@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=Space+Mono:wght@400;700&display=swap');

:root {
    --bg: #070b14;
    --bg-soft: #0b1224;
    --teal: #2dd4bf;
    --teal-dim: rgba(45, 212, 191, 0.35);
    --amber: #f2b774;
    --text: #edf2f6;
    --muted: #9db0c6;
    --card-bg: rgba(255, 255, 255, 0.035);
    --card-border: rgba(255, 255, 255, 0.09);
}

* , *::before, *::after { box-sizing: border-box; }

html, body {
    margin: 0; padding: 0;
    width: 100%;
    overflow-x: hidden;
    background: var(--bg);
    min-height: 100vh;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
    position: relative;
}

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

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

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

section, footer { position: relative; z-index: 1; }

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    padding: 20px 6vw;
    background: rgba(7, 11, 20, 0.55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.logo {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 1.35rem;
    letter-spacing: 0.01em;
    color: var(--text);
    text-transform: none;
}
.logo span { color: var(--teal); font-style: italic; }

.nav-link {
    font-family: 'Space Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 10px 20px;
    border: 1px solid var(--teal-dim);
    border-radius: 999px;
    color: var(--teal);
    background: rgba(45, 212, 191, 0.06);
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease, border-color 0.25s ease;
    white-space: nowrap;
}
.nav-link:hover {
    background: var(--teal);
    color: #06110f;
    border-color: var(--teal);
    transform: translateY(-1px);
}
.nav-link:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 3px;
}

@media (max-width: 650px) {
    nav { padding: 16px 5vw; }
    .logo { font-size: 1.1rem; }
    .nav-link { padding: 8px 14px; font-size: 0.7rem; }
}

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

.hero {
    padding: 14vh 6vw 8vh;
    min-height: 92vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
}

.eyebrow {
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--amber);
    margin-bottom: 28px;
}

.hero h1 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.08;
    letter-spacing: -0.01em;
    max-width: 15ch;
    margin: 0 auto;
    color: var(--text);
}

.hero-sub {
    margin: 30px auto 0;
    max-width: 680px;
    font-size: clamp(1rem, 1.3vw, 1.15rem);
    color: var(--muted);
    line-height: 1.7;
}

@media (max-width: 480px) {
    .hero { padding: 12vh 6vw 6vh; min-height: unset; }
    .hero-sub { font-size: 0.95rem; }
}

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

.cards {
    padding: 6vh 6vw 12vh;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1280px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 38px 35px;
    text-align: left;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-6px);
    border-color: var(--teal-dim);
    box-shadow: 0 20px 40px -20px rgba(45, 212, 191, 0.25);
}

.card-label {
    display: block;
    font-family: 'Space Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    color: var(--teal);
    margin-bottom: 18px;
}

.card h3 {
    font-family: 'Fraunces', serif;
    font-weight: 500;
    font-size: 1.28rem;
    margin: 0 0 14px;
    line-height: 1.3;
    color: var(--text);
}

.card p {
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.65;
    margin: 0;
}

@media (max-width: 600px) {
    .cards { grid-template-columns: 1fr; padding: 4vh 6vw 8vh; }
    .card { padding: 30px 26px; }
}

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

.signal-line {
    padding: 10vh 6vw 14vh;
    text-align: center;
    position: relative;
    z-index: 1;
}

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

.signal-status {
    font-family: 'Space Mono', monospace;
    font-size: 0.78rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--teal);
    margin: 0 0 26px;
}

.signal-cta {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
    text-decoration: none;
    padding: 18px 44px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--teal), #1fa591);
    color: #06110f;
    box-shadow: 0 18px 40px -14px rgba(45, 212, 191, 0.55);
    transition: transform 0.2s ease, box-shadow 0.25s ease, filter 0.25s ease;
}
.signal-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px -14px rgba(45, 212, 191, 0.7);
    filter: brightness(1.06);
}
.signal-cta:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 4px;
}

.signal-sub {
    margin: 22px 0 0;
    font-size: 0.85rem;
    color: var(--muted);
    opacity: 0.75;
}

@media (max-width: 480px) {
    .signal-line { padding: 8vh 6vw 10vh; }
    .signal-cta { width: 100%; padding: 16px 0; font-size: 0.98rem; }
}

/* ---- Motion ---- */

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