/* =====================================================
   9video Landing Page — Design System
   Brand: 9video (commercial brand of OpenVideoKit)
   Accent: #ffea00 (yellow play triangle)
   Style: Dark glassmorphism, inspired by Emergent.sh
   ===================================================== */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=DM+Sans:wght@400;500;600;700;800;900&display=swap');

/* ── Custom Properties ── */
:root {
    /* Colors */
    --bg-primary:     #0a0a14;
    --bg-secondary:   #0f0f1e;
    --bg-card:        rgba(255, 255, 255, 0.04);
    --bg-card-hover:  rgba(255, 255, 255, 0.08);

    --text-primary:   #fafafa;
    --text-secondary: rgba(250, 250, 250, 0.6);
    --text-muted:     rgba(250, 250, 250, 0.35);

    --accent-yellow:  #ffea00;
    --accent-cyan:    #80fff9;
    --accent-green:   #81ff89;

    --border:         rgba(255, 255, 255, 0.08);
    --border-accent:  rgba(255, 234, 0, 0.3);

    /* Gradients */
    --gradient-brand: linear-gradient(90deg, #ffea00 0%, #80fff9 100%);
    --gradient-hero:  radial-gradient(ellipse at 60% 0%, rgba(255, 234, 0, 0.12) 0%, transparent 60%),
                      radial-gradient(ellipse at 10% 80%, rgba(128, 255, 249, 0.08) 0%, transparent 50%);
    --gradient-glow:  radial-gradient(circle, rgba(255, 234, 0, 0.15) 0%, transparent 70%);

    /* Glassmorphism */
    --glass-bg:       rgba(255, 255, 255, 0.04);
    --glass-border:   rgba(255, 255, 255, 0.1);
    --glass-blur:     20px;

    /* Typography */
    --font-body:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading:   'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-py:     120px;
    --container-px:   24px;
    --max-width:      1200px;

    /* Radius */
    --radius-sm:      8px;
    --radius-md:      16px;
    --radius-lg:      24px;
    --radius-xl:      32px;
    --radius-full:    9999px;

    /* Transitions */
    --transition:     0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset & Base ── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ── Utility Classes ── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--container-px);
}

.gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-radius: var(--radius-lg);
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ── Animations ── */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(255, 234, 0, 0.2); }
    50%       { box-shadow: 0 0 40px rgba(255, 234, 0, 0.5); }
}

@keyframes shimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes spin-slow {
    to { transform: rotate(360deg); }
}

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ======================================================
   HEADER
   ====================================================== */
.header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background: rgba(10, 10, 20, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 32px;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.logo-text span {
    color: var(--accent-yellow);
}

/* Nav */
.nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 20px;
    background: var(--accent-yellow);
    color: #0a0a14;
    font-weight: 700;
    font-size: 14px;
    border-radius: var(--radius-full);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 234, 0, 0.35);
    background: #fff3a0;
}

.header-cta svg {
    width: 16px; height: 16px;
    transition: transform var(--transition);
}

.header-cta:hover svg {
    transform: translateX(3px);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px; left: 0;
    width: 100%;
    background: rgba(10, 10, 20, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px 24px;
    flex-direction: column;
    gap: 4px;
    z-index: 999;
}

.mobile-nav.open { display: flex; }

.mobile-nav .nav-link {
    padding: 12px 16px;
    font-size: 16px;
}

.mobile-nav .header-cta {
    margin-top: 8px;
    justify-content: center;
    padding: 14px;
}

/* ======================================================
   HERO SECTION
   ====================================================== */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 72px;
}

/* Ambient background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    pointer-events: none;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

.hero-inner {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 32px;
    gap: 48px;
}

/* Left column */
.hero-content {
    flex: 0 0 48%;
    max-width: 580px;
    animation: fadeInUp 0.8s ease both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 234, 0, 0.1);
    border: 1px solid rgba(255, 234, 0, 0.25);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-yellow);
    margin-bottom: 28px;
    letter-spacing: 0.01em;
}

