@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500;600&display=swap');

:root {
    --bg: #07080a;
    --bg-elevated: #0e1116;
    --card-bg: rgba(255, 255, 255, 0.03);
    --card-bg-hover: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.09);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #f4f6f8;
    --muted: #9aa7b4;
    --muted-2: #6b7480;
    --accent: #22e8c0;
    --accent-2: #ff6a3d;
    --accent-blue: #3dd6ff;
    --nav-h: 72px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

html, body { overflow-x: hidden; width: 100%; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: #07080a; }

/* ---------- Layers ---------- */

#bg-canvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
    display: block;
}

.vignette {
    position: fixed;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: radial-gradient(ellipse at 50% 0%, transparent 0%, transparent 45%, rgba(7,8,10,0.55) 100%),
                linear-gradient(180deg, rgba(7,8,10,0.15) 0%, transparent 12%, transparent 88%, var(--bg) 100%);
}

main, header { position: relative; z-index: 10; }

/* ---------- Nav ---------- */

header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    height: var(--nav-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(20px, 5vw, 56px);
    background: rgba(7, 8, 10, 0.62);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}

.wordmark {
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.28rem;
    letter-spacing: -0.01em;
}

.wordmark .algo { color: var(--text); }
.wordmark .spike { color: var(--accent); position: relative; }
.wordmark .spike::after {
    content: "";
    position: absolute;
    right: -11px;
    top: 2px;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 9px solid var(--accent-2);
}

.wordmark .tag {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    color: var(--muted-2);
    text-transform: uppercase;
    margin-left: 6px;
    padding-left: 12px;
    border-left: 1px solid var(--border-strong);
}

#buy_now_link {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.86rem;
    padding: 9px 20px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

#buy_now_link:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #07080a;
    transform: translateY(-1px);
}

#buy_now_link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}

/* ---------- Hero ---------- */

.hero {
    padding-top: clamp(96px, 14vh, 190px);
    padding-bottom: 80px;
    padding-left: 24px;
    padding-right: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.eyebrow {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 22px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.06;
    letter-spacing: -0.02em;
    max-width: 18ch;
}

h1 .accent { color: var(--accent-2); }

.hero p.lede {
    margin-top: 26px;
    max-width: 680px;
    font-size: clamp(1rem, 1.6vw, 1.15rem);
    color: var(--muted);
    line-height: 1.65;
}

.hero p.lede strong {
    color: var(--text);
    font-weight: 600;
}

/* ---------- Cards ---------- */

.cards {
    padding: 40px clamp(20px, 5vw, 56px) 100px;
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 38px 34px;
    transition: transform 0.28s ease, background 0.28s ease, border-color 0.28s ease;
}

.card:hover {
    transform: translateY(-6px);
    background: var(--card-bg-hover);
    border-color: var(--border-strong);
}

.card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.card-idx {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--muted-2);
}

.card-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-blue);
}

.card:nth-child(1) .card-tag { color: var(--accent); }
.card:nth-child(2) .card-tag { color: var(--accent-blue); }
.card:nth-child(3) .card-tag { color: var(--accent-2); }
.card:nth-child(4) .card-tag { color: var(--accent); }

.card p {
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.65;
}

.card p strong {
    color: var(--text);
    font-weight: 600;
}

/* ---------- CTA ---------- */

.cta {
    text-align: center;
    padding: 60px 24px 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cta-domain {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(1.4rem, 3vw, 2.1rem);
    letter-spacing: -0.01em;
    margin-bottom: 18px;
}

.signal-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    color: var(--accent);
    margin-bottom: 26px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.signal-status::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}

#buy_now_bottom {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.02rem;
    letter-spacing: 0.02em;
    padding: 18px 44px;
    background: var(--accent-2);
    color: #07080a;
    border-radius: 999px;
    display: inline-block;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 0 0 rgba(255, 106, 61, 0);
}

#buy_now_bottom:hover {
    background: #ff824f;
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(255, 106, 61, 0.28);
}

#buy_now_bottom:focus-visible {
    outline: 2px solid var(--accent-2);
    outline-offset: 4px;
}

.signal-sub {
    margin-top: 20px;
    font-size: 0.86rem;
    color: var(--muted-2);
}

/* ---------- Responsive ---------- */

@media (max-width: 480px) {
    header { padding: 0 16px; }
    .wordmark .tag { display: none; }
    #buy_now_link { padding: 8px 14px; font-size: 0.78rem; }
    .hero { padding-top: 110px; padding-bottom: 56px; }
    .cards { padding: 24px 16px 64px; gap: 16px; }
    .card { padding: 28px 24px; }
    #buy_now_bottom { padding: 16px 32px; width: 100%; }
    .cta { padding: 44px 16px 100px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}