/* ===== Tofai AI 官网样式表 ===== */
/* ===== Reset & Variables ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-deep: #0a0612;
    --bg-dark: #120a1f;
    --bg-mid: #1a1030;
    --bg-light: #251845;
    --primary: #8b5cf6;
    --primary-light: #a78bfa;
    --primary-dark: #7c3aed;
    --secondary: #ec4899;
    --secondary-light: #f472b6;
    --accent: #f97316;
    --accent-light: #fb923c;
    --accent-cyan: #06b6d4;
    --text-primary: #f5f0ff;
    --text-secondary: #b8a8d4;
    --text-muted: #7a6a99;
    --glass-bg: rgba(26, 16, 48, 0.7);
    --glass-border: rgba(139, 92, 246, 0.25);
    --shadow-primary: 0 0 40px rgba(139, 92, 246, 0.3);
    --shadow-secondary: 0 0 50px rgba(236, 72, 153, 0.25);
    --shadow-orange: 0 0 30px rgba(249, 115, 22, 0.25);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ===== Background ===== */
.bg-gradient {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -2;
    background:
        radial-gradient(ellipse at 20% 10%, rgba(139, 92, 246, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 80% 90%, rgba(236, 72, 153, 0.1) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(249, 115, 22, 0.05) 0%, transparent 55%),
        linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-dark) 50%, var(--bg-deep) 100%);
}
.bg-particles {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1;
    background-image:
        radial-gradient(1px 1px at 20px 30px, rgba(167, 139, 250, 0.4), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(244, 114, 182, 0.3), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(251, 146, 60, 0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(167, 139, 250, 0.3), transparent),
        radial-gradient(1px 1px at 160px 120px, rgba(244, 114, 182, 0.4), transparent);
    background-size: 200px 200px;
    animation: twinkle 8s ease-in-out infinite;
    opacity: 0.5;
}
@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.7; }
}

/* ===== Header ===== */
header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 0.9rem 2rem;
    background: rgba(10, 6, 18, 0.88);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}
header.scrolled { padding: 0.65rem 2rem; background: rgba(10, 6, 18, 0.96); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
nav { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: var(--text-primary); }
.brand-logo {
    width: 42px; height: 42px; border-radius: 12px;
    overflow: hidden; border: 2px solid var(--primary);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.4);
    transition: var(--transition);
}
.brand-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand:hover .brand-logo {
    border-color: var(--secondary);
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.5);
    transform: rotate(5deg) scale(1.05);
}
.brand-text {
    font-family: 'Orbitron', 'Noto Sans SC', sans-serif;
    font-size: 1.4rem; font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 50%, var(--accent-light) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    letter-spacing: 1px;
}
.nav-center { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-center a {
    color: var(--text-secondary); text-decoration: none; font-weight: 500; font-size: 0.92rem;
    position: relative; transition: var(--transition); padding: 0.4rem 0;
}
.nav-center a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary)); transition: width 0.3s ease;
}
.nav-center a:hover { color: var(--primary-light); }
.nav-center a:hover::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 0.8rem; }
.btn-download-nav {
    display: inline-flex; align-items: center; gap: 0.45rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff; padding: 0.6rem 1.4rem; border-radius: 50px; font-weight: 700; font-size: 0.9rem;
    text-decoration: none; border: none; cursor: pointer; transition: var(--transition);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 3px 12px rgba(139,92,246,0.4);
}
.btn-download-nav:hover { transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 5px 20px rgba(139,92,246,0.55); }
.mobile-menu-btn { display: none; background: none; border: none; color: var(--primary-light); font-size: 1.6rem; cursor: pointer; }

