/* ============================================================
   layer-2.wiki — Marble Archive of Protocol Knowledge
   Aesthetic: retro temple meets silent spacecraft bridge
   Layout: F-pattern reading flow with persistent colonnade
   ============================================================ */

:root {
    /* Palette per DESIGN.md */
    --bg-alabaster: #FAF3E0;
    --bg-blushed:   #F5E6DC;
    --bg-deep:      #2C2520;
    --accent-terracotta: #D4A89A;
    --accent-rose:       #E8C4C4;
    --accent-sage:       #B5C4B1;
    --text-stone:        #5A5147;
    --text-umber:        #6B5B4E;
    --text-brass:        #A89F91;
    --hud-cyan:          #A8D8DC;
    --rule-cream:        #C4B7A6;
    --clay:              #8A7968;

    /* Typography */
    --font-display: "Bebas Neue", "Inter", sans-serif;
    --font-sub:     "Cormorant Garamond", "Lora", serif;
    --font-body:    "Lora", "Cormorant Garamond", serif;
    --font-hud:     "Space Mono", "Space", monospace;

    /* Layout */
    --colonnade-w: 260px;
    --content-pad-l: 110px;
    --content-pad-r: 60px;

    /* Motion */
    --ease-zen: cubic-bezier(0.23, 1, 0.32, 1);
}

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

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg-alabaster);
    color: var(--text-stone);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    background:
        radial-gradient(ellipse at 18% 14%, rgba(245, 230, 220, 0.95) 0%, transparent 55%),
        radial-gradient(ellipse at 82% 28%, rgba(232, 196, 196, 0.6) 0%, transparent 50%),
        radial-gradient(ellipse at 48% 78%, rgba(212, 168, 154, 0.4) 0%, transparent 60%),
        var(--bg-alabaster);
}

a { color: var(--accent-terracotta); text-decoration: none; transition: color 500ms var(--ease-zen); }
a:hover { color: var(--text-umber); }

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

/* ============================================================
   Marble Surface (reusable mixin via class)
   ============================================================ */
.marble-surface {
    background:
        radial-gradient(ellipse at 20% 50%, var(--bg-blushed) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, var(--accent-rose) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 80%, var(--accent-terracotta) 0%, transparent 30%),
        var(--bg-alabaster);
    background-blend-mode: multiply, screen, multiply, normal;
}

/* ============================================================
   Sidebar Colonnade (the F's vertical anchor on the left side)
   ============================================================ */
.colonnade {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--colonnade-w);
    height: 100vh;
    background: var(--bg-blushed);
    background:
        linear-gradient(180deg, rgba(250, 243, 224, 0.55) 0%, rgba(245, 230, 220, 0.95) 40%, rgba(232, 196, 196, 0.4) 100%),
        var(--bg-blushed);
    border-right: 1px solid rgba(212, 168, 154, 0.3);
    z-index: 100;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 6px 0 30px -15px rgba(44, 37, 32, 0.18);
}

.colonnade-marble {
    position: absolute;
    inset: 0;
    pointer-events: none;
    opacity: 0.85;
}

.colonnade-veins {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.colonnade-header {
    position: relative;
    padding: 36px 28px 24px;
    z-index: 2;
    border-bottom: 1px solid rgba(196, 183, 166, 0.4);
}

.colonnade-glyph {
    margin-bottom: 14px;
    animation: gauge-rotate 60s linear infinite;
    transform-origin: center;
    width: 40px;
    height: 40px;
}

.colonnade-title {
    font-family: var(--font-display);
    font-size: 28px;
    letter-spacing: 0.06em;
    line-height: 1;
    color: var(--text-umber);
}

.colonnade-name { color: var(--text-umber); }
.colonnade-suffix {
    color: var(--accent-terracotta);
    font-family: var(--font-hud);
    font-size: 13px;
    letter-spacing: 0.18em;
    margin-left: 6px;
    vertical-align: middle;
}

.colonnade-subtitle {
    margin-top: 10px;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-brass);
}

/* Navigation items */
.colonnade-nav {
    position: relative;
    z-index: 2;
    flex: 1;
    overflow-y: auto;
    padding: 22px 0;
}