.hero-badge-dot {
    width: 6px; height: 6px;
    background: var(--accent-yellow);
    border-radius: 50%;
    animation: pulse-glow 2s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.hero-title .gradient-text {
    display: block;
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

/* Primary CTA button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: var(--accent-yellow);
    color: #0a0a14;
    font-weight: 700;
    font-size: 16px;
    border-radius: var(--radius-full);
    transition: transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(255, 234, 0, 0.4);
}

.btn-primary svg { width: 18px; height: 18px; transition: transform var(--transition); }
.btn-primary:hover svg { transform: translateX(3px); }

/* Secondary CTA button */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border);
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-secondary svg { width: 18px; height: 18px; }

/* Hero social proof */
.hero-social-proof {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    font-size: 13px;
    color: var(--text-muted);
}

.hero-stars {
    display: flex;
    gap: 2px;
    color: var(--accent-yellow);
    font-size: 14px;
}

/* Right column — Showcase */
.hero-showcase {
    flex: 1;
    position: relative;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.showcase-wrapper {
    position: relative;
}

.showcase-glow-top {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 234, 0, 0.18) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.showcase-glow-bottom {
    position: absolute;
    bottom: -40px;
    left: -40px;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(128, 255, 249, 0.12) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.showcase-image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.showcase-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-md);
}

/* Floating chips over the screenshot */
.showcase-chip {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(10, 10, 20, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    animation: float 3s ease-in-out infinite;
}

.chip-ai {
    top: 12px;
    right: 12px;
    color: var(--accent-yellow);
    border-color: rgba(255, 234, 0, 0.3);
    animation-delay: 0s;
}

.chip-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-yellow);
    border-radius: 50%;
    animation: pulse-glow 1.5s ease-in-out infinite;
}

.chip-export {
    bottom: 16px;
    left: 16px;
    color: var(--accent-green);
    border-color: rgba(129, 255, 137, 0.3);
    animation-delay: 1.5s;
}

.showcase-frame {
    position: relative;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    z-index: 1;
    padding: 8px;
}

/* App mockup inside showcase */
.showcase-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.03);
}

.showcase-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
}

.showcase-dot.red    { background: #ff5f57; }
.showcase-dot.yellow { background: #ffbd2e; }
.showcase-dot.green  { background: #28c840; }

.showcase-url {
    flex: 1;
    margin: 0 12px;
    height: 24px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 12px;
    color: var(--text-muted);
}

.showcase-body {
    display: flex;
    height: calc(100% - 50px);
}

/* Sidebar */
.showcase-sidebar {
    width: 200px;
    border-right: 1px solid var(--border);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.showcase-slide-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition);
}

.showcase-slide-thumb.active {
    border-color: var(--accent-yellow);
}

.slide-thumb-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: rgba(255,255,255,0.5);
    font-weight: 600;
}

.thumb-1 { background: linear-gradient(135deg, #1a1a2e, #16213e); }
.thumb-2 { background: linear-gradient(135deg, #0f3460, #533483); }
.thumb-3 { background: linear-gradient(135deg, #1a1a1a, #2d2d2d); }

/* Bounce dot animation (kept for potential future use) */
@keyframes bounce-dot {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
    30% { transform: translateY(-5px); opacity: 1; }
}

/* ======================================================
   STATS BAR
   ====================================================== */
.stats-bar {
    padding: 24px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    overflow: hidden;
}

.stats-track {
    display: flex;
    gap: 0;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.stats-group {
    display: flex;
    gap: 0;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 40px;
    border-right: 1px solid var(--border);
    white-space: nowrap;
}

.stat-pill:last-child { border-right: none; }

.stat-number {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: var(--accent-yellow);
    letter-spacing: -0.5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ======================================================
   FEATURES SECTION
   ====================================================== */
.features {
    padding: var(--section-py) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(255, 234, 0, 0.08);
    border: 1px solid rgba(255, 234, 0, 0.2);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-yellow);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Feature grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity var(--transition);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 234, 0, 0.1);
    border: 1px solid rgba(255, 234, 0, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 20px;
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
}

