@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700;900&family=JetBrains+Mono:wght@500&display=swap');

:root {
    --bg: #f8fafc;
    --text: #0f172a;
    --accent: #2563eb;
    --success: #22c55e;
    --border: #e2e8f0;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', 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: sticky; top: 0;
    z-index: 100;
    background: rgba(248, 250, 252, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    gap: 15px;
}

.logo {
    font-weight: 900; 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-buy-nav {
    text-decoration: none; color: white;
    background: var(--text);
    font-size: clamp(0.65rem, 2vw, 0.8rem); font-weight: 700;
    padding: 12px 24px;
    border-radius: 6px;
    transition: 0.3s; white-space: nowrap; flex-shrink: 0;
}

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

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

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

.badge {
    display: inline-block;
    background: #dcfce7;
    color: #166534;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900; line-height: 0.95;
    margin: 0; letter-spacing: -3px;
}

.hero-p {
    margin: 30px auto; font-size: 1.2rem;
    color: #475569; max-width: 600px;
    line-height: 1.6;
}

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

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px; padding: 0 6% 100px;
    position: relative; z-index: 1;
}

.card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover { border-color: var(--accent); transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,0,0,0.05); }

h3 { font-size: 1.3rem; margin-bottom: 15px; font-weight: 700; }
p { color: #64748b; line-height: 1.6; font-size: 1rem; }

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

/* ── CTA Section ────────────────────────────────────────────────── */

.cta-section {
    padding: 0 6% 80px;
    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: white;
    background: var(--accent);
    font-weight: 700; font-size: clamp(1rem, 3vw, 1.2rem);
    padding: 20px 50px;
    border-radius: 8px;
    transition: 0.3s;
}

.main-cta:hover { transform: scale(1.02); filter: brightness(1.1); }

.signal-sub {
    margin-top: 30px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem; color: #475569;
    text-transform: uppercase; letter-spacing: 2px;
}