/* =====================================================================
   Infernux · 熔炉 — NASA Punk system
   --------------------------------------------------------------------- */

:root {
    /* ── Mission palette ─────────────────────────────────────────── */
    --accent: #eb5757;
    --accent-strong: #ff6e6e;
    --accent-deep: #b8313b;
    --accent-soft: rgba(235, 87, 87, 0.14);
    --accent-line: rgba(235, 87, 87, 0.32);

    --hazard: #f7b955;
    --hazard-soft: rgba(247, 185, 85, 0.16);
    --signal: #74e0a3;
    --signal-soft: rgba(116, 224, 163, 0.14);
    --info: #6ec0ff;

    /* ── Surfaces ────────────────────────────────────────────────── */
    --bg: #0a0c11;
    --bg-deep: #06080c;
    --bg-panel: #11141b;
    --bg-elevated: #181b23;
    --bg-tile: #1d212b;
    --bg-contrast: #060810;

    /* ── Type ────────────────────────────────────────────────────── */
    --text: #f3eee2;
    --text-muted: #aab1bc;
    --text-soft: #6c7484;
    --text-faint: #44495a;
    --text-mono: #d6cfbe;

    /* ── Lines ──────────────────────────────────────────────────── */
    --border: rgba(243, 238, 226, 0.08);
    --border-strong: rgba(243, 238, 226, 0.18);
    --border-accent: rgba(235, 87, 87, 0.42);

    /* ── Glow ───────────────────────────────────────────────────── */
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.55);
    --shadow-soft: 0 12px 36px rgba(0, 0, 0, 0.32);
    --glow-accent: 0 0 0 1px rgba(235, 87, 87, 0.28), 0 14px 38px rgba(235, 87, 87, 0.16);

    /* ── Layout ─────────────────────────────────────────────────── */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 26px;
    --content-width: 1280px;
    --page-padding: 28px;
    --section-space: 120px;
    --nav-height: 64px;
    --ribbon-height: 38px;

    /* ── Type stacks ────────────────────────────────────────────── */
    --font-display: "Space Grotesk", "Inter", "Segoe UI", sans-serif;
    --font-body: "Inter", "Space Grotesk", "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", "IBM Plex Mono", "Cascadia Code", monospace;

    /* ── Nav backgrounds ────────────────────────────────────────── */
    --nav-bg: rgba(8, 10, 15, 0.78);
    --nav-bg-scroll: rgba(8, 10, 15, 0.96);
    --code-bg: #0b0d12;

    color-scheme: dark;
}

[data-theme="light"] {
    --accent: #eb5757;
    --accent-strong: #d83b46;
    --accent-deep: #9c1f29;
    --accent-soft: rgba(235, 87, 87, 0.1);
    --accent-line: rgba(235, 87, 87, 0.34);

    --hazard: #c47b1f;
    --hazard-soft: rgba(247, 185, 85, 0.18);
    --signal: #2e9b6c;
    --signal-soft: rgba(116, 224, 163, 0.18);
    --info: #2a72c9;

    --bg: #f4f1e8;
    --bg-deep: #ebe6da;
    --bg-panel: #fbf8ef;
    --bg-elevated: #f1ecdf;
    --bg-tile: #e9e3d2;
    --bg-contrast: #ddd5c1;

    --text: #1a1c22;
    --text-muted: #51596a;
    --text-soft: #7a8092;
    --text-faint: #afb4c0;
    --text-mono: #2c2f3a;

    --border: rgba(20, 22, 30, 0.1);
    --border-strong: rgba(20, 22, 30, 0.22);
    --border-accent: rgba(235, 87, 87, 0.46);

    --shadow: 0 22px 50px rgba(60, 32, 32, 0.1);
    --shadow-soft: 0 8px 20px rgba(60, 32, 32, 0.06);