.nav-item {
    position: relative;
    display: grid;
    grid-template-columns: 22px 28px 1fr 18px;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    text-decoration: none;
    color: var(--text-umber);
    transition: transform 500ms var(--ease-zen),
                background-color 500ms var(--ease-zen),
                color 500ms var(--ease-zen);
    transform-origin: left center;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.nav-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 2px;
    background: var(--accent-terracotta);
    opacity: 0;
    transition: opacity 500ms var(--ease-zen);
}

.nav-item:hover {
    transform: scale(1.05) translateX(2px);
    background-color: rgba(212, 168, 154, 0.1);
    color: var(--text-stone);
}

.nav-item.active {
    color: var(--text-stone);
    background-color: rgba(232, 196, 196, 0.18);
}

.nav-item.active::before { opacity: 0.7; }

.nav-pips {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
    align-items: center;
}

.pip {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    border: 1px solid var(--text-brass);
    background: transparent;
    opacity: 0.3;
    transition: opacity 500ms var(--ease-zen),
                background-color 500ms var(--ease-zen),
                border-color 500ms var(--ease-zen);
}

.nav-item:hover .pip { opacity: 0.8; }
.nav-item.active .pip {
    background: var(--hud-cyan);
    border-color: var(--hud-cyan);
    opacity: 0.9;
}

.nav-index {
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.1em;
    color: var(--text-brass);
}

.nav-item.active .nav-index,
.nav-item:hover .nav-index { color: var(--accent-terracotta); }

.nav-label {
    font-family: var(--font-sub);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: none;
    color: var(--clay);
    line-height: 1.2;
}

.nav-item.active .nav-label,
.nav-item:hover .nav-label { color: var(--text-umber); }

.nav-glyph {
    color: var(--text-brass);
    opacity: 0.55;
    transition: opacity 500ms var(--ease-zen), color 500ms var(--ease-zen);
}

.nav-item:hover .nav-glyph,
.nav-item.active .nav-glyph {
    opacity: 0.95;
    color: var(--accent-terracotta);
}

.colonnade-footer {
    position: relative;
    z-index: 2;
    padding: 18px 28px 28px;
    border-top: 1px solid rgba(196, 183, 166, 0.4);
    display: flex;
    align-items: center;
    gap: 14px;
}

.gauge {
    width: 48px;
    height: 48px;
}

.gauge-arc {
    transform-origin: center;
    animation: gauge-rotate 60s linear infinite;
    stroke-dashoffset: 0;
}

@keyframes gauge-rotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.colonnade-footer .gauge svg { width: 100%; height: 100%; }
.colonnade-footer .gauge-arc { animation-duration: 60s; }

.footer-data {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-label {
    font-family: var(--font-hud);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-brass);
}

.footer-value {
    font-family: var(--font-hud);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--accent-terracotta);
}

/* ============================================================
   Main content zone
   ============================================================ */
.content-zone {
    margin-left: var(--colonnade-w);
    position: relative;
}

/* ============================================================
   Header band — first horizontal stroke of F
   ============================================================ */
.header-band {
    position: relative;
    padding: 56px var(--content-pad-r) 36px var(--content-pad-l);
    background:
        radial-gradient(ellipse at 14% 40%, var(--bg-blushed) 0%, transparent 55%),
        radial-gradient(ellipse at 78% 18%, var(--accent-rose) 0%, transparent 45%),
        radial-gradient(ellipse at 56% 90%, var(--accent-terracotta) 0%, transparent 35%),
        var(--bg-alabaster);
    background-blend-mode: multiply, screen, multiply, normal;
    border-bottom: 1px solid rgba(196, 183, 166, 0.45);
    overflow: hidden;
}

.header-band::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(135deg, rgba(232, 196, 196, 0.05) 0 2px, transparent 2px 9px);
    pointer-events: none;
}

.header-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: end;
}

.site-title {
    font-family: var(--font-display);
    font-size: clamp(54px, 7.4vw, 104px);
    line-height: 0.92;
    letter-spacing: 0.08em;
    color: var(--text-umber);
    margin: 0 0 14px 0;
    text-transform: uppercase;
}

