/* ===== NEDERLANDSACADEMY — Deep Blue + Light Blue + White, Clean Academic ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Merriweather:wght@700;900&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; color: #1e293b; background: #ffffff; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

:root {
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-light: #eff6ff;
  --accent: #3b82f6;
  --sky: #e0f2fe;
  --dark: #0f172a;
  --gray: #64748b;
  --light: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(29,78,216,0.06);
  --shadow-lg: 0 20px 60px rgba(29,78,216,0.10);
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-title { font-family: 'Merriweather', serif; font-size: 2.5rem; font-weight: 900; text-align: center; margin-bottom: 16px; color: var(--dark); }
.section-sub { text-align: center; color: var(--gray); font-size: 1.05rem; max-width: 620px; margin: 0 auto 56px; line-height: 1.7; }
.btn { display: inline-block; padding: 14px 32px; border-radius: 8px; font-weight: 600; font-size: 1rem; cursor: pointer; transition: all .25s; border: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(29,78,216,0.3); }
.btn-secondary { background: var(--primary-light); color: var(--primary); border: 2px solid transparent; }
.btn-secondary:hover { background: var(--primary); color: #fff; }
.btn-large { padding: 18px 40px; font-size: 1.05rem; }
.badge { display: inline-block; padding: 6px 18px; border-radius: 50px; font-size: .85rem; font-weight: 600; }

/* ===== NAV ===== */
.nav { position: fixed; top: 0; width: 100%; background: rgba(255,255,255,0.96); backdrop-filter: blur(16px); z-index: 1000; border-bottom: 1px solid var(--border); }
.nav .container { display: flex; justify-content: space-between; align-items: center; height: 68px; }
.nav-logo { font-family: 'Merriweather', serif; font-size: 1.3rem; font-weight: 900; color: var(--dark); }
.nav-logo span { color: var(--primary); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-weight: 500; color: var(--gray); transition: color .2s; font-size: .95rem; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { background: var(--primary) !important; color: #fff !important; padding: 10px 24px !important; border-radius: 8px !important; }
.nav-cta:hover { background: var(--primary-dark) !important; }
.mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--dark); }

/* ===== HERO ===== */
.hero { padding: 150px 0 80px; background: linear-gradient(180deg, var(--primary-light) 0%, #fff 100%); text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 800px; height: 800px; border-radius: 50%; background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%); }
.hero .container { position: relative; z-index: 1; max-width: 800px; }
.hero-badge { background: var(--sky); color: var(--primary); margin-bottom: 24px; }
.hero h1 { font-family: 'Merriweather', serif; font-size: 3.2rem; font-weight: 900; line-height: 1.2; margin-bottom: 24px; color: var(--dark); }
.hero h1 span { color: var(--primary); }
.hero-desc { font-size: 1.15rem; color: var(--gray); margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.hero-langs { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 48px; }
.hero-langs span { background: #fff; border: 1px solid var(--border); padding: 5px 14px; border-radius: 50px; font-size: .8rem; color: var(--gray); }
.hero-video { max-width: 700px; margin: 0 auto; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-lg); border: 4px solid #fff; position: relative; }
.hero-video img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.hero-video .play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 72px; height: 72px; background: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.8rem; box-shadow: 0 8px 30px rgba(29,78,216,0.4); cursor: pointer; transition: transform .2s; }
.hero-video .play-btn:hover { transform: translate(-50%,-50%) scale(1.1); }

/* ===== LEVEL BADGES ===== */
.levels-visual { display: flex; justify-content: center; gap: 0; margin-bottom: 60px; flex-wrap: wrap; }
.level-badge { display: flex; flex-direction: column; align-items: center; padding: 24px 32px; position: relative; }
.level-badge::after { content: ''; position: absolute; right: -2px; top: 50%; transform: translateY(-50%); width: 40px; height: 2px; background: var(--border); }
.level-badge:last-child::after { display: none; }
.level-circle { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; margin-bottom: 8px; }
.level-a1 .level-circle { background: #dcfce7; color: #16a34a; border: 3px solid #86efac; }
.level-a2 .level-circle { background: #e0f2fe; color: #0284c7; border: 3px solid #7dd3fc; }
.level-b1 .level-circle { background: #ede9fe; color: #7c3aed; border: 3px solid #c4b5fd; }
.level-b2 .level-circle { background: #fef3c7; color: #d97706; border: 3px solid #fcd34d; }
.level-label { font-weight: 600; font-size: .85rem; color: var(--gray); }

/* ===== STATS BAR ===== */
.stats-bar { background: var(--primary); padding: 32px 0; }
.stats-bar .container { display: flex; justify-content: center; gap: 80px; flex-wrap: wrap; }
.stat { text-align: center; color: #fff; }
.stat-number { font-family: 'Merriweather', serif; font-size: 2.2rem; font-weight: 900; }
.stat-label { font-size: .9rem; opacity: 0.85; margin-top: 2px; }

/* ===== FEATURES ===== */
.features { background: var(--light); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: #fff; padding: 0; border-radius: 16px; border: 1px solid var(--border); transition: all .3s; overflow: hidden; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.feature-img { width: 100%; height: 180px; object-fit: cover; }
.feature-body { padding: 28px; }
.feature-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.feature-card p { color: var(--gray); font-size: .93rem; line-height: 1.7; }

