/* ==========================================================================
   Kargadan Mirror — Design System
   Last updated: May 2026
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* Surfaces */
    --bg-deep:        #060912;
    --bg:             #0c1422;
    --bg-card:        #111c30;
    --bg-card-hover:  #15243d;
    --bg-elevated:    #1a2a47;
    --bg-code:        #080f1d;

    /* Lines */
    --border:         #1f3358;
    --border-subtle:  rgba(120, 163, 240, 0.12);
    --border-strong:  rgba(120, 163, 240, 0.24);

    /* Brand colors */
    --brand:          #4f8dfd;
    --brand-strong:   #3b75d9;
    --brand-soft:     #8ab4ff;
    --brand-dim:      rgba(79, 141, 253, 0.14);

    /* Status / accent */
    --green:          #34d399;
    --green-dim:      rgba(52, 211, 153, 0.14);
    --amber:          #f5b840;
    --amber-dim:      rgba(245, 184, 64, 0.12);
    --red:            #fb7185;
    --red-dim:        rgba(251, 113, 133, 0.12);
    --purple:         #a78bfa;
    --cyan:           #22d3ee;

    /* Text */
    --text:           #eef2fb;
    --text-secondary: #a8b8d4;
    --text-muted:     #74849f;

    /* Geometry */
    --radius-sm:      8px;
    --radius:         12px;
    --radius-lg:      16px;
    --radius-xl:      20px;

    --shadow-sm:      0 1px 2px rgba(0, 0, 0, 0.18);
    --shadow:         0 8px 22px rgba(4, 9, 20, 0.32);
    --shadow-lg:      0 18px 42px rgba(4, 9, 20, 0.45);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

html, body { overflow-x: hidden; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background:
        radial-gradient(900px 480px at 12% -10%, rgba(79, 141, 253, 0.18), transparent 60%),
        radial-gradient(820px 420px at 90% -5%, rgba(167, 139, 250, 0.10), transparent 60%),
        var(--bg);
    color: var(--text);
    line-height: 1.65;
    min-height: 100vh;
    font-size: 15.5px;
    letter-spacing: -0.005em;
}

a {
    color: var(--brand-soft);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover { color: #d6e6ff; }
a:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection { background: rgba(79, 141, 253, 0.35); color: #fff; }

/* ── Skip link ────────────────────────────────────────────── */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    z-index: 9999;
    padding: 0.6rem 1rem;
    background: var(--brand);
    color: #fff;
    font-weight: 600;
    border-radius: 8px;
    transition: top 0.2s;
}
.skip-link:focus {
    top: 1rem;
    outline: 2px solid var(--brand-soft);
    outline-offset: 2px;
}

/* ── Navbar ───────────────────────────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.55rem 1.6rem;
    min-height: 64px;
    background: rgba(8, 14, 26, 0.82);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border-bottom: 1px solid var(--border-subtle);
}

.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: -0.015em;
    color: var(--text);
}

.navbar-brand svg { width: 26px; height: 26px; }

.navbar-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}
.navbar-links li { margin: 0; padding: 0; }

.navbar-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.15s ease;
}
.navbar-links a:hover { color: var(--text); }

.btn-sm,
.navbar-links .btn-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 0.95rem;
    background: linear-gradient(140deg, #5a96fd, #3b75d9);
    color: #fff !important;
    border-radius: 9px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: -0.005em;
    box-shadow: 0 8px 18px rgba(38, 90, 183, 0.28);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}
.btn-sm:hover,
.navbar-links .btn-sm:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(38, 90, 183, 0.42);
    filter: brightness(1.05);
}

/* Mobile nav toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 8px;
    color: var(--text);
    -webkit-tap-highlight-color: transparent;
}
.navbar-toggle:hover,
.navbar-toggle:focus-visible {
    background: var(--bg-elevated);
    outline: none;
}
.navbar-toggle-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.22s, opacity 0.18s;
}
.navbar.is-open .navbar-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar.is-open .navbar-toggle-bar:nth-child(2) { opacity: 0; }
.navbar.is-open .navbar-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
    position: relative;
    padding: 2.4rem 2rem 2rem;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.78), rgba(15, 23, 42, 0.18));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
}

