/* ScyllaChat site: hand-rolled, no build step.
   Palette is the app's own: abyss purple-black, #7c3aed accent. */

:root {
    --abyss: #0d0b14;
    --ink: #17121f;
    --ink-raised: #1e1729;
    --scylla: #7c3aed;
    --tide: #9d8cff;
    --foam: #e8e4f0;
    --kelp: #8d84a3;
    --line: rgba(157, 140, 255, 0.14);
    --narration: #a8a8a8;
    --dialogue: #87ceeb;
    --max: 1080px;
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Figtree', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
    margin: 0;
    background:
        radial-gradient(1100px 500px at 85% -10%, rgba(124, 58, 237, 0.14), transparent 60%),
        radial-gradient(900px 600px at -10% 30%, rgba(124, 58, 237, 0.07), transparent 55%),
        var(--abyss);
    color: var(--foam);
    font-family: var(--font-body);
    font-size: 16.5px;
    line-height: 1.65;
}

a { color: var(--tide); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--tide); outline-offset: 2px; border-radius: 4px; }

code, kbd, .macro {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background: rgba(124, 58, 237, 0.12);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 0.1em 0.4em;
    color: #cbc0ff;
}

pre {
    background: var(--ink);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 14px 16px;
    overflow-x: auto;
    position: relative;
}
pre code { background: none; border: none; padding: 0; color: var(--foam); font-size: 0.85rem; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background: rgba(13, 11, 20, 0.82);
    border-bottom: 1px solid var(--line);
}
.site-header .bar {
    max-width: var(--max);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--foam);
}
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.site-nav { margin-left: auto; display: flex; gap: 22px; align-items: center; font-weight: 500; font-size: 0.95rem; }
.site-nav a { color: var(--kelp); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--foam); text-decoration: none; }
.btn {
    display: inline-block;
    background: var(--scylla);
    color: #fff;
    font-weight: 600;
    padding: 9px 18px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.14);
}
.btn:hover { background: #8b52f0; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--foam); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--tide); background: rgba(124, 58, 237, 0.1); }

/* ---------- Landing hero ---------- */
.hero {
    max-width: var(--max);
    margin: 0 auto;
    padding: 72px 24px 56px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 56px;
    align-items: center;
}
.hero h1 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(2.1rem, 4.6vw, 3.3rem);
    line-height: 1.12;
    letter-spacing: -0.015em;
    margin: 0 0 18px;
}
.hero h1 em { font-style: italic; color: var(--tide); }
.hero .lede { color: var(--kelp); font-size: 1.1rem; margin: 0 0 28px; max-width: 46ch; }
.hero .cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero .cta-note { color: var(--kelp); font-size: 0.85rem; margin-top: 14px; }
.hero .cta-note code { font-size: 0.8rem; }

/* Hero screenshot: the real app, framed */
.hero-shot {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    background: var(--ink);
}
.hero-shot img { display: block; width: 100%; }
.hero-shot figcaption {
    padding: 10px 14px;
    color: var(--kelp);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    border-top: 1px solid var(--line);
}

/* ---------- Feature grid ---------- */
.section { max-width: var(--max); margin: 0 auto; padding: 48px 24px; }
.section > h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.7rem;
    margin: 0 0 8px;
}
.section > .sub { color: var(--kelp); margin: 0 0 32px; max-width: 62ch; }
.ledger { border-top: 1px solid var(--line); }
.ledger-row {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 28px;
    padding: 16px 4px;
    border-bottom: 1px solid var(--line);
    align-items: baseline;
}
.ledger-row h3 { margin: 0; font-size: 1rem; font-weight: 600; }
.ledger-row p { margin: 0; color: var(--kelp); font-size: 0.94rem; }
.ledger-row .tag {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--tide);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 2px 8px;
    margin-left: 8px;
    vertical-align: middle;
}
a.ledger-row { color: inherit; }
a.ledger-row:hover { text-decoration: none; background: rgba(124, 58, 237, 0.05); }
a.ledger-row:hover h3 { color: var(--tide); }
@media (max-width: 700px) {
    .ledger-row { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Install strip ---------- */
.install-strip {
    background: var(--ink);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}
.install-strip .section { padding: 40px 24px; }
.install-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.install-cols h3 { margin: 0 0 6px; font-size: 1rem; }
.install-cols p { color: var(--kelp); font-size: 0.9rem; margin: 0 0 10px; }