    --nav-bg: rgba(244, 241, 232, 0.86);
    --nav-bg-scroll: rgba(244, 241, 232, 0.96);
    /* Code panels in light mode: light “paper” block so syntax colors stay legible on cream page */
    --code-bg: #f2ece2;
    --code-surface-2: #e4dcd0;
    --code-border-strong: rgba(20, 22, 30, 0.14);
    --code-text-default: #1e2128;
    --code-hl-keyword: #b12d2d;
    --code-hl-class: #8a4b00;
    --code-hl-fn: #1a5f9e;
    --code-hl-param: #9a2d4a;
    --code-hl-string: #2d6a3a;
    --code-hl-number: #a65f0c;
    --code-hl-comment: #5c6370;

    color-scheme: light;
}

/* ── Base reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

/* ── Background: deep space + grid + soft halo ───────────────────── */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(1px 1px at 12% 18%, rgba(243, 238, 226, 0.28) 50%, transparent 60%),
        radial-gradient(1px 1px at 28% 62%, rgba(243, 238, 226, 0.18) 50%, transparent 60%),
        radial-gradient(1px 1px at 64% 28%, rgba(243, 238, 226, 0.22) 50%, transparent 60%),
        radial-gradient(1px 1px at 82% 78%, rgba(243, 238, 226, 0.14) 50%, transparent 60%),
        radial-gradient(2px 2px at 76% 14%, rgba(235, 87, 87, 0.4) 50%, transparent 60%),
        linear-gradient(rgba(243, 238, 226, 0.025) 1px, transparent 1px) 0 0 / 32px 32px,
        linear-gradient(90deg, rgba(243, 238, 226, 0.025) 1px, transparent 1px) 0 0 / 32px 32px;
    background-color: transparent;
    pointer-events: none;
    z-index: -2;
    opacity: 0.7;
}

[data-theme="light"] body::before {
    background:
        linear-gradient(rgba(20, 22, 30, 0.04) 1px, transparent 1px) 0 0 / 32px 32px,
        linear-gradient(90deg, rgba(20, 22, 30, 0.04) 1px, transparent 1px) 0 0 / 32px 32px;
    opacity: 1;
}

body::after {
    content: "";
    position: fixed;
    pointer-events: none;
    z-index: -1;
    inset: -25vh -10vw auto auto;
    width: 70vw;
    height: 70vw;
    background:
        radial-gradient(circle at 30% 40%, rgba(235, 87, 87, 0.18) 0%, rgba(235, 87, 87, 0) 60%),
        radial-gradient(circle at 70% 70%, rgba(247, 185, 85, 0.08) 0%, rgba(247, 185, 85, 0) 60%);
    filter: blur(18px);
}

[data-theme="light"] body::after {
    background:
        radial-gradient(circle at 30% 40%, rgba(235, 87, 87, 0.1) 0%, rgba(235, 87, 87, 0) 60%),
        radial-gradient(circle at 70% 70%, rgba(196, 123, 31, 0.08) 0%, rgba(196, 123, 31, 0) 60%);
}

a { color: inherit; text-decoration: none; }

button, input, textarea, select { font: inherit; }

code, pre { font-family: var(--font-mono); }

img { max-width: 100%; display: block; }

/* ── Container ───────────────────────────────────────────────────── */
.container, .nav-container {
    width: min(var(--content-width), calc(100vw - (var(--page-padding) * 2)));
    margin: 0 auto;
}

/* ── Mission ribbon (top of every page, i18n engine name) ───────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1100;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
}

.mission-ribbon {
    height: var(--ribbon-height);
    background:
        linear-gradient(90deg, var(--accent) 0%, var(--accent-deep) 100%);
    color: #fdf3f0;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    overflow: hidden;
}

.mission-ribbon-inner {
    width: min(var(--content-width), calc(100vw - (var(--page-padding) * 2)));
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 0 6px;
}

.mission-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(253, 243, 240, 0.86);
}

.mission-kicker::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 12px rgba(116, 224, 163, 0.7);
}

.mission-name {
    display: inline-flex;
    align-items: baseline;
    gap: 14px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.96rem;
    letter-spacing: 0.32em;
}

.mission-name .mission-accent {
    color: #ffe4d6;
    text-shadow: 0 0 12px rgba(255, 207, 184, 0.5);
}

.mission-sub {
    font-family: var(--font-display);
    font-weight: 500;
    letter-spacing: 0.4em;
    color: rgba(253, 243, 240, 0.66);
    font-size: 0.82rem;
}

/* ── Navbar ──────────────────────────────────────────────────────── */
.navbar {
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}

.nav-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    font-family: var(--font-display);
}

.logo-icon {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--accent-soft);
    border: 1px solid var(--border-accent);
    overflow: hidden;
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 26px;
    color: var(--text-muted);
}