.hero-home { padding: 3.4rem 2rem 3rem; }

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.85fr);
    gap: 2rem;
    align-items: start;
}

.hero-copy { max-width: 46rem; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.32rem 0.72rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: var(--brand-dim);
    color: var(--brand-soft);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.eyebrow::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px var(--green);
}

.hero h1 {
    font-size: clamp(1.85rem, 3.6vw, 2.6rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.025em;
    color: var(--text);
    margin-bottom: 0.85rem;
}

.hero h1 .accent {
    background: linear-gradient(110deg, #8ab4ff 30%, #c4d9ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 44rem;
    line-height: 1.65;
    margin-bottom: 1.4rem;
}

.hero .subtitle code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.86em;
    color: var(--brand-soft);
    background: var(--bg-code);
    padding: 0.12rem 0.4rem;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-bottom: 1.2rem;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    color: var(--text);
    background: rgba(17, 28, 49, 0.55);
    font-size: 0.82rem;
    font-weight: 600;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.btn-ghost:hover {
    color: var(--text);
    border-color: rgba(138, 180, 255, 0.4);
    background: rgba(23, 36, 61, 0.85);
}

.hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.32rem 0.7rem;
    border-radius: 999px;
    background: rgba(28, 44, 73, 0.55);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 600;
}

.hero-panel {
    padding: 1.25rem;
    background: linear-gradient(165deg, rgba(20, 33, 58, 0.95), rgba(11, 18, 32, 0.95));
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.hero-panel-head {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.hero-panel-head span {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    font-weight: 600;
}

.hero-panel-head code {
    padding: 0;
    border: none;
    background: transparent;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.98rem;
    color: #d8e5ff;
    font-weight: 500;
}

.hero-panel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.mini-stat {
    padding: 0.85rem 0.95rem;
    border-radius: var(--radius);
    background: rgba(28, 44, 73, 0.5);
    border: 1px solid var(--border-subtle);
}

.mini-stat strong {
    display: block;
    font-size: 1.55rem;
    line-height: 1;
    margin-bottom: 0.3rem;
    font-weight: 700;
    color: #e5edf9;
    letter-spacing: -0.02em;
}

.mini-stat span {
    color: var(--text-secondary);
    font-size: 0.78rem;
    line-height: 1.45;
}

.hero-callout {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    background: var(--brand-dim);
    border: 1px solid var(--border-strong);
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.55;
}

/* ── Sub-page header ──────────────────────────────────────── */
.page-header {
    position: relative;
    padding: 1.65rem 2rem 1.4rem;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.15));
}

.page-header-content {
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
}

.page-header .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-bottom: 0.65rem;
    border-radius: var(--radius);
    background: var(--brand-dim);
    border: 1px solid var(--border-strong);
    font-size: 1.4rem;
    line-height: 1;
}

.page-header h1 {
    font-size: clamp(1.5rem, 2.3vw, 1.8rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 0.25rem;
    color: var(--text);
}

.page-header .desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.55;
    max-width: 50rem;
}

/* ── Containers & sections ────────────────────────────────── */
.container {
    max-width: 940px;
    margin: 0 auto;
    padding: 1.8rem 2rem 2.4rem;
}

.container-wide {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.8rem 2rem 2.4rem;
}

.section-block { margin-top: 2.2rem; }

.section-header {
    max-width: 46rem;
    margin-bottom: 1.4rem;
}

.section-header h2 {
    font-size: clamp(1.3rem, 1.9vw, 1.55rem);
    font-weight: 800;
    letter-spacing: -0.022em;
    margin-bottom: 0.4rem;
    color: var(--text);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ── Mirror cards ─────────────────────────────────────────── */
.mirrors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.mirrors-subheading {
    grid-column: 1 / -1;
    padding: 1.2rem 0 0.3rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-subtle);
}
.mirrors-subheading h3 {
    margin: 0 0 0.3rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.015em;
}
.mirrors-subheading p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.92rem;
    max-width: 80ch;
    line-height: 1.55;
}

.mirror-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 1.15rem 1.2rem 1.1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.mirror-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--card-accent, var(--brand));
    opacity: 0.8;
    transition: opacity 0.2s, height 0.2s;
}

.mirror-card:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.mirror-card:hover::before { opacity: 1; height: 3px; }