.site-tagline {
    font-family: var(--font-sub);
    font-size: 18px;
    font-style: italic;
    color: var(--clay);
    margin: 0;
    max-width: 32em;
    letter-spacing: 0.01em;
}

.header-ticker {
    border-left: 1px solid rgba(212, 168, 154, 0.4);
    padding-left: 22px;
    min-width: 0;
}

.ticker-label {
    display: block;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent-terracotta);
    margin-bottom: 10px;
}

.ticker-track {
    overflow: hidden;
    width: 100%;
    border-top: 1px solid rgba(168, 159, 145, 0.25);
    border-bottom: 1px solid rgba(168, 159, 145, 0.25);
    padding: 8px 0;
    background: rgba(250, 243, 224, 0.3);
}

.ticker-content {
    display: flex;
    gap: 36px;
    white-space: nowrap;
    will-change: transform;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--text-brass);
    text-transform: uppercase;
}

.ticker-item .dot {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--hud-cyan);
    box-shadow: 0 0 5px rgba(168, 216, 220, 0.6);
}

/* ============================================================
   Corner brackets — sci-fi targeting reticle
   ============================================================ */
.corner-bracket {
    position: absolute;
    width: 22px;
    height: 22px;
    border: 1px solid var(--hud-cyan);
    opacity: 0.4;
    pointer-events: none;
    z-index: 4;
    animation: bracket-pulse 8s ease-in-out infinite;
}
.corner-bracket.tl { top: 18px; left: 18px; border-right: none; border-bottom: none; }
.corner-bracket.tr { top: 18px; right: 18px; border-left:  none; border-bottom: none; }
.corner-bracket.bl { bottom: 18px; left: 18px; border-right: none; border-top:    none; }
.corner-bracket.br { bottom: 18px; right: 18px; border-left:  none; border-top:    none; }

@keyframes bracket-pulse {
    0%, 100% { opacity: 0.35; }
    50%      { opacity: 0.45; }
}

/* ============================================================
   Chamber (section) base
   ============================================================ */
.chamber {
    position: relative;
    min-height: 84vh;
    padding: 110px var(--content-pad-r) 110px var(--content-pad-l);
    overflow: hidden;
    border-left: 1px solid rgba(196, 183, 166, 0.35);
}

.chamber-light {
    background:
        radial-gradient(ellipse at 18% 22%, var(--bg-blushed) 0%, transparent 55%),
        radial-gradient(ellipse at 86% 12%, var(--accent-rose) 0%, transparent 42%),
        radial-gradient(ellipse at 60% 86%, var(--accent-terracotta) 0%, transparent 32%),
        var(--bg-alabaster);
    background-blend-mode: multiply, screen, multiply, normal;
    color: var(--text-stone);
}

.chamber-dark {
    background:
        radial-gradient(ellipse at 12% 28%, rgba(106, 89, 78, 0.55) 0%, transparent 55%),
        radial-gradient(ellipse at 82% 18%, rgba(168, 159, 145, 0.18) 0%, transparent 45%),
        radial-gradient(ellipse at 56% 80%, rgba(138, 121, 104, 0.4) 0%, transparent 35%),
        var(--bg-deep);
    color: var(--bg-alabaster);
    border-left-color: rgba(168, 159, 145, 0.18);
}

.chamber-marble {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    transition: opacity 1200ms var(--ease-zen);
}

.chamber-marble.dark { opacity: 0.5; }

.chamber-veins {
    width: 100%;
    height: 100%;
    transform: translateY(0);
    will-change: transform;
}

/* CRT scan-lines overlay for dark chambers */
.scan-lines {
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        to bottom,
        rgba(168, 159, 145, 0.08) 0,
        rgba(168, 159, 145, 0.08) 1px,
        transparent 1px,
        transparent 4px
    );
    pointer-events: none;
    z-index: 2;
    opacity: 0.85;
}

.chamber > *:not(.chamber-marble):not(.scan-lines):not(.corner-bracket) {
    position: relative;
    z-index: 3;
}

/* Vertical rule — F-pattern stem */
.chamber::before {
    content: "";
    position: absolute;
    left: calc(var(--content-pad-l) - 28px);
    top: 130px;
    bottom: 110px;
    width: 1px;
    background: var(--rule-cream);
    opacity: 0.5;
    z-index: 3;
}

