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

:root {
    --blue-900: #050e24;
    --blue-800: #0a1a3f;
    --blue-700: #0f2a5e;
    --blue-600: #15397a;
    --green-500: #1fd38f;
    --green-400: #4de8a8;
    --mist: #9fb3d6;
    --mist-dim: #6c7fa3;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    padding: 0;
    background: var(--blue-900);
    color: #eef3fb;
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    width: 100%;
    min-height: 100vh;
}

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

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

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

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

.bg-base {
    position: fixed;
    inset: 0;
    z-index: 0;
    background: radial-gradient(circle at 20% 15%, var(--blue-700) 0%, var(--blue-800) 45%, var(--blue-900) 100%);
}

.bg-grid {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: radial-gradient(rgba(159, 179, 214, 0.12) 1px, transparent 1px);
    background-size: 34px 34px;
    opacity: 0.4;
}

#neural-canvas {
    position: fixed;
    inset: 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: 50;
    box-sizing: border-box;
    padding: 24px 0;
    background: rgba(5, 14, 36, 0.35);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

nav.nav-scrolled {
    padding: 12px 0;
    background: rgba(5, 14, 36, 0.92);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

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

.wordmark {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #fff;
    transition: font-size 250ms ease;
}

.wordmark span {
    color: var(--green-500);
}

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

.nav-link {
    display: inline-block;
    background: linear-gradient(135deg, var(--green-500), var(--green-400));
    color: var(--blue-900);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 8px;
    white-space: nowrap;
    transition: padding 250ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.nav-link:hover, .nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(31, 211, 143, 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;
    }

    .wordmark {
        font-size: 1.2rem;
    }

    .nav-link {
        padding: 9px 14px;
        font-size: 0.8rem;
    }

    nav.nav-scrolled .wordmark {
        font-size: 1.05rem;
    }

    nav.nav-scrolled .nav-link {
        padding: 7px 12px;
        font-size: 0.75rem;
    }
}

/* ---- Layout ---- */

.content {
    position: relative;
    z-index: 10;
}

section {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

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

.hero {
    padding-top: 13vh;
    padding-bottom: 10vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--green-400);
    margin-bottom: 28px;
    padding: 8px 16px;
    border: 1px solid rgba(31, 211, 143, 0.3);
    border-radius: 999px;
    background: rgba(31, 211, 143, 0.06);
}

.eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green-500);
    box-shadow: 0 0 10px var(--green-500);
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -1px;
    background: linear-gradient(120deg, #ffffff 0%, #ffffff 40%, var(--green-400) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    max-width: 900px;
}

.hero p.lede {
    margin-top: 26px;
    max-width: 680px;
    font-size: 1.15rem;
    color: var(--mist);
}

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

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

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

.cards-section {
    padding: 6vh 32px 10vh;
}

.cards-heading {
    text-align: center;
    margin-bottom: 48px;
}

.cards-heading h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 600;
    color: #fff;
}

.cards-heading p {
    margin-top: 12px;
    color: var(--mist-dim);
    font-size: 1rem;
}

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

.card {
    background: linear-gradient(160deg, rgba(19, 48, 110, 0.55), rgba(10, 26, 63, 0.55));
    border: 1px solid rgba(159, 179, 214, 0.15);
    border-radius: 16px;
    padding: 38px;
    text-align: left;
    transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(2, 8, 24, 0.5);
    border-color: rgba(31, 211, 143, 0.4);
}

.card-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--green-500), var(--blue-600));
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
}

.card-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: #fff;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 14px;
    color: #fff;
}

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

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

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

.signal-line {
    padding: 10vh 32px 14vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signal-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signal-status {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--green-400);
    margin-bottom: 22px;
}

.signal-cta {
    display: inline-block;
    background: linear-gradient(135deg, var(--green-500), var(--green-400));
    color: var(--blue-900);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
    padding: 20px 48px;
    border-radius: 10px;
    transition: transform 200ms ease, box-shadow 200ms ease;
}

.signal-cta:hover, .signal-cta:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 16px 36px rgba(31, 211, 143, 0.4);
    outline: none;
}

.signal-sub {
    margin-top: 22px;
    color: var(--mist-dim);
    font-size: 0.95rem;
}

@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 -
   spacing lives here instead, so nothing needs to rely on Bootstrap margin utilities. */

footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 28px 20px;
    color: var(--mist-dim);
    background: rgba(5, 14, 36, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.85rem;
}

footer div {
    margin: 4px 0;
}

@media (max-width: 480px) {
    section {
        padding: 0 18px;
    }
}