.mirror-card .card-icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--card-accent-dim, var(--brand-dim));
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-size: 1.15rem;
    margin-bottom: 0.7rem;
    line-height: 1;
}

.mirror-card h3 {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    letter-spacing: -0.012em;
    color: var(--text);
}

.mirror-card .description {
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.55;
    margin-bottom: 0.85rem;
    flex: 1;
}

.mirror-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--brand-soft);
}
.mirror-card-link::after {
    content: '→';
    transition: transform 0.18s ease;
}
.mirror-card:hover .mirror-card-link { color: #d6e6ff; }
.mirror-card:hover .mirror-card-link::after { transform: translateX(3px); }

/* Card accent colors */
.mirror-card.pypi      { --card-accent: #3776ab; --card-accent-dim: rgba(55,118,171,0.18); }
.mirror-card.conda     { --card-accent: #43b02a; --card-accent-dim: rgba(67,176,42,0.18); }
.mirror-card.npm       { --card-accent: #cb3837; --card-accent-dim: rgba(203,56,55,0.18); }
.mirror-card.docker    { --card-accent: #2496ed; --card-accent-dim: rgba(36,150,237,0.18); }
.mirror-card.maven     { --card-accent: #e76f00; --card-accent-dim: rgba(231,111,0,0.18); }
.mirror-card.nuget     { --card-accent: #512bd4; --card-accent-dim: rgba(81,43,212,0.20); }
.mirror-card.go        { --card-accent: #00add8; --card-accent-dim: rgba(0,173,216,0.18); }
.mirror-card.composer  { --card-accent: #885630; --card-accent-dim: rgba(136,86,48,0.20); }
.mirror-card.yarn      { --card-accent: #2c8ebb; --card-accent-dim: rgba(44,142,187,0.18); }
.mirror-card.mcr       { --card-accent: #0078d4; --card-accent-dim: rgba(0,120,212,0.18); }

/* BEGIN distro-cards */
.mirror-card.distro-debian      { --card-accent: #a81d33; --card-accent-dim: rgba(168,29,51,0.18); }
.mirror-card.distro-ubuntu      { --card-accent: #e95420; --card-accent-dim: rgba(233,84,32,0.18); }
.mirror-card.distro-kali        { --card-accent: #367bf0; --card-accent-dim: rgba(54,123,240,0.18); }
.mirror-card.distro-linuxmint   { --card-accent: #86be43; --card-accent-dim: rgba(134,190,67,0.18); }
.mirror-card.distro-mxlinux     { --card-accent: #6b6b6b; --card-accent-dim: rgba(107,107,107,0.18); }
.mirror-card.distro-parrot      { --card-accent: #1abc9c; --card-accent-dim: rgba(26,188,156,0.18); }
.mirror-card.distro-raspbian    { --card-accent: #c51a4a; --card-accent-dim: rgba(197,26,74,0.18); }
.mirror-card.distro-almalinux   { --card-accent: #3a72b0; --card-accent-dim: rgba(58,114,176,0.18); }
.mirror-card.distro-rocky       { --card-accent: #10b981; --card-accent-dim: rgba(16,185,129,0.18); }
.mirror-card.distro-oraclelinux { --card-accent: #f80000; --card-accent-dim: rgba(248,0,0,0.18); }
.mirror-card.distro-centos      { --card-accent: #932279; --card-accent-dim: rgba(147,34,121,0.18); }
.mirror-card.distro-fedora      { --card-accent: #4f7cb6; --card-accent-dim: rgba(79,124,182,0.18); }
.mirror-card.distro-rhel        { --card-accent: #ee0000; --card-accent-dim: rgba(238,0,0,0.18); }
.mirror-card.distro-opensuse    { --card-accent: #73ba25; --card-accent-dim: rgba(115,186,37,0.18); }
.mirror-card.distro-alpine      { --card-accent: #0d597f; --card-accent-dim: rgba(13,89,127,0.18); }
.mirror-card.distro-arch        { --card-accent: #1793d1; --card-accent-dim: rgba(23,147,209,0.18); }
.mirror-card.distro-manjaro     { --card-accent: #16a085; --card-accent-dim: rgba(22,160,133,0.18); }
.mirror-card.distro-parch       { --card-accent: #7c3aed; --card-accent-dim: rgba(124,58,237,0.18); }
.mirror-card.distro-slackware   { --card-accent: #888888; --card-accent-dim: rgba(136,136,136,0.18); }
.mirror-card.distro-void        { --card-accent: #478061; --card-accent-dim: rgba(71,128,97,0.18); }
.mirror-card.distro-openwrt     { --card-accent: #00b5e2; --card-accent-dim: rgba(0,181,226,0.18); }
.mirror-card.distro-gentoo      { --card-accent: #6d619a; --card-accent-dim: rgba(109,97,154,0.18); }
.mirror-card.distro-pfsense     { --card-accent: #404040; --card-accent-dim: rgba(64,64,64,0.18); }
.mirror-card.distro-wordpress   { --card-accent: #21759b; --card-accent-dim: rgba(33,117,155,0.18); }
/* END distro-cards */

