/* ============================================================
   Lammergeier Lang — website theme
   Palette pulled straight off the logo: dark slate-indigo base,
   warm ochre/amber accents, bone-ivory text, deep shadows.
   ============================================================ */

:root {
    /* Base surfaces */
    --bg:              #1d222d;
    --bg-elev-1:       #242b38;
    --bg-elev-2:       #2c3444;
    --bg-elev-3:       #36405452;
    --border:          #3a4456;
    --border-strong:   #56627a;

    /* Text */
    --text:            #eadbbb;
    --text-dim:        #c5b99a;
    --text-faint:      #8a8270;

    /* Accent — ochre gradient like the bird's plumage */
    --accent:          #e0a94a;
    --accent-bright:   #f4b860;
    --accent-deep:     #c68a24;
    --accent-glow:     rgba(224, 169, 74, 0.18);

    /* Semantic */
    --code-bg:         #171b24;
    --code-text:       #f3e5cb;
    --success:         #9bc168;
    --danger:          #d67b63;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
                  "Inter", "Liberation Sans", system-ui, sans-serif;
    --font-serif: "Iowan Old Style", "Palatino Linotype", Georgia,
                  "Book Antiqua", serif;
    --font-mono: "JetBrains Mono", "Fira Code", "SF Mono", "Menlo",
                  Consolas, "Liberation Mono", monospace;

    /* Layout */
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.45);
    --content-max: 880px;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
}

body {
    /* Subtle radial ochre glow anchored to the top-left, evokes
       the amber halo around the bird in the logo. */
    background-image:
        radial-gradient(1200px 600px at 10% -10%, rgba(224, 169, 74, 0.08), transparent 60%),
        radial-gradient(900px 500px at 110% 0%, rgba(64, 82, 115, 0.35), transparent 70%);
    background-attachment: fixed;
}

a {
    color: var(--accent-bright);
    text-decoration: none;
    border-bottom: 1px dotted transparent;
    transition: border-color 120ms ease;
}
a:hover { border-bottom-color: var(--accent-bright); }

/* ─── Header ──────────────────────────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.2rem;
    padding: 0.75rem 1.5rem;
    background: rgba(29, 34, 45, 0.9);
    backdrop-filter: saturate(150%) blur(10px);
    -webkit-backdrop-filter: saturate(150%) blur(10px);
    border-bottom: 1px solid var(--border);
}
.site-header .brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    letter-spacing: 0.02em;
    color: var(--text);
}
.site-header .brand img {
    /* The transparent ``icon.png`` looks better unframed — drop the
       border-shadow that was there for the rectangular ``logo.png``
       and let the bird sit directly on the header. */
    width: 36px; height: 36px;
    object-fit: contain;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.4));
}
.site-header nav {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    flex-wrap: wrap;
}
.site-header nav a {
    color: var(--text-dim);
    font-size: 0.95rem;
    border-bottom: none;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    transition: background 120ms ease, color 120ms ease;
}
.site-header nav a:hover {
    background: var(--bg-elev-2);
    color: var(--text);
}
.site-header nav a.active {
    color: var(--accent-bright);
    background: rgba(224, 169, 74, 0.1);
}
.site-header nav a.github {
    background: var(--bg-elev-2);
    color: var(--text);
}
.site-header nav a.github:hover {
    background: var(--bg-elev-3);
}

/* ─── Hero ────────────────────────────────────────────────── */
.hero {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 2rem;
    align-items: center;
    max-width: 1150px;
    margin: 3rem auto 1.5rem;
    padding: 2rem 1.5rem;
}
.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 1.08;
    margin: 0 0 1rem 0;
    color: var(--text);
    letter-spacing: -0.01em;
}
.hero h1 .accent {
    color: var(--accent-bright);
    background: linear-gradient(90deg, var(--accent-bright), var(--accent-deep));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p.lede {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin: 0 0 1.8rem 0;
    max-width: 42em;
}
.hero .cta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.hero .cta a {
    padding: 0.7rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid transparent;
    border-bottom: 1px solid transparent;
    transition: transform 80ms ease, box-shadow 120ms ease, background 120ms ease;
}
.hero .cta .primary {
    background: linear-gradient(180deg, var(--accent-bright), var(--accent-deep));
    color: #1a1d26;
    box-shadow: 0 4px 12px var(--accent-glow);
}
.hero .cta .primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px var(--accent-glow);
}
.hero .cta .ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border-strong);
}
.hero .cta .ghost:hover {
    background: var(--bg-elev-2);
    border-color: var(--accent);
}
.hero .media {
    text-align: center;
}
.hero .media img {
    max-width: 100%;
    height: auto;
    max-height: 320px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow), 0 0 0 1px var(--border);
}