/* ===== AUDIO SECTION ===== */
.audio-section { background: var(--primary-light); padding: 100px 0; }
.audio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.audio-img { border-radius: 16px; box-shadow: var(--shadow-lg); width: 100%; }
.audio-content h2 { font-family: 'Merriweather', serif; font-size: 2rem; font-weight: 900; margin-bottom: 16px; color: var(--dark); }
.audio-content p { color: var(--gray); line-height: 1.7; margin-bottom: 24px; }
.audio-features { display: flex; flex-direction: column; gap: 12px; }
.audio-feature { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: #fff; border-radius: 10px; border: 1px solid var(--border); }
.audio-feature-icon { width: 36px; height: 36px; background: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; color: #fff; flex-shrink: 0; }
.audio-feature span { font-weight: 600; font-size: .95rem; }

/* ===== CURRICULUM ===== */
.curriculum-section { background: #fff; }
.curriculum-list { max-width: 700px; margin: 0 auto; position: relative; }
.curriculum-list::before { content: ''; position: absolute; left: 30px; top: 0; bottom: 0; width: 2px; background: var(--border); }
.curriculum-item { display: flex; gap: 24px; padding: 24px; background: var(--light); border-radius: 12px; border: 1px solid var(--border); margin-bottom: 16px; position: relative; transition: all .3s; }
.curriculum-item:hover { border-color: var(--primary); box-shadow: var(--shadow); background: #fff; }
.curriculum-num { width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; flex-shrink: 0; z-index: 1; }
.curriculum-item h4 { font-weight: 700; margin-bottom: 4px; color: var(--dark); }
.curriculum-item p { font-size: .9rem; color: var(--gray); }

/* ===== PRICING ===== */
.pricing { background: var(--light); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.pricing-card { background: #fff; border-radius: 16px; padding: 40px 32px; border: 2px solid var(--border); text-align: center; transition: all .3s; position: relative; }
.pricing-card:hover { box-shadow: var(--shadow-lg); }
.pricing-card.popular { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.pricing-card.popular::before { content: 'MEEST GEKOZEN'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 5px 22px; border-radius: 50px; font-size: .8rem; font-weight: 700; }
.pricing-name { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.pricing-price { font-family: 'Merriweather', serif; font-size: 3rem; font-weight: 900; color: var(--primary); }
.pricing-price small { font-size: 1rem; color: var(--gray); font-weight: 400; font-family: 'Inter', sans-serif; }
.pricing-desc { color: var(--gray); font-size: .95rem; margin: 8px 0 28px; }
.pricing-features { text-align: left; margin-bottom: 32px; }
.pricing-features li { padding: 8px 0; font-size: .93rem; display: flex; gap: 10px; align-items: start; }
.pricing-features li::before { content: '\2713'; color: var(--primary); font-weight: 700; flex-shrink: 0; }
.pricing-card .btn { width: 100%; }

/* ===== TESTIMONIALS ===== */
.testimonials-section { background: #fff; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: var(--light); padding: 32px; border-radius: 16px; border: 1px solid var(--border); transition: all .3s; }
.testimonial-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.testimonial-stars { color: #f59e0b; font-size: 1.1rem; margin-bottom: 14px; }
.testimonial-text { color: var(--dark); margin-bottom: 24px; line-height: 1.8; font-size: .95rem; }
.testimonial-author { display: flex; align-items: center; gap: 14px; }
.testimonial-avatar { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; border: 3px solid var(--sky); }
.testimonial-name { font-weight: 700; color: var(--dark); }
.testimonial-role { font-size: .85rem; color: var(--gray); }

/* ===== FAQ ===== */
.faq { background: var(--light); }
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { background: #fff; border-radius: 12px; border: 1px solid var(--border); margin-bottom: 10px; overflow: hidden; transition: all .2s; }
.faq-item.active { border-color: var(--primary); }
.faq-question { width: 100%; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; background: none; border: none; cursor: pointer; font-size: 1rem; font-weight: 600; text-align: left; color: var(--dark); font-family: 'Inter', sans-serif; }
.faq-question::after { content: '+'; font-size: 1.4rem; color: var(--primary); font-weight: 700; transition: transform .3s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: all .3s ease; }
.faq-item.active .faq-answer { padding: 0 24px 20px; max-height: 200px; }
.faq-answer p { color: var(--gray); line-height: 1.7; }

/* ===== CTA ===== */
.cta { background: var(--primary); color: #fff; text-align: center; padding: 100px 0; position: relative; overflow: hidden; }
.cta::before { content: ''; position: absolute; top: -200px; right: -200px; width: 500px; height: 500px; border-radius: 50%; background: rgba(255,255,255,0.05); }
.cta h2 { font-family: 'Merriweather', serif; font-size: 2.4rem; font-weight: 900; margin-bottom: 16px; }
.cta p { color: rgba(255,255,255,.8); font-size: 1.1rem; margin-bottom: 36px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta .btn-primary { background: #fff; color: var(--primary); }
.cta .btn-primary:hover { background: var(--dark); color: #fff; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); color: rgba(255,255,255,.6); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand h3 { font-family: 'Merriweather', serif; color: #fff; font-size: 1.3rem; margin-bottom: 14px; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { line-height: 1.7; font-size: .9rem; }
.footer-col h4 { color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; padding: 4px 0; font-size: .9rem; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 24px; text-align: center; font-size: .85rem; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* ===== MOBILE NAV ===== */
.nav-links.show {
  display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
  background: #fff; padding: 20px; box-shadow: var(--shadow-lg); gap: 12px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-video { margin: 0 16px; }
  .features-grid, .pricing-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .stats-bar .container { gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .section-title { font-size: 1.9rem; }
  .section { padding: 70px 0; }
  .levels-visual { gap: 0; }
  .level-badge { padding: 16px; }
  .level-badge::after { width: 20px; }
  .audio-grid { grid-template-columns: 1fr; }
  .audio-img { max-height: 300px; object-fit: cover; }
}