/* ── Quick Start ──────────────────────────────────────────── */
.quick-start {
    margin-top: 1.5rem;
    padding: 1.5rem 1.6rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.quick-start h2 {
    text-align: left;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.022em;
    margin-bottom: 0.4rem;
    color: var(--text);
}

.quick-start-note {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.quick-start-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 0.95rem;
}

.quick-start-item {
    padding: 1rem 1.05rem;
    background: rgba(28, 44, 73, 0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    min-width: 0;
    overflow: hidden;
    transition: border-color 0.18s ease;
}
.quick-start-item:hover { border-color: var(--border-strong); }

.quick-start-item h4 {
    font-size: 0.78rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.quick-start-item pre {
    margin: 0;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.quick-start-item code {
    display: block;
    white-space: pre;
    font-size: 0.78rem;
}

/* ── Generic info grids (overview / pillars / sources / etc.) ───────── */
.overview-grid,
.pillars-grid,
.source-grid,
.use-cases,
.faq-grid {
    display: grid;
    gap: 1rem;
}

.overview-grid    { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pillars-grid     { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.source-grid      { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.use-cases        { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.faq-grid         { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.overview-card,
.pillar-card,
.source-card,
.use-case-card,
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.3rem;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.18s ease;
}

.overview-card:hover,
.pillar-card:hover,
.source-card:hover,
.use-case-card:hover,
.faq-item:hover { border-color: var(--border-strong); }

.overview-card h3,
.pillar-card h3,
.source-card h3,
.use-case-card h3,
.faq-item h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    letter-spacing: -0.015em;
    color: var(--text);
}

.overview-card p,
.pillar-card p,
.source-card p,
.use-case-card p,
.faq-item p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

.overview-card .stat {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    margin-bottom: 0.65rem;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--brand-soft);
    background: var(--brand-dim);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pillar-card .feature-list {
    list-style: none;
    margin-top: 0.85rem;
}
.pillar-card .feature-list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.45rem;
    color: var(--text-secondary);
    font-size: 0.86rem;
    line-height: 1.55;
}
.pillar-card .feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand-soft);
    box-shadow: 0 0 8px rgba(138, 180, 255, 0.4);
}

.source-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.22rem 0.55rem;
    margin-bottom: 0.7rem;
    border-radius: 999px;
    background: var(--brand-dim);
    color: var(--brand-soft);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.source-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 0.85rem;
}

.source-list span {
    display: inline-flex;
    padding: 0.22rem 0.55rem;
    border-radius: 999px;
    background: rgba(28, 44, 73, 0.6);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.74rem;
    font-weight: 500;
}

/* ── Card (sub-pages) ─────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.55rem 1.65rem;
    margin-bottom: 1.4rem;
    box-shadow: var(--shadow-sm);
}

.card h2 {
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: -0.018em;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
}

.card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin: 1.4rem 0 0.7rem;
    padding-bottom: 0.45rem;
    border-bottom: 1px solid var(--border-subtle);
    letter-spacing: -0.01em;
}

.card h4 {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 1.15rem;
    margin-bottom: 0.4rem;
}