/* ─── Section grids ───────────────────────────────────────── */
section.band {
    padding: 3rem 1.5rem;
    border-top: 1px solid var(--border);
}
section.band.alt {
    background: linear-gradient(180deg, transparent, rgba(0,0,0,0.18));
}
section.band h2 {
    font-family: var(--font-serif);
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    max-width: 1150px;
    color: var(--text);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
    max-width: 1150px;
    margin: 0 auto;
}
.card {
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: transform 100ms ease, border-color 120ms ease, background 150ms ease;
}
.card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    background: var(--bg-elev-2);
}
.card h3 {
    margin: 0 0 0.4rem 0;
    color: var(--accent-bright);
    font-size: 1.05rem;
    font-family: var(--font-sans);
    letter-spacing: 0.01em;
}
.card p {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* ─── Section utility blocks ──────────────────────────────── */
/* Lede paragraph that introduces a band — slightly larger, dim. */
.band-lede {
    max-width: 920px;
    margin: -0.4rem auto 1.4rem;
    color: var(--text-dim);
    font-size: 1.05rem;
}
/* Trailing paragraph at the bottom of a band, e.g. "see also". */
.band-cta {
    max-width: 920px;
    margin: 1.6rem auto 0;
    color: var(--text-dim);
    font-size: 0.98rem;
}
/* Generic dim paragraph used inside hero / sample blocks. */
.muted {
    color: var(--text-dim);
    margin-top: 0;
}
/* The single big code block under "A real HTTP service ..." */
.hero-sample {
    max-width: 920px;
    margin: 0 auto;
}
.hero-sample pre {
    margin-top: 1rem;
}

/* ─── Tour cards (home page "Tour the language") ──────────── */
.tour {
    display: grid;
    /* Two equal columns capped at the same 1150px the ``.grid`` rule
       uses for the "Why Lammergeier" section, so the cards line up
       with the section ``<h2>`` (which is also 1150px max-width).
       ``minmax(0, 1fr)`` is critical: without the ``0`` lower bound,
       long ``<pre>`` content forces the column to grow past its 1fr
       share, breaking the equal-width layout. */
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    max-width: 1150px;
    margin: 0 auto;
}
.tour-card {
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.4rem 1.4rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color 120ms ease, transform 100ms ease;
}
.tour-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}
.tour-card h3 {
    margin: 0;
    color: var(--accent-bright);
    font-size: 1.1rem;
    font-family: var(--font-sans);
}
.tour-card p {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.5;
}
.tour-card pre {
    margin: 0;
    flex: 1;
    /* Slightly smaller font so multi-line snippets fit comfortably
       in the side-by-side card grid without horizontal scrolling
       on mid-sized viewports. */
    font-size: 0.85rem;
    line-height: 1.5;
    background: var(--code-bg);
    border: 1px solid var(--border);
    /* ``min-width: 0`` allows the column's ``minmax(0, 1fr)`` rule
       to actually clamp the pre when a snippet has overflow lines.
       ``max-width: 100%`` prevents the pre from blowing the card
       wider than its grid track on long lines. */
    min-width: 0;
    max-width: 100%;
    overflow-x: auto;
    /* Slightly tighter padding so the small font doesn't drown
       inside the default 1rem 1.25rem ``pre`` padding. */
    padding: 0.85rem 1rem;
}
.tour-card p code,
.tour-card h3 code {
    /* Don't let inline ``<code>`` in the blurb push the card wider
       than its column on phones — wrap on word boundaries. */
    word-break: break-word;
}

/* ── Tablet: cards collapse to one column at the docs breakpoint. */
@media (max-width: 900px) {
    .tour {
        grid-template-columns: 1fr;
        max-width: 720px;       /* keep code at a sane reading width */
        gap: 1rem;
    }
}