.chamber-dark::before {
    background: var(--text-brass);
    opacity: 0.35;
}

/* ============================================================
   Chamber meta (top thin readout line)
   ============================================================ */
.chamber-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-brass);
    margin-bottom: 32px;
    padding-bottom: 12px;
    border-bottom: 1px dashed rgba(168, 159, 145, 0.35);
}

.chamber-meta.dark { color: var(--text-brass); border-bottom-color: rgba(168, 159, 145, 0.25); }

.meta-index { color: var(--accent-terracotta); }
.meta-divider { color: var(--text-brass); opacity: 0.5; }
.meta-label { color: var(--text-umber); font-weight: 700; }
.chamber-dark .meta-label { color: var(--bg-alabaster); }
.meta-readout { color: var(--text-brass); }
.gauge-mini { margin-left: auto; opacity: 0.7; }
.gauge-mini .gauge-arc {
    animation: gauge-rotate 60s linear infinite;
    transform-origin: center;
}

/* ============================================================
   Chamber typography
   ============================================================ */
.chamber-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 6.4vw, 92px);
    line-height: 0.94;
    letter-spacing: 0.08em;
    color: var(--text-umber);
    margin: 0 0 30px 0;
    text-transform: uppercase;
    max-width: 14ch;
}

.chamber-dark .chamber-title { color: var(--bg-alabaster); }

.chamber-lead {
    font-family: var(--font-sub);
    font-weight: 600;
    font-size: clamp(20px, 1.8vw, 26px);
    line-height: 1.5;
    color: var(--clay);
    margin: 0 0 36px 0;
    max-width: 36em;
    font-style: italic;
    letter-spacing: 0.005em;
}

.chamber-dark .chamber-lead { color: var(--accent-rose); }

.chamber-body {
    max-width: 38em;
    margin-bottom: 50px;
}

.chamber-body p {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.78;
    color: var(--text-stone);
    margin: 0 0 1.2em 0;
}

.chamber-dark .chamber-body p { color: var(--text-brass); }

.chamber-body em {
    color: var(--accent-terracotta);
    font-style: italic;
}

.chamber-dark .chamber-body em { color: var(--accent-rose); }

.chamber-body.two-col {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr);
    gap: 56px;
    max-width: none;
    align-items: start;
}

.primary-col p { max-width: 38em; }

/* Marginalia */
.margin-note {
    margin-top: 28px;
    padding: 16px 20px;
    border-left: 2px solid var(--accent-terracotta);
    background: rgba(232, 196, 196, 0.16);
    max-width: 42em;
}

.note-label {
    display: block;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-terracotta);
    margin-bottom: 6px;
}

.note-text {
    font-family: var(--font-sub);
    font-size: 14px;
    font-style: italic;
    color: var(--clay);
}

/* ============================================================
   Side block (the meta panel in two-col layouts)
   ============================================================ */
.side-block {
    position: relative;
    padding: 24px 22px;
    background: rgba(250, 243, 224, 0.5);
    border: 1px solid rgba(196, 183, 166, 0.45);
    transition: transform 500ms var(--ease-zen),
                background 500ms var(--ease-zen),
                box-shadow 500ms var(--ease-zen);
    transform-origin: center;
}

.chamber-dark .side-block {
    background: rgba(106, 89, 78, 0.18);
    border-color: rgba(168, 159, 145, 0.3);
}

.side-block:hover {
    transform: scale(1.03);
    background: rgba(250, 243, 224, 0.8);
    box-shadow: 0 8px 30px -15px rgba(44, 37, 32, 0.25);
}

.chamber-dark .side-block:hover { background: rgba(106, 89, 78, 0.28); }

.side-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid var(--hud-cyan);
    opacity: 0.5;
    transition: opacity 500ms var(--ease-zen);
}
.side-corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.side-corner.tr { top: -1px; right: -1px; border-left:  none; border-bottom: none; }
.side-corner.bl { bottom: -1px; left: -1px; border-right: none; border-top:    none; }
.side-corner.br { bottom: -1px; right: -1px; border-left:  none; border-top:    none; }
.side-block:hover .side-corner { opacity: 0.85; }