.card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
}

.card p + p { margin-top: 0.6rem; }

/* ── Code blocks ──────────────────────────────────────────── */
pre {
    position: relative;
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    padding: 1.05rem 1.2rem;
    margin: 0.75rem 0;
    overflow-x: auto;
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.82rem;
    color: #cbd5e7;
    line-height: 1.65;
}

p code, li code, td code {
    padding: 0.12rem 0.42rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 5px;
    font-size: 0.8rem;
    color: var(--brand-soft);
}

.copy-btn {
    position: absolute;
    top: 0.55rem;
    right: 0.55rem;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.65rem;
    background: rgba(28, 44, 73, 0.94);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}
.copy-btn:hover { background: var(--brand); color: #fff; border-color: var(--brand); }
.copy-btn.copied { background: var(--green); color: #08251a; border-color: var(--green); }

/* ── URL box ──────────────────────────────────────────────── */
.url-box {
    padding: 0.85rem 1.1rem;
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-left: 3px solid var(--brand);
    border-radius: var(--radius);
    margin: 0.65rem 0;
    word-break: break-all;
}

.url-box .label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.url-box .url {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    color: var(--brand-soft);
}

/* ── Tables ───────────────────────────────────────────────── */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 0.75rem 0;
    overflow: hidden;
    border-radius: 10px;
    border: 1px solid var(--border-subtle);
}

th, td {
    padding: 0.7rem 0.9rem;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.88rem;
}

th {
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(28, 44, 73, 0.55);
}

tbody tr:nth-child(even) { background: rgba(28, 44, 73, 0.18); }
tbody tr:last-child td { border-bottom: none; }

.registry-table td:first-child { font-weight: 600; color: var(--brand-soft); }

/* ── Tags ─────────────────────────────────────────────────── */
.tag {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    background: var(--brand-dim);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--brand-soft);
    margin-right: 0.3rem;
}

/* ── Notes & warnings ─────────────────────────────────────── */
.note {
    padding: 1rem 1.2rem;
    background: var(--brand-dim);
    border: 1px solid var(--border-strong);
    border-left: 3px solid var(--brand);
    border-radius: var(--radius);
    margin: 1rem 0;
}

.note-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--brand-soft);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.note p { color: var(--text-secondary); font-size: 0.88rem; }

.warning {
    padding: 1rem 1.2rem;
    background: var(--amber-dim);
    border: 1px solid rgba(245, 184, 64, 0.32);
    border-left: 3px solid var(--amber);
    border-radius: var(--radius);
    margin: 1rem 0;
}

.warning-title {
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--amber);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.warning p { color: var(--text-secondary); font-size: 0.88rem; }

/* ── Breadcrumb & doc nav ─────────────────────────────────── */
.breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.84rem;
    color: var(--text-muted);
}
.breadcrumb a { color: var(--brand-soft); }
.breadcrumb a:hover { color: #d6e6ff; }
.breadcrumb [aria-hidden="true"] { margin: 0 0.4rem; color: var(--text-muted); opacity: 0.65; }

.doc-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2.4rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--border-subtle);
}
.doc-nav a {
    display: inline-flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.6rem 0;
    font-weight: 600;
    max-width: 50%;
    color: var(--brand-soft);
}
.doc-nav a:hover { color: #d6e6ff; }
.doc-nav .next {
    margin-left: auto;
    text-align: right;
    align-items: flex-end;
}

/* ── Status helpers ───────────────────────────────────────── */
.status-ok       { color: var(--green); font-weight: 600; }
.text-success    { color: var(--green); font-weight: 700; }
.text-muted-sm   { color: var(--text-muted); font-size: 0.85rem; }

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    background: var(--green-dim);
    border: 1px solid rgba(52, 211, 153, 0.32);
    color: var(--green);
    font-size: 0.74rem;
    font-weight: 600;
}
.status-pill::before {
    content: '';
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 8px var(--green);
    animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.45; }
}

/* ── 404 page ─────────────────────────────────────────────── */
.error-layout {
    text-align: center;
    padding-top: 3.8rem;
    padding-bottom: 3.8rem;
}
.error-card {
    max-width: 520px;
    margin: 0 auto;
}
.error-code {
    font-size: clamp(3.4rem, 9vw, 4.6rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 0.65rem;
    background: linear-gradient(120deg, #8ab4ff, #c4d9ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.error-title {
    font-size: 1.55rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}
.error-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}
.error-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    justify-content: center;
}

