: 100%; height: 100%; object-fit: cover; object-position: center top; border-radius: 200px 200px 30px 30px; box-shadow: 0 35px 70px rgba(44, 24, 16, 0.2); }
.float-card { position: absolute; background: var(--white); padding: 0.8rem 1rem; border-radius: 12px; box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 0.6rem; animation: float 5s ease-in-out infinite; }
.float-card-1 { top: 10%; right: -20px; }
.float-card-2 { bottom: 25%; left: -30px; animation-delay: 1.5s; }
.float-card-3 { bottom: 45%; right: -25px; animation-delay: 3s; }
.float-card .float-icon { font-size: 1.3rem; }
.float-card strong { display: block; font-size: 0.8rem; color: var(--coffee); }
.float-card span { font-size: 0.7rem; color: var(--muted); }

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Free Class Banner */
.free-class-banner { background: linear-gradient(135deg, var(--coffee), #3D2519); padding: 2rem 4rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; }
.free-class-content { display: flex; align-items: center; gap: 1.5rem; }
.free-class-icon { width: 60px; height: 60px; background: var(--gold); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.8rem; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
.free-class-text h3 { color: white; font-size: 1.3rem; margin-bottom: 0.2rem; }
.free-class-text p { color: rgba(255, 255, 255, 0.8); font-size: 0.95rem; }
.free-class-cta { background: var(--gold); color: var(--coffee); padding: 0.9rem 1.8rem; border-radius: 50px; font-weight: 700; transition: var(--transition); }
.free-class-cta:hover { background: white; transform: scale(1.05); }

/* Trust Bar */
.trust-bar { background: var(--white); padding: 2.5rem 4rem; display: flex; justify-content: center; gap: 4rem; flex-wrap: wrap; border-bottom: 1px solid rgba(44, 24, 16, 0.05); }
.trust-item { display: flex; align-items: center; gap: 0.6rem; color: var(--muted); font-size: 0.95rem; transition: var(--transition); }
.trust-item:hover { transform: translateY(-3px); color: var(--coffee); }
.trust-item span { font-size: 1.4rem; }

/* Section Headers */
.section-header { text-align: center; max-width: 600px; margin: 0 auto 3rem; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 0.8rem; }
.section-header p { color: var(--muted); font-size: 1.05rem; }

/* Instagram */
.instagram-section { padding: 5rem 0; background: var(--white); overflow: hidden; }
.instagram-badge { display: inline-flex; align-items: center; gap: 0.6rem; background: var(--instagram); color: white; padding: 0.6rem 1.2rem; border-radius: 50px; font-size: 0.9rem; font-weight: 600; transition: var(--transition); margin-top: 1rem; }
.instagram-badge:hover { transform: scale(1.05); box-shadow: 0 8px 25px rgba(225, 48, 108, 0.3); }
.instagram-carousel { display: flex; gap: 1.5rem; padding: 2rem 4rem; overflow-x: auto; scroll-behavior: smooth; scrollbar-width: none; }
.instagram-carousel::-webkit-scrollbar { display: none; }
.instagram-post { flex-shrink: 0; width: 260px; height: 260px; border-radius: 18px; overflow: hidden; position: relative; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); box-shadow: var(--shadow-md); }
.instagram-post:hover { transform: translateY(-15px) scale(1.03); box-shadow: var(--shadow-lg); }
.post-content { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 1.5rem; color: white; font-weight: 600; }
.post-1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.post-2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.post-3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.post-4 { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.post-5 { background: linear-gradient(135deg, #fa709a, #fee140); }
.post-6 { background: linear-gradient(135deg, #a8edea, #fed6e3); color: var(--coffee); }
.post-7 { background: linear-gradient(135deg, #ff9a9e, #fecfef); color: var(--coffee); }
.post-8 { background: linear-gradient(135deg, #a18cd1, #fbc2eb); }
.post-topic { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px; opacity: 0.9; margin-bottom: 0.5rem; display: block; }
.post-title { font-family: 'Playfair Display', serif; font-size: 1.3rem; line-height: 1.3; display: block; }
.post-overlay { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; gap: 1.5rem; opacity: 0; transition: var(--transition); color: white; font-weight: 600; }
.instagram-post:hover .post-overlay { opacity: 1; }
.scroll-hint { text-align: center; color: var(--muted); font-size: 0.85rem; }