.nav-links a {
    position: relative;
    font-size: 0.86rem;
    font-family: var(--font-mono);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color 0.18s ease;
}

.nav-links a::after {
    content: "";
    position: absolute;
    inset: auto 0 -10px 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    transform: scaleX(1);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-toggle,
.theme-toggle,
.mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    border: 1px solid var(--border-strong);
    background: var(--bg-panel);
    color: var(--text);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.lang-toggle:hover,
.theme-toggle:hover,
.mobile-menu-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.lang-toggle { min-width: 64px; }

.mobile-menu-btn { display: none; }

/* ── Page shell ──────────────────────────────────────────────────── */
.page-shell {
    padding: 36px 0 96px;
}

.page-shell.home-shell {
    padding-top: 28px;
}

/* ── Hero (mission briefing) ─────────────────────────────────────── */
.hero-slab,
.subpage-hero,
.hub-hero {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(135deg, var(--bg-panel) 0%, var(--bg-contrast) 100%);
    box-shadow: var(--shadow);
}

.hero-slab::before,
.subpage-hero::before,
.hub-hero::before {
    content: "";
    position: absolute;
    inset: -80% -20% auto auto;
    width: 700px;
    height: 700px;
    background:
        radial-gradient(circle, rgba(235, 87, 87, 0.16) 0%, rgba(235, 87, 87, 0) 60%);
    pointer-events: none;
}

.hero-slab::after,
.subpage-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(180deg, rgba(243, 238, 226, 0.025) 0 1px, transparent 1px 32px),
        repeating-linear-gradient(90deg, rgba(243, 238, 226, 0.025) 0 1px, transparent 1px 48px);
    pointer-events: none;
    opacity: 0.55;
}

[data-theme="light"] .hero-slab::after,
[data-theme="light"] .subpage-hero::after {
    background:
        repeating-linear-gradient(180deg, rgba(20, 22, 30, 0.05) 0 1px, transparent 1px 32px),
        repeating-linear-gradient(90deg, rgba(20, 22, 30, 0.05) 0 1px, transparent 1px 48px);
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, min(56ch, 100%));
    gap: 48px;
    padding: 56px 56px 60px;
}

.hero-copy { position: relative; z-index: 1; }
.hero-panel {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 18px;
    align-content: start;
    min-width: 0;
    max-width: 56ch;
    justify-self: end;
    width: 100%;
}

/* Mission codename */
.hero-codename {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.28em;
    color: var(--text-soft);
}

.hero-codename .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 10px;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-xs);
    background: var(--accent-soft);
    color: var(--accent);
    letter-spacing: 0.22em;
}

.hero-codename .badge::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent);
}

.hero-title,
.subpage-hero h1,
.hub-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 6vw, 5.6rem);
    line-height: 0.92;
    letter-spacing: -0.04em;
    font-weight: 700;
}

.hero-title .accent,
.subpage-hero strong,
.hub-hero strong {
    color: var(--accent);
}

.hero-title .ji {
    color: var(--accent);
    -webkit-text-stroke: 1px var(--accent-deep);
}

.hero-subtitle {
    margin-top: 20px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--accent);
}

.hero-description,
.subpage-hero p,
.hub-hero p,
.section-intro,
.copy-body {
    margin-top: 20px;
    max-width: 720px;
    color: var(--text-muted);
    font-size: 1.02rem;
    line-height: 1.7;
}

.hero-actions,
.cta-buttons,
.hub-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 46px;
    padding: 0 22px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: var(--glow-accent);
}

.btn-primary:hover { background: var(--accent-strong); }

.btn-secondary {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Telemetry strip cards in hero */
.hero-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 32px;
}

.metric-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    background:
        linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-elevated) 100%);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: var(--accent);
}

.metric-card strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.6rem;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
    color: var(--text);
}

.metric-card span {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* Hero panel: mission console */
.metric-card,
.pillar-card,
.capability-card,
.step-card,
.status-card,
.lane-card,
.priority-card,
.hub-card,
.principle-card,
.release-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-elevated) 100%);
    box-shadow: var(--shadow-soft);
}

