/* Orbital Relay — shared prose-page styles for /about/ and /wiki/.
 * Reuses landing.css's header/footer classes verbatim (same markup, same
 * classes) so the two docs pages don't fork the nav/footer chrome; this file
 * only adds the reading-column layout those pages need on top.
 */

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

html {
    color-scheme: dark;
}

body {
    font-family: var(--font-mono);
    background: var(--c-void);
    color: var(--c-text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--c-signal);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    z-index: 100;
    padding: 0.6rem 1rem;
    background: var(--c-signal);
    color: #001018;
    font-weight: 700;
    text-decoration: none;
    border-radius: 4px;
    transition: top 0.15s ease;
}

.skip-link:focus {
    top: calc(1rem + var(--sa-top));
}

/* ── Header (byte-for-byte the same classes as landing.css's .site-header) ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding-top: var(--sa-top);
    background: rgba(5, 8, 16, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--c-line);
}

.site-header__inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.9rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wordmark {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
    color: var(--c-text);
}

.wordmark__logo {
    display: block;
    border-radius: 4px;
}

.wordmark__accent {
    color: var(--c-signal);
}

.header-cta {
    padding: 0.5rem 1rem;
    border: 1px solid var(--c-signal);
    border-radius: 4px;
    color: var(--c-signal);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    transition: background 0.15s ease, color 0.15s ease;
}

.header-cta:hover {
    background: var(--c-signal);
    color: #001018;
}

/* ── Reading column ────────────────────────────────────────────────────── */
.docs-main {
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(2rem, 6vh, 3.5rem) 1.5rem clamp(3rem, 8vh, 5rem);
}

.docs-hero {
    margin-bottom: 2.5rem;
}

.docs-hero .eyebrow {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--c-signal-dim);
    margin-bottom: 0.6rem;
}

.docs-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 0.75rem;
}

.docs-hero p {
    color: var(--c-text-dim);
    line-height: 1.6;
    max-width: 60ch;
}

.docs-toc {
    margin: 1.75rem 0 0;
    padding: 1rem 1.2rem;
    background: var(--c-panel);
    border: 1px solid var(--c-line);
    border-radius: 6px;
}

.docs-toc h2 {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    margin-bottom: 0.6rem;
}

.docs-toc ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
}

.docs-toc a {
    text-decoration: none;
    font-size: 0.85rem;
}

.docs-toc a:hover {
    text-decoration: underline;
}

.docs-section {
    padding-top: 2.75rem;
    margin-top: 2.75rem;
    border-top: 1px solid var(--c-line);
    scroll-margin-top: calc(4.5rem + var(--sa-top));
}

.docs-section:first-of-type {
    padding-top: 0;
    margin-top: 0;
    border-top: none;
}

.docs-section h2 {
    font-size: clamp(1.15rem, 2.6vw, 1.4rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.docs-section h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-signal);
    margin: 1.4rem 0 0.5rem;
}

.docs-section p {
    line-height: 1.7;
    color: var(--c-text);
    margin-bottom: 0.9rem;
}

.docs-section p.dim {
    color: var(--c-text-dim);
    font-size: 0.9rem;
}

.docs-section ul,
.docs-section ol {
    line-height: 1.7;
    margin: 0 0 0.9rem 1.3rem;
}

.docs-section li {
    margin-bottom: 0.35rem;
}

.docs-citation {
    padding: 0.9rem 1.1rem;
    background: var(--c-panel);
    border: 1px solid var(--c-line);
    border-left: 3px solid var(--c-signal);
    border-radius: 4px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--c-text-dim);
    margin: 1rem 0;
}

.docs-warn {
    padding: 0.9rem 1.1rem;
    background: rgba(255, 140, 90, 0.08);
    border: 1px solid rgba(255, 140, 90, 0.35);
    border-left: 3px solid var(--c-warn);
    border-radius: 4px;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--c-warn);
    margin: 1rem 0;
}

/* Glossary + app-reference definition list */
.docs-dl {
    margin: 0.5rem 0 1.2rem;
}

.docs-dl dt {
    font-weight: 700;
    color: var(--c-signal);
    font-size: 0.92rem;
    margin-top: 0.9rem;
}

.docs-dl dd {
    margin: 0.25rem 0 0;
    color: var(--c-text-dim);
    line-height: 1.6;
    font-size: 0.88rem;
}

.docs-app {
    padding: 1.1rem 1.2rem;
    background: var(--c-panel);
    border: 1px solid var(--c-line);
    border-radius: 6px;
    margin-bottom: 1.1rem;
}

.docs-app h3 {
    margin-top: 0;
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
}

.docs-app__path {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--c-text-dim);
}

.docs-app__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.7rem;
}

.docs-app__filters span {
    font-size: 0.68rem;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--c-line);
    border-radius: 3px;
    color: var(--c-text-dim);
    letter-spacing: 0.02em;
}

/* ── Footer (same classes/markup as landing.css) ──────────────────────── */
.site-footer {
    border-top: 1px solid var(--c-line);
    background: var(--c-panel);
}

.site-footer__inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1.5rem calc(1.75rem + var(--sa-bottom));
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(4, 1fr);
    gap: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--c-line);
}

.site-footer__tagline {
    margin-top: 0.5rem;
    color: var(--c-text-dim);
    font-size: 0.85rem;
    max-width: 30ch;
}

.site-footer__col h3 {
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-text-dim);
    margin-bottom: 0.75rem;
}

.site-footer__col ul {
    list-style: none;
}

.site-footer__col li {
    margin-bottom: 0.5rem;
}

.site-footer__col a {
    text-decoration: none;
    font-size: 0.85rem;
    color: var(--c-text);
}

.site-footer__col a:hover {
    color: var(--c-signal);
}

.site-footer__bottom {
    padding-top: 1.5rem;
    font-size: 0.78rem;
    color: var(--c-text-dim);
    line-height: 1.6;
}

.site-footer__meta {
    margin-top: 0.5rem;
    font-size: 0.72rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    .site-footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem 1.5rem;
    }

    .site-footer__brand {
        grid-column: 1 / -1;
    }

    .docs-toc ul {
        gap: 0.4rem 0.9rem;
    }
}

@media (max-width: 480px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .docs-main {
        padding-left: 1.1rem;
        padding-right: 1.1rem;
    }
}

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