@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@500;600;700;900&family=Inter:wght@400;500;600&display=swap');

:root {
    --obsidian: #0a0a0c;
    --obsidian-2: #141316;
    --ivory: #f4f1ea;
    --muted: #a39c8e;
    --gold: #caa355;
    --gold-bright: #e8c878;
    --gold-dim: rgba(202, 163, 85, 0.14);
    --border: rgba(202, 163, 85, 0.18);
}

* { box-sizing: border-box; }

html {
    overflow-x: hidden;
}

body {
    margin: 0; padding: 0;
    font-family: 'Inter', sans-serif;
    background: var(--obsidian);
    color: var(--ivory);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ---- Background: quiet glow + fine grid, not a busy animation ---- */

.blueprint-bg {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    background:
        radial-gradient(circle at 20% 15%, rgba(202, 163, 85, 0.09), transparent 55%),
        radial-gradient(circle at 80% 85%, rgba(202, 163, 85, 0.05), transparent 55%),
        var(--obsidian);
}

.tech-grid {
    position: fixed; inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image:
        linear-gradient(var(--border) 1px, transparent 1px),
        linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 90px 90px;
    opacity: 0.25;
}

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

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

nav {
    position: sticky; top: 0; left: 0; width: 100%;
    z-index: 100;
    box-sizing: border-box;
    padding: 26px 0;
    background: rgba(10, 10, 12, 0.45);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    transition: padding 250ms ease, background 250ms ease, box-shadow 250ms ease;
}

nav.nav-scrolled {
    padding: 12px 0;
    background: rgba(10, 10, 12, 0.94);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
}

@media (prefers-reduced-motion: reduce) {
    nav, .logo, .nav-link { 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: 'Fraunces', serif;
    font-weight: 700;
    font-size: 22px;
    letter-spacing: 0.04em;
    color: var(--ivory);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: font-size 250ms ease;
}

.logo-mark {
    width: 20px;
    height: 16px;
    flex-shrink: 0;
    transition: width 250ms ease, height 250ms ease;
}

nav.nav-scrolled .logo-mark { width: 16px; height: 13px; }

.logo-mark rect {
    fill: var(--gold);
}

nav.nav-scrolled .logo { font-size: 18px; }

.nav-link {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.02em;
    padding: 12px 26px;
    border-radius: 2px;
    color: var(--obsidian);
    background: linear-gradient(135deg, var(--gold-bright), var(--gold));
    display: inline-block;
    white-space: nowrap;
    transition: padding 250ms ease, font-size 250ms ease, transform 180ms ease, box-shadow 180ms ease;
}

nav.nav-scrolled .nav-link { padding: 9px 20px; font-size: 13px; }

.nav-link:hover,
.nav-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(202, 163, 85, 0.35);
}

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

@media (max-width: 650px) {
    .nav-inner { padding: 0 20px; }
    .logo { font-size: 17px; }
    .nav-link { padding: 9px 16px; font-size: 12px; }

    nav.nav-scrolled .logo { font-size: 15px; }
    nav.nav-scrolled .nav-link { padding: 7px 14px; font-size: 11px; }
}

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

.hero {
    position: relative; z-index: 2;
    max-width: 1000px; margin: 0 auto;
    padding: 13vh 24px 4vh;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold-bright);
    background: var(--gold-dim);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 18px;
    margin-bottom: 30px;
}

.brand-h1 {
    font-family: 'Fraunces', serif;
    font-weight: 900;
    font-size: clamp(2.4rem, 7vw, 6rem);
    line-height: 1.03;
    letter-spacing: -0.01em;
    margin: 0;
    color: var(--ivory);
}

.brand-h1 span { display: block; }

.line-1 {
    color: var(--ivory);
}

.line-2 {
    color: var(--gold);
    font-style: italic;
    font-weight: 500;
}

.hero-tagline {
    margin: 28px auto 0;
    max-width: 640px;
    font-size: clamp(1rem, 1.4vw, 1.2rem);
    color: var(--muted);
    line-height: 1.7;
}

@media (max-width: 600px) {
    .hero { padding: 11vh 18px 2vh; }
    .hero-tagline { font-size: 1rem; }
}

/* ---- Waveform emblem ---- */

.wave-wrap {
    margin: 56px 0 10px;
    display: flex;
    justify-content: center;
}

.wave-emblem {
    width: min(480px, 92vw);
    height: auto;
}

.wave-emblem rect {
    fill: var(--gold);
}

.wave-emblem .bar-pulse {
    transform-box: fill-box;
    transform-origin: center;
    animation: barPulse 2.6s ease-in-out infinite;
}

.wave-emblem .bar-pulse:nth-of-type(2) { animation-delay: 0.25s; }
.wave-emblem .bar-pulse:nth-of-type(3) { animation-delay: 0.5s; }
.wave-emblem .bar-pulse:nth-of-type(4) { animation-delay: 0.75s; }

@keyframes barPulse {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.18); }
}

@media (prefers-reduced-motion: reduce) {
    .wave-emblem .bar-pulse { animation: none; }
}

.wave-caption {
    text-align: center;
    margin-top: 6px;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
}

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

.grid {
    position: relative; z-index: 2;
    max-width: 1200px; margin: 70px auto 0;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.card {
    background: var(--obsidian-2);
    border: 1px solid var(--border);
    border-top: 2px solid var(--gold);
    padding: 40px 36px;
    text-align: left;
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
    border-color: var(--gold-bright);
}

.card .index {
    display: block;
    font-family: 'Fraunces', serif;
    font-style: italic;
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--gold);
    margin-bottom: 18px;
}

.card h3 {
    font-family: 'Fraunces', serif;
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 0.01em;
    color: var(--ivory);
    margin: 0 0 14px;
}

.card p {
    font-size: 0.97rem;
    line-height: 1.65;
    color: var(--muted);
    margin: 0;
}

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

@media (max-width: 600px) {
    .grid { padding: 0 18px; gap: 18px; margin-top: 50px; }
    .card { padding: 30px 26px; }
}

/* ---- Signal Line (CTA) ---- */

.signal-line {
    position: relative; z-index: 2;
    padding: 60px 24px 120px;
    text-align: center;
}

.signal-inner {
    max-width: 680px; margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.signal-status {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    letter-spacing: 0.3em;
    font-size: 0.8rem;
    color: var(--gold-bright);
    margin: 0 0 24px;
}

.signal-cta {
    font-family: 'Fraunces', serif;
    font-weight: 700;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    padding: 20px 48px;
    border-radius: 2px;
    color: var(--obsidian);
    background: linear-gradient(135deg, var(--gold-bright), var(--gold));
    display: inline-block;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.signal-cta:hover,
.signal-cta:focus-visible {
    transform: translateY(-3px) scale(1.01);
    box-shadow: 0 14px 34px rgba(202, 163, 85, 0.4);
}

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

.signal-sub {
    margin: 20px 0 0;
    font-size: 0.9rem;
    color: var(--muted);
}

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

@media (max-width: 600px) {
    .signal-line { padding: 50px 18px 90px; }
    .signal-cta { padding: 16px 34px; font-size: 1.05rem; width: 100%; }
}

/* ---- Footer ---- */
/* Footer markup itself is injected via SSI and shouldn't be edited per-domain -
   spacing and contrast live here instead. */

footer {
    position: relative; z-index: 2;
    padding: 24px 20px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
    background: var(--obsidian-2);
    border-top: 1px solid var(--border);
}

footer div { margin: 4px 0; }

footer a { color: var(--ivory); }
footer a:hover { color: var(--gold-bright); }