:root {
    --bg: #030712;
    --accent: #38bdf8;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

.container { width: min(1200px, 90%); margin-inline: auto; }

/* Navbar */
.navbar {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1.2rem 0; backdrop-filter: blur(16px);
    background: rgba(3, 7, 18, 0.85);
    border-bottom: 1px solid var(--glass-border);
}
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.6rem; font-weight: 800; letter-spacing: -1px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 2.5rem; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 500; transition: 0.3s; }
.nav-links a:hover { color: var(--accent); }

/* Hero */
.hero-section {
    height: 100vh; display: flex; align-items: center;
    background: radial-gradient(circle at 80% 20%, #0f172a 0%, #030712 100%);
}
.badge { background: rgba(56, 189, 248, 0.1); color: var(--accent); padding: 0.6rem 1.2rem; border-radius: 99px; font-size: 0.85rem; font-weight: 600; }
h1 { font-size: clamp(3rem, 10vw, 5.5rem); margin: 1rem 0; letter-spacing: -3px; font-weight: 800; }
.hero-desc { font-size: 1.2rem; color: var(--muted); max-width: 650px; margin-bottom: 2.5rem; }

/* Timeline & Cards */
.section { padding: 9rem 0; }
.alt-bg { background: #050a18; }
.section-title { font-size: 2.8rem; margin-bottom: 5rem; text-align: center; letter-spacing: -1px; }

.timeline { max-width: 850px; margin-inline: auto; border-left: 2px solid rgba(56, 189, 248, 0.15); padding-left: 3rem; }
.timeline-item { margin-bottom: 4rem; position: relative; }
.time-box { color: var(--accent); font-weight: 800; font-size: 0.95rem; margin-bottom: 0.8rem; }
.time-content { background: var(--glass); padding: 2.5rem; border-radius: 1.8rem; border: 1px solid var(--glass-border); transition: 0.4s; }
.time-content:hover { border-color: var(--accent); background: rgba(255,255,255,0.05); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.glass-card { background: var(--glass); padding: 3rem; border-radius: 2rem; border: 1px solid var(--glass-border); }

/* Buttons */
.btn-primary { background: var(--accent); color: #000; padding: 1rem 2.2rem; border-radius: 14px; text-decoration: none; font-weight: 700; transition: 0.3s; display: inline-block; }
.btn-secondary { border: 1px solid var(--glass-border); color: var(--text); padding: 1rem 2.2rem; border-radius: 14px; text-decoration: none; margin-left: 1rem; transition: 0.3s; display: inline-block; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 15px 30px rgba(56, 189, 248, 0.25); }

/* Reveal Animations */
.reveal-up, .reveal-left, .reveal-right { opacity: 0; transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal-up { transform: translateY(60px); }
.reveal-left { transform: translateX(-60px); }
.reveal-right { transform: translateX(60px); }
.active { opacity: 1; transform: translate(0, 0); }