/* ── Image grid (MCR) ─────────────────────────────────────── */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin: 0.75rem 0;
}

.image-card {
    padding: 0.85rem 0.95rem;
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    transition: border-color 0.18s;
}
.image-card:hover { border-color: var(--border-strong); }
.image-card h4 {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.3rem;
}
.image-card code {
    font-size: 0.74rem;
    color: var(--text-muted);
}

/* ── Version badges ───────────────────────────────────────── */
.version-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.74rem;
    font-weight: 600;
    margin-right: 0.3rem;
}
.v1 { background: var(--brand-dim); color: var(--brand-soft); border: 1px solid var(--border-strong); }
.v2 { background: var(--green-dim); color: var(--green);      border: 1px solid rgba(52, 211, 153, 0.3); }

/* ── Per-release guide blocks (distro pages) ──────────────── */
.release-jump {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 1rem 0 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.release-jump-link {
    display: inline-block;
    padding: 0.28rem 0.65rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--brand-soft);
    background: var(--brand-dim);
    border: 1px solid var(--border-subtle);
    text-decoration: none;
    transition: border-color 0.15s, background 0.15s;
}

.release-jump-link:hover {
    border-color: var(--border-strong);
    background: var(--bg-elevated);
    color: var(--text);
}

.release-sections {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.release-section {
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-subtle);
}

.release-section:first-child {
    padding-top: 0;
    border-top: none;
}

.release-section h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.65rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
}

.release-section h4 {
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin: 1rem 0 0.45rem;
}

.release-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 6px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.release-badge-default {
    background: var(--brand-dim);
    color: var(--brand-soft);
    border: 1px solid var(--border-strong);
}

.release-badge-stable,
.release-badge-lts { background: var(--green-dim); color: var(--green); border: 1px solid rgba(52, 211, 153, 0.25); }
.release-badge-oldstable,
.release-badge-legacy { background: var(--amber-dim); color: var(--amber); border: 1px solid rgba(245, 184, 64, 0.25); }
.release-badge-testing,
.release-badge-interim { background: rgba(34, 211, 238, 0.12); color: var(--cyan); border: 1px solid rgba(34, 211, 238, 0.25); }
.release-badge-rolling { background: var(--purple); color: #1a1030; border: none; opacity: 0.9; }
.release-badge-alias { background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border-subtle); }
.release-badge-current { background: var(--brand-dim); color: var(--brand-soft); border: 1px solid var(--border-strong); }
.release-badge-archive { background: var(--red-dim); color: var(--red); border: 1px solid rgba(251, 113, 133, 0.25); }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
    text-align: center;
    padding: 2.2rem 2rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.85rem;
    background: rgba(7, 11, 20, 0.55);
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.85rem;
    letter-spacing: -0.012em;
}

.footer-brand svg { width: 22px; height: 22px; }

.footer p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }
.footer a { color: var(--brand-soft); }
.footer a:hover { color: #d6e6ff; }

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.4rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.footer-meta {
    margin-top: 0.6rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    opacity: 0.8;
}

/* Backwards-compat: legacy footer-updated class — neutral now */
.footer-updated {
    margin-top: 0.6rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    opacity: 0.8;
}

