:root {
    --primary: #4F46E5;
    --primary-hover: #4338CA;
    --secondary: #8B5CF6;
    --bg-main: #F8FAFC;
    --bg-surface: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --success: #10B981;
    --warning: #F59E0B;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, sans-serif; background: var(--bg-main); color: var(--text-main); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; display: block; }
*:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.mb-4 { margin-bottom: 1.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.w-100 { width: 100%; }
.bg-light { background-color: #F1F5F9; }
.py-lg { padding: 4rem 0; }
.section { padding: 3rem 0; }
.alert { padding: 1rem; border-radius: var(--radius); border-left: 4px solid var(--warning); background: #FFFBEB; color: #92400E; }

/* Buttons */
.btn { display: inline-block; padding: 0.75rem 1.5rem; border-radius: var(--radius); font-weight: 600; cursor: pointer; transition: var(--transition); border: none; text-align: center; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover, .btn-outline.active { background: var(--primary); color: white; }

/* Navbar */
.navbar { background: var(--bg-surface); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; padding: 1rem 0; }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; font-size: 1.25rem; color: var(--text-main); }
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { color: var(--text-main); font-weight: 500; }
.nav-links a:hover, .nav-links a.active-link { color: var(--primary); }
.nav-actions { display: flex; gap: 1rem; }
.mobile-menu-btn { display: none; background: none; border: none; cursor: pointer; color: var(--text-main); }

/* Layouts */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.hero-grid, .content-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.row-reverse { direction: ltr; }

/* Cards */
.card { background: var(--bg-surface); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.card:hover { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); }
.video-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.video-thumbnail { position: relative; background: #E2E8F0; aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center; }
.video-duration { position: absolute; bottom: 0.5rem; right: 0.5rem; background: rgba(0,0,0,0.7); color: white; font-size: 0.75rem; padding: 0.2rem 0.5rem; border-radius: 4px; }
.video-info { padding: 1.25rem; flex: 1; display: flex; flex-direction: column; }
.category-tag { font-size: 0.75rem; font-weight: 600; color: var(--secondary); text-transform: uppercase; margin-bottom: 0.5rem; display: inline-block; }
.video-meta { margin-top: auto; padding-top: 1rem; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border); }
.points-badge { background: #EEF2FF; color: var(--primary); padding: 0.25rem 0.75rem; border-radius: 20px; font-weight: 600; font-size: 0.875rem; }

/* Modals */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.5); z-index: 1000; justify-content: center; align-items: center; padding: 1rem; }
.modal.active { display: flex; }
.modal-content { background: var(--bg-surface); padding: 2rem; border-radius: var(--radius); width: 100%; max-width: 400px; position: relative; }
.modal-lg { max-width: 800px; }
.close-btn { position: absolute; top: 1rem; right: 1rem; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); }
.form-group { margin-bottom: 1.25rem; text-align: left; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; font-size: 0.875rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.75rem; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; }

/* Cookie Banner */
.cookie-banner { display: none; position: fixed; bottom: 0; left: 0; width: 100%; background: var(--bg-surface); box-shadow: 0 -4px 6px rgba(0,0,0,0.1); padding: 1rem 0; z-index: 999; border-top: 1px solid var(--border); }
.cookie-container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.cookie-actions { display: flex; gap: 0.5rem; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question { width: 100%; text-align: left; padding: 1.25rem 0; background: none; border: none; font-size: 1.1rem; font-weight: 600; cursor: pointer; color: var(--text-main); display: flex; justify-content: space-between; }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--primary); }
.faq-question[aria-expanded="true"]::after { content: '-'; }
.faq-answer { display: none; padding-bottom: 1.25rem; color: var(--text-muted); }
.faq-answer.active { display: block; }

/* Tables */
.styled-table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9em; box-shadow: 0 0 20px rgba(0,0,0,0.05); }
.styled-table thead tr { background-color: var(--primary); color: white; text-align: left; }
.styled-table th, .styled-table td { padding: 12px 15px; border-bottom: 1px solid var(--border); }
.styled-table tbody tr:last-of-type { border-bottom: 2px solid var(--primary); }

/* Footer */
.footer { background: #0F172A; color: #F8FAFC; padding: 4rem 0 2rem; margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.footer h4 { color: white; margin-bottom: 1.25rem; }
.footer a { color: #CBD5E1; display: block; margin-bottom: 0.75rem; }
.footer a:hover { color: var(--primary); }
.compliance-disclaimer { background: rgba(255,255,255,0.05); padding: 1.5rem; border-radius: var(--radius); margin-bottom: 2rem; font-size: 0.875rem; border: 1px solid rgba(255,255,255,0.1); }
.compliance-disclaimer ul { margin-top: 0.5rem; padding-left: 1.5rem; }
.footer-bottom { text-align: center; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,0.1); color: #94A3B8; font-size: 0.875rem; }

/* Trust Strip */
.trust-strip { background: var(--bg-surface); padding: 2rem 0; border-bottom: 1px solid var(--border); }
.trust-flex { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 2rem; }
.trust-item { display: flex; align-items: center; gap: 1rem; font-weight: 600; }

@media (max-width: 768px) {
    .nav-links, .nav-actions { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-grid, .content-wrapper { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cookie-container { flex-direction: column; text-align: center; }
    .nav-links.active-menu { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background: var(--bg-surface); padding: 1rem; box-shadow: var(--shadow); }
    .nav-actions.active-menu { display: flex; flex-direction: column; position: absolute; top: calc(100% + 200px); left: 0; width: 100%; background: var(--bg-surface); padding: 1rem; }
}