/* YouTube */
.youtube-section { padding: 5rem 0; background: var(--cream); }
.youtube-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 2.5rem; flex-wrap: wrap; gap: 1rem; }
.youtube-header h2 { font-size: 2.5rem; margin-bottom: 0.3rem; }
.youtube-header p { color: var(--muted); }
.youtube-subscribe { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--youtube); color: white; padding: 0.7rem 1.3rem; border-radius: 50px; font-weight: 600; transition: var(--transition); }
.youtube-subscribe:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(255, 0, 0, 0.3); }
.youtube-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 1.5rem; }
.video-card { background: var(--white); border-radius: 18px; overflow: hidden; transition: var(--transition); box-shadow: var(--shadow-md); }
.video-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.video-card.featured { grid-row: span 2; }
.video-thumbnail { position: relative; width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--coffee), #3D2519); display: flex; align-items: center; justify-content: center; }
.video-card.featured .video-thumbnail { aspect-ratio: auto; height: 100%; min-height: 320px; }
.video-thumb-content { text-align: center; color: white; padding: 2rem; }
.video-topic { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 1.5px; opacity: 0.8; margin-bottom: 0.5rem; display: block; }
.video-title { font-family: 'Playfair Display', serif; font-size: 1.2rem; display: block; }
.video-card.featured .video-title { font-size: 1.6rem; }
.play-btn { position: absolute; width: 60px; height: 60px; background: var(--youtube); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-size: 1.5rem; transition: var(--transition); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3); }
.play-btn.small { width: 45px; height: 45px; font-size: 1.1rem; }
.video-card:hover .play-btn { transform: scale(1.15); }
.video-duration { position: absolute; bottom: 10px; right: 10px; background: rgba(0, 0, 0, 0.8); color: white; padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.video-info { padding: 1rem 1.3rem; }
.video-info h3 { font-family: 'DM Sans', sans-serif; font-size: 0.95rem; font-weight: 600; margin-bottom: 0.4rem; }
.video-meta { color: var(--muted); font-size: 0.8rem; display: flex; gap: 1rem; }
.youtube-side { display: flex; flex-direction: column; gap: 1.5rem; }

/* About */
.about { padding: 5rem 0; background: var(--cream); }
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 4rem; align-items: center; }
.about-image-wrapper { position: relative; max-width: 400px; }
.about-image { width: 100%; height: 500px; object-fit: cover; border-radius: 20px; box-shadow: var(--shadow-lg); }
.instagram-tag { position: absolute; bottom: 15px; left: 15px; background: white; padding: 0.6rem 1rem; border-radius: 10px; display: flex; align-items: center; gap: 0.6rem; box-shadow: var(--shadow-md); transition: var(--transition); }
.instagram-tag:hover { transform: scale(1.05); }
.instagram-tag-icon { width: 30px; height: 30px; background: var(--instagram); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-size: 0.9rem; }
.instagram-tag strong { display: block; font-size: 0.85rem; color: var(--coffee); }
.instagram-tag span { font-size: 0.7rem; color: var(--muted); display: block; }
.about-content h2 { font-size: 2.5rem; margin-bottom: 1.5rem; }
.about-content h2 span { color: var(--terracotta); }
.about-content p { color: var(--muted); font-size: 1.05rem; line-height: 1.9; margin-bottom: 1.2rem; }
.credentials { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.5rem; }
.credential { display: flex; align-items: center; gap: 0.5rem; background: var(--white); padding: 0.6rem 1rem; border-radius: 8px; font-size: 0.85rem; font-weight: 500; border: 1px solid rgba(44, 24, 16, 0.08); transition: var(--transition); }
.credential:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }

