@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;700&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
    --bg: #020617;
    --text: #ffffff;
    --accent: #22d3ee;
    --border: rgba(34, 211, 238, 0.3);
    --muted: #94a3b8;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    overflow-x: hidden;
}

/* Reset Bootstrap interference */
main.flex-fill { display: block !important; padding: 0 !important; }

/* ── Canvas ─────────────────────────────────────────────────────── */

#canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
}

/* ── Nav ────────────────────────────────────────────────────────── */

nav {
    padding: 30px 6%;
    display: flex; justify-content: space-between; align-items: center;
    position: relative; z-index: 100;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    gap: 15px;
}

.logo {
    font-weight: 700; font-size: clamp(1.1rem, 4vw, 1.5rem);
    letter-spacing: -1px; text-transform: uppercase;
    white-space: nowrap; color: var(--text);
}

.logo span { color: var(--accent); }

.btn-nav {
    text-decoration: none; color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: clamp(0.6rem, 2vw, 0.75rem); font-weight: 700;
    padding: 10px 25px; border: 1px solid var(--accent);
    transition: 0.3s; white-space: nowrap; flex-shrink: 0;
    text-transform: uppercase;
}

.btn-nav:hover { background: var(--accent); color: var(--bg); }

/* ── Hero ───────────────────────────────────────────────────────── */

.hero {
    padding: 15vh 6% 10vh;
    position: relative; z-index: 1;
}

.sys-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem; color: var(--accent);
    margin-bottom: 20px; display: block;
}

h1 {
    font-size: clamp(3.5rem, 12vw, 8rem);
    font-weight: 700; line-height: 0.9;
    margin: 0; letter-spacing: -4px;
    color: var(--text);
}

.hero-p {
    margin-top: 40px; font-size: 1.2rem;
    color: var(--muted); max-width: 600px;
    line-height: 1.6; font-weight: 300;
}

/* ── Bento Grid ─────────────────────────────────────────────────── */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1px; background: var(--border);
    position: relative; z-index: 1;
}

.card {
    background: var(--bg); padding: 60px 40px;
    transition: 0.4s;
}

.card:hover { background: #070e24; }

h3 { font-size: 1.6rem; margin: 0 0 15px; color: var(--text); }
p { color: var(--muted); line-height: 1.6; font-size: 1rem; margin: 0; }

@media (max-width: 600px) {
    .card { padding: 30px 24px; }
}

/* ── CTA Area ───────────────────────────────────────────────────── */

.cta-area {
    padding: 100px 6%;
    text-align: center;
    position: relative; z-index: 1;
}

.signal-inner { max-width: 600px; margin: 0 auto; }

.signal-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: var(--accent);
    letter-spacing: 3px; margin-bottom: 30px;
    text-transform: uppercase; opacity: 0.8;
}

.main-cta {
    display: inline-block;
    text-decoration: none; color: var(--bg);
    background: var(--accent);
    font-weight: 700; font-size: clamp(1.2rem, 3vw, 2.2rem);
    padding: 25px 60px;
    transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-transform: uppercase;
}

.main-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(34, 211, 238, 0.3);
}

.signal-sub {
    margin-top: 25px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem; color: #475569;
    text-transform: uppercase; letter-spacing: 2px;
}