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

:root {
    --deep-navy: #06111f;
    --blue-900: #0a1f3d;
    --blue-700: #0f3460;
    --blue-500: #1d5c8c;
    --green-500: #16a085;
    --green-400: #2ecc9c;
    --text-light: #eaf1f8;
    --text-muted: #9fb3c8;
    --border-soft: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body, html {
    margin: 0; padding: 0;
    font-family: 'Inter', sans-serif;
    color: var(--text-light);
    min-height: 100vh;
}

body {
    background: linear-gradient(180deg, var(--deep-navy) 0%, var(--blue-900) 45%, #081b2e 100%);
    -webkit-font-smoothing: antialiased;
}

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

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

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

.bg-wash {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(circle at 20% 15%, rgba(22, 160, 133, 0.10), transparent 45%),
                radial-gradient(circle at 80% 85%, rgba(29, 92, 140, 0.14), transparent 50%);
}

@media (prefers-reduced-motion: reduce) {
    #bg-canvas { display: none; }
}

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

nav {
    position: sticky; top: 0; left: 0; width: 100%; z-index: 1000;
    box-sizing: border-box;
    background: rgba(6, 17, 31, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid transparent;
    transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

nav.nav-scrolled {
    background: rgba(6, 17, 31, 0.82);
    border-bottom-color: var(--border-soft);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

@media (prefers-reduced-motion: reduce) {
    nav { transition: none; }
    .nav-inner, .wordmark, .nav-link { transition: none; }
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 32px;
    transition: padding 0.25s ease;
}

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

.wordmark {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-light);
    text-decoration: none;
    transition: font-size 0.25s ease;
}

.wordmark span { color: var(--green-400); }

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

.nav-link {
    display: inline-block;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    padding: 11px 24px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--green-500), var(--blue-500));
    box-shadow: 0 2px 14px rgba(22, 160, 133, 0.25);
    white-space: nowrap;
    transition: transform 0.2s ease, box-shadow 0.2s ease, padding 0.25s ease, font-size 0.25s ease;
}

.nav-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 160, 133, 0.4);
}

.nav-link:focus-visible {
    outline: 2px solid var(--green-400);
    outline-offset: 3px;
}

nav.nav-scrolled .nav-link { padding: 8px 18px; font-size: 0.88rem; }

@media (max-width: 650px) {
    .nav-inner { padding: 16px 18px; }
    .wordmark { font-size: 1.2rem; }
    .nav-link { padding: 9px 16px; font-size: 0.85rem; }

    nav.nav-scrolled .nav-inner { padding: 10px 18px; }
    nav.nav-scrolled .wordmark { font-size: 1.05rem; }
    nav.nav-scrolled .nav-link { padding: 7px 14px; font-size: 0.78rem; }
}

/* ---- Content wrapper ---- */

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

.hero, .cards-section, .cta, .signal-line {
    position: relative;
    z-index: 2;
}

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

.hero {
    padding: 12vh 24px 8vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: -0.02em;
    max-width: 920px;
    margin: 0;
}

.line-gradient {
    display: block;
    background: linear-gradient(90deg, var(--text-light) 0%, var(--green-400) 35%, var(--blue-500) 65%, var(--text-light) 100%);
    background-size: 200% auto;
    background-position: 0% center;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shineText 7s ease-in-out infinite;
}

.line-plain {
    display: block;
    color: var(--text-light);
    font-weight: 500;
    font-size: clamp(1.1rem, 2.4vw, 1.8rem);
    margin-top: 0.6rem;
    letter-spacing: -0.01em;
}

@keyframes shineText {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

.hero p {
    margin-top: 1.8rem;
    max-width: 680px;
    color: var(--text-muted);
    font-size: clamp(1rem, 1.6vw, 1.2rem);
    line-height: 1.6;
}

.hero-fade-in {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.9s ease forwards;
}

.hero h1 .hero-fade-in { animation-delay: 0.05s; }
.hero p.hero-fade-in { animation-delay: 0.25s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .line-gradient { animation: none; }
    .hero-fade-in { animation: none; opacity: 1; transform: none; }
}

@media (max-width: 600px) {
    .hero { padding: 10vh 18px 6vh; }
    .line-plain { font-size: 1.05rem; }
    .hero p { font-size: 0.95rem; }
}

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

.cards-section {
    padding: 6vh 24px 10vh;
}

.cards-grid {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
    border: 1px solid var(--border-soft);
    border-radius: 16px;
    padding: 38px 35px;
    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(46, 204, 156, 0.35);
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(22, 160, 133, 0.22), rgba(29, 92, 140, 0.22));
    border: 1px solid rgba(46, 204, 156, 0.3);
    margin-bottom: 20px;
}

.card-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--green-400);
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text-light);
}

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

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

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

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

.signal-line {
    padding: 8vh 24px 14vh;
    text-align: center;
}

.signal-inner {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signal-status {
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green-400);
    margin: 0 0 1.4rem;
}

.signal-cta {
    display: inline-block;
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    font-size: 1.05rem;
    padding: 18px 46px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--green-500), var(--blue-500));
    box-shadow: 0 8px 30px rgba(22, 160, 133, 0.3);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.signal-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(22, 160, 133, 0.45);
}

.signal-cta:focus-visible {
    outline: 2px solid var(--green-400);
    outline-offset: 4px;
}

.signal-sub {
    margin: 1.4rem 0 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
    .signal-cta { transition: none; }
}

@media (max-width: 600px) {
    .signal-line { padding: 6vh 16px 10vh; }
    .signal-cta { padding: 15px 32px; font-size: 0.95rem; }
}

/* ---- 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: 5;
    background: var(--deep-navy);
    padding: 20px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

footer a {
    color: var(--green-400);
}

footer div {
    margin: 4px 0;
}