:root {
    --bg-base: #020617;
    --bg-surface: #0f172a;
    --bg-elevated: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent-primary: #22d3ee;
    --accent-secondary: #3b82f6;
    --accent-security: #34d399;
    --border: rgba(148,163,184,0.1);
    --border-accent: rgba(34,211,238,0.3);
    --glow-cyan: rgba(34,211,238,0.15);
    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-display: 'Outfit', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background-color: var(--bg-base); color: var(--text-secondary); font-family: var(--font-sans); line-height: 1.7; overflow-x: hidden; }
body::before { content: ''; position: fixed; inset: 0; background: radial-gradient(circle at 20% 15%, rgba(59,130,246,0.07) 0%, transparent 40%), radial-gradient(circle at 80% 80%, rgba(34,211,238,0.07) 0%, transparent 40%), radial-gradient(circle at 50% 50%, rgba(167,139,250,0.03) 0%, transparent 60%); pointer-events: none; z-index: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 1; }

.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(2, 6, 23, 0.85); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); height: 72px; display: flex; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; font-family: var(--font-display); }
.logo-icon { font-size: 1.5rem; }
.logo-text { font-weight: 800; font-size: 1.4rem; color: var(--text-primary); letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.9rem; font-weight: 600; transition: all 0.2s; padding: 0.5rem 1rem; border-radius: 8px; }
.nav-links a:hover { color: var(--text-primary); background: rgba(34,211,238,0.08); }

.glass-card { background: rgba(15, 23, 42, 0.5); border: 1px solid var(--border); backdrop-filter: blur(12px); border-radius: 20px; padding: 2rem; transition: all 0.35s ease; }
.glass-card:hover { background: rgba(15, 23, 42, 0.85); border-color: var(--border-accent); transform: translateY(-4px); box-shadow: 0 20px 50px -20px var(--glow-cyan); }

.hero { padding: 12rem 0 8rem; text-align: center; }
.badge { display: inline-block; padding: 0.5rem 1.25rem; background: rgba(34, 211, 238, 0.1); color: var(--accent-primary); border: 1px solid var(--border-accent); border-radius: 9999px; font-size: 0.8rem; font-weight: 700; margin-bottom: 2rem; text-transform: uppercase; letter-spacing: 1px; }
h1 { font-family: var(--font-display); font-size: 4rem; font-weight: 800; line-height: 1.1; margin-bottom: 1.5rem; letter-spacing: -1.5px; background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.gradient-text { background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.25rem; color: var(--text-muted); max-width: 700px; margin: 0 auto 3rem; }
.hero-actions { display: flex; gap: 1.5rem; justify-content: center; }

.btn-primary { background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%); color: #fff; padding: 1rem 2.5rem; border-radius: 12px; font-weight: 700; text-decoration: none; box-shadow: 0 10px 25px -10px rgba(34, 211, 238, 0.5); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: none; display: inline-flex; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 35px -10px rgba(34, 211, 238, 0.7); }
.btn-outline { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border); color: var(--text-primary); padding: 1rem 2.5rem; border-radius: 12px; font-weight: 600; text-decoration: none; transition: all 0.3s; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--text-muted); }

.features { padding: 6rem 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2rem; }
.feature-card { text-align: left; }
.feature-card .icon { width: 60px; height: 60px; background: rgba(34, 211, 238, 0.1); color: var(--accent-primary); display: flex; align-items: center; justify-content: center; font-size: 1.75rem; border-radius: 16px; margin-bottom: 2rem; }
.feature-card h3 { font-family: var(--font-display); font-size: 1.5rem; margin-bottom: 1rem; color: var(--text-primary); }

.footer { padding: 4rem 0; border-top: 1px solid var(--border); margin-top: 8rem; text-align: center; color: var(--text-muted); font-size: 0.9rem; }
.user-pill { background: rgba(34, 211, 238, 0.1); color: var(--accent-primary); border: 1px solid var(--border-accent); padding: 0.4rem 1rem; border-radius: 20px; font-weight: 700; font-size: 0.8rem; }