@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;800&family=JetBrains+Mono:wght@500&display=swap');

:root {
    --bg: #ffffff;
    --text: #0f172a;
    --accent: #14b8a6;
    --border: #f1f5f9;
}

body, html {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
}

#canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    opacity: 0.8;
    pointer-events: none;
}

nav {
    padding: 30px 6%;
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 100;
}

.logo {
    font-weight: 800; font-size: 1.5rem;
    letter-spacing: -1px; text-transform: uppercase;
}
.logo span { color: var(--accent); }

.nav-cta {
    text-decoration: none; color: #fff;
    font-size: 0.8rem; font-weight: 800;
    padding: 12px 28px; border-radius: 6px;
    background: var(--text);
    transition: 0.3s;
}
.nav-cta:hover { background: var(--accent); transform: translateY(-2px); }

.hero {
    padding: 80px 6%;
    position: relative; z-index: 1;
    max-width: 900px;
}

.dev-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem; color: var(--accent);
    background: rgba(20, 184, 166, 0.1);
    padding: 6px 12px; border-radius: 4px;
    margin-bottom: 25px; display: inline-block;
}

h1 {
    font-size: clamp(3.5rem, 12vw, 7.5rem);
    font-weight: 800; line-height: 0.9;
    margin: 0; letter-spacing: -4px;
}

.hero-p {
    margin-top: 40px; font-size: 1.3rem;
    color: #64748b; max-width: 550px;
    line-height: 1.5;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px; padding: 40px 6% 120px 6%;
    position: relative; z-index: 1;
}

.card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border);
    padding: 30px 40px; border-radius: 12px;
    transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(5px);
}
.card:hover {
    border-color: var(--accent);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.03);
}

.link-icon {
    width: 30px; height: 30px;
    border: 2px solid var(--accent);
    border-radius: 8px;
    margin-bottom: 25px;
    position: relative;
}
.link-icon::after {
    content: ''; position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 15px; height: 2px; background: var(--accent);
}

h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 15px; }
p { color: #64748b; line-height: 1.6; margin: 0; }

/* ── Signal Line ─────────────────────────────────── */
.signal-line {
    padding: 20px 6% 80px;
    text-align: center;
    position: relative;
    z-index: 1;
    background: #fff;
}

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

.signal-status {
    font-size: 0.7rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    font-weight: 700;
    opacity: 0.9;
    margin-bottom: 30px;
}

.signal-cta {
    display: inline-block;
    color: #fff;
    background: var(--text);
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.8rem;
    padding: 12px 28px;
    border-radius: 6px;
    transition: 0.3s;
}

.signal-cta:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.signal-sub {
    margin-top: 20px;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--muted);
}

footer {
    padding: 20px 6%;
    border-top: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem; color: #94a3b8;
    position: relative; z-index: 1;
    background: white;
}

footer div { margin-bottom: 6px; }