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

:root {
    --bg-deep: #05070f;
    --bg-navy: #0b0f2a;
    --bg-panel: #161c46;
    --text-light: #f5f6fb;
    --text-muted: #b6bad6;
    --blue: #4d9dff;
    --orange: #ff8a3d;
    --pink: #ff5f6d;
    --green: #7ee787;
}

* { box-sizing: border-box; }

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

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

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

/* ---- Fixed background layers ---- */

#bg-base {
    position: fixed; inset: 0;
    z-index: 0;
    background: radial-gradient(circle at 20% 20%, var(--bg-panel) 0%, var(--bg-navy) 55%, var(--bg-deep) 100%);
}

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

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 5%;
    background: rgba(11, 15, 42, 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: 100;
}

.logo {
    font-weight: 700; letter-spacing: 0.02em; font-size: 1.5rem;
    background: linear-gradient(90deg, var(--blue) 0%, var(--orange) 100%);
    -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: 0.95rem;
    background: linear-gradient(90deg, var(--orange), var(--pink));
    color: var(--bg-navy);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 138, 61, 0.4);
}

.nav-link:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}

@media (max-width: 650px) {
    nav { padding: 14px 5%; }
    .logo { font-size: 1.2rem; }
    .nav-link { padding: 8px 16px; font-size: 0.85rem; }
}

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

.hero {
    position: relative; z-index: 2;
    padding: 14vh 6% 10vh;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 0;
    background: linear-gradient(100deg, #7db8ff 0%, var(--text-light) 35%, #ffb27a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

@media (max-width: 480px) {
    .hero { padding: 12vh 6% 8vh; }
    .hero p { font-size: 1rem; }
}

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

.cards-section {
    position: relative; z-index: 2;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1100px;
    margin: 4vh auto 10vh;
    padding: 0 6%;
}

.card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 40px 35px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    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 16px 40px rgba(0, 0, 0, 0.35);
    border-color: rgba(255, 138, 61, 0.4);
}

.card .icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 22px;
    background: linear-gradient(135deg, var(--blue), var(--orange));
    color: var(--bg-navy);
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 14px;
    color: #ffffff;
}

.card p {
    color: #d7dae8;
    line-height: 1.6;
    font-size: 0.98rem;
    margin: 0;
}

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

/* ---- CTA / Signal line ---- */

.cta {
    position: relative; z-index: 2;
    padding: 8vh 6% 14vh;
    text-align: center;
}

.signal-line {
    position: relative; z-index: 2;
    max-width: 600px; margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signal-status {
    letter-spacing: 0.15em;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--green);
    margin: 0 0 22px;
}

.signal-cta {
    display: inline-block;
    padding: 18px 48px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    background: linear-gradient(90deg, var(--blue), var(--orange));
    color: var(--bg-deep);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 32px rgba(77, 157, 255, 0.4);
}

.signal-cta:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}

.signal-sub {
    margin: 20px 0 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .signal-cta { padding: 16px 32px; font-size: 1rem; width: 100%; }
}

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

footer {
    position: relative; z-index: 2;
    background: rgba(5, 7, 15, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

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;
    }
}