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

:root {
    --bg-deep: #0c1f1c;
    --bg-deep-2: #0a2433;
    --green-1: #3fae6a;
    --green-2: #7fd79f;
    --blue-1: #2f9ed8;
    --blue-2: #6fd6ff;
    --text-light: #f1f7f3;
    --text-muted: #adc3bb;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.09);
}

* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body {
    margin: 0;
    padding: 0;
    width: 100%;
    font-family: 'Inter', sans-serif;
    background: var(--bg-deep);
    color: var(--text-light);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', sans-serif;
    margin: 0;
}

a {
    text-decoration: none;
}

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

.bg-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: linear-gradient(145deg, var(--bg-deep) 0%, #0e2c28 35%, var(--bg-deep-2) 70%, #0a1f2e 100%);
}

#mapCanvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

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

nav {
    position: sticky;
    top: 0;
    z-index: 100;
    width: 100%;
    box-sizing: border-box;
    padding: 22px 0;
    background: rgba(12, 31, 28, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease;
}

nav.nav-scrolled {
    padding: 12px 0;
    background: rgba(10, 20, 19, 0.85);
    box-shadow: 0 6px 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-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--text-light);
    transition: font-size 250ms ease;
}

.logo span {
    background: linear-gradient(100deg, var(--green-2), var(--blue-2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

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

.nav-link {
    display: inline-block;
    padding: 11px 24px;
    border-radius: 999px;
    background: linear-gradient(100deg, var(--green-1), var(--blue-1));
    color: #06140f;
    font-weight: 600;
    font-size: 0.92rem;
    transition: padding 250ms ease, font-size 250ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(63, 174, 106, 0.35);
    outline: none;
}

nav.nav-scrolled .nav-link {
    padding: 8px 18px;
    font-size: 0.85rem;
}

@media (max-width: 480px) {
    .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: 0.75rem;
    }
}

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

.hero {
    position: relative;
    z-index: 2;
    padding: 13vh 24px 10vh;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--text-light);
}

.hero h1 .line2 {
    display: block;
    background: linear-gradient(100deg, var(--green-2) 10%, var(--blue-2) 90%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    margin: 28px auto 0;
    max-width: 680px;
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-muted);
}

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

.cards-section {
    position: relative;
    z-index: 2;
    padding: 6vh 24px 10vh;
    max-width: 1160px;
    margin: 0 auto;
}

.cards-grid {
    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;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: transform 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    background: linear-gradient(135deg, var(--green-1), var(--blue-1));
    color: #061411;
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.card h3 {
    font-size: 1.3rem;
    margin-bottom: 14px;
    color: var(--text-light);
}

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

@media (max-width: 480px) {
    .hero {
        padding: 11vh 18px 7vh;
    }

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

    .cards-section {
        padding: 4vh 18px 7vh;
    }

    .card {
        padding: 30px 24px;
    }
}

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

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

.signal-status {
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    color: var(--green-2);
    font-weight: 600;
    margin: 0 0 22px;
}

.signal-cta {
    display: inline-block;
    padding: 18px 44px;
    border-radius: 999px;
    background: linear-gradient(100deg, var(--green-1), var(--blue-1));
    color: #06140f;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.01em;
    box-shadow: 0 10px 30px rgba(47, 158, 216, 0.3);
    transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 16px 38px rgba(47, 158, 216, 0.45);
    filter: brightness(1.05);
    outline: none;
}

.signal-sub {
    margin: 22px 0 0;
    font-size: 0.92rem;
    color: var(--text-muted);
}

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

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

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

footer {
    position: relative;
    z-index: 2;
    background: rgba(8, 18, 17, 0.9);
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

footer a {
    color: var(--green-2);
}

footer div {
    margin: 4px 0;
}