@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@300;800&family=JetBrains+Mono:wght@500&display=swap');

:root {
    --bg: #f8fafc;
    --text: #1e293b;
    --accent: #16a34a;
    --border: #e2e8f0;
    --muted: #64748b;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Public Sans', 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; opacity: 0.6;
}

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

nav {
    padding: 20px 6%;
    display: flex; justify-content: space-between; align-items: center;
    position: relative; z-index: 100;
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    gap: 15px;
}

.logo {
    font-weight: 800; font-size: clamp(1.1rem, 4vw, 1.4rem);
    letter-spacing: -0.5px; text-transform: uppercase;
    white-space: nowrap; color: var(--text);
}

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

.btn {
    text-decoration: none; color: white;
    font-size: clamp(0.65rem, 2.5vw, 0.75rem);
    font-weight: 700; padding: 12px 24px;
    background: var(--text); border-radius: 4px;
    text-transform: uppercase; letter-spacing: 1px;
    transition: 0.3s; white-space: nowrap; flex-shrink: 0;
}

.btn:hover { background: var(--accent); transform: translateY(-1px); }

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

.hero {
    padding: 100px 6% 80px;
    position: relative; z-index: 1;
    max-width: 800px;
}

.utility-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: var(--accent);
    background: rgba(22, 163, 74, 0.1);
    padding: 5px 12px; border-radius: 2px;
    margin-bottom: 20px; display: inline-block;
}

h1 {
    font-size: clamp(3rem, 10vw, 5.5rem);
    font-weight: 800; line-height: 1;
    margin: 0; letter-spacing: -2px;
    color: var(--text);
}

.hero-p {
    margin-top: 30px; font-size: 1.25rem;
    color: var(--muted); max-width: 550px;
    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: white; padding: 60px 45px;
    transition: 0.4s;
}

.card:hover { background: #f0fdf4; }

.card-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem; color: var(--muted);
    margin-bottom: 20px; display: block;
    text-transform: uppercase;
}

.card h3 {
    font-size: 1.7rem; font-weight: 800;
    margin: 0 0 15px; color: var(--text);
}

.card p { color: var(--muted); line-height: 1.6; margin: 0; }

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

/* ── Signal Line ────────────────────────────────────────────────── */

.signal-line {
    background: #ffffff;
    padding: 100px 6%;
    text-align: center;
    position: relative; z-index: 1;
    border-top: 1px solid var(--border);
}

.signal-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem; color: var(--accent);
    margin-bottom: 25px; display: block;
}

.signal-cta {
    display: inline-block;
    text-decoration: none; color: white;
    font-size: clamp(1.1rem, 4vw, 1.8rem);
    font-weight: 800; padding: 20px 50px;
    background: var(--text); border-radius: 4px;
    transition: 0.4s;
}

.signal-cta:hover {
    background: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(22, 163, 74, 0.2);
}