/* Code preview (hero: ≤56 columns; width follows 56ch grid rail) */
.code-preview {
    overflow: hidden;
    max-width: 56ch;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--code-bg);
    box-shadow: var(--shadow-soft);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(243, 238, 226, 0.03);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: var(--accent); }
.dot.yellow { background: var(--hazard); }
.dot.green { background: var(--signal); }

.filename {
    margin-left: 6px;
    color: var(--text-soft);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.1em;
}

.code-preview pre {
    padding: 18px 22px;
    overflow-x: auto;
    /* Hard cap ~56 characters per line for monospace (matches hero rail) */
    max-width: 56ch;
    box-sizing: content-box;
}

.code-preview code {
    font-family: var(--font-mono);
    color: var(--text-mono);
    font-size: 0.86rem;
    line-height: 1.78;
}

.keyword { color: #ff8a8a; }
.class-name { color: #ffd479; }
.function { color: #8ac2ff; }
.param { color: #ff8787; }
.type { color: #82d4d4; }
.number { color: #f3b36a; }
.string { color: #a6d97a; }
.comment { color: #5e6470; font-style: italic; }
.literal { color: #f3b36a; }
.decorator { color: #d08cff; }

/* Light theme: code preview readable on warm background */
[data-theme="light"] .code-preview {
    background: var(--code-bg);
    border-color: var(--code-border-strong);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.65) inset, var(--shadow-soft);
}

[data-theme="light"] .code-header {
    background: var(--code-surface-2);
    border-bottom-color: var(--code-border-strong);
}

[data-theme="light"] .code-preview code {
    color: var(--code-text-default);
}

[data-theme="light"] .code-preview .keyword { color: var(--code-hl-keyword); }
[data-theme="light"] .code-preview .class-name { color: var(--code-hl-class); }
[data-theme="light"] .code-preview .function { color: var(--code-hl-fn); }
[data-theme="light"] .code-preview .param { color: var(--code-hl-param); }
[data-theme="light"] .code-preview .string { color: var(--code-hl-string); }
[data-theme="light"] .code-preview .number { color: var(--code-hl-number); }
[data-theme="light"] .code-preview .comment { color: var(--code-hl-comment); }

/* ── Manifesto strip (telemetry banner) ──────────────────────────── */
.manifesto-strip {
    margin-top: 28px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-md);
    background:
        linear-gradient(90deg, var(--accent-soft) 0%, transparent 70%),
        var(--bg-panel);
    padding: 22px 28px;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 22px;
    align-items: center;
}

.manifesto-strip .manifesto-tag {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent-line);
    border-radius: var(--radius-xs);
    padding: 8px 12px;
    white-space: nowrap;
}

.manifesto-strip p {
    color: var(--text);
    font-size: 1.04rem;
    line-height: 1.6;
    max-width: none;
}

/* ── Sections ────────────────────────────────────────────────────── */
.section {
    padding-top: var(--section-space);
    position: relative;
}

.section-head {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
    gap: 32px;
    align-items: end;
    margin-bottom: 36px;
    position: relative;
}

.section-head::before {
    content: "";
    position: absolute;
    inset: -28px 0 auto 0;
    height: 1px;
    background:
        linear-gradient(90deg, var(--accent) 0%, var(--accent-line) 14%, transparent 60%);
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px;
    border-radius: var(--radius-xs);
    background: var(--accent-soft);
    border: 1px solid var(--accent-line);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 18px;
}

.section-kicker::before {
    content: "//";
    color: var(--accent-strong);
    letter-spacing: 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.4vw, 3.1rem);
    line-height: 1.04;
    letter-spacing: -0.03em;
    font-weight: 700;
}

/* ── Grid systems ────────────────────────────────────────────────── */
.grid-3,
.grid-2,
.status-grid,
.lane-grid,
.priority-grid,
.hub-grid,
.principles-grid,
.release-grid,
.capability-grid {
    display: grid;
    gap: 18px;
}

.grid-3,
.hub-grid,
.principles-grid,
.capability-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2,
.lane-grid,
.release-grid,
.status-grid,
.priority-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Generic content card */
.pillar-card,
.capability-card,
.step-card,
.status-card,
.lane-card,
.priority-card,
.hub-card,
.principle-card,
.release-card {
    display: block;
    padding: 26px 24px 24px;
    position: relative;
    overflow: hidden;
}

