: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 ── */
.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 ── */
.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 ── */
.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;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* ── BUTTONS ── */
.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 ── */
.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 ── */
.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;
}