@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;600;700;800&family=Inter:wght@400;500;600&display=swap');

:root {
    --bg-navy: #0a121d;
    --bg-navy-2: #101f30;
    --ice: #dbe8f2;
    --muted: #93a8bc;
    --muted-2: #7a8ea3;
    --gold: #e5b268;
    --gold-bright: #f5c97e;
    --card-bg: rgba(255,255,255,0.045);
    --card-border: rgba(255,255,255,0.10);
    --card-border-hover: rgba(229,178,104,0.45);
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    background: var(--bg-navy);
    color: var(--ice);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* ── Background canvas ─────────────────────────────────────────── */

#bg-canvas {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
    display: block;
    background: linear-gradient(to bottom, #060b12 0%, #0c1a29 45%, #16283c 75%, #1d3247 100%);
}

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

/* ── Nav ────────────────────────────────────────────────────────── */

nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 74px;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 44px;
    background: rgba(9, 16, 26, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    z-index: 50;
}

.wordmark {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: baseline;
}
.wordmark .alti { color: var(--ice); }
.wordmark .crest { color: var(--gold-bright); }

.nav-link {
    display: inline-block;
    padding: 10px 22px;
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: none;
    color: var(--ice);
    background: transparent;
    transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
}
.nav-link:hover, .nav-link:focus-visible {
    background: var(--gold-bright);
    border-color: var(--gold-bright);
    color: #16202b;
    transform: translateY(-1px);
}
.nav-link:focus-visible { outline: 2px solid var(--gold-bright); outline-offset: 3px; }

@media (max-width: 650px) {
    nav { padding: 0 20px; height: 64px; }
    .wordmark { font-size: 1.2rem; }
    .nav-link { padding: 8px 16px; font-size: 0.78rem; }
}

/* ── Hero ───────────────────────────────────────────────────────── */

.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: calc(14vh + 74px);
    padding-bottom: 9vh;
    padding-left: 24px;
    padding-right: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.eyebrow {
    font-family: 'Big Shoulders Display', sans-serif;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    font-size: 0.78rem;
    color: var(--gold);
    margin-bottom: 22px;
}

.hero h1 {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 700;
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.06;
    letter-spacing: -0.01em;
    margin: 0 0 28px 0;
    color: var(--ice);
}
.hero h1 span { display: block; }
.hero h1 .accent { color: var(--gold-bright); }

.hero > p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--muted);
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    line-height: 1.65;
}

@media (max-width: 600px) {
    .hero { padding-top: calc(12vh + 64px); padding-bottom: 6vh; }
}

/* ── Cards ──────────────────────────────────────────────────────── */

.grid {
    width: 100%;
    max-width: 1200px;
    margin: 60px auto 0;
    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: 16px;
    padding: 38px 34px;
    text-align: left;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    transition: transform 0.35s ease, border-color 0.35s ease, background 0.35s ease;
}
.card:hover {
    transform: translateY(-7px);
    border-color: var(--card-border-hover);
    background: rgba(255,255,255,0.065);
}

.card .tag {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    font-family: 'Big Shoulders Display', sans-serif;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-size: 0.78rem;
    color: var(--gold);
    margin-bottom: 16px;
}
.card .tag span:last-child {
    color: var(--muted-2);
    letter-spacing: 0.08em;
}

.card h3 {
    font-family: 'Big Shoulders Display', sans-serif;
    font-weight: 600;
    font-size: 1.35rem;
    margin: 0 0 12px 0;
    color: var(--ice);
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.6;
}

@media (max-width: 600px) {
    .grid { gap: 18px; margin-top: 40px; }
    .card { padding: 30px 26px; }
}

/* ── Signal line (CTA) ─────────────────────────────────────────── */

.signal-line {
    text-align: center;
    padding: 110px 24px 150px;
    position: relative;
    z-index: 1;
}

.signal-inner {
    max-width: 600px;
    margin: 0 auto;
}

.signal-status {
    font-family: 'Big Shoulders Display', sans-serif;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-size: 0.82rem;
    color: var(--gold);
    margin: 0 0 26px 0;
}

.signal-cta {
    display: inline-block;
    padding: 19px 46px;
    background: linear-gradient(135deg, var(--gold-bright), var(--gold) 70%);
    color: #17222e;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.03em;
    text-transform: none;
    border-radius: 999px;
    box-shadow: 0 12px 30px rgba(229,178,104,0.22);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.signal-cta:hover, .signal-cta:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 16px 38px rgba(229,178,104,0.32);
}
.signal-cta:focus-visible { outline: 2px solid var(--ice); outline-offset: 4px; }

.signal-sub {
    margin: 22px 0 0 0;
    color: var(--muted-2);
    font-size: 0.85rem;
}

@media (max-width: 480px) {
    .signal-line { padding: 80px 20px 110px; }
    .signal-cta { padding: 16px 34px; font-size: 0.95rem; }
}

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