.site-footer { max-width: var(--max); margin: 0 auto; padding: 36px 24px 48px; color: var(--kelp); font-size: 0.85rem; display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--kelp); }

/* ---------- Docs layout ---------- */
.docs-wrap {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 48px;
}
.docs-sidebar {
    position: sticky;
    top: 68px;
    align-self: start;
    /* no overflow clipping: the search results panel overhangs the column.
       z-index lifts the whole sidebar stacking context above .docs-main,
       whose relative-positioned children (pre blocks) otherwise paint over
       the results dropdown in DOM order. Header stays above at 50. */
    z-index: 40;
    padding: 28px 0 40px;
    font-size: 0.92rem;
}
.docs-sidebar .group {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--kelp);
    margin: 22px 0 8px;
}
.docs-sidebar .group:first-child { margin-top: 0; }
.docs-sidebar a { display: block; color: var(--kelp); padding: 5px 10px; border-radius: 8px; border-left: 2px solid transparent; }
.docs-sidebar a:hover { color: var(--foam); text-decoration: none; background: rgba(124, 58, 237, 0.08); }
.docs-sidebar a[aria-current="page"] { color: var(--foam); border-left-color: var(--scylla); background: rgba(124, 58, 237, 0.1); }

.docs-main { padding: 34px 0 80px; min-width: 0; }
.docs-main h1 { font-family: var(--font-display); font-weight: 600; font-size: 2.1rem; margin: 0 0 10px; letter-spacing: -0.01em; }
.docs-main .lede { color: var(--kelp); font-size: 1.05rem; margin: 0 0 30px; max-width: 62ch; }
.docs-main h2 {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.35rem;
    margin: 44px 0 12px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
}
.docs-main h3 { font-size: 1.05rem; margin: 26px 0 8px; }
.docs-main p, .docs-main li { color: #cfc9dd; max-width: 70ch; }
.docs-main img.shot {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45);
    margin: 6px 0 4px;
}
.docs-main figure { margin: 20px 0 26px; }
.docs-main figcaption { color: var(--kelp); font-size: 0.85rem; margin-top: 8px; }

.callout {
    border: 1px solid var(--line);
    border-left: 3px solid var(--scylla);
    background: rgba(124, 58, 237, 0.07);
    border-radius: 10px;
    padding: 12px 16px;
    margin: 18px 0;
    font-size: 0.94rem;
}
.callout.warn { border-left-color: #e0a34e; background: rgba(224, 163, 78, 0.07); }

.step-list { counter-reset: step; list-style: none; padding-left: 0; }
.step-list > li { counter-increment: step; position: relative; padding-left: 44px; margin-bottom: 14px; }
.step-list > li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 1px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(124, 58, 237, 0.16);
    border: 1px solid var(--line);
    color: var(--tide);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.next-prev { display: flex; justify-content: space-between; gap: 12px; margin-top: 56px; }
.next-prev a {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--foam);
    background: var(--ink);
    font-size: 0.92rem;
}
.next-prev a:hover { border-color: var(--tide); text-decoration: none; }
.next-prev .dir { display: block; font-family: var(--font-mono); font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--kelp); }

/* ---------- Mobile ---------- */
.menu-toggle { display: none; }
@media (max-width: 860px) {
    .hero { grid-template-columns: 1fr; padding-top: 44px; gap: 36px; }
    .docs-wrap { grid-template-columns: 1fr; gap: 0; }
    .menu-toggle {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: none;
        border: 1px solid var(--line);
        border-radius: 8px;
        color: var(--foam);
        font: inherit;
        font-size: 0.85rem;
        padding: 6px 12px;
        cursor: pointer;
    }
    .docs-sidebar { display: none; position: static; max-height: none; padding-top: 14px; }
    .docs-sidebar.open { display: block; }
    .site-nav { gap: 14px; }
    .site-nav .btn { padding: 7px 12px; }
}

/* Small-screen header */
.btn { white-space: nowrap; }
@media (max-width: 560px) {
    .site-header .bar { padding: 10px 14px; gap: 10px; }
    .brand { font-size: 1.02rem; }
    .brand img { width: 26px; height: 26px; }
    .site-nav { gap: 12px; font-size: 0.88rem; }
    .site-nav a[href="index.html#features"] { display: none; }
    .site-nav .btn { padding: 7px 12px; font-size: 0.85rem; }
    .hero { padding-top: 36px; }
}