/* ── Print ────────────────────────────────────────────────── */
@media print {
    .navbar, .skip-link, .breadcrumb, .doc-nav, .copy-btn, .footer { break-inside: avoid; }
    .navbar { position: static; border-bottom: 1px solid #333; }
    body { background: #fff; color: #111; }
    a { color: #06c; }
    .hero, .page-header { background: #f5f5f5 !important; color: #111; }
    .card, .mirror-card { border: 1px solid #ddd; box-shadow: none; }
    .footer { border-top: 1px solid #333; }
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .container,
    .container-wide { padding: 1.4rem 1.2rem 2rem; }
    .mirrors-grid   { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
    .quick-start-grid { grid-template-columns: 1fr; }
    .hero-grid,
    .overview-grid,
    .pillars-grid,
    .use-cases,
    .source-grid,
    .faq-grid       { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-grid      { grid-template-columns: 1fr; }
    .hero-home      { padding: 2.4rem 1.4rem 2rem; }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.3rem 1rem;
        min-height: 58px;
        flex-wrap: wrap;
        gap: 0;
        align-items: center;
    }
    .navbar-toggle { display: flex; order: 2; }
    .navbar-brand  { font-size: 0.94rem; order: 1; }
    .navbar-brand svg { width: 24px; height: 24px; }
    .navbar-links {
        order: 3;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        margin: 0 -1rem;
        background: rgba(8, 14, 26, 0.96);
        border-top: 1px solid var(--border-subtle);
        transition: max-height 0.3s ease, opacity 0.22s ease;
    }
    .navbar.is-open .navbar-links {
        max-height: min(70vh, 360px);
        opacity: 1;
        padding: 0.5rem 0 1rem;
        overflow-y: auto;
    }
    .navbar-links li,
    .navbar-links > a {
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(120, 163, 240, 0.08);
    }
    .navbar-links li:last-child,
    .navbar-links > a:last-child { border-bottom: none; }
    .navbar-links a { display: block; padding: 0.85rem 1rem; font-size: 0.95rem; }
    .navbar-links .btn-sm {
        margin: 0.5rem 1rem 0;
        padding: 0.65rem 1rem;
        text-align: center;
    }

    .hero, .page-header { padding: 1.4rem 1rem 1.3rem; }
    .hero-home          { padding: 2rem 1rem 1.8rem; }
    .hero h1            { font-size: 1.6rem; }
    .hero .subtitle,
    .page-header .desc  { font-size: 0.93rem; }
    .page-header h1     { font-size: 1.4rem; }
    .page-header .icon  { width: 38px; height: 38px; font-size: 1.2rem; }
    .hero-actions,
    .hero-chips         { gap: 0.55rem; }
    .hero-panel-grid    { grid-template-columns: 1fr 1fr; }

    .container, .container-wide { padding: 1.2rem 1rem 1.8rem; }
    .mirrors-grid       { grid-template-columns: 1fr; gap: 0.8rem; }
    .mirror-card        { padding: 1rem; }

    .quick-start        { padding: 1.1rem; }
    .quick-start h2     { font-size: 1.1rem; }
    .card               { padding: 1.2rem; }
    .section-header h2  { font-size: 1.22rem; }
    .overview-grid,
    .pillars-grid,
    .source-grid,
    .use-cases,
    .faq-grid           { grid-template-columns: 1fr; }

    pre                 { padding: 0.95rem; }
    pre code            { font-size: 0.74rem; }
    .copy-btn           { font-size: 0.66rem; top: 0.45rem; right: 0.45rem; }

    table { display: block; overflow-x: auto; white-space: nowrap; }
    th, td { padding: 0.55rem 0.65rem; font-size: 0.8rem; }

    .image-grid    { grid-template-columns: 1fr; }
    .footer        { padding: 1.5rem 1rem; }
    .footer-links  { gap: 0.8rem; }
}

@media (max-width: 480px) {
    .navbar         { padding: 0.3rem 0.8rem; }
    .navbar-links   { margin: 0 -0.8rem; }
    .navbar-links a { padding: 0.78rem 0.8rem; }

    .hero h1        { font-size: 1.42rem; }
    .container,
    .container-wide { padding: 1rem 0.8rem 1.6rem; }
    .card,
    .quick-start,
    .quick-start-item,
    .mirror-card    { padding: 1rem; }
    .hero-panel,
    .overview-card,
    .pillar-card,
    .source-card,
    .use-case-card,
    .faq-item       { padding: 1rem; }
    .hero-panel-grid { grid-template-columns: 1fr; }
}

/* ── Utilities ────────────────────────────────────────────── */
.container, .container-wide { width: 100%; }
.mirrors-grid, .quick-start-grid, .image-grid { min-width: 0; }
pre, .url-box { max-width: 100%; }

ol { margin-left: 1.5rem; margin-top: 0.5rem; }
ol li { margin-bottom: 0.4rem; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }
ul:not([class]) { margin-left: 1.4rem; margin-top: 0.5rem; }
ul:not([class]) li { margin-bottom: 0.4rem; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; }
p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.65; }

hr {
    border: none;
    border-top: 1px solid var(--border-subtle);
    margin: 1.6rem 0;
}