:root {
    --primary-gold: #F4A623;
    --primary-purple: #9C4DE8;
    --dark-bg: #0A0A14;
    --dark-purple: #1A0B2E;
    --accent-cyan: #00D9FF;
    --text-light: #E8E8F0;
    --text-muted: #9B9BAF;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'DM Sans', sans-serif; background: var(--dark-bg); color: var(--text-light); overflow-x: hidden; line-height: 1.6; }
h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; font-weight: 700; }

/* ── Nav ─────────────────────────────── */
nav { position: fixed; top: 0; width: 100%; padding: 1.2rem 5%; background: rgba(10,10,20,0.9); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(156,77,232,0.2); z-index: 1000; }
.nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.logo { display: inline-flex; align-items: center; gap: 0.65rem; font-family: 'Syne',sans-serif; font-size: 1.4rem; font-weight: 800; text-decoration: none; }
.logo img { width: 38px; height: 38px; object-fit: contain; }
.logo span { background: linear-gradient(135deg, var(--primary-gold), var(--primary-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; gap: 1.5rem; list-style: none; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--text-light); }
.cta-button { padding: 0.75rem 1.75rem; background: linear-gradient(135deg, var(--primary-gold), #F4C623); color: var(--dark-bg); border: none; border-radius: 50px; font-weight: 700; font-size: 0.92rem; cursor: pointer; transition: all 0.3s ease; text-decoration: none; display: inline-block; white-space: nowrap; }
.cta-button:hover { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,166,35,0.4); }
.secondary-button { padding: 0.75rem 1.75rem; background: transparent; color: var(--text-light); border: 2px solid rgba(156,77,232,0.5); border-radius: 50px; font-weight: 600; font-size: 0.92rem; cursor: pointer; transition: all 0.3s ease; text-decoration: none; display: inline-block; white-space: nowrap; }
.secondary-button:hover { border-color: var(--primary-gold); color: var(--primary-gold); }

/* ── Domain Hero ─────────────────────── */
.domain-hero { padding: 7rem 6% 4rem; max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.domain-breadcrumb { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.75rem; }
.domain-breadcrumb a { color: var(--primary-gold); text-decoration: none; }
.domain-tag { display: inline-block; padding: 0.3rem 1rem; background: rgba(156,77,232,0.15); border: 1px solid rgba(156,77,232,0.3); border-radius: 50px; font-size: 0.82rem; color: var(--primary-purple); margin-bottom: 1rem; font-weight: 600; }
.domain-hero h1 { font-size: 2.8rem; line-height: 1.2; margin-bottom: 1rem; }
.domain-hero p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 1.75rem; max-width: 560px; }
.domain-hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.domain-stats { display: flex; gap: 2rem; flex-wrap: wrap; }
.dstat { text-align: center; }
.dstat span { display: block; font-family: 'Syne',sans-serif; font-size: 1.6rem; font-weight: 800; color: var(--primary-gold); }
.dstat { font-size: 0.82rem; color: var(--text-muted); }
.domain-hero-img img { width: 100%; border-radius: 20px; border: 1px solid rgba(156,77,232,0.25); }
.gradient-text { background: linear-gradient(135deg, var(--primary-gold), var(--primary-purple)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── Section Header ──────────────────── */
.section-header { text-align: center; padding: 0 5% 2rem; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 0.75rem; }
.section-header p { color: var(--text-muted); font-size: 1.05rem; }

/* ── Domain Courses ──────────────────── */
.domain-courses { padding: 4rem 5%; max-width: 1400px; margin: 0 auto; }
.domain-course-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(520px, 1fr)); gap: 2rem; }

.domain-course-card { background: rgba(26,11,46,0.5); border: 1px solid rgba(156,77,232,0.25); border-radius: 20px; overflow: hidden; transition: transform 0.3s, border-color 0.3s; }
.domain-course-card:hover { transform: translateY(-6px); border-color: var(--primary-gold); box-shadow: 0 20px 50px rgba(156,77,232,0.2); }
.domain-course-card.featured { border-color: rgba(244,166,35,0.4); }