/* ── Phone: tighter padding & font, full-bleed scrollable pre. */
@media (max-width: 560px) {
    .tour-card {
        padding: 1rem 1rem 1.1rem;
    }
    .tour-card h3 { font-size: 1rem; }
    .tour-card p  { font-size: 0.9rem; }
    .tour-card pre {
        font-size: 0.78rem;
        line-height: 1.45;
        padding: 0.75rem 0.9rem;
    }
    .band-lede, .band-cta { font-size: 0.95rem; }
    section.band { padding: 2rem 1rem; }
}

/* ─── "What is Lammergeier?" two-column prose ─────────────── */
.prose-2col {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    max-width: 1150px;
    margin: 0 auto;
    color: var(--text-dim);
    font-size: 1.02rem;
    line-height: 1.65;
}
.prose-2col p { margin: 0 0 1rem; }
.prose-2col strong { color: var(--text); }
.prose-2col code { color: var(--accent-bright); }
@media (max-width: 900px) {
    .prose-2col {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* ─── "How it's made" four-step pipeline ──────────────────── */
.pipeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    max-width: 1150px;
    margin: 0 auto;
}
.pipeline .step {
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.2rem;
    position: relative;
    transition: border-color 120ms ease, transform 100ms ease;
}
.pipeline .step:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}
.pipeline .step .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(180deg, var(--accent-bright), var(--accent-deep));
    color: #1a1d26;
    font-weight: 700;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    margin-bottom: 0.6rem;
    box-shadow: 0 2px 6px var(--accent-glow);
}
.pipeline .step h3 {
    margin: 0 0 0.4rem;
    color: var(--accent-bright);
    font-size: 1.05rem;
    font-family: var(--font-sans);
}
.pipeline .step p {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.92rem;
    line-height: 1.5;
}
@media (max-width: 900px) {
    .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
    .pipeline { grid-template-columns: 1fr; }
}

/* ─── "Get started" two-column quick-install pair ─────────── */
.getstarted {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    max-width: 1150px;
    margin: 0 auto;
}
.getstarted > div {
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.4rem;
}
.getstarted h3 {
    margin: 0 0 0.75rem;
    color: var(--accent-bright);
    font-family: var(--font-sans);
    font-size: 1.1rem;
}
.getstarted pre {
    margin: 0 0 0.75rem;
    font-size: 0.85rem;
    line-height: 1.5;
}
.getstarted .band-cta {
    margin: 0;
    font-size: 0.92rem;
}
@media (max-width: 900px) {
    .getstarted { grid-template-columns: 1fr; }
}

/* ─── Code samples ────────────────────────────────────────── */
pre, code {
    font-family: var(--font-mono);
}
code {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 0.12em 0.35em;
    border-radius: 4px;
    font-size: 0.92em;
}
pre {
    background: var(--code-bg);
    color: var(--code-text);
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    overflow: auto;
    line-height: 1.55;
    font-size: 0.92rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    max-width: 100%;
}
pre code {
    background: transparent;
    padding: 0;
    border: 0;
    font-size: inherit;
}

/* hljs overrides to match our palette */
.hljs                 { background: transparent !important; color: var(--code-text); }
.hljs-keyword         { color: #f3a84a; }
.hljs-built_in        { color: #e0a94a; }
.hljs-string          { color: #c3d489; }
.hljs-number          { color: #e6b5a1; }
.hljs-comment         { color: #6d7792; font-style: italic; }
.hljs-title,
.hljs-title.function_ { color: #d8c69a; }
.hljs-type            { color: #d8c69a; }
.hljs-params          { color: var(--text-dim); }
.hljs-variable,
.hljs-attr            { color: #f2dba2; }
.hljs-meta,
.hljs-literal         { color: #9bc168; }

