:root {
    --bg-dark: #09090b;
    --bg-card: #18181b;
    --bg-card-hover: #27272a;
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --accent-blue: #3b82f6;
    --accent-pink: #ec4899;
    --accent-orange: #f97316;
    --accent-green: #22c55e;
    --accent-cyan: #06b6d4;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: rgba(255,255,255,0.1);
    --border-light: rgba(255,255,255,0.06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background: var(--bg-dark); color: var(--text-primary); line-height: 1.7; }

/* Background */
.bg-gradient {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none; z-index: -1;
    background: radial-gradient(ellipse 100% 80% at 50% -30%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse 60% 50% at 100% 0%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
}

/* Site Navigation */
.site-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 0.75rem 2rem; background: rgba(9, 9, 11, 0.95);
    border-bottom: 1px solid var(--border-light); backdrop-filter: blur(20px);
}
.site-nav-container { max-width: 1400px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.35rem; color: var(--text-primary); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--primary), var(--accent-pink)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; }
.site-nav-links { display: flex; gap: 2rem; list-style: none; }
.site-nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.3s; }
.site-nav-links a:hover, .site-nav-links a.active { color: var(--primary-light); }
.mobile-menu-btn { display: none; flex-direction: column; gap: 4px; cursor: pointer; padding: 8px; background: none; border: none; }
.mobile-menu-btn span { width: 20px; height: 2px; background: var(--text-primary); }

/* Topic Header */
.topic-header {
    margin-top: 57px; background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    border-bottom: 1px solid var(--border); position: relative;
}
.topic-header::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 100%;
    background: radial-gradient(ellipse 80% 100% at 20% 0%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}
.topic-header-container { max-width: 1400px; margin: 0 auto; padding: 2rem; position: relative; z-index: 1; }

/* Breadcrumb */
.topic-breadcrumb { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.topic-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.topic-breadcrumb a:hover { color: var(--primary-light); }
.topic-breadcrumb span { color: var(--text-secondary); }

/* Topic Title Area */
.topic-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 2rem; margin-bottom: 1.5rem; }
.topic-title-content { flex: 1; }
.topic-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.8rem; background: rgba(139, 92, 246, 0.15); border: 1px solid rgba(139, 92, 246, 0.3); border-radius: 6px; font-size: 0.75rem; color: var(--primary-light); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.75rem; }
.topic-title { font-family: 'Sora', sans-serif; font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.75rem; }
.topic-title-icon { width: 48px; height: 48px; background: linear-gradient(135deg, var(--primary), var(--accent-pink)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.topic-subtitle { color: var(--text-secondary); font-size: 1rem; max-width: 600px; }

/* Quick Links */
.topic-quick-links { display: flex; flex-direction: column; gap: 0.5rem; min-width: 280px; }
.topic-quick-links-title { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; margin-bottom: 0.25rem; }
.quick-link { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 1rem; background: rgba(255,255,255,0.03); border: 1px solid var(--border); border-radius: 10px; color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; transition: all 0.3s; }
.quick-link:hover { background: rgba(139, 92, 246, 0.1); border-color: var(--primary); color: var(--text-primary); }
.quick-link-icon { width: 28px; height: 28px; background: var(--bg-card); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; }
.quick-link-text { flex: 1; }
.quick-link-arrow { color: var(--text-muted); font-size: 0.8rem; transition: transform 0.3s; }
.quick-link:hover .quick-link-arrow { transform: translateX(3px); }

/* Topic Meta */
.topic-meta { display: flex; flex-wrap: wrap; gap: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border-light); }
.topic-meta-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; color: var(--text-muted); }
.topic-meta-value { color: var(--text-secondary); font-weight: 500; }