/* Beta and experimental badges */
.beta-badge {
    font-family: var(--font-mono);
    font-size: 0.58rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--tide);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 2px 7px;
    margin-left: 8px;
    vertical-align: 2px;
}
.side-badge, .page-badge {
    font-family: var(--font-mono);
    font-size: 0.56rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #e0a34e;
    border: 1px solid rgba(224, 163, 78, 0.35);
    border-radius: 999px;
    padding: 1px 6px;
    margin-left: 4px;
}
.page-badge { font-size: 0.65rem; vertical-align: 6px; padding: 3px 9px; }
.ledger-row .tag.exp { color: #e0a34e; border-color: rgba(224, 163, 78, 0.35); }

/* ---------- Download dropdown ---------- */
.dl-wrap { position: relative; }
.dl-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 260px;
    background: var(--ink-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
    padding: 6px;
    z-index: 60;
}
.dl-menu a {
    display: block;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--foam);
    font-size: 0.92rem;
    font-weight: 500;
}
.dl-menu a:hover { background: rgba(124, 58, 237, 0.14); text-decoration: none; }
.dl-menu a span { display: block; color: var(--kelp); font-size: 0.78rem; font-weight: 400; }
.dl-menu .dl-guide { border-top: 1px solid var(--line); border-radius: 0 0 8px 8px; margin-top: 4px; color: var(--tide); }

/* ---------- Docs search ---------- */
.doc-search { position: relative; margin-bottom: 18px; }
.doc-search input {
    width: 100%;
    box-sizing: border-box;
    background: var(--ink);
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--foam);
    font: inherit;
    font-size: 0.9rem;
    padding: 8px 12px;
}
.doc-search input:focus { outline: none; border-color: var(--tide); }
.doc-search input::placeholder { color: var(--kelp); }
#doc-search-results {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    width: min(430px, 84vw);
    background: var(--ink-raised);
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
    padding: 6px;
    z-index: 70;
    max-height: 60vh;
    overflow-y: auto;
}
#doc-search-results a { display: block; padding: 9px 11px; border-radius: 8px; color: var(--foam); }
#doc-search-results a:hover { background: rgba(124, 58, 237, 0.14); text-decoration: none; }
.dsr-page { display: block; font-family: var(--font-mono); font-size: 0.64rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--tide); }
.dsr-head { display: block; font-weight: 600; font-size: 0.9rem; margin: 1px 0; }
.dsr-snip { display: block; color: var(--kelp); font-size: 0.8rem; line-height: 1.45; }
#doc-search-results mark { background: rgba(124, 58, 237, 0.35); color: inherit; border-radius: 3px; padding: 0 1px; }
.doc-search-empty { padding: 10px 12px; color: var(--kelp); font-size: 0.85rem; }

/* ---------- Reveals and page-load motion ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.55s ease, transform 0.55s ease; }
    .reveal.in { opacity: 1; transform: none; }
    @keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
    .hero > div { animation: rise 0.6s ease both; }
    .hero-shot { animation: rise 0.6s ease 0.15s both; }
    .docs-main > h1, .docs-main > .lede { animation: rise 0.5s ease both; }
    .docs-main > .lede { animation-delay: 0.08s; }
    .btn, .ledger-row, .dl-menu a { transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease; }
    .hero-shot img { transition: transform 0.6s ease; }
    .hero-shot:hover img { transform: scale(1.015); }
}

/* ---------- Changelog ---------- */
.changelog { border-left: 2px solid var(--line); margin-left: 6px; padding-left: 26px; }
.release { position: relative; padding: 6px 0 22px; }
.release::before {
    content: '';
    position: absolute;
    left: -33px;
    top: 16px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background: var(--scylla);
    border: 2px solid var(--abyss);
}
.release header { display: flex; align-items: baseline; gap: 14px; }
.release h2 { border-top: none !important; margin: 0 !important; padding-top: 0 !important; }
.release time { font-family: var(--font-mono); font-size: 0.76rem; color: var(--kelp); }
.release ul { margin: 10px 0 0; }
.release li { margin-bottom: 6px; }

@media (max-width: 560px) {
    /* Docs pages: the sidebar toggle makes the plain Docs link redundant */
    .site-nav > a[href="getting-started.html"] { display: none; }
    .menu-toggle { padding: 6px 9px; font-size: 0.8rem; }
    .dl-menu { min-width: 230px; }
}

.hero-shot video { display: block; width: 100%; }