/* ─── Docs layout ────────────────────────────────────────── */
.docs {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 2rem;
    max-width: 1260px;
    margin: 2rem auto;
    padding: 0 1.5rem 4rem;
}
.docs aside {
    position: sticky;
    top: 4.5rem;
    align-self: start;
    max-height: calc(100vh - 5rem);
    overflow: auto;
    border-right: 1px solid var(--border);
    padding-right: 1rem;
}
.docs aside h4 {
    margin: 1rem 0 0.3rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-faint);
}
.docs aside ul {
    list-style: none;
    margin: 0 0 0.6rem;
    padding: 0;
}
.docs aside li { margin: 0; }
.docs aside a {
    display: block;
    padding: 0.3rem 0.55rem;
    border-radius: 6px;
    color: var(--text-dim);
    font-size: 0.93rem;
    border-bottom: none;
    line-height: 1.3;
}
.docs aside a:hover {
    background: var(--bg-elev-2);
    color: var(--text);
}
.docs aside a.active {
    background: rgba(224, 169, 74, 0.12);
    color: var(--accent-bright);
}
.docs main {
    min-width: 0;
}
.docs main .content {
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 2.25rem;
    max-width: var(--content-max);
    box-shadow: var(--shadow);
}
.docs main h1 {
    font-family: var(--font-serif);
    margin-top: 0;
    color: var(--text);
}
.docs main h2 {
    font-family: var(--font-serif);
    margin-top: 2rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.35rem;
    color: var(--text);
}
.docs main h3 { color: var(--accent-bright); }
.docs main table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.94rem;
}
.docs main th, .docs main td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    text-align: left;
    vertical-align: top;
}
.docs main th {
    background: var(--bg-elev-2);
    color: var(--text);
}
.docs main blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.2rem 1rem;
    margin: 1rem 0;
    color: var(--text-dim);
    background: rgba(224, 169, 74, 0.05);
}
.docs main hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

/* Anchor hover indicator */
.docs main h1:hover::after,
.docs main h2:hover::after,
.docs main h3:hover::after,
.docs main h4:hover::after {
    content: " ¶";
    color: var(--text-faint);
    font-size: 0.7em;
    margin-left: 0.25rem;
}

/* ─── Search ──────────────────────────────────────────────── */
.search-wrap {
    position: relative;
}
.search-wrap input {
    width: 240px;
    padding: 0.42rem 0.75rem 0.42rem 2rem;
    background: var(--bg-elev-1);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.92rem;
    outline: none;
    transition: border-color 120ms ease, background 120ms ease;
}
.search-wrap input::placeholder { color: var(--text-faint); }
.search-wrap input:focus {
    border-color: var(--accent);
    background: var(--bg-elev-2);
}
.search-wrap::before {
    content: "⌕";
    position: absolute;
    left: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    font-size: 1rem;
    pointer-events: none;
}
.search-results {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 420px;
    max-height: 60vh;
    overflow: auto;
    background: var(--bg-elev-1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.35rem 0;
    display: none;
    z-index: 40;
}
.search-results.open { display: block; }
.search-results .result {
    display: block;
    padding: 0.55rem 0.9rem;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    border-bottom: none;
}
.search-results .result:hover,
.search-results .result.highlight {
    background: var(--bg-elev-2);
}
.search-results .result .title {
    font-weight: 600;
    color: var(--accent-bright);
    font-size: 0.95rem;
    display: block;
}
.search-results .result .crumbs {
    font-size: 0.78rem;
    color: var(--text-faint);
    display: block;
    margin-top: 2px;
}
.search-results .result .snippet {
    font-size: 0.86rem;
    color: var(--text-dim);
    margin-top: 4px;
    display: block;
    line-height: 1.35;
}
.search-results .result mark {
    background: rgba(224, 169, 74, 0.25);
    color: var(--accent-bright);
    padding: 0 2px;
    border-radius: 3px;
}
.search-empty {
    padding: 0.9rem;
    text-align: center;
    color: var(--text-faint);
    font-size: 0.92rem;
}

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 1.5rem;
    color: var(--text-faint);
    font-size: 0.9rem;
    text-align: center;
    background: rgba(0, 0, 0, 0.15);
}
.site-footer a { color: var(--text-dim); }
.site-footer a:hover { color: var(--accent-bright); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        padding: 1.5rem 1.2rem;
        text-align: center;
    }
    .hero .media img { max-height: 220px; }
    .hero .cta { justify-content: center; }
    .docs {
        grid-template-columns: 1fr;
        padding: 0 1rem 3rem;
    }
    .docs aside {
        position: static;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 0 0 1rem;
        margin-bottom: 1rem;
    }
    .site-header {
        padding: 0.6rem 1rem;
        flex-wrap: wrap;
    }
    .site-header nav { gap: 0.6rem; }
    .search-wrap input { width: 160px; }
    .search-results { width: 90vw; right: -1rem; }
    .docs main .content { padding: 1.25rem 1.25rem; }
}

/* Loading indicator */
.loading {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-faint);
    font-style: italic;
}

/* Heading anchors */
.docs main h1 a, .docs main h2 a, .docs main h3 a,
.docs main h4 a, .docs main h5 a, .docs main h6 a {
    color: inherit;
    border-bottom: none;
}