/* jitvm — amber phosphor crt + assembly listings */

:root {
    --bg: #0c0d0a;
    --bg-card: #070806;
    --bg-elev: #131410;
    --amber: #ffb000;
    --amber-dim: #c98a00;
    --amber-hot: #ff8c00;
    --cream: #d4c9a8;
    --cream-dim: #8a8168;
    --rule: #2a2720;
    --rule-soft: #1a1814;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--bg);
    color: var(--cream);
    font-family: 'JetBrains Mono', ui-monospace, Menlo, monospace;
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    /* very subtle horizontal scanlines */
    background-image:
        repeating-linear-gradient(
            to bottom,
            rgba(255, 176, 0, 0.015) 0px,
            rgba(255, 176, 0, 0.015) 1px,
            transparent 1px,
            transparent 3px
        ),
        radial-gradient(ellipse at 50% 0%, rgba(255, 140, 0, 0.04), transparent 60%);
    background-attachment: fixed;
    min-height: 100vh;
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-hot); }

code {
    font-family: inherit;
    color: var(--amber);
    background: rgba(255, 176, 0, 0.06);
    padding: 1px 5px;
    border-radius: 2px;
    font-size: 0.92em;
}

em {
    font-style: italic;
    color: var(--amber);
}

.page {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- nav ---------- */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0;
    border-bottom: 1px solid var(--rule-soft);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--cream);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-link {
    color: var(--cream-dim);
    font-size: 14px;
}
.nav-link:hover { color: var(--amber); }

.nav-cta {
    color: var(--bg);
    background: var(--amber);
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 500;
    border-radius: 2px;
    letter-spacing: 0.02em;
}
.nav-cta:hover {
    background: var(--amber-hot);
    color: var(--bg);
    box-shadow: 0 0 14px rgba(255, 140, 0, 0.35);
}

/* ---------- hero ---------- */
.hero {
    padding: 88px 0 64px;
}

.hero-inner {
    max-width: 820px;
}

.hero-kicker {
    font-size: 12px;
    color: var(--cream-dim);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 28px;
}

.hero-title {
    font-family: 'Space Grotesk', 'JetBrains Mono', monospace;
    font-size: clamp(40px, 6.5vw, 68px);
    font-weight: 500;
    line-height: 1.05;
    letter-spacing: -0.02em;
    color: var(--cream);
    margin-bottom: 28px;
    /* subtle phosphor glow */
    text-shadow:
        0 0 1px rgba(212, 201, 168, 0.35),
        0 0 18px rgba(255, 176, 0, 0.04);
}

.accent {
    color: var(--amber);
    text-shadow:
        0 0 2px rgba(255, 176, 0, 0.5),
        0 0 16px rgba(255, 140, 0, 0.35),
        0 0 32px rgba(255, 140, 0, 0.15);
}

.hero-sub {
    font-size: 16px;
    color: var(--cream);
    max-width: 680px;
    margin-bottom: 36px;
    line-height: 1.75;
}

.hero-cta-row {
    display: flex;
    gap: 14px;
    margin-bottom: 56px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    padding: 11px 20px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 2px;
    letter-spacing: 0.02em;
    border: 1px solid transparent;
    transition: all 0.15s ease;
}
.btn-primary {
    background: var(--amber);
    color: var(--bg);
}
.btn-primary:hover {
    background: var(--amber-hot);
    color: var(--bg);
    box-shadow: 0 0 18px rgba(255, 140, 0, 0.4);
}
.btn-ghost {
    color: var(--cream);
    border-color: var(--rule);
}
.btn-ghost:hover {
    border-color: var(--amber);
    color: var(--amber);
}

/* ---------- frosted / demo pre ---------- */
.frosted {
    background: var(--bg-card);
    border: 1px solid var(--rule);
    border-radius: 3px;
    padding: 22px 24px;
    box-shadow:
        inset 0 0 40px rgba(255, 140, 0, 0.02),
        0 0 0 1px rgba(255, 176, 0, 0.04);
    position: relative;
    overflow-x: auto;
}

.frosted::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 176, 0, 0.02) 0px,
        rgba(255, 176, 0, 0.02) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
    border-radius: 3px;
}

pre.demo, .install pre {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    line-height: 1.7;
    color: var(--cream);
    white-space: pre;
    overflow-x: auto;
    text-shadow: 0 0 1px rgba(212, 201, 168, 0.2);
}

