@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;700;800&family=Space+Grotesk:wght@500;700&display=swap');

:root {
    --bg: #030712;
    --text: #ffffff;
    --accent: #ccff00;
    --sub-accent: #00ffaa;
    --accent-glow: rgba(204, 255, 0, 0.35);
    --muted: #b8c9b0;
    --border: rgba(204, 255, 0, 0.2);
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    background-color: var(--bg);
    background-image:
        radial-gradient(circle at 85% 25%, rgba(204, 255, 0, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 15% 75%, rgba(0, 255, 170, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, #030712 100%);
    color: var(--text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

#canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
}

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

nav {
    padding: 20px 6%;
    display: flex; justify-content: space-between; align-items: center;
    position: sticky; top: 0;
    z-index: 100;
    background: rgba(3, 7, 18, 0.85);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(20px);
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700; font-size: 1.3rem;
    letter-spacing: -0.5px; text-transform: uppercase;
    color: var(--text);
}
.logo span {
    background: linear-gradient(135deg, var(--accent), var(--sub-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-buy-nav {
    text-decoration: none; color: var(--text);
    font-size: 0.75rem; font-weight: 700;
    padding: 10px 20px;
    border: 1px solid var(--accent);
    box-shadow: 0 0 15px rgba(204, 255, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    background: rgba(204, 255, 0, 0.02);
    letter-spacing: 0.5px;
}
.btn-buy-nav:hover {
    background: linear-gradient(135deg, var(--accent), var(--sub-accent));
    border-color: transparent;
    color: #030712;
    box-shadow: 0 0 25px var(--accent-glow);
    transform: translateY(-1px);
}

@media (max-width: 650px) {
    nav { padding: 16px 5%; }
    .logo { font-size: 1.05rem; }
    .btn-buy-nav { padding: 8px 14px; font-size: 0.65rem; }
}

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

.hero {
    padding: 14vh 6% 6vh 6%;
    position: relative; z-index: 10;
}

h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.5rem, 8vw, 6rem);
    line-height: 1.05; margin: 0;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.accent-block {
    display: block;
    background: linear-gradient(90deg, var(--accent), var(--sub-accent), #ffffff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: geometricExpansion 6s ease-in-out infinite;
    white-space: nowrap;
    overflow: visible;
    max-width: 100%;
    letter-spacing: -1px;
}

@keyframes geometricExpansion {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-p {
    margin-top: 30px; font-size: 1.05rem;
    color: var(--muted); max-width: 500px;
    line-height: 1.6;
}

@media (max-width: 480px) {
    h1 { font-size: clamp(1.4rem, 7.5vw, 2.2rem); letter-spacing: -1px; }
    .hero { padding-top: 10vh; }
}

/* ── Cards ──────────────────────────────────────────────────────── */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px; padding: 40px 6%;
    position: relative; z-index: 10;
}

.card {
    background: rgba(10, 15, 30, 0.6);
    padding: 35px;
    border: 1px solid var(--border);
    backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--sub-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover::before { transform: scaleX(1); }

.card:hover {
    border-color: rgba(204, 255, 0, 0.4);
    background: rgba(10, 15, 30, 0.85);
    box-shadow: 0 20px 40px rgba(1, 3, 8, 0.9);
    transform: translateY(-2px);
}

.matrix-tag {
    font-size: 0.65rem;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--accent);
    text-shadow: 0 0 10px rgba(204, 255, 0, 0.25);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 15px;
    font-weight: 700;
}

.card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.05rem; margin-bottom: 12px;
    font-weight: 700; color: #ffffff;
    text-transform: uppercase;
}

.card p { color: var(--muted); line-height: 1.6; font-size: 0.88rem; margin: 0; }

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

.cta-box {
    padding: 60px 6% 100px;
    position: relative; z-index: 10;
    text-align: center;
}

.signal-status {
    font-size: 0.8rem; letter-spacing: 6px;
    text-transform: uppercase; color: var(--muted);
    opacity: 0.7; margin-bottom: 30px; margin-top: 0;
}

.main-cta {
    display: inline-block;
    text-decoration: none;
    color: #030712;
    background: linear-gradient(135deg, var(--accent) 0%, var(--sub-accent) 100%);
    font-weight: 700;
    font-size: 1rem;
    padding: 18px 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(204, 255, 0, 0.25);
}
.main-cta:hover {
    background: linear-gradient(135deg, var(--sub-accent) 0%, #ffffff 100%);
    color: #030712;
    box-shadow: 0 15px 40px rgba(0, 255, 170, 0.4);
    transform: scale(1.02);
}

.signal-sub {
    margin-top: 20px; font-size: 0.75rem; letter-spacing: 3px;
    text-transform: uppercase; color: var(--muted); opacity: 0.6;
}

/* ── Footer ─────────────────────────────────────────────────────── */

footer {
    padding: 30px 6%;
    font-size: 0.65rem; color: rgba(255, 255, 255, 0.45);
    border-top: 1px solid var(--border);
    position: relative; z-index: 10;
    letter-spacing: 2px;
    text-transform: uppercase;
}

footer div { margin-bottom: 4px; }
footer div:last-child { margin-bottom: 0; }