.side-title {
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-terracotta);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(212, 168, 154, 0.3);
}

.side-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.side-list li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px dotted rgba(168, 159, 145, 0.3);
}

.side-list li:last-child { border-bottom: none; }

.side-key {
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--text-brass);
}

.side-val {
    font-family: var(--font-sub);
    font-size: 14px;
    font-style: italic;
    color: var(--text-umber);
    text-align: right;
}

.chamber-dark .side-val { color: var(--bg-alabaster); }

/* ============================================================
   Data strip in preamble
   ============================================================ */
.data-strip {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(196, 183, 166, 0.35);
    border: 1px solid rgba(196, 183, 166, 0.45);
    max-width: 720px;
}

.data-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 18px;
    background: rgba(250, 243, 224, 0.6);
}

.data-key {
    font-family: var(--font-hud);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-brass);
}

.data-val {
    font-family: var(--font-hud);
    font-size: 14px;
    letter-spacing: 0.06em;
    color: var(--accent-terracotta);
}

/* ============================================================
   Strata cards (section 1)
   ============================================================ */
.strata-list {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 22px;
    max-width: 1100px;
}

.stratum-card {
    position: relative;
    padding: 26px 24px 28px;
    background: rgba(250, 243, 224, 0.08);
    border: 1px solid rgba(168, 159, 145, 0.25);
    transition: transform 500ms var(--ease-zen),
                background 500ms var(--ease-zen),
                box-shadow 500ms var(--ease-zen);
    transform-origin: center;
    overflow: hidden;
}

.chamber-light .stratum-card {
    background: rgba(250, 243, 224, 0.55);
    border-color: rgba(196, 183, 166, 0.4);
}

.stratum-card:hover {
    transform: scale(1.03);
    background: rgba(250, 243, 224, 0.18);
    box-shadow: 0 14px 38px -22px rgba(0, 0, 0, 0.35);
}

.chamber-light .stratum-card:hover { background: rgba(250, 243, 224, 0.85); }

.card-corner {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 1px solid var(--hud-cyan);
    opacity: 0.4;
    transition: opacity 500ms var(--ease-zen);
}
.card-corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.card-corner.tr { top: -1px; right: -1px; border-left:  none; border-bottom: none; }
.card-corner.bl { bottom: -1px; left: -1px; border-right: none; border-top:    none; }
.card-corner.br { bottom: -1px; right: -1px; border-left:  none; border-top:    none; }
[data-card]:hover .card-corner { opacity: 0.75; }

.card-index {
    display: inline-block;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--accent-terracotta);
    margin-bottom: 10px;
}

.card-title {
    font-family: var(--font-sub);
    font-size: 22px;
    font-weight: 600;
    color: var(--bg-alabaster);
    margin: 0 0 12px 0;
    letter-spacing: 0.01em;
}

.chamber-light .card-title { color: var(--text-umber); }

.card-body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-brass);
    margin: 0;
}

.chamber-light .card-body { color: var(--text-stone); }

/* ============================================================
   Finality grid (section 2)
   ============================================================ */
.finality-grid {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 1100px;
}

.finality-row {
    position: relative;
    display: grid;
    grid-template-columns: 1.4fr 1fr 2.3fr 1.6fr;
    gap: 24px;
    align-items: center;
    padding: 20px 24px;
    background: rgba(250, 243, 224, 0.6);
    border: 1px solid rgba(196, 183, 166, 0.4);
    transition: transform 500ms var(--ease-zen),
                background 500ms var(--ease-zen),
                box-shadow 500ms var(--ease-zen);
    transform-origin: left center;
}

.finality-row:hover {
    transform: scale(1.02);
    background: rgba(250, 243, 224, 0.92);
    box-shadow: 0 10px 30px -20px rgba(44, 37, 32, 0.4);
}

.row-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 1px solid var(--hud-cyan);
    opacity: 0.4;
    transition: opacity 500ms var(--ease-zen);
}
.row-corner.tl { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.row-corner.br { bottom: -1px; right: -1px; border-left:  none; border-top:    none; }
[data-card]:hover .row-corner { opacity: 0.8; }

