:root {
    --brand-pink: #e1306c;
    --brand-purple: #c13584;
    --brand-blue: #405de6;
    --brand-orange: #fd1d1d;
    --brand-yellow: #f56040;
    
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --text-main: #262626;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    
    --brand-gradient: linear-gradient(45deg, var(--brand-yellow), var(--brand-orange), var(--brand-pink), var(--brand-purple), var(--brand-blue));
    
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background-color: var(--bg-light); color: var(--text-main); line-height: 1.6; position: relative; overflow-x: hidden; }

/* Social Icon Matrix Background */
.matrix-bg { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1; pointer-events: none; overflow: hidden; opacity: 0.05; }
.matrix-icon { position: absolute; font-size: 32px; color: var(--text-main); filter: grayscale(100%); animation: float-icon 20s linear infinite; }
@keyframes float-icon {
    0% { transform: translateY(110vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) rotate(360deg); opacity: 0; }
}

a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

/* Navigation */
.nav { background: rgba(255,255,255,0.9); backdrop-filter: blur(10px); padding: 15px 5%; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.nav-brand { font-size: 24px; font-weight: 800; background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 600; color: var(--text-muted); }
.nav-links a:hover, .nav-links a.active { color: var(--text-main); }
.nav-btn { background: var(--text-main); color: #fff !important; padding: 8px 24px; border-radius: 30px; font-weight: 600; font-size: 14px; }
.nav-btn:hover { background: var(--brand-blue); }

/* Hero */
.hero { text-align: center; padding: 100px 20px 80px; position: relative; z-index: 1; }
.hero-tag { display: inline-block; padding: 6px 16px; background: rgba(225, 48, 108, 0.1); color: var(--brand-pink); border-radius: 20px; font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 24px; }
.hero h1 { font-size: 56px; font-weight: 800; line-height: 1.1; margin-bottom: 24px; letter-spacing: -1px; }
.hero p { font-size: 18px; color: var(--text-muted); max-width: 600px; margin: 0 auto 40px; }
.btn-group { display: flex; gap: 16px; justify-content: center; }
.btn { padding: 16px 36px; border-radius: 30px; font-size: 16px; font-weight: 700; cursor: pointer; transition: 0.3s; border: none; }
.btn-primary { background: var(--brand-gradient); color: #fff; box-shadow: 0 10px 20px rgba(225, 48, 108, 0.3); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 25px rgba(225, 48, 108, 0.4); }
.btn-secondary { background: var(--bg-white); color: var(--text-main); border: 2px solid var(--border-color); }
.btn-secondary:hover { border-color: var(--brand-purple); transform: translateY(-3px); }

/* Stats */
.stats { display: flex; justify-content: center; gap: 24px; padding: 0 20px; margin-bottom: 80px; flex-wrap: wrap; max-width: 1000px; margin-inline: auto; position: relative; z-index: 1; }
.stat-box { background: var(--bg-white); border-radius: var(--radius-lg); padding: 30px 20px; text-align: center; flex: 1; min-width: 200px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.stat-box h3 { font-size: 36px; font-weight: 800; background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 8px; }
.stat-box p { font-size: 14px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* Container */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }
.section-title { font-size: 32px; font-weight: 800; text-align: center; margin-bottom: 50px; }

/* About */
.about-panel { background: var(--bg-white); border-radius: var(--radius-lg); padding: 50px; margin-bottom: 80px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); text-align: center; }
.about-panel p { font-size: 17px; color: var(--text-main); line-height: 1.8; margin-bottom: 20px; font-weight: 500; }

/* Features Grid */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 80px; }
.feat-card { background: var(--bg-white); border-radius: var(--radius-lg); padding: 40px 30px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); transition: 0.3s; position: relative; overflow: hidden; }
.feat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand-pink); }
.feat-icon { font-size: 40px; margin-bottom: 20px; display: inline-block; }
.feat-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 12px; }
.feat-card p { font-size: 15px; color: var(--text-muted); line-height: 1.6; }

/* Image Display */
.img-wrap { margin-bottom: 80px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 10px solid var(--bg-white); background: var(--bg-white); }
.img-wrap img { width: 100%; display: block; border-radius: var(--radius-md); }

/* Guide */
.guide-wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 80px; }
.guide-step { background: var(--bg-white); padding: 30px; border-radius: var(--radius-lg); text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.guide-num { width: 48px; height: 48px; background: var(--brand-gradient); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; margin: 0 auto 16px; }
.guide-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.guide-step p { font-size: 14px; color: var(--text-muted); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto 80px; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-lg); padding: 24px; margin-bottom: 16px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); }
.faq-q { font-size: 16px; font-weight: 800; margin-bottom: 10px; display: flex; gap: 10px; align-items: flex-start; }
.faq-q::before { content: 'Q:'; color: var(--brand-blue); font-size: 18px; }
.faq-a { font-size: 15px; color: var(--text-muted); line-height: 1.7; padding-left: 26px; }

/* Download Page Specific */
.dl-hero { padding: 60px 20px; text-align: center; }
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 80px; }
.dl-card { background: var(--bg-white); border-radius: var(--radius-lg); padding: 40px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); display: flex; flex-direction: column; align-items: center; }
.dl-card h3 { font-size: 24px; font-weight: 800; margin-bottom: 16px; }
.dl-card p { font-size: 15px; color: var(--text-muted); margin-bottom: 30px; line-height: 1.6; }
.dl-actions { width: 100%; display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.dl-actions .btn { width: 100%; justify-content: center; }

/* Footer */
.footer { background: var(--bg-white); border-top: 1px solid var(--border-color); padding: 40px 20px; text-align: center; position: relative; z-index: 1; }
.footer-brand { font-size: 24px; font-weight: 800; margin-bottom: 20px; color: var(--text-main); }
.footer-links { display: flex; justify-content: center; gap: 30px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { font-weight: 600; font-size: 14px; color: var(--text-muted); }
.footer-links a:hover { color: var(--brand-pink); }
.footer-copy { color: #adb5bd; font-size: 13px; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 40px; }
    .btn-group { flex-direction: column; }
    .btn { width: 100%; }
}