/* ===== Hero ===== */
#hero {
    min-height: 100vh; display: flex; align-items: center; padding: 7rem 2rem 3rem;
    position: relative; overflow: hidden;
}
.hero-container { max-width: 1400px; margin: 0 auto; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: center; }
.hero-content { animation: fadeInUp 1s ease-out; }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    padding: 0.45rem 1.1rem; border-radius: 50px; font-size: 0.82rem; color: var(--secondary-light);
    margin-bottom: 1.3rem; backdrop-filter: blur(10px);
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--accent); } 50% { opacity: 0.5; } }
.hero-title {
    font-size: clamp(2.3rem, 4.8vw, 3.8rem); font-weight: 900; line-height: 1.18; margin-bottom: 1.2rem;
}
.hero-title .gradient {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 40%, var(--accent-light) 100%);
    background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    animation: shine 4s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }
.hero-desc { font-size: 1.08rem; color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.9; max-width: 520px; }
.hero-desc strong { color: var(--accent-light); font-weight: 700; }
.hero-tags { display: flex; gap: 0.8rem; flex-wrap: wrap; margin-bottom: 2rem; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 0.3rem;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    padding: 0.4rem 0.9rem; border-radius: 8px; font-size: 0.82rem; color: var(--text-secondary);
}
.hero-tag span { color: var(--primary-light); }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.95rem 2.1rem; border-radius: 50px; font-size: 1rem; font-weight: 700;
    text-decoration: none; cursor: pointer; border: none; transition: var(--transition);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff; box-shadow: inset 0 1px 0 rgba(255,255,255,0.2), 0 4px 20px rgba(139,92,246,0.45);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 6px 30px rgba(139,92,246,0.6); }
.btn-secondary {
    background: var(--glass-bg); color: var(--text-primary); border: 1px solid var(--accent); backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(249, 115, 22, 0.1); transform: translateY(-3px); box-shadow: 0 0 25px rgba(249, 115, 22, 0.25); }
.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.stat-item .num {
    font-family: 'Orbitron', sans-serif; font-size: 1.9rem; font-weight: 900;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-item .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }

/* Hero Phone Showcase */
.hero-showcase { position: relative; display: flex; justify-content: center; animation: fadeInRight 1s ease-out 0.3s both; }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }
.phone-mockup {
    width: 280px; height: 560px; background: var(--bg-mid); border-radius: 40px;
    border: 3px solid var(--glass-border); box-shadow: var(--shadow-secondary), 0 20px 60px rgba(0,0,0,0.5);
    overflow: hidden; position: relative; padding: 14px;
}
.phone-screen { width: 100%; height: 100%; border-radius: 28px; overflow: hidden; background: var(--bg-deep); }
.phone-screen img { width: 100%; height: 100%; object-fit: cover; display: block; }
.phone-notch {
    position: absolute; top: 14px; left: 50%; transform: translateX(-50%);
    width: 110px; height: 26px; background: var(--bg-deep); border-radius: 0 0 18px 18px; z-index: 2;
}
.phone-glow {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 350px; height: 350px; background: radial-gradient(circle, rgba(139,92,246,0.2) 0%, transparent 70%);
    z-index: -1; filter: blur(40px);
}
.floating-badge {
    position: absolute; background: var(--glass-bg); border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px); border-radius: 12px; padding: 0.7rem 1rem;
    display: flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; font-weight: 600;
    animation: float 3s ease-in-out infinite;
}
.floating-badge.badge-1 { top: 15%; left: -20px; color: var(--primary-light); animation-delay: 0s; }
.floating-badge.badge-2 { bottom: 20%; right: -20px; color: var(--accent-light); animation-delay: 1.5s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ===== Section Common ===== */
section { padding: 5.5rem 2rem; position: relative; }
.section-container { max-width: 1400px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 3rem; }
.section-tag {
    display: inline-block; padding: 0.4rem 1.2rem; background: var(--glass-bg);
    border: 1px solid var(--glass-border); border-radius: 50px; font-size: 0.75rem;
    color: var(--accent-light); margin-bottom: 1rem; letter-spacing: 2px; text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}
.section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem); font-weight: 900; margin-bottom: 0.8rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-light) 60%, var(--accent-light) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-desc { font-size: 1rem; color: var(--text-secondary); max-width: 650px; margin: 0 auto; line-height: 1.8; }