/* Ideal Students */
.ideal-students { padding: 5rem 0; background: var(--white); }
.ideal-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.ideal-card { background: var(--cream); padding: 2rem 1.5rem; border-radius: 18px; text-align: center; transition: var(--transition); border: 2px solid transparent; }
.ideal-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: var(--terracotta); }
.ideal-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.ideal-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.ideal-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }

/* How It Works */
.how-it-works { padding: 5rem 0; background: var(--cream); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.step { text-align: center; transition: var(--transition); }
.step:hover { transform: translateY(-5px); }
.step-number { width: 55px; height: 55px; background: var(--terracotta); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: 'Playfair Display', serif; font-size: 1.4rem; font-weight: 700; margin: 0 auto 1rem; box-shadow: 0 8px 20px rgba(196, 112, 63, 0.3); transition: var(--transition); }
.step:hover .step-number { transform: scale(1.1); }
.step h3 { font-family: 'DM Sans', sans-serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.step p { font-size: 0.9rem; color: var(--muted); line-height: 1.6; }

/* Pricing */
.pricing { padding: 5rem 0; background: var(--white); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.price-card { background: var(--cream); border-radius: 20px; padding: 2rem; text-align: center; transition: var(--transition); border: 2px solid transparent; position: relative; }
.price-card.featured { border-color: var(--terracotta); background: var(--white); }
.price-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--terracotta); color: white; padding: 0.3rem 1rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.price-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.price-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.price-card h3 { font-size: 1.4rem; margin-bottom: 0.5rem; }
.price-desc { font-size: 0.9rem; color: var(--muted); margin-bottom: 1.5rem; line-height: 1.6; }
.price-amount { font-size: 2.8rem; font-weight: 700; color: var(--terracotta); }
.price-period { font-size: 0.9rem; color: var(--muted); }
.price-savings { font-size: 0.85rem; color: var(--sage); margin-top: 0.5rem; font-weight: 600; }
.price-card .btn-primary { width: 100%; justify-content: center; margin-top: 1.5rem; }

/* Booking */
.booking-section { padding: 5rem 0; background: var(--cream); }
.booking-container { background: var(--white); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); display: grid; grid-template-columns: 1fr 1.2fr; }
.booking-info { background: linear-gradient(145deg, var(--coffee), #3D2519); padding: 2.5rem; color: white; }
.booking-info h3 { color: white; font-size: 1.8rem; margin-bottom: 1rem; }
.booking-info > p { opacity: 0.85; margin-bottom: 1.5rem; line-height: 1.7; }
.booking-features { list-style: none; }
.booking-features li { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.8rem; font-size: 0.9rem; }
.booking-features li::before { content: '✓'; color: var(--gold); font-weight: 700; }
.booking-widget { padding: 1.5rem; min-height: 400px; }
.widget-placeholder { text-align: center; color: var(--muted); padding: 3rem; border: 2px dashed rgba(44, 24, 16, 0.2); border-radius: 12px; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.widget-placeholder h4 { color: var(--coffee); margin-bottom: 0.5rem; }

/* Testimonials */
.testimonials { padding: 5rem 0; background: var(--white); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.testimonial { background: var(--cream); padding: 1.8rem; border-radius: 18px; transition: var(--transition); position: relative; }
.testimonial::before { content: '"'; font-family: 'Playfair Display', serif; font-size: 4rem; color: var(--terracotta); opacity: 0.15; position: absolute; top: 10px; left: 15px; line-height: 1; }
.testimonial:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.stars { color: var(--gold); margin-bottom: 0.8rem; }
.testimonial-text { font-size: 0.95rem; line-height: 1.8; margin-bottom: 1.2rem; position: relative; z-index: 1; }
.testimonial-author { display: flex; align-items: center; gap: 0.8rem; }
.author-avatar { width: 45px; height: 45px; background: linear-gradient(135deg, var(--gold), var(--terracotta)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: white; font-weight: 600; font-size: 0.9rem; }
.author-info strong { display: block; font-size: 0.95rem; color: var(--coffee); }
.author-info span { font-size: 0.8rem; color: var(--muted); }