.pillar-card::before,
.capability-card::before,
.step-card::before,
.priority-card::before,
.lane-card::before,
.release-card::before,
.principle-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background:
        linear-gradient(90deg, var(--accent) 0%, transparent 50%);
    opacity: 0.55;
}

.card-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-xs);
    background: var(--accent-soft);
    border: 1px solid var(--accent-line);
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 1.05rem;
}

.pillar-card h3,
.capability-card h3,
.step-card h3,
.status-card h3,
.lane-card h3,
.priority-card h3,
.hub-card h3,
.principle-card h3,
.release-card h3 {
    font-family: var(--font-display);
    font-size: 1.18rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}

.pillar-card p,
.capability-card p,
.step-card p,
.status-card p,
.lane-card p,
.priority-card p,
.hub-card p,
.principle-card p,
.release-card p,
.lane-card li,
.priority-card li,
.release-card li {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

.list-clean {
    list-style: none;
    display: grid;
    gap: 10px;
    margin-top: 14px;
}

.list-clean li {
    padding-left: 18px;
    position: relative;
}

.list-clean li::before {
    content: "▸";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-size: 0.86rem;
}

/* Mini tag (capability/release/status) */
.capability-card .mini-tag,
.release-card .mini-tag,
.status-card .mini-tag,
.mini-tag {
    display: inline-flex;
    margin-bottom: 14px;
    padding: 5px 10px;
    border-radius: var(--radius-xs);
    background: var(--bg-tile);
    border: 1px solid var(--border-strong);
    color: var(--text-mono);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
}

/* ── Stack & Pipeline boards (architecture/flight plan) ──────────── */
.stack-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    margin-top: 4px;
}

.demo-layout {
    align-items: stretch;
}

.stack-board,
.pipeline-board,
.cta-panel {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-elevated) 100%);
    padding: 28px;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

.stack-board::after,
.pipeline-board::after {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent 60%);
    opacity: 0.6;
}

.stack-board h3,
.pipeline-board h3,
.cta-panel h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.stack-layer {
    display: grid;
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 18px;
    padding: 18px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background:
        linear-gradient(90deg, var(--accent-soft) 0%, transparent 60%),
        var(--bg-elevated);
    align-items: start;
}

.stack-layer + .stack-layer { margin-top: 12px; }

.stack-layer small,
.pipeline-stage small,
.release-card small,
.status-card small {
    color: var(--text-soft);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.74rem;
    display: block;
    margin-bottom: 4px;
}

.stack-layer > div:last-child {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.pipeline-stages {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.pipeline-stage {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
    padding: 18px;
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
}

.pipeline-stage .stage-index {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: #fff;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.4rem;
    letter-spacing: 0.04em;
    box-shadow: var(--glow-accent);
}

/* Workflow grid */
.workflow-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.step-card { padding: 26px 22px 22px; }

/* Status / release */
.status-card { display: grid; gap: 10px; }

.status-card .status-value {
    font-family: var(--font-display);
    font-size: 2.6rem;
    line-height: 1;
    letter-spacing: -0.04em;
    color: var(--accent);
    margin-top: 6px;
}

/* CTA */
.cta-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 24px;
    margin-top: var(--section-space);
    padding: 36px 36px;
    background:
        linear-gradient(135deg, var(--bg-panel) 0%, rgba(235, 87, 87, 0.18) 100%);
    border: 1px solid var(--accent-line);
}

.cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            -45deg,
            rgba(235, 87, 87, 0.05) 0 14px,
            transparent 14px 28px
        );
    pointer-events: none;
}

.cta-panel h2 { position: relative; z-index: 1; }
.cta-panel .cta-buttons { position: relative; z-index: 1; }

/* ── Footer ──────────────────────────────────────────────────────── */
.footer {
    margin-top: 96px;
    padding: 36px 0 32px;
    border-top: 1px solid var(--border);
    background:
        linear-gradient(180deg, transparent 0%, var(--bg-deep) 100%);
}

.footer-content {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 40px;
}

.footer-brand {
    max-width: 380px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 0.94rem;
}

.footer-links {
    display: flex;
    gap: 56px;
}

.footer-column {
    display: grid;
    gap: 10px;
}

.footer-column h4 {
    margin-bottom: 6px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text);
}