.finality-name {
    font-family: var(--font-sub);
    font-size: 19px;
    font-weight: 600;
    color: var(--text-umber);
    letter-spacing: 0.02em;
}

.finality-window {
    font-family: var(--font-hud);
    font-size: 12px;
    letter-spacing: 0.12em;
    color: var(--accent-terracotta);
    text-transform: uppercase;
}

.finality-desc {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-stone);
    font-style: italic;
}

.finality-bar {
    height: 6px;
    background: rgba(196, 183, 166, 0.35);
    position: relative;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    width: var(--w);
    background: linear-gradient(90deg, var(--accent-terracotta), var(--hud-cyan));
    transition: width 1200ms var(--ease-zen);
}

/* ============================================================
   Taxonomy table (section 3)
   ============================================================ */
.taxonomy-table {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(168, 159, 145, 0.25);
    background: rgba(168, 159, 145, 0.04);
    max-width: 1180px;
}

.taxo-head, .taxo-row {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr 1.4fr;
    gap: 20px;
    padding: 14px 22px;
    align-items: center;
}

.taxo-head {
    border-bottom: 1px solid rgba(168, 159, 145, 0.3);
    background: rgba(106, 89, 78, 0.35);
}

.th {
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent-rose);
}

.taxo-row {
    border-bottom: 1px solid rgba(168, 159, 145, 0.18);
    transition: transform 500ms var(--ease-zen),
                background 500ms var(--ease-zen);
    transform-origin: left center;
}

.taxo-row:last-child { border-bottom: none; }

.taxo-row:hover {
    transform: scale(1.015);
    background: rgba(168, 159, 145, 0.1);
}

.td {
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--bg-alabaster);
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 8px;
}

.td:first-child {
    font-family: var(--font-sub);
    font-size: 17px;
    font-weight: 600;
    color: var(--bg-alabaster);
    letter-spacing: 0.01em;
}

.td-glyph {
    color: var(--hud-cyan);
    font-size: 14px;
    margin-right: 4px;
}

.taxo-row .td:nth-child(2),
.taxo-row .td:nth-child(3),
.taxo-row .td:nth-child(5) {
    color: var(--text-brass);
    font-style: italic;
    font-size: 13px;
}

.taxo-row .td:nth-child(4) {
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--accent-terracotta);
    font-style: normal;
}

/* ============================================================
   Bridge flow visualization (section 4)
   ============================================================ */
.bridge-flow {
    margin-top: 50px;
    max-width: 1100px;
    padding: 22px 0;
    border-top: 1px solid rgba(196, 183, 166, 0.3);
    border-bottom: 1px solid rgba(196, 183, 166, 0.3);
}

.bridge-flow svg { width: 100%; height: auto; }

.flow-particle { will-change: transform; }

/* ============================================================
   Crypto grid (section 5)
   ============================================================ */
.crypto-grid {
    margin-top: 36px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    max-width: 1180px;
}

.crypto-card {
    position: relative;
    padding: 24px 22px 26px;
    background: rgba(168, 159, 145, 0.06);
    border: 1px solid rgba(168, 159, 145, 0.22);
    transition: transform 500ms var(--ease-zen),
                background 500ms var(--ease-zen),
                box-shadow 500ms var(--ease-zen);
    transform-origin: center;
    overflow: hidden;
}

.crypto-card:hover {
    transform: scale(1.03);
    background: rgba(168, 159, 145, 0.14);
    box-shadow: 0 14px 38px -22px rgba(0, 0, 0, 0.45);
}

.crypto-tag {
    display: inline-block;
    font-family: var(--font-hud);
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--hud-cyan);
    margin-bottom: 10px;
}

.crypto-title {
    font-family: var(--font-sub);
    font-size: 24px;
    font-weight: 600;
    color: var(--bg-alabaster);
    margin: 0 0 10px 0;
    letter-spacing: 0.01em;
}

.crypto-body {
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-brass);
    margin: 0 0 14px 0;
    font-style: italic;
}

.crypto-meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 12px;
    padding-top: 12px;
    border-top: 1px dotted rgba(168, 159, 145, 0.35);
}

.cm-key {
    font-family: var(--font-hud);
    font-size: 9px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-brass);
}

.cm-val {
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--accent-terracotta);
}