.c-cmd { color: var(--amber-dim); }
.c-accent { color: var(--amber); text-shadow: 0 0 6px rgba(255, 176, 0, 0.25); }
.c-dim { color: var(--cream-dim); }
.c-prompt { color: var(--amber-hot); font-weight: 500; }
.c-ret { color: var(--amber); }

.fade-label {
    text-align: center;
    color: var(--cream-dim);
    font-size: 12px;
    letter-spacing: 0.08em;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px dashed var(--rule-soft);
}

/* ---------- sections generic ---------- */
section {
    padding: 72px 0;
    border-top: 1px solid var(--rule-soft);
}
section:first-of-type { border-top: none; }

.section-eyebrow {
    font-size: 11px;
    color: var(--cream-dim);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.section-title {
    font-family: 'Space Grotesk', 'JetBrains Mono', monospace;
    font-size: clamp(26px, 3.4vw, 36px);
    font-weight: 500;
    letter-spacing: -0.015em;
    line-height: 1.15;
    color: var(--cream);
    margin-bottom: 40px;
}

/* ---------- features ---------- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: var(--rule-soft);
    border: 1px solid var(--rule-soft);
}

.feature {
    background: var(--bg);
    padding: 28px 26px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-icon {
    width: 28px;
    height: 28px;
    color: var(--amber);
    margin-bottom: 4px;
    filter: drop-shadow(0 0 4px rgba(255, 176, 0, 0.3));
}
.feature-icon svg { width: 100%; height: 100%; }

.feature h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    font-weight: 500;
    color: var(--amber);
    letter-spacing: -0.005em;
}

.feature p {
    font-size: 14px;
    color: var(--cream);
    line-height: 1.65;
}

/* ---------- essay ---------- */
.essay {
    padding: 88px 0;
}

.essay-rule {
    width: 48px;
    height: 1px;
    background: var(--amber);
    box-shadow: 0 0 8px rgba(255, 176, 0, 0.4);
}

.essay-body {
    max-width: 680px;
    margin: 0 auto;
}

.essay-body p {
    font-size: 15.5px;
    line-height: 1.82;
    color: var(--cream);
    margin-bottom: 22px;
}
.essay-body p:last-child { margin-bottom: 0; }

.essay-body .pull {
    color: var(--amber);
    font-style: italic;
}

/* ---------- install ---------- */
.install-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 18px;
}

.install-card {
    background: var(--bg-card);
    border: 1px solid var(--rule);
    border-radius: 3px;
    padding: 22px 20px;
    position: relative;
    overflow: hidden;
}

.install-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        to bottom,
        rgba(255, 176, 0, 0.015) 0px,
        rgba(255, 176, 0, 0.015) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
}

.install-card > * { position: relative; }

.install-card h3 {
    font-size: 13px;
    font-weight: 500;
    color: var(--amber);
    letter-spacing: 0.04em;
    text-transform: lowercase;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.install-card .soon {
    font-size: 10px;
    color: var(--cream-dim);
    border: 1px solid var(--rule);
    padding: 1px 6px;
    border-radius: 2px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.install-card pre {
    background: #000;
    border: 1px solid var(--rule-soft);
    border-radius: 2px;
    padding: 12px 14px;
    font-size: 12.5px;
    color: var(--amber);
    overflow-x: auto;
    margin-bottom: 12px;
    text-shadow: 0 0 6px rgba(255, 176, 0, 0.3);
}
.install-card pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.install-card .note {
    font-size: 12.5px;
    color: var(--cream-dim);
    line-height: 1.6;
}

/* ---------- footer ---------- */
.footer {
    padding: 40px 0 56px;
    border-top: 1px solid var(--rule-soft);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
    color: var(--cream-dim);
    flex-wrap: wrap;
    gap: 14px;
}

.footer-links {
    display: flex;
    gap: 20px;
}
.footer-links a { color: var(--cream-dim); }
.footer-links a:hover { color: var(--amber); }

/* ---------- responsive ---------- */
@media (max-width: 640px) {
    .page { padding: 0 18px; }
    .hero { padding: 56px 0 40px; }
    section { padding: 56px 0; }
    pre.demo { font-size: 11.5px; }
    .nav-right { gap: 14px; }
}