/* Topic Internal Navigation */
.topic-nav { background: var(--bg-card); border-bottom: 1px solid var(--border); position: sticky; top: 57px; z-index: 100; }
.topic-nav-container { max-width: 1400px; margin: 0 auto; padding: 0 2rem; display: flex; gap: 0; overflow-x: auto; scrollbar-width: none; }
.topic-nav-container::-webkit-scrollbar { display: none; }
.topic-nav-item { display: flex; align-items: center; gap: 0.5rem; padding: 1rem 1.25rem; color: var(--text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; white-space: nowrap; border-bottom: 2px solid transparent; transition: all 0.3s; }
.topic-nav-item:hover { color: var(--text-secondary); background: rgba(255,255,255,0.02); }
.topic-nav-item.active { color: var(--primary-light); border-bottom-color: var(--primary); }

/* Common Styles */
.section { padding: 5rem 2rem; }
.section-alt { background: var(--bg-card); }
.container { max-width: 1400px; margin: 0 auto; }
.section-header { text-align: center; max-width: 800px; margin: 0 auto 3.5rem; }
.section-label { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 1rem; background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.2); border-radius: 50px; font-size: 0.8rem; color: var(--primary-light); margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
h2 { font-family: 'Sora', sans-serif; font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 700; margin-bottom: 1rem; }
.section-subtitle { color: var(--text-secondary); font-size: 1.05rem; }
.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.5rem; border-radius: 10px; font-size: 0.95rem; font-weight: 600; text-decoration: none; transition: all 0.3s; cursor: pointer; border: none; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; box-shadow: 0 4px 20px rgba(139, 92, 246, 0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35); }
.btn-outline { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); background: rgba(139, 92, 246, 0.1); }

/* Hero */
.hero { padding: 4rem 2rem; }
.hero-container { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-content { animation: fadeInUp 0.8s ease-out; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.hero-tagline { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.4rem 0.8rem; background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.3); border-radius: 6px; font-size: 0.8rem; color: var(--accent-green); font-weight: 600; margin-bottom: 1.5rem; }
.hero h1 { font-family: 'Sora', sans-serif; font-size: clamp(2.25rem, 4.5vw, 3.5rem); font-weight: 800; line-height: 1.15; margin-bottom: 1.25rem; }
.hero h1 .gradient-text { background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 50%, var(--accent-orange) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-description { font-size: 1.1rem; color: var(--text-secondary); margin-bottom: 2rem; max-width: 520px; }
.hero-stats { display: flex; gap: 2rem; margin-bottom: 2rem; }
.hero-stat-number { font-family: 'Sora', sans-serif; font-size: 1.5rem; font-weight: 700; }
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); }
.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-visual { animation: fadeInUp 0.8s ease-out 0.2s both; }
.hero-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; transform: perspective(1000px) rotateY(-5deg); }
.gallery-item { aspect-ratio: 1; border-radius: 12px; position: relative; transition: all 0.4s; border: 1px solid var(--border); overflow: hidden; }
.gallery-item:hover { transform: scale(1.05); border-color: var(--primary); }
.gallery-item::before { content: ''; position: absolute; inset: 0; opacity: 0.85; }
.gallery-item:nth-child(1)::before { background: linear-gradient(135deg, #667eea, #764ba2); }
.gallery-item:nth-child(2)::before { background: linear-gradient(135deg, #f093fb, #f5576c); }
.gallery-item:nth-child(3)::before { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.gallery-item:nth-child(4)::before { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.gallery-item:nth-child(5)::before { background: linear-gradient(135deg, #fa709a, #fee140); }
.gallery-item:nth-child(6)::before { background: linear-gradient(135deg, #a18cd1, #fbc2eb); }
.gallery-item-label { position: absolute; bottom: 0.5rem; left: 0.5rem; font-size: 0.65rem; color: rgba(255,255,255,0.9); background: rgba(0,0,0,0.4); padding: 0.2rem 0.5rem; border-radius: 4px; z-index: 1; }

