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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    width: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background: #061024;
    color: #eaf2ff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
}

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

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

.bg-gradient {
    position: fixed;
    inset: 0;
    z-index: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(31, 227, 138, 0.10), transparent 45%),
        radial-gradient(circle at 85% 75%, rgba(41, 120, 255, 0.18), transparent 50%),
        linear-gradient(160deg, #061024 0%, #081a36 45%, #061024 100%);
}

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

main {
    position: relative;
    z-index: 10;
}

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

.nav {
    /* Override Bootstrap's own .nav utility class (display:flex;flex-wrap:wrap),
       which this custom class name collides with - without this, .nav-inner
       becomes a shrink-wrapped flex item instead of a normal centered block,
       collapsing justify-content:space-between to zero gap. */
    display: block;
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    box-sizing: border-box;
    background: rgba(6, 16, 36, 0.55);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(234, 242, 255, 0.08);
    transition: padding 250ms ease, background-color 250ms ease, box-shadow 250ms ease;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 32px;
    transition: padding 250ms ease;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: -0.01em;
    color: #eaf2ff;
    transition: font-size 250ms ease;
}

.logo span {
    color: #1fe38a;
}

.nav-link {
    display: inline-block;
    background: #1fe38a;
    color: #04170f;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 8px;
    transition: all 250ms ease;
    border: 1px solid transparent;
}

.nav-link:hover,
.nav-link:focus-visible {
    background: #3dffab;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(31, 227, 138, 0.3);
}

.nav-link:focus-visible {
    outline: 2px solid #eaf2ff;
    outline-offset: 2px;
}

.nav.nav-scrolled {
    background: rgba(6, 16, 36, 0.92);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.nav.nav-scrolled .nav-inner {
    padding: 12px 32px;
}

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

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

@media (max-width: 480px) {
    .nav-inner {
        padding: 16px 18px;
    }
    .nav.nav-scrolled .nav-inner {
        padding: 10px 18px;
    }
    .logo {
        font-size: 1.15rem;
    }
    .nav-link {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    .nav.nav-scrolled .nav-link {
        padding: 7px 14px;
        font-size: 0.78rem;
    }
}

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

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

.hero {
    position: relative;
    z-index: 2;
    padding-top: 12vh;
    padding-bottom: 8vh;
    padding-left: 24px;
    padding-right: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(100deg, #eaf2ff 30%, #8fe9c4 70%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    max-width: 900px;
}

.hero p {
    margin-top: 28px;
    max-width: 680px;
    color: #a7bbdb;
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    line-height: 1.6;
}

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

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

.cards-section {
    position: relative;
    z-index: 2;
    padding: 4vh 24px 10vh;
    max-width: 1200px;
    margin: 0 auto;
}

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

.card {
    background: rgba(234, 242, 255, 0.06);
    border: 1px solid rgba(234, 242, 255, 0.12);
    border-radius: 16px;
    padding: 38px;
    transition: transform 250ms ease, box-shadow 250ms ease, border-color 250ms ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(31, 227, 138, 0.4);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.card .icon-ring {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid #1fe38a;
    border-right-color: transparent;
    margin-bottom: 20px;
}

.card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: #eaf2ff;
}

.card p {
    color: #c3d2ea;
    line-height: 1.6;
    font-size: 0.98rem;
}

@media (max-width: 480px) {
    .card {
        padding: 28px;
    }
}

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

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

.signal-status {
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: 0.12em;
    font-size: 0.85rem;
    color: #1fe38a;
    font-weight: 600;
    margin-bottom: 20px;
}

.signal-cta {
    display: inline-block;
    background: #1fe38a;
    color: #04170f;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 18px 44px;
    border-radius: 10px;
    transition: all 250ms ease;
    margin-bottom: 20px;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    background: #3dffab;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(31, 227, 138, 0.35);
}

.signal-cta:focus-visible {
    outline: 2px solid #eaf2ff;
    outline-offset: 3px;
}

.signal-sub {
    color: #a7bbdb;
    font-size: 0.9rem;
}

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

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   only visibility/spacing against the dark background lives here. */

footer {
    position: relative;
    z-index: 5;
    background: rgba(6, 16, 36, 0.92);
    border-top: 1px solid rgba(234, 242, 255, 0.08);
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: #a7bbdb;
}

footer a {
    color: #eaf2ff;
}

footer div {
    margin: 4px 0;
}