.dc-badge-row { display: flex; gap: 0.5rem; padding: 0.85rem 1.25rem 0; flex-wrap: wrap; }
.dc-badge { padding: 0.25rem 0.75rem; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.dc-badge.nasscom { background: rgba(156,77,232,0.2); color: var(--primary-purple); border: 1px solid rgba(156,77,232,0.4); }
.dc-badge.popular { background: rgba(244,166,35,0.2); color: var(--primary-gold); border: 1px solid rgba(244,166,35,0.4); }
.dc-badge.comprehensive { background: rgba(0,217,255,0.15); color: var(--accent-cyan); border: 1px solid rgba(0,217,255,0.3); }
.dc-badge.new { background: rgba(74,222,128,0.15); color: #4ade80; border: 1px solid rgba(74,222,128,0.3); }
.dc-badge:not(.nasscom):not(.popular):not(.comprehensive):not(.new) { background: rgba(255,255,255,0.07); color: var(--text-muted); border: 1px solid rgba(255,255,255,0.12); }

.dc-img-wrap { width: 100%; height: 220px; overflow: hidden; }
.dc-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.domain-course-card:hover .dc-img-wrap img { transform: scale(1.04); }

.dc-body { padding: 1.5rem; }
.dc-body h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.dc-meta { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.85rem; }
.dc-meta span { display: flex; align-items: center; gap: 0.3rem; }
.dc-desc { color: var(--text-muted); font-size: 0.93rem; margin-bottom: 1.1rem; line-height: 1.55; }

.dc-curriculum { background: rgba(255,255,255,0.03); border: 1px solid rgba(156,77,232,0.15); border-radius: 12px; padding: 1rem 1.25rem; margin-bottom: 1.1rem; }
.dc-curriculum h5 { font-size: 0.85rem; color: var(--primary-gold); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.6rem; }
.dc-curriculum ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0.3rem; }
.dc-curriculum li { font-size: 0.83rem; color: var(--text-muted); padding-left: 1rem; position: relative; }
.dc-curriculum li::before { content: '✓'; position: absolute; left: 0; color: var(--primary-purple); font-weight: 700; }

.dc-info-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 0.6rem; margin-bottom: 1.25rem; }
.dc-info-grid div { background: rgba(255,255,255,0.04); border-radius: 8px; padding: 0.5rem 0.75rem; }
.dc-info-grid strong { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.15rem; }
.dc-info-grid span { font-size: 0.88rem; color: var(--text-light); font-weight: 600; }

.enroll-btn { width: 100%; padding: 0.85rem; background: linear-gradient(135deg, var(--primary-gold), #F4C623); color: var(--dark-bg); border: none; border-radius: 50px; font-weight: 700; font-size: 1rem; cursor: pointer; transition: all 0.3s ease; font-family: 'DM Sans', sans-serif; }
.enroll-btn:hover { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,166,35,0.4); }

/* ── Domain CTA ──────────────────────── */
.domain-cta { text-align: center; padding: 5rem 5%; background: linear-gradient(135deg, rgba(156,77,232,0.12), rgba(244,166,35,0.08)); border-top: 1px solid rgba(156,77,232,0.2); border-bottom: 1px solid rgba(156,77,232,0.2); margin: 3rem 0 0; }
.domain-cta h2 { font-size: 2.2rem; margin-bottom: 0.75rem; }
.domain-cta p { color: var(--text-muted); margin-bottom: 1.75rem; font-size: 1.05rem; }

/* ── Footer ──────────────────────────── */
.domain-footer { background: rgba(26,11,46,0.8); border-top: 1px solid rgba(156,77,232,0.2); padding: 3rem 5%; }
.footer-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.footer-inner .logo { justify-content: center; margin-bottom: 1rem; }
.footer-inner > p { color: var(--text-muted); font-size: 0.88rem; margin-bottom: 1.25rem; }
.footer-inner > p a { color: var(--primary-gold); text-decoration: none; }
.footer-links-row { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; margin-bottom: 1.25rem; }
.footer-links-row a { color: var(--text-muted); text-decoration: none; font-size: 0.88rem; transition: color 0.3s; }
.footer-links-row a:hover { color: var(--primary-gold); }
.social-links { display: flex; gap: 0.75rem; justify-content: center; margin-bottom: 1rem; }
.social-links a { width: 36px; height: 36px; border-radius: 50%; background: rgba(156,77,232,0.15); border: 1px solid rgba(156,77,232,0.3); color: var(--text-light); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; text-decoration: none; transition: all 0.3s; }
.social-links a:hover { background: var(--primary-purple); border-color: var(--primary-purple); }
.copyright { font-size: 0.8rem; color: var(--text-muted); }