/* ===== Features ===== */
#features { background: linear-gradient(180deg, transparent 0%, rgba(26,16,48,0.4) 50%, transparent 100%); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.feature-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
    padding: 2rem 1.8rem; transition: var(--transition); position: relative; overflow: hidden; backdrop-filter: blur(10px);
}
.feature-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary)); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.feature-card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: var(--shadow-primary); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
    width: 56px; height: 56px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem; margin-bottom: 1.2rem;
    background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(236,72,153,0.2));
    border: 1px solid var(--glass-border);
}
.feature-card:nth-child(2) .feature-icon { background: linear-gradient(135deg, rgba(249,115,22,0.2), rgba(236,72,153,0.2)); }
.feature-card:nth-child(3) .feature-icon { background: linear-gradient(135deg, rgba(6,182,212,0.2), rgba(139,92,246,0.2)); }
.feature-card:nth-child(4) .feature-icon { background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(139,92,246,0.2)); }
.feature-card:nth-child(5) .feature-icon { background: linear-gradient(135deg, rgba(249,115,22,0.2), rgba(6,182,212,0.2)); }
.feature-card:nth-child(6) .feature-icon { background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(249,115,22,0.2)); }
.feature-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; color: var(--text-primary); }
.feature-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== Showcase ===== */
#showcase { position: relative; }
.showcase-display {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem; max-width: 1100px; margin: 0 auto;
}
.screenshot-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
    overflow: hidden; transition: var(--transition); cursor: pointer;
}
.screenshot-card:hover { transform: translateY(-8px) scale(1.02); border-color: var(--accent); box-shadow: var(--shadow-orange); }
.screenshot-img { aspect-ratio: 9/16; overflow: hidden; background: var(--bg-deep); }
.screenshot-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.screenshot-card:hover .screenshot-img img { transform: scale(1.05); }
.screenshot-label { padding: 1rem 1.2rem; text-align: center; }
.screenshot-label h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; color: var(--text-primary); }
.screenshot-label p { font-size: 0.82rem; color: var(--text-muted); }

/* ===== Scenes ===== */
#scenes { background: linear-gradient(180deg, transparent 0%, rgba(26,16,48,0.4) 50%, transparent 100%); }
.scenes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; }
.scene-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
    padding: 2rem 1.8rem; transition: var(--transition); position: relative; overflow: hidden;
}
.scene-card:hover { transform: translateY(-5px); border-color: var(--secondary); box-shadow: var(--shadow-secondary); }
.scene-icon { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.scene-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; color: var(--secondary-light); }
.scene-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* ===== Reviews ===== */
#reviews { position: relative; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.review-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
    padding: 1.8rem; transition: var(--transition); backdrop-filter: blur(10px);
}
.review-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow-primary); }
.review-stars { color: var(--accent); font-size: 0.9rem; margin-bottom: 0.8rem; letter-spacing: 2px; }
.review-text { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.8; margin-bottom: 1.2rem; font-style: italic; }
.review-text::before { content: '\201C'; color: var(--primary-light); font-size: 1.5rem; font-family: Georgia, serif; }
.review-text::after { content: '\201D'; color: var(--primary-light); font-size: 1.5rem; font-family: Georgia, serif; }
.review-author { display: flex; align-items: center; gap: 0.8rem; }
.review-avatar {
    width: 42px; height: 42px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 700; color: #fff;
}
.review-name { font-size: 0.9rem; color: var(--text-primary); font-weight: 600; }
.review-role { font-size: 0.75rem; color: var(--text-muted); }