/* Intro Grid */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.intro-content h3 { font-family: 'Sora', sans-serif; font-size: 1.35rem; font-weight: 600; margin-bottom: 0.75rem; margin-top: 2rem; }
.intro-content h3:first-of-type { margin-top: 0; }
.intro-content p { color: var(--text-secondary); font-size: 1rem; margin-bottom: 1rem; }
.intro-visual { background: var(--bg-card); border-radius: 20px; border: 1px solid var(--border); padding: 1.5rem; position: sticky; top: 140px; }
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--primary), var(--accent-pink), var(--accent-blue)); border-radius: 2px; }
.timeline-item { position: relative; padding-bottom: 1.25rem; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before { content: ''; position: absolute; left: -1.5rem; top: 6px; width: 10px; height: 10px; background: var(--primary); border-radius: 50%; transform: translateX(-4px); }
.timeline-date { font-size: 0.75rem; color: var(--primary-light); font-weight: 600; margin-bottom: 0.15rem; }
.timeline-title { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 0.95rem; margin-bottom: 0.15rem; }
.timeline-desc { font-size: 0.8rem; color: var(--text-muted); }

/* Versions */
.versions-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; }
.version-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; position: relative; transition: all 0.3s; }
.version-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.version-card.current { border-color: var(--primary); background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.05)); }
.version-card.current::before { content: 'CURRENT'; position: absolute; top: 1rem; right: 1rem; background: var(--primary); color: white; padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.65rem; font-weight: 700; }
.version-number { font-family: 'Sora', sans-serif; font-size: 1.75rem; font-weight: 800; background: linear-gradient(135deg, var(--primary), var(--accent-pink)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 0.25rem; }
.version-date { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1rem; }
.version-features { list-style: none; }
.version-features li { display: flex; align-items: flex-start; gap: 0.4rem; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.4rem; }
.version-features li::before { content: '✓'; color: var(--accent-green); font-weight: 700; font-size: 0.8rem; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 1.75rem; position: relative; transition: all 0.3s; }
.pricing-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.pricing-card.popular { border-color: var(--primary); background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), transparent); }
.pricing-card.popular::before { content: 'MOST POPULAR'; position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--primary), var(--accent-pink)); color: white; padding: 0.3rem 0.85rem; border-radius: 50px; font-size: 0.65rem; font-weight: 700; }
.pricing-name { font-family: 'Sora', sans-serif; font-size: 1.15rem; font-weight: 700; margin-bottom: 0.35rem; }
.pricing-price { font-family: 'Sora', sans-serif; font-size: 2.25rem; font-weight: 800; margin-bottom: 0.15rem; }
.pricing-price span { font-size: 0.95rem; font-weight: 400; color: var(--text-muted); }
.pricing-annual { font-size: 0.8rem; color: var(--accent-green); margin-bottom: 1.25rem; }
.pricing-features { list-style: none; margin-bottom: 1.25rem; }
.pricing-features li { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: var(--text-secondary); padding: 0.4rem 0; border-bottom: 1px solid var(--border-light); }
.pricing-features li:last-child { border-bottom: none; }
.pricing-features .check { color: var(--accent-green); }
.pricing-features .cross { color: var(--text-muted); }
.pricing-btn { width: 100%; justify-content: center; padding: 0.65rem 1rem; font-size: 0.9rem; }

/* Parameters */
.params-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.param-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem; transition: all 0.3s; }
.param-card:hover { border-color: var(--primary); }
.param-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.param-icon { width: 40px; height: 40px; background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(236, 72, 153, 0.1)); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; }
.param-name { font-family: 'JetBrains Mono', monospace; font-size: 1rem; font-weight: 600; color: var(--primary-light); }
.param-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 0.75rem; line-height: 1.6; }
.param-example { background: var(--bg-dark); border-radius: 8px; padding: 0.75rem 1rem; font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--accent-cyan); }