.feature-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ======================================================
   HOW IT WORKS
   ====================================================== */
.how-it-works {
    padding: var(--section-py) 0;
    position: relative;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 64px;
    position: relative;
}

/* Connecting line between steps */
.steps-grid::before {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(33.33% / 2);
    right: calc(33.33% / 2);
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), var(--accent-yellow), var(--border), transparent);
}

.step-card {
    text-align: center;
    padding: 40px 28px;
    position: relative;
}

.step-number {
    width: 72px;
    height: 72px;
    background: var(--glass-bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 900;
    color: var(--accent-yellow);
    margin: 0 auto 24px;
    position: relative;
    z-index: 1;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.step-card:hover .step-number {
    background: rgba(255, 234, 0, 0.1);
    border-color: var(--accent-yellow);
    box-shadow: 0 0 30px rgba(255, 234, 0, 0.25);
}

.step-icon {
    font-size: 32px;
    margin-bottom: 16px;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.step-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ======================================================
   DEMO SECTION
   ====================================================== */
.demo-section {
    padding: var(--section-py) 0;
}

.demo-container {
    max-width: 360px;
    margin: 48px auto 0;
    position: relative;
}

/* Smartphone Device Frame */
.demo-phone-frame {
    position: relative;
    background: rgba(18, 18, 32, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 44px;
    padding: 12px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.8),
        0 0 40px rgba(255, 234, 0, 0.12);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Phone top notch / Dynamic Island */
.phone-header {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 24px;
    margin-bottom: 8px;
}

.phone-notch {
    width: 90px;
    height: 14px;
    background: #000;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 8px;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.phone-speaker {
    width: 30px;
    height: 3px;
    background: #1a1a1a;
    border-radius: 2px;
}

.phone-camera {
    width: 6px;
    height: 6px;
    background: #0a0a1a;
    border: 1px solid #1a1a2e;
    border-radius: 50%;
}

.demo-video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 9 / 16;
    border-radius: 32px;
    overflow: hidden;
    background: #000;
    box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.9);
}

.demo-video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 32px;
}

/* YouTube Facade */
.yt-facade {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.yt-facade img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.yt-facade:hover img { transform: scale(1.03); }

.yt-play-btn {
    position: absolute;
    width: 72px;
    height: 72px;
    background: rgba(10, 10, 20, 0.85);
    border: 2px solid rgba(255, 234, 0, 0.5);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition), transform var(--transition), border-color var(--transition);
}

.yt-facade:hover .yt-play-btn {
    background: var(--accent-yellow);
    border-color: var(--accent-yellow);
    transform: scale(1.1);
}

.yt-play-btn svg {
    width: 28px;
    height: 28px;
    fill: white;
    margin-left: 4px;
}

.yt-facade:hover .yt-play-btn svg {
    fill: #0a0a14;
}

/* ======================================================
   PRICING SECTION
   ====================================================== */
.pricing {
    padding: var(--section-py) 0;
    position: relative;
}

.pricing::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(128, 255, 249, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 64px;
    align-items: start;
}

.pricing-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: 36px 32px;
    position: relative;
    transition: transform var(--transition), border-color var(--transition);
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-card.featured {
    background: rgba(255, 234, 0, 0.05);
    border-color: rgba(255, 234, 0, 0.3);
    box-shadow: 0 0 40px rgba(255, 234, 0, 0.08);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--accent-yellow);
    color: #0a0a14;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-tier {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.pricing-price {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -2px;
    line-height: 1;
    margin-bottom: 6px;
}

.pricing-price sup {
    font-size: 24px;
    vertical-align: super;
    letter-spacing: 0;
}

.pricing-period {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.pricing-credits {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}

.pricing-credits strong {
    color: var(--accent-yellow);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-feature .check {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: rgba(129, 255, 137, 0.12);
    border: 1px solid rgba(129, 255, 137, 0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    font-size: 10px;
}

.pricing-feature .dash {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
}

.pricing-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 700;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.pricing-cta.primary {
    background: var(--accent-yellow);
    color: #0a0a14;
}

