@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    --bg-deep: #060b18;
    --bg-navy: #0c1730;
    --bg-mid: #101f3e;
    --silver: #cfd9e6;
    --silver-dim: #8fa0ba;
    --accent-blue: #4c7bb0;
    --accent-blue-bright: #6ea0d8;
    --text-primary: #eef2f8;
    --text-muted: #9aa8c0;
    --border-soft: rgba(207, 217, 230, 0.14);
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    font-family: 'Inter', sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
}

h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
}

/* ---- Background ---- */

.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(ellipse at 20% 15%, rgba(76, 123, 176, 0.16), transparent 55%),
        radial-gradient(ellipse at 85% 80%, rgba(110, 160, 216, 0.12), transparent 50%),
        linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-navy) 45%, var(--bg-mid) 100%);
}

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

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 18px clamp(20px, 5vw, 64px);
    background: rgba(6, 11, 24, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-soft);
}

.logo {
    display: flex; align-items: center; gap: 12px;
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(1.05rem, 2vw, 1.3rem);
    font-weight: 700; letter-spacing: 0.02em;
    color: var(--text-primary);
    text-transform: lowercase;
}

.logo .dim {
    color: var(--silver-dim);
    font-weight: 500;
}

.logo-mark {
    position: relative;
    width: 26px; height: 26px;
    border-radius: 50%;
    border: 2px solid var(--silver);
    flex-shrink: 0;
}

.logo-mark::before,
.logo-mark::after {
    content: '';
    position: absolute;
    left: 50%; top: 50%;
    background: var(--accent-blue-bright);
    transform-origin: 50% 100%;
    border-radius: 2px;
}

.logo-mark::before {
    width: 2px; height: 8px;
    transform: translate(-50%, -100%) rotate(0deg);
    animation: spin-hand-hour 8s linear infinite;
}

.logo-mark::after {
    width: 2px; height: 10px;
    background: var(--silver);
    transform: translate(-50%, -100%) rotate(90deg);
    animation: spin-hand-minute 4s linear infinite;
}

@keyframes spin-hand-hour {
    from { transform: translate(-50%, -100%) rotate(0deg); }
    to { transform: translate(-50%, -100%) rotate(360deg); }
}

@keyframes spin-hand-minute {
    from { transform: translate(-50%, -100%) rotate(90deg); }
    to { transform: translate(-50%, -100%) rotate(450deg); }
}

.nav-link {
    display: inline-flex; align-items: center;
    padding: 10px 22px;
    border: 1px solid var(--silver);
    border-radius: 999px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.88rem; font-weight: 600; letter-spacing: 0.03em;
    text-transform: none;
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
    white-space: nowrap;
}

.nav-link:hover {
    background: var(--silver);
    color: var(--bg-deep);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(207, 217, 230, 0.25);
}

.nav-link:focus-visible {
    outline: 2px solid var(--accent-blue-bright);
    outline-offset: 3px;
}

@media (max-width: 650px) {
    nav { padding: 14px 18px; }
    .logo { font-size: 1rem; }
    .nav-link { padding: 8px 16px; font-size: 0.78rem; }
}

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

.hero {
    position: relative;
    z-index: 2;
    max-width: 1200px; margin: 0 auto;
    padding: 14vh clamp(20px, 6vw, 64px) 10vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-eyebrow {
    font-size: 0.8rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--accent-blue-bright);
    font-weight: 600;
    margin-bottom: 22px;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--text-primary);
    text-wrap: balance;
    max-width: 18ch;
}

.hero p {
    margin: 28px auto 0;
    max-width: 680px;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    color: var(--text-muted);
    line-height: 1.6;
}

@media (max-width: 600px) {
    .hero { padding: 12vh 18px 8vh; }
}

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

.cards-section {
    position: relative;
    z-index: 2;
    padding: 6vh clamp(20px, 6vw, 64px) 10vh;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: linear-gradient(160deg, rgba(207, 217, 230, 0.08), rgba(76, 123, 176, 0.04));
    padding: 38px;
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(6, 11, 24, 0.45);
    border-color: rgba(207, 217, 230, 0.32);
}

.card-icon {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 2px solid var(--accent-blue-bright);
    margin-bottom: 22px;
    position: relative;
}

.card-icon::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 2px; height: 14px;
    background: var(--silver);
    transform-origin: 50% 100%;
    transform: translate(-50%, -100%) rotate(45deg);
}

.card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: normal;
    text-transform: none;
    margin: 0 0 14px;
    color: var(--text-primary);
}

.card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin: 0;
}

@media (max-width: 600px) {
    .card { padding: 28px; }
}

/* ---- Signal Line ---- */

.signal-line {
    position: relative;
    z-index: 2;
    padding: 12vh 20px 16vh;
    text-align: center;
}

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

.signal-status {
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--accent-blue-bright);
    font-weight: 600;
    margin: 0 0 28px;
}

.signal-cta {
    display: inline-block;
    color: var(--bg-deep);
    background: var(--silver);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    padding: 20px 48px;
    border-radius: 999px;
    box-shadow: 0 12px 32px rgba(207, 217, 230, 0.18);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.signal-cta:hover {
    background: var(--accent-blue-bright);
    color: var(--bg-deep);
    transform: translateY(-3px);
    box-shadow: 0 16px 40px rgba(110, 160, 216, 0.35);
}

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

.signal-sub {
    margin: 22px 0 0;
    font-size: 0.9rem;
    letter-spacing: normal;
    text-transform: none;
    color: var(--text-muted);
    opacity: 1;
}

@media (max-width: 600px) {
    .signal-line { padding: 10vh 18px 12vh; }
    .signal-cta { width: 100%; padding: 18px 24px; }
}

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   spacing and contrast for the dark theme live here instead. */

footer {
    position: relative;
    z-index: 2;
    padding: 28px clamp(20px, 6vw, 64px) 28px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--silver-dim);
    background: rgba(6, 11, 24, 0.5);
    border-top: 1px solid var(--border-soft);
}

footer div {
    margin: 4px 0;
}

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

/* ---- Reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
    .logo-mark::before,
    .logo-mark::after {
        animation: none;
    }

    * {
        transition-duration: 0.01ms !important;
    }
}