/* Video Features */
.video-features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2.5rem; }
.video-feature { text-align: center; padding: 1.75rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; transition: all 0.3s; }
.video-feature:hover { border-color: var(--accent-pink); transform: translateY(-4px); }
.video-feature-icon { width: 64px; height: 64px; margin: 0 auto 1.25rem; background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(139, 92, 246, 0.1)); border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.video-feature h3 { font-family: 'Sora', sans-serif; font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; }
.video-feature p { color: var(--text-secondary); font-size: 0.9rem; }
.video-specs { background: var(--bg-card); border-radius: 16px; padding: 1.5rem; margin-top: 2rem; border: 1px solid var(--border); }
.video-specs h3 { font-family: 'Sora', sans-serif; font-weight: 600; margin-bottom: 1rem; font-size: 1.1rem; }
.video-specs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.video-spec-item h4 { color: var(--primary-light); font-size: 0.8rem; margin-bottom: 0.35rem; font-weight: 600; }
.video-spec-item p { color: var(--text-secondary); font-size: 0.9rem; }

/* Tips */
.tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.tip-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; padding-top: 2rem; position: relative; transition: all 0.3s; }
.tip-card:hover { border-color: var(--accent-blue); }
.tip-number { position: absolute; top: -12px; left: 1.5rem; width: 32px; height: 32px; background: linear-gradient(135deg, var(--accent-blue), var(--primary)); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-family: 'Sora', sans-serif; font-weight: 700; font-size: 0.9rem; }
.tip-card h3 { font-family: 'Sora', sans-serif; font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.tip-card p { color: var(--text-secondary); font-size: 0.9rem; }

/* Comparison Table */
.comparison-wrapper { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; background: var(--bg-card); border-radius: 16px; overflow: hidden; border: 1px solid var(--border); font-size: 0.9rem; }
.comparison-table th, .comparison-table td { padding: 1rem 1.25rem; text-align: left; border-bottom: 1px solid var(--border-light); }
.comparison-table th { background: rgba(139, 92, 246, 0.1); font-family: 'Sora', sans-serif; font-weight: 600; font-size: 0.85rem; }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table td { color: var(--text-secondary); }
.comparison-table .check { color: var(--accent-green); font-size: 1.1rem; }
.comparison-table .cross { color: var(--text-muted); font-size: 1.1rem; }
.comparison-table .highlight { color: var(--primary-light); font-weight: 600; }

/* FAQ */
.faq-grid { max-width: 850px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 0.75rem; overflow: hidden; transition: all 0.3s; }
.faq-item:hover { border-color: rgba(139, 92, 246, 0.5); }
.faq-question { width: 100%; padding: 1.25rem; background: transparent; border: none; color: var(--text-primary); font-family: 'Sora', sans-serif; font-size: 1rem; font-weight: 600; text-align: left; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-question::after { content: '+'; font-size: 1.25rem; color: var(--primary); transition: transform 0.3s; }
.faq-item.active .faq-question::after { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; }
.faq-answer-content { padding: 0 1.25rem 1.25rem; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7; }
.faq-item.active .faq-answer { max-height: 400px; }

/* Reviews Section */
.reviews-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-bottom: 2.5rem; }
.review-platform { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; text-align: center; transition: all 0.3s; }
.review-platform:hover { border-color: var(--primary); transform: translateY(-4px); }
.review-platform-logo { height: 28px; margin-bottom: 1rem; opacity: 0.9; }
.review-platform-name { font-family: 'Sora', sans-serif; font-weight: 600; font-size: 0.95rem; margin-bottom: 0.5rem; }
.review-platform-rating { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin-bottom: 0.35rem; }
.review-stars { color: #fbbf24; font-size: 1rem; letter-spacing: 1px; }
.review-score { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 1.5rem; }
.review-count { font-size: 0.8rem; color: var(--text-muted); }
.review-platform-link { display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 0.75rem; font-size: 0.8rem; color: var(--primary-light); text-decoration: none; }
.review-platform-link:hover { text-decoration: underline; }