/* FAQ */
.faq { padding: 5rem 0; background: var(--cream); }
.faq h2 { text-align: center; font-size: 2.5rem; margin-bottom: 2.5rem; }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(44, 24, 16, 0.1); }
.faq-item[open] { padding-bottom: 1rem; }
.faq-question { font-weight: 600; color: var(--coffee); font-size: 1.05rem; padding: 1.5rem 0; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--terracotta); transition: var(--transition); }
.faq-item[open] .faq-question::after { transform: rotate(45deg); }
.faq-answer { color: var(--muted); line-height: 1.7; padding-bottom: 0.5rem; }

/* CTA */
.cta { padding: 5rem 0; text-align: center; background: linear-gradient(135deg, var(--coffee), #3D2519); color: white; }
.cta h2 { color: white; font-size: 2.8rem; margin-bottom: 1rem; }
.cta p { font-size: 1.1rem; opacity: 0.9; max-width: 500px; margin: 0 auto 2rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--coffee); padding: 3rem 0 1.5rem; color: white; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 2rem; }
.footer-brand h3 { font-size: 1.4rem; margin-bottom: 0.8rem; color: white; }
.footer-brand h3 span { color: var(--gold); }
.footer-brand p { opacity: 0.7; font-size: 0.9rem; line-height: 1.6; }
.footer-social { display: flex; gap: 0.8rem; margin-top: 1rem; }
.footer-social a { width: 40px; height: 40px; background: rgba(255, 255, 255, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; transition: var(--transition); }
.footer-social a:hover { background: var(--terracotta); transform: scale(1.1); }
.footer-links h4 { font-family: 'DM Sans', sans-serif; font-size: 0.9rem; font-weight: 600; margin-bottom: 1rem; color: var(--gold); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { opacity: 0.7; font-size: 0.9rem; transition: var(--transition); }
.footer-links a:hover { opacity: 1; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 1.5rem; text-align: center; opacity: 0.6; font-size: 0.85rem; }

/* Back to Top */
.back-to-top { position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: var(--terracotta); color: white; border: none; border-radius: 50%; font-size: 1.2rem; cursor: pointer; opacity: 0; visibility: hidden; transition: var(--transition); box-shadow: var(--shadow-md); z-index: 99; }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--coral); transform: translateY(-3px); }

/* Responsive */
@media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; text-align: center; padding: 5rem 2rem 3rem; }
    .hero-content { max-width: 100%; }
    .hero h1 { font-size: 2.5rem; }
    .hero-visual { order: -1; }
    .hero-image-wrapper { width: 300px; height: 380px; }
    .hero-buttons, .hero-features { justify-content: center; }
    .float-card { display: none; }
    .free-class-banner { justify-content: center; text-align: center; }
    .about-grid { grid-template-columns: 1fr; text-align: center; }
    .about-image-wrapper { margin: 0 auto; }
    .credentials { justify-content: center; }
    .ideal-grid, .steps { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid, .testimonials-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .youtube-grid { grid-template-columns: 1fr; }
    .video-card.featured { grid-row: auto; }
    .youtube-side { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .booking-container { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .trust-bar { gap: 2rem; }
}

@media (max-width: 768px) {
    .navbar { padding: 1rem 1.5rem; }
    .nav-links, .nav-social { display: none; }
    .mobile-menu-btn { display: flex; }
    .mobile-menu { display: flex; }
    .section-header h2, .about-content h2, .cta h2, .faq h2 { font-size: 2rem; }
    .youtube-header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
    .hero { padding: 4rem 1.5rem 2rem; }
    .hero h1 { font-size: 2rem; }
    .hero-image-wrapper { width: 260px; height: 330px; }
    .ideal-grid, .steps { grid-template-columns: 1fr; }
    .youtube-side { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-social { justify-content: center; }
    .instagram-post { width: 220px; height: 220px; }
    .instagram-carousel { padding: 1.5rem; }
    .free-class-banner { padding: 1.5rem; }
    .free-class-content { flex-direction: column; text-align: center; }
    .trust-bar { padding: 2rem 1.5rem; gap: 1.5rem; }
    .trust-item { flex: 1 1 45%; justify-content: center; }
}