.pricing-cta.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 234, 0, 0.35);
}

.pricing-cta.secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.pricing-cta.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ======================================================
   FAQ SECTION
   ====================================================== */
.faq {
    padding: var(--section-py) 0;
}

.faq-list {
    max-width: 800px;
    margin: 64px auto 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq-item.open {
    border-color: rgba(255, 234, 0, 0.25);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
    background: none;
    transition: color var(--transition);
    gap: 16px;
}

.faq-question:hover { color: var(--accent-yellow); }

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition), background var(--transition), border-color var(--transition);
    color: var(--text-muted);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
    background: rgba(255, 234, 0, 0.1);
    border-color: rgba(255, 234, 0, 0.3);
    color: var(--accent-yellow);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
}

.faq-item.open .faq-answer {
    max-height: 400px;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

/* ======================================================
   PERSONAS SECTION
   ====================================================== */
.personas-section {
    padding: var(--section-py) 0;
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 64px;
}

.persona-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.persona-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 234, 0, 0.2);
    transform: translateY(-4px);
}

.persona-emoji {
    font-size: 36px;
    margin-bottom: 16px;
    display: block;
}

.persona-title {
    font-family: var(--font-heading);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.3px;
}

.persona-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Enterprise CTA */
.enterprise-cta {
    margin-top: 48px;
    text-align: center;
    padding: 24px 32px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.enterprise-text {
    font-size: 15px;
    color: var(--text-secondary);
}

.enterprise-text strong {
    color: var(--text-primary);
}

.enterprise-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--accent-yellow);
    text-decoration: underline;
    text-decoration-color: rgba(255, 234, 0, 0.3);
    text-underline-offset: 3px;
    transition: text-decoration-color var(--transition), color var(--transition);
}

.enterprise-link:hover {
    color: #fff3a0;
    text-decoration-color: rgba(255, 243, 160, 0.6);
}

/* ======================================================
   FINAL CTA SECTION
   ====================================================== */
.final-cta {
    padding: 80px 0 120px;
}

.final-cta-inner {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 234, 0, 0.08) 0%, rgba(128, 255, 249, 0.05) 100%);
    border: 1px solid rgba(255, 234, 0, 0.2);
    border-radius: var(--radius-xl);
    padding: 80px 48px;
    text-align: center;
    overflow: hidden;
}

.final-cta-inner::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(255, 234, 0, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.final-cta-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin-bottom: 16px;
    position: relative;
}

.final-cta-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 40px;
    line-height: 1.7;
    position: relative;
}

.final-cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* ======================================================
   FOOTER
   ====================================================== */
.footer {
    border-top: 1px solid var(--border);
    padding: 80px 0 40px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 64px;
    padding-bottom: 64px;
    border-bottom: 1px solid var(--border);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 260px;
}

.footer-badge-row {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.footer-col-title {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-link {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition);
}

.footer-link:hover { color: var(--text-primary); }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-link {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.social-link svg { width: 16px; height: 16px; }

/* ======================================================
   RESPONSIVE
   ====================================================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .personas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --section-py: 72px;
        --container-px: 20px;
    }

    .nav, .header-cta { display: none; }
    .hamburger { display: flex; }

    .header-inner { padding: 0 20px; }

    .hero-inner {
        flex-direction: column;
        padding: 48px 20px 60px;
        text-align: center;
    }

    .hero-content { flex: unset; max-width: 100%; }

    .hero-title { letter-spacing: -1px; }

    .hero-actions { justify-content: center; }

    .hero-social-proof { justify-content: center; }

    .hero-showcase { width: 100%; }

    .features-grid { grid-template-columns: 1fr; }

    .personas-grid { grid-template-columns: 1fr 1fr; }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .steps-grid::before { display: none; }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .enterprise-cta {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .footer-brand { grid-column: 1 / -1; }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .final-cta-inner { padding: 48px 24px; }

    .final-cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .personas-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; width: 100%; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .footer-main { grid-template-columns: 1fr; }
}