.footer-column a {
    color: var(--text-muted);
    font-size: 0.92rem;
    transition: color 0.18s ease;
}

.footer-column a:hover { color: var(--accent); }

.footer-bottom {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-soft);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* ── Subpage hero ────────────────────────────────────────────────── */
.subpage-hero,
.hub-hero { padding: 48px 52px 52px; }

.subpage-hero p,
.hub-hero p {
    max-width: 760px;
}

.roadmap-layout,
.hub-layout {
    padding-top: 28px;
}

/* Roadmap release headlines */
.release-grid { margin-top: 28px; }

.release-card strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    color: var(--accent);
    margin: 8px 0 12px;
}

.release-card ul {
    list-style: none;
    display: grid;
    gap: 8px;
    margin-top: 4px;
}

.release-card li {
    padding-left: 18px;
    position: relative;
}

.release-card li::before {
    content: "▹";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-size: 0.8rem;
}

.roadmap-bands,
.docs-principles {
    margin-top: var(--section-space);
}

.hub-grid { margin-top: 28px; }

.hub-card {
    position: relative;
    overflow: hidden;
}

.hub-card::after {
    content: "→";
    position: absolute;
    right: 22px;
    bottom: 18px;
    color: var(--accent);
    font-size: 1.1rem;
}

.hub-card:hover,
.release-card:hover,
.pillar-card:hover,
.capability-card:hover,
.step-card:hover,
.status-card:hover,
.lane-card:hover,
.priority-card:hover,
.principle-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-accent);
}

.hub-card,
.release-card,
.pillar-card,
.capability-card,
.step-card,
.status-card,
.lane-card,
.priority-card,
.principle-card {
    transition: transform 0.18s ease, border-color 0.18s ease;
}

/* Animate-in on scroll */
.animate-in { opacity: 1 !important; transform: translateY(0) !important; }

.nav-links.mobile-open {
    display: flex !important;
    position: absolute;
    top: calc(100% + 10px);
    left: var(--page-padding);
    right: var(--page-padding);
    flex-direction: column;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-panel);
    box-shadow: var(--shadow);
}

/* ── Telemetry table (replaces missing demo image) ──────────────── */
.telemetry-frame {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-deep) 100%);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
    min-height: 320px;
    position: relative;
}

.telemetry-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-soft);
}

.telemetry-head .dot {
    background: var(--signal);
    box-shadow: 0 0 10px rgba(116, 224, 163, 0.7);
}

.telemetry-body {
    padding: 22px 24px;
    display: grid;
    gap: 14px;
    font-family: var(--font-mono);
    font-size: 0.86rem;
    color: var(--text-mono);
    line-height: 1.6;
}

.telemetry-row {
    display: grid;
    grid-template-columns: 130px 1fr auto;
    gap: 18px;
    align-items: baseline;
    border-bottom: 1px dashed var(--border);
    padding-bottom: 10px;
}

.telemetry-row:last-child { border: 0; }

.telemetry-row .label {
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.74rem;
}

.telemetry-row .value {
    color: var(--text);
    font-family: var(--font-display);
    font-weight: 600;
}

.telemetry-row .unit {
    color: var(--accent);
    font-size: 0.78rem;
    letter-spacing: 0.18em;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1080px) {
    .hero-grid,
    .stack-layout,
    .section-head,
    .cta-panel {
        grid-template-columns: 1fr;
    }

    .hero-panel {
        justify-self: stretch;
        max-width: none;
    }

    .grid-3,
    .capability-grid,
    .hub-grid,
    .principles-grid,
    .workflow-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .mission-ribbon-inner { gap: 12px; }
    .mission-kicker { display: none; }

    .navbar { height: auto; padding: 12px 0; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: inline-flex; }

    .hero-grid,
    .grid-2,
    .grid-3,
    .capability-grid,
    .status-grid,
    .lane-grid,
    .priority-grid,
    .hub-grid,
    .principles-grid,
    .release-grid,
    .workflow-row,
    .hero-meta {
        grid-template-columns: 1fr;
    }

    .hero-grid,
    .subpage-hero,
    .hub-hero {
        padding: 32px;
    }

    .hero-title,
    .subpage-hero h1,
    .hub-hero h1 {
        font-size: 2.6rem;
    }

    .footer-content,
    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
}