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

:root {
    --bg: #0a0a0c;
    --bg-soft: #111114;
    --surface: #17171b;
    --border: #2a2a2f;
    --text: #f5f5f7;
    --muted: #a7a7b2;
    --accent: #caff33;
    --accent-dim: #8fbf1f;
}

* { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    margin: 0; padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
}

a {
    text-decoration: none;
}

/* ---- Background / Animation Layers ---- */

.bg-layer {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    background:
        radial-gradient(ellipse at top left, #1a1a1f 0%, var(--bg) 55%),
        var(--bg);
}

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    #speedCanvas { display: none; }
}

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

nav {
    position: sticky; top: 0; left: 0; width: 100%;
    z-index: 100;
    background: rgba(10, 10, 12, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 250ms ease, box-shadow 250ms ease;
}

nav.nav-scrolled {
    background: rgba(8, 8, 10, 0.92);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

@media (prefers-reduced-motion: reduce) {
    nav, .nav-inner, .logo, #buy_now_link { transition: none; }
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 32px;
    transition: padding 250ms ease;
}

nav.nav-scrolled .nav-inner {
    padding: 13px 32px;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--text);
    transition: font-size 250ms ease;
}

nav.nav-scrolled .logo { font-size: 1.25rem; }

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

#buy_now_link {
    display: inline-block;
    background: var(--accent);
    color: #0a0a0c;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 8px;
    border: 1px solid var(--accent);
    transition: background 250ms ease, color 250ms ease, box-shadow 250ms ease, padding 250ms ease, font-size 250ms ease;
}

nav.nav-scrolled #buy_now_link {
    padding: 9px 18px;
    font-size: 0.88rem;
}

#buy_now_link:hover,
#buy_now_link:focus-visible {
    background: transparent;
    color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

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

@media (max-width: 480px) {
    .nav-inner { padding: 16px 18px; }
    .logo { font-size: 1.15rem; }
    #buy_now_link { padding: 9px 14px; font-size: 0.82rem; }

    nav.nav-scrolled .nav-inner { padding: 10px 18px; }
    nav.nav-scrolled .logo { font-size: 1rem; }
    nav.nav-scrolled #buy_now_link { padding: 7px 12px; font-size: 0.75rem; }
}

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

.hero {
    position: relative; z-index: 2;
    padding: 14vh 24px 10vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    max-width: 900px;
    margin: 0;
    color: var(--text);
}

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

.hero p {
    margin-top: 28px;
    max-width: 680px;
    color: var(--muted);
    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.6;
}

@media (max-width: 480px) {
    .hero { padding: 12vh 18px 8vh; }
    .hero p { margin-top: 20px; }
}

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

.cards-section {
    position: relative; z-index: 2;
    padding: 60px 24px 100px;
    max-width: 1200px;
    margin: 0 auto;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 38px;
    transition: transform 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
    border-color: var(--accent-dim);
}

.card-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: rgba(202, 255, 51, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}

.card-icon span {
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 3px;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0 0 14px;
    color: var(--text);
}

.card p {
    color: var(--muted);
    font-size: 0.98rem;
    line-height: 1.65;
    margin: 0;
}

@media (max-width: 480px) {
    .cards-section { padding: 40px 18px 70px; }
    .card { padding: 28px; }
}

/* ---- Signal Line (CTA) ---- */

.signal-line {
    position: relative; z-index: 2;
    padding: 80px 24px 140px;
    text-align: center;
}

.signal-inner {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.signal-status {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--accent);
    border: 1px solid rgba(202, 255, 51, 0.35);
    border-radius: 999px;
    padding: 8px 18px;
    background: rgba(202, 255, 51, 0.06);
    margin: 0;
}

.signal-cta {
    display: inline-block;
    background: var(--accent);
    color: #0a0a0c;
    font-weight: 700;
    font-size: clamp(1rem, 2vw, 1.25rem);
    padding: 20px 44px;
    border-radius: 10px;
    border: 1px solid var(--accent);
    transition: background 250ms ease, color 250ms ease, box-shadow 250ms ease, transform 250ms ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    background: transparent;
    color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent), 0 0 28px rgba(202, 255, 51, 0.35);
    transform: translateY(-2px);
}

.signal-cta:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.signal-sub {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

@media (prefers-reduced-motion: reduce) {
    .card, .signal-cta, #buy_now_link { transition: none; }
}

@media (max-width: 480px) {
    .signal-line { padding: 60px 18px 90px; }
    .signal-cta { padding: 16px 32px; width: 100%; }
}

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   spacing and contrast live here instead, so it stays readable over the dark background and canvas. */

footer {
    position: relative; z-index: 2;
    padding: 28px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
    background: rgba(10, 10, 12, 0.9);
    border-top: 1px solid var(--border);
}

footer div {
    margin: 4px 0;
}

footer a {
    color: var(--text);
}