:root {
    --fg: #0f1729;
    --fg-soft: #364154;
    --bg: #ffffff;
    --bg-elev: #f6f8fb;
    --muted: #6b7585;
    --accent: #0a5cff;
    --accent-hover: #0848cc;
    --border: #e3e8ef;
    --line: #c9d2df;
    --grid: #eef1f6;
    --node: #ffffff;
    --shadow: 0 1px 2px rgba(15, 23, 41, 0.04), 0 8px 24px -8px rgba(15, 23, 41, 0.08);
    --max-width: 72rem;
    --radius: 12px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --fg: #f1f4f9;
        --fg-soft: #c4cbd6;
        --bg: #0b0f17;
        --bg-elev: #121826;
        --muted: #8d96a7;
        --accent: #5b8bff;
        --accent-hover: #80a4ff;
        --border: #1f2738;
        --line: #2a334a;
        --grid: #161d2c;
        --node: #0b0f17;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -8px rgba(0, 0, 0, 0.5);
    }
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover { color: var(--accent-hover); text-decoration: underline; }

h1, h2, h3 {
    color: var(--fg);
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: saturate(150%) blur(8px);
    -webkit-backdrop-filter: saturate(150%) blur(8px);
    border-bottom: 1px solid var(--border);
    z-index: 10;
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--fg);
    font-weight: 600;
    letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
    width: 28px;
    height: 28px;
    color: var(--accent);
}
.nav {
    display: flex;
    gap: 1.5rem;
}
.nav a {
    color: var(--fg-soft);
    font-size: 0.95rem;
    font-weight: 500;
}
.nav a:hover { color: var(--accent); text-decoration: none; }

/* ---------- Hero ---------- */
.hero {
    padding: 5rem 0 4rem;
    background:
        radial-gradient(60rem 30rem at 80% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 60%),
        radial-gradient(40rem 20rem at -10% 30%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 60%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 3rem;
    align-items: center;
}
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent);
    margin: 0 0 1rem;
}
.hero h1 {
    font-size: clamp(2.1rem, 4.5vw, 3.4rem);
    line-height: 1.1;
    margin: 0 0 1.25rem;
}
.lede {
    font-size: 1.125rem;
    color: var(--fg-soft);
    margin: 0 0 2rem;
    max-width: 36rem;
}
.cta-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.cta.primary {
    background: var(--accent);
    color: #fff;
}
.cta.primary:hover {
    background: var(--accent-hover);
    color: #fff;
    text-decoration: none;
}
.cta.ghost {
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border);
}
.cta.ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
    text-decoration: none;
}

.hero-art {
    display: block;
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}
.hero-art svg {
    width: 100%;
    height: auto;
    display: block;
}

/* ---------- Capabilities ---------- */
.capabilities {
    padding: 5rem 0;
    border-top: 1px solid var(--border);
}
.capabilities h2 {
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    margin-bottom: 2.5rem;
    text-align: center;
}
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}
.card-icon {
    width: 36px;
    height: 36px;
    color: var(--accent);
    margin-bottom: 1rem;
}
.card h3 {
    font-size: 1.15rem;
    margin: 0 0 0.5rem;
}
.card p {
    color: var(--fg-soft);
    font-size: 0.96rem;
    margin: 0;
}

/* ---------- Contact ---------- */
.contact {
    padding: 5rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
}
.contact h2 {
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    margin-bottom: 1rem;
}
.contact p {
    color: var(--fg-soft);
    max-width: 36rem;
    margin: 0 auto 1rem;
}
.contact-line {
    font-size: 1.25rem;
    margin-top: 1.5rem !important;
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    color: var(--muted);
    font-size: 0.875rem;
    text-align: center;
}
.site-footer p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .hero { padding: 3.5rem 0 2.5rem; }
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .hero-art { order: -1; }
    .cards { grid-template-columns: 1fr; }
    .nav { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .hero-art animateMotion,
    .hero-art animate { display: none; }
    .card { transition: none; }
}