.reviews-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 2.5rem; }
.reviews-pros, .reviews-cons { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; }
.reviews-pros { border-color: rgba(34, 197, 94, 0.3); }
.reviews-cons { border-color: rgba(239, 68, 68, 0.3); }
.reviews-pros h4, .reviews-cons h4 { font-family: 'Sora', sans-serif; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.reviews-pros h4 { color: var(--accent-green); }
.reviews-cons h4 { color: #ef4444; }
.reviews-pros ul, .reviews-cons ul { list-style: none; }
.reviews-pros li, .reviews-cons li { padding: 0.5rem 0; font-size: 0.9rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-light); display: flex; align-items: flex-start; gap: 0.5rem; }
.reviews-pros li:last-child, .reviews-cons li:last-child { border-bottom: none; }
.reviews-pros li::before { content: '✓'; color: var(--accent-green); font-weight: 700; }
.reviews-cons li::before { content: '✗'; color: #ef4444; font-weight: 700; }

.social-reviews { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.social-review { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; transition: all 0.3s; }
.social-review:hover { border-color: var(--primary); }
.social-review-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.social-review-avatar { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--accent-pink)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem; }
.social-review-author { flex: 1; }
.social-review-name { font-weight: 600; font-size: 0.95rem; }
.social-review-handle { font-size: 0.8rem; color: var(--text-muted); }
.social-review-platform { font-size: 1.25rem; }
.social-review-content { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.65; margin-bottom: 0.75rem; }
.social-review-date { font-size: 0.75rem; color: var(--text-muted); }

/* CTA */
.cta-section { padding: 5rem 2rem; text-align: center; }
.cta-container { max-width: 750px; margin: 0 auto; background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(236, 72, 153, 0.08)); border: 1px solid var(--border); border-radius: 24px; padding: 3rem; position: relative; overflow: hidden; }
.cta-container::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent-pink), var(--accent-orange)); }
.cta-container h2 { margin-bottom: 0.75rem; font-size: 1.75rem; }
.cta-container p { color: var(--text-secondary); font-size: 1.05rem; margin-bottom: 1.5rem; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Footer */
footer { padding: 3rem 2rem 1.5rem; border-top: 1px solid var(--border); background: var(--bg-card); }
.footer-container { max-width: 1400px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 2.5rem; margin-bottom: 2rem; }
.footer-brand p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.75rem; max-width: 280px; }
.footer-column h4 { font-family: 'Sora', sans-serif; font-size: 0.95rem; font-weight: 600; margin-bottom: 1rem; }
.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 0.5rem; }
.footer-column a { color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; transition: color 0.3s; }
.footer-column a:hover { color: var(--primary); }
.footer-bottom { padding-top: 1.5rem; border-top: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { color: var(--text-muted); font-size: 0.8rem; }
.social-links { display: flex; gap: 0.75rem; }
.social-links a { width: 36px; height: 36px; background: var(--bg-dark); border: 1px solid var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); text-decoration: none; transition: all 0.3s; font-size: 1rem; }
.social-links a:hover { border-color: var(--primary); color: var(--primary); }

/* Responsive */
@media (max-width: 1200px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .topic-title-row { flex-direction: column; }
    .topic-quick-links { flex-direction: row; flex-wrap: wrap; min-width: auto; }
    .quick-link { flex: 1; min-width: 200px; }
}
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-description { margin: 0 auto 2rem; }
    .hero-stats { justify-content: center; }
    .hero-cta { justify-content: center; }
    .hero-visual { display: none; }
    .intro-grid { grid-template-columns: 1fr; }
    .intro-visual { position: static; }
    .params-grid { grid-template-columns: 1fr; }
    .video-features { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .social-reviews { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .site-nav { padding: 0.75rem 1rem; }
    .site-nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-dark); flex-direction: column; padding: 1rem; gap: 0.5rem; border-bottom: 1px solid var(--border); }
    .site-nav-links.active { display: flex; }
    .mobile-menu-btn { display: flex; }
    .topic-header-container { padding: 1.5rem 1rem; }
    .topic-title { font-size: 1.5rem; }
    .topic-quick-links { flex-direction: column; }
    .topic-nav-container { padding: 0 1rem; }
    .section { padding: 3.5rem 1rem; }
    .pricing-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 1.5rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .cta-container { padding: 2rem 1.5rem; }
    .reviews-grid { grid-template-columns: 1fr; }
    .reviews-summary { grid-template-columns: 1fr; }
}