@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Inter:wght@400;500;600&display=swap');

:root {
    --bg-deep: #060916;
    --text-light: #e8ecf5;
    --text-muted: #a9b4cc;
    --text-faint: #78839c;
    --accent-blue: #8fa6ff;
    --accent-blue-deep: #5b6ee1;
    --accent-green: #6fe3a0;
    --border-soft: rgba(201, 210, 224, 0.12);
}

* {
    box-sizing: border-box;
}

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

body, html {
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

body {
    background: var(--bg-deep);
    color: var(--text-light);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

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

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

.bg-gradient {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at 20% 10%, #16204a 0%, transparent 55%),
                radial-gradient(ellipse at 80% 85%, #1b2550 0%, transparent 50%),
                linear-gradient(180deg, #05070f 0%, #0a0e1f 55%, #060916 100%);
}

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

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

nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    box-sizing: border-box;
    padding: 22px 0;
    background: rgba(6, 9, 22, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(201, 210, 224, 0.08);
    transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease;
}

nav.nav-scrolled {
    padding: 12px 0;
    background: rgba(6, 9, 22, 0.85);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

@media (prefers-reduced-motion: reduce) {
    nav {
        transition: none;
    }
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #c9d2e0 0%, #8fa6ff 50%, #c9d2e0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    transition: font-size 250ms ease;
    white-space: nowrap;
}

nav.nav-scrolled .logo {
    font-size: 1.2rem;
}

.nav-link {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-blue-deep), var(--accent-blue));
    color: #05070f;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: padding 250ms ease, font-size 250ms ease, transform 180ms ease, box-shadow 180ms ease;
    white-space: nowrap;
}

nav.nav-scrolled .nav-link {
    padding: 9px 20px;
    font-size: 0.85rem;
}

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(143, 166, 255, 0.35);
}

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

@media (max-width: 650px) {
    .nav-inner {
        padding: 0 18px;
    }

    .logo {
        font-size: 1.15rem;
    }

    .nav-link {
        padding: 9px 16px;
        font-size: 0.8rem;
    }

    nav.nav-scrolled .logo {
        font-size: 1rem;
    }

    nav.nav-scrolled .nav-link {
        padding: 7px 14px;
        font-size: 0.72rem;
    }
}

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

.hero {
    position: relative;
    z-index: 2;
    padding: 12vh 24px 10vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #ffffff 0%, #c9d2e0 45%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 900px;
    margin: 0 auto;
}

.hero p {
    margin: 28px auto 0;
    max-width: 680px;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .hero {
        padding-top: 14vh;
    }

    .hero p {
        font-size: 1rem;
    }
}

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

.cards-section {
    position: relative;
    z-index: 2;
    padding: 40px 24px 100px;
}

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

.card {
    background: linear-gradient(160deg, rgba(201, 210, 224, 0.08), rgba(143, 166, 255, 0.05));
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    padding: 38px;
    text-align: left;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(143, 166, 255, 0.4);
}

.card h3 {
    font-size: 1.15rem;
    margin-bottom: 14px;
    color: #d7deec;
}

.card p {
    font-size: 0.98rem;
    line-height: 1.65;
    color: #b7c0d6;
    margin: 0;
}

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

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

.cta-section {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 24px 100px;
}

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

.signal-status {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: var(--accent-green);
    margin-bottom: 26px;
}

.signal-cta {
    display: inline-block;
    padding: 20px 48px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent-blue-deep), var(--accent-blue));
    color: #05070f;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(143, 166, 255, 0.4);
}

.signal-cta:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 3px;
}

.signal-sub {
    margin-top: 22px;
    font-size: 0.9rem;
    color: var(--text-faint);
}

@media (max-width: 480px) {
    .signal-cta {
        padding: 16px 32px;
        font-size: 1rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

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

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

footer {
    position: relative;
    z-index: 2;
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(6, 9, 22, 0.6);
    border-top: 1px solid rgba(201, 210, 224, 0.08);
}

footer div {
    margin: 4px 0;
}

footer a {
    color: var(--accent-blue);
}