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

:root {
    --bg-navy: #06111f;
    --bg-navy-2: #081b2e;
    --blue: #2f7bff;
    --blue-light: #6aa4ff;
    --green: #22d3a5;
    --green-light: #4bf0c9;
    --text-light: #f5f9ff;
    --text-muted: rgba(224, 236, 250, 0.82);
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.12);
}

* { box-sizing: border-box; }

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

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

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

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

.bg-layer {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at 15% 20%, rgba(47, 123, 255, 0.25), transparent 45%),
        radial-gradient(circle at 85% 15%, rgba(34, 211, 165, 0.2), transparent 50%),
        radial-gradient(circle at 50% 90%, rgba(47, 123, 255, 0.18), transparent 55%),
        linear-gradient(180deg, var(--bg-navy) 0%, var(--bg-navy-2) 50%, var(--bg-navy) 100%);
}

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

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 6%;
    background: rgba(6, 17, 31, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: sticky; top: 0; z-index: 50;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem; font-weight: 700; letter-spacing: 0.02em;
    text-transform: none;
    background: linear-gradient(90deg, var(--blue-light), var(--green-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-link {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 999px;
    font-weight: 600; font-size: 0.92rem;
    text-transform: none; letter-spacing: normal;
    color: var(--bg-navy);
    background: linear-gradient(90deg, var(--blue-light), var(--green-light));
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(34, 211, 165, 0.35);
    filter: brightness(1.08);
    background: linear-gradient(90deg, var(--blue-light), var(--green-light));
    color: var(--bg-navy);
}

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

@media (max-width: 650px) {
    nav { padding: 14px 5%; }
    .logo { font-size: 1.25rem; }
    .nav-link { padding: 8px 16px; font-size: 0.82rem; }
}

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

.hero {
    position: relative; z-index: 2;
    max-width: 1200px; margin: 0 auto;
    padding: 14vh 20px 10vh;
    min-height: 90vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 999px;
    border: 1px solid var(--card-border);
    background: rgba(255, 255, 255, 0.04);
    font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.hero-badge::before {
    content: "";
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--green-light);
    box-shadow: 0 0 10px var(--green-light);
}

.hero-heading {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700; line-height: 1.15;
    max-width: 900px; margin: 0;
    color: var(--text-light);
}

.hero-heading .line-accent {
    background: linear-gradient(90deg, var(--blue-light), var(--green-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-sub {
    margin: 26px auto 0; max-width: 680px;
    color: var(--text-muted);
    font-size: clamp(1rem, 1.6vw, 1.15rem);
}

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

.cards-section {
    position: relative; z-index: 2;
    padding: 6vh 6% 10vh;
}

.cards-grid {
    max-width: 1200px; 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(--card-border);
    border-radius: 18px;
    padding: 38px 35px;
    text-align: left;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    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(0, 0, 0, 0.35), 0 0 0 1px rgba(34, 211, 165, 0.2);
    border-color: rgba(34, 211, 165, 0.35);
}

.card-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(47, 123, 255, 0.25), rgba(34, 211, 165, 0.25));
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.card-icon svg {
    width: 24px; height: 24px;
    stroke: var(--green-light);
}

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

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

@media (max-width: 600px) {
    .card { padding: 30px 24px; }
}

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

.cta {
    position: relative; z-index: 2;
    padding: 10vh 6% 14vh;
    text-align: center;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 22px;
}

.signal-status {
    font-size: 0.85rem; letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--green-light);
    font-weight: 600;
    margin: 0;
}

.signal-cta {
    display: inline-block;
    padding: 18px 46px;
    border-radius: 999px;
    font-weight: 700; font-size: 1.1rem;
    letter-spacing: normal; text-transform: none;
    color: var(--bg-navy);
    background: linear-gradient(90deg, var(--blue-light), var(--green-light));
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 36px rgba(34, 211, 165, 0.4);
    filter: brightness(1.08);
    background: linear-gradient(90deg, var(--blue-light), var(--green-light));
    color: var(--bg-navy);
}

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

.signal-sub {
    color: var(--text-muted);
    font-size: 0.92rem;
    letter-spacing: normal; text-transform: none;
    margin: 0;
}

@media (max-width: 480px) {
    .hero { padding-top: 12vh; min-height: 80vh; }

    .signal-cta { width: 100%; padding: 16px 0; }

    .cta { padding: 8vh 5% 10vh; }
}

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

footer {
    position: relative; z-index: 2;
    padding: 24px 6%;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    background: rgba(6, 17, 31, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

footer div {
    margin: 4px 0;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
}