/* ===== CTA ===== */
#cta { background: linear-gradient(180deg, transparent 0%, rgba(26,16,48,0.5) 50%, transparent 100%); }
.cta-container {
    max-width: 900px; margin: 0 auto; text-align: center;
    background: linear-gradient(135deg, rgba(139,92,246,0.12) 0%, rgba(236,72,153,0.12) 50%, rgba(249,115,22,0.08) 100%);
    border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: 3.5rem 2.5rem;
    position: relative; overflow: hidden;
}
.cta-container::before {
    content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(139,92,246,0.15) 0%, transparent 70%); filter: blur(40px);
}
.cta-container::after {
    content: ''; position: absolute; bottom: -50%; left: -20%; width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(249,115,22,0.1) 0%, transparent 70%); filter: blur(40px);
}
.cta-icon { font-size: 3.5rem; margin-bottom: 1rem; position: relative; z-index: 1; }
.cta-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem); font-weight: 900; margin-bottom: 1rem; position: relative; z-index: 1;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light), var(--accent-light));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.cta-desc { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 2rem; max-width: 550px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; line-height: 1.8; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-note { margin-top: 1.5rem; font-size: 0.82rem; color: var(--text-muted); position: relative; z-index: 1; }

/* ===== Footer ===== */
footer { background: rgba(10, 6, 18, 0.92); border-top: 1px solid var(--glass-border); padding: 3.5rem 2rem 1.8rem; }
.footer-container { max-width: 1400px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
.footer-brand .brand { margin-bottom: 1.2rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.8; max-width: 300px; margin-bottom: 1rem; }
.footer-social { display: flex; gap: 0.8rem; }
.social-icon {
    width: 38px; height: 38px; border-radius: 50%; background: var(--glass-bg);
    border: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: center;
    font-size: 1rem; color: var(--text-secondary); text-decoration: none; transition: var(--transition);
}
.social-icon:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 0 15px rgba(139,92,246,0.4); }
.footer-col h4 { font-size: 0.95rem; font-weight: 700; color: var(--primary-light); margin-bottom: 1.2rem; padding-bottom: 0.6rem; border-bottom: 1px solid var(--glass-border); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.65rem; }
.footer-col a { color: var(--text-muted); text-decoration: none; font-size: 0.88rem; transition: var(--transition); }
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom { border-top: 1px solid var(--glass-border); padding-top: 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-copyright { color: var(--text-muted); font-size: 0.82rem; }
.footer-copyright a { color: var(--primary-light); text-decoration: none; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.82rem; transition: var(--transition); }
.footer-links a:hover { color: var(--primary-light); }

/* ===== Scroll Reveal ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
    .footer-grid .footer-col:last-child { display: none; }
}
@media (max-width: 1024px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; gap: 2.5rem; }
    .hero-content { order: 2; }
    .hero-showcase { order: 1; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-tags { justify-content: center; }
    .hero-buttons { justify-content: center; }
    .hero-stats { justify-content: center; }
    .nav-center { display: none; }
    .floating-badge { display: none; }
}
@media (max-width: 768px) {
    header { padding: 0.7rem 1rem; }
    header.scrolled { padding: 0.55rem 1rem; }
    .mobile-menu-btn { display: block; }
    .nav-center {
        display: none; position: absolute; top: 100%; left: 0; right: 0;
        background: rgba(10,6,18,0.98); backdrop-filter: blur(20px);
        flex-direction: column; padding: 1.5rem; gap: 1.2rem;
        border-bottom: 1px solid var(--glass-border);
    }
    .nav-center.active { display: flex; }
    section { padding: 4rem 1rem; }
    #hero { padding: 6rem 1rem 2.5rem; }
    .phone-mockup { width: 240px; height: 480px; }
    .features-grid { grid-template-columns: 1fr; }
    .showcase-display { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .scenes-grid { grid-template-columns: 1fr; }
    .cta-container { padding: 2.5rem 1.5rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .btn-download-nav { padding: 0.5rem 1rem; font-size: 0.82rem; }
    .brand-text { font-size: 1.2rem; }
}
@media (max-width: 480px) {
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
    .hero-stats { gap: 1.5rem; }
    .showcase-display { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-buttons { flex-direction: column; }
    .cta-buttons .btn { width: 100%; }
}