:root {
    --bg-primary: #f5f8ff;
    --bg-card: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    
    /* Tech Blue & Purple */
    --brand-blue: #3b82f6;
    --brand-indigo: #6366f1;
    --brand-purple: #8b5cf6;
    
    --tech-gradient: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-indigo) 50%, var(--brand-purple) 100%);
    --tech-gradient-light: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(139,92,246,0.1) 100%);
    
    --border-color: #e2e8f0;
    
    --shadow-sm: 0 4px 6px -1px rgba(59,130,246,0.1);
    --shadow-md: 0 10px 15px -3px rgba(59,130,246,0.15), 0 4px 6px -2px rgba(59,130,246,0.05);
    --shadow-glow: 0 0 20px rgba(99,102,241,0.3);
    
    --radius-md: 12px;
    --radius-lg: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
body { background-color: var(--bg-primary); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* Abstract Tech Background Elements */
.tech-bg { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -1; overflow: hidden; pointer-events: none; }
.tech-shape { position: absolute; filter: blur(60px); opacity: 0.5; }
.shape-1 { width: 400px; height: 400px; background: var(--brand-blue); top: -100px; left: -100px; border-radius: 50%; }
.shape-2 { width: 500px; height: 500px; background: var(--brand-purple); bottom: -150px; right: -100px; border-radius: 50%; }

/* Navbar */
.nav { padding: 15px 5%; background: rgba(255,255,255,0.8); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255,255,255,0.5); display: flex; justify-content: space-between; align-items: center; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.02); }
.nav-brand { font-size: 22px; font-weight: 800; background: var(--tech-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: 500; color: var(--text-secondary); }
.nav-links a:hover, .nav-links a.active { color: var(--brand-indigo); }
.nav-btn { background: var(--tech-gradient); color: #fff; padding: 8px 24px; border-radius: 30px; font-weight: 600; box-shadow: var(--shadow-sm); }
.nav-btn:hover { box-shadow: var(--shadow-glow); transform: translateY(-1px); }

/* Hero */
.hero { text-align: center; padding: 80px 20px; max-width: 900px; margin: 0 auto; }
.hero-badge { display: inline-block; padding: 6px 16px; background: var(--tech-gradient-light); color: var(--brand-indigo); border-radius: 30px; font-size: 13px; font-weight: 600; margin-bottom: 24px; border: 1px solid rgba(99,102,241,0.2); }
.hero h1 { font-size: 52px; font-weight: 800; line-height: 1.2; margin-bottom: 24px; letter-spacing: -1px; }
.hero p { font-size: 18px; color: var(--text-secondary); margin-bottom: 40px; max-width: 600px; margin-inline: auto; }
.btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { padding: 14px 32px; border-radius: 30px; font-size: 15px; font-weight: 600; cursor: pointer; transition: 0.3s; display: inline-flex; align-items: center; justify-content: center; }
.btn-primary { background: var(--tech-gradient); color: #fff; box-shadow: var(--shadow-md); border: none; }
.btn-primary:hover { box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.btn-secondary { background: #fff; color: var(--brand-indigo); border: 1px solid var(--brand-indigo); box-shadow: var(--shadow-sm); }
.btn-secondary:hover { background: var(--tech-gradient-light); transform: translateY(-2px); }

/* Stats */
.stats { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; max-width: 1100px; margin: 0 auto 80px; padding: 0 20px; }
.stat-box { background: rgba(255,255,255,0.6); backdrop-filter: blur(10px); border: 1px solid #fff; padding: 30px; border-radius: var(--radius-lg); text-align: center; flex: 1; min-width: 200px; box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.stat-box::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 3px; background: var(--tech-gradient); }
.stat-box h3 { font-size: 32px; font-weight: 800; background: var(--tech-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 8px; }
.stat-box p { font-size: 14px; font-weight: 500; color: var(--text-secondary); }

/* Container */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.section-title { font-size: 32px; font-weight: 800; text-align: center; margin-bottom: 50px; color: var(--text-primary); }

/* About Panel */
.about-panel { background: rgba(255,255,255,0.7); backdrop-filter: blur(20px); border: 1px solid #fff; padding: 50px; border-radius: var(--radius-lg); margin-bottom: 80px; text-align: center; box-shadow: var(--shadow-md); }
.about-panel p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; max-width: 800px; margin-inline: auto; }
.about-panel p:last-child { margin-bottom: 0; }

/* Features Grid */
.feat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin-bottom: 80px; }
.feat-card { background: rgba(255,255,255,0.8); border: 1px solid #fff; padding: 30px; border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: 0.3s; }
.feat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(99,102,241,0.3); }
.feat-icon { width: 50px; height: 50px; background: var(--tech-gradient-light); color: var(--brand-indigo); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 20px; }
.feat-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text-primary); }
.feat-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }

/* Media Showcase */
.showcase { margin-bottom: 80px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 4px solid #fff; }
.showcase img { width: 100%; display: block; }

/* Guide */
.guide-wrapper { max-width: 800px; margin: 0 auto 80px; }
.guide-item { display: flex; gap: 20px; background: #fff; padding: 24px 30px; border-radius: var(--radius-md); margin-bottom: 16px; box-shadow: var(--shadow-sm); align-items: center; border: 1px solid transparent; transition: 0.3s; }
.guide-item:hover { border-color: rgba(99,102,241,0.2); transform: translateX(5px); }
.guide-num { width: 40px; height: 40px; background: var(--tech-gradient); color: #fff; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; flex-shrink: 0; box-shadow: var(--shadow-glow); }
.guide-info h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.guide-info p { font-size: 14px; color: var(--text-secondary); }

/* FAQ */
.faq-wrap { max-width: 800px; margin: 0 auto 80px; }
.faq-box { background: #fff; border-radius: var(--radius-md); margin-bottom: 16px; padding: 24px; box-shadow: var(--shadow-sm); border-left: 4px solid var(--brand-indigo); }
.faq-q { font-size: 16px; font-weight: 700; margin-bottom: 12px; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }
.faq-q::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--tech-gradient); }
.faq-a { font-size: 14px; color: var(--text-secondary); padding-left: 18px; line-height: 1.7; }

/* Footer */
.footer { background: #fff; padding: 40px 20px; text-align: center; border-top: 1px solid var(--border-color); }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.footer-links a:hover { color: var(--brand-indigo); }
.footer-copy { color: #94a3b8; font-size: 13px; }

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 38px; }
    .btn-group { flex-direction: column; }
    .guide-item { flex-direction: column; text-align: center; }
}