/* ── WhatsApp + Back to top ──────────── */
.whatsapp-btn { position: fixed; bottom: 5.5rem; right: 2rem; width: 52px; height: 52px; border-radius: 50%; background: #25D366; color: #fff; font-size: 1.5rem; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 24px rgba(37,211,102,0.5); text-decoration: none; z-index: 998; transition: all 0.3s ease; }
.whatsapp-btn:hover { background: #128C7E; transform: scale(1.1); }
.back-to-top { position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary-purple), #6a1de0); border: none; color: #fff; font-size: 1.1rem; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(156,77,232,0.4); opacity: 0; transform: translateY(20px); transition: all 0.3s ease; z-index: 999; text-decoration: none; }
.back-to-top.visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: linear-gradient(135deg, var(--primary-gold), #F4C623); color: var(--dark-bg); }

/* ── Modal ───────────────────────────── */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(6px); z-index: 2000; align-items: center; justify-content: center; padding: 1rem; }
.modal-overlay.open { display: flex; }
.modal-box { background: var(--dark-purple); border: 1px solid rgba(156,77,232,0.4); border-radius: 20px; padding: 2rem; width: 100%; max-width: 460px; position: relative; animation: modalIn 0.3s ease; }
@keyframes modalIn { from { transform:scale(0.9);opacity:0 } to { transform:scale(1);opacity:1 } }
.modal-close { position: absolute; top: 1rem; right: 1.25rem; background: none; border: none; color: var(--text-muted); font-size: 1.4rem; cursor: pointer; transition: color 0.2s; }
.modal-close:hover { color: var(--primary-gold); }
.modal-box h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.modal-course-name { color: var(--primary-gold); font-size: 0.95rem; margin-bottom: 1.25rem; display: block; }
.form-group { margin-bottom: 0.85rem; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.35rem; }
.form-group input, .form-group select { width: 100%; padding: 0.7rem 0.9rem; background: rgba(255,255,255,0.05); border: 1px solid rgba(156,77,232,0.3); border-radius: 10px; color: var(--text-light); font-size: 0.92rem; font-family: 'DM Sans',sans-serif; outline: none; transition: border-color 0.3s; }
.form-group input:focus, .form-group select:focus { border-color: var(--primary-purple); }
.modal-submit { width: 100%; padding: 0.85rem; background: linear-gradient(135deg, var(--primary-gold), #F4C623); color: var(--dark-bg); border: none; border-radius: 50px; font-weight: 700; font-size: 0.95rem; cursor: pointer; margin-top: 0.4rem; transition: all 0.3s; font-family: 'DM Sans',sans-serif; }
.modal-submit:hover { filter: brightness(1.1); transform: translateY(-2px); }
.modal-success { display: none; text-align: center; padding: 1rem; color: #4ade80; font-weight: 600; }
.modal-success.show { display: block; }

/* ── Responsive ──────────────────────── */
@media (max-width: 900px) {
    .domain-hero { grid-template-columns: 1fr; }
    .domain-hero-img { display: none; }
    .domain-hero h1 { font-size: 2.2rem; }
    .domain-course-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .dc-curriculum ul { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .domain-hero { padding: 6rem 5% 2.5rem; }
    .domain-hero h1 { font-size: 1.8rem; }
    .section-header h2 { font-size: 1.8rem; }
    .domain-cta h2 { font-size: 1.7rem; }
    .dc-info-grid { grid-template-columns: 1fr; }
    .whatsapp-btn { right: 1rem; bottom: 5rem; width: 46px; height: 46px; font-size: 1.3rem; }
    .back-to-top { right: 1rem; bottom: 1rem; }
}