/* ============================================================
   Fracture line dividers
   ============================================================ */
.fracture-divider {
    position: relative;
    margin: 0;
    padding: 18px var(--content-pad-r) 18px var(--content-pad-l);
    background: var(--bg-alabaster);
    border-left: 1px solid rgba(196, 183, 166, 0.35);
    overflow: hidden;
}

.fracture-divider svg {
    width: 100%;
    height: 30px;
    filter: drop-shadow(0 1px 2px rgba(44, 37, 32, 0.06));
}

.fracture-path {
    transition: stroke 800ms var(--ease-zen), opacity 800ms var(--ease-zen);
    opacity: 0.5;
    stroke-dasharray: 1, 0;
}

.fracture-divider:hover .fracture-path {
    opacity: 0.85;
    animation: fracture-breathe 2s var(--ease-zen);
}

@keyframes fracture-breathe {
    0%   { transform: translateY(0)   scaleY(1); }
    50%  { transform: translateY(-1px) scaleY(1.15); }
    100% { transform: translateY(0)   scaleY(1); }
}

/* Dark fracture (between dark sections) — adjust contrast */
.chamber-dark + .fracture-divider {
    background: var(--bg-deep);
}
.chamber-dark + .fracture-divider .fracture-path { stroke: var(--accent-rose); }

/* ============================================================
   Page footer (bottom of colophon)
   ============================================================ */
.page-footer {
    margin-top: 60px;
    padding-top: 22px;
    border-top: 1px solid rgba(196, 183, 166, 0.45);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-family: var(--font-hud);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-brass);
}

.footer-mark { color: var(--accent-terracotta); }
.footer-sep { color: var(--text-brass); opacity: 0.5; }
.footer-tick { margin-left: auto; color: var(--clay); }

.signoff {
    margin-top: 30px;
    font-family: var(--font-sub);
    font-style: italic;
    font-size: 15px;
    color: var(--clay);
    letter-spacing: 0.04em;
}

/* ============================================================
   IntersectionObserver fade-in
   ============================================================ */
.chamber [data-card],
.chamber .side-block,
.chamber .data-strip,
.chamber .bridge-flow {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 1200ms var(--ease-zen), transform 1200ms var(--ease-zen);
}

.chamber.visible [data-card],
.chamber.visible .side-block,
.chamber.visible .data-strip,
.chamber.visible .bridge-flow {
    opacity: 1;
    transform: translateY(0);
}

.chamber.visible [data-card]:nth-child(1) { transition-delay: 0ms; }
.chamber.visible [data-card]:nth-child(2) { transition-delay: 200ms; }
.chamber.visible [data-card]:nth-child(3) { transition-delay: 400ms; }
.chamber.visible [data-card]:nth-child(4) { transition-delay: 600ms; }
.chamber.visible [data-card]:nth-child(5) { transition-delay: 800ms; }
.chamber.visible [data-card]:nth-child(6) { transition-delay: 1000ms; }

/* Corner brackets fade in too */
.chamber .corner-bracket {
    opacity: 0;
    transition: opacity 1500ms var(--ease-zen);
}
.chamber.visible .corner-bracket { opacity: 0.4; animation: bracket-pulse 8s ease-in-out 1500ms infinite; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1100px) {
    :root {
        --content-pad-l: 60px;
        --content-pad-r: 40px;
    }
    .header-inner { grid-template-columns: 1fr; gap: 28px; }
    .header-ticker { border-left: none; padding-left: 0; border-top: 1px solid rgba(212, 168, 154, 0.3); padding-top: 18px; }
    .chamber-body.two-col { grid-template-columns: 1fr; gap: 30px; }
    .taxo-head, .taxo-row { grid-template-columns: 1fr 1fr; gap: 8px 18px; }
    .taxo-head .th:nth-child(n+3), .taxo-row .td:nth-child(n+3) { font-size: 11px; }
    .finality-row { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 820px) {
    :root {
        --colonnade-w: 0px;
        --content-pad-l: 28px;
        --content-pad-r: 24px;
    }
    .colonnade {
        position: relative;
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid rgba(212, 168, 154, 0.4);
    }
    .colonnade-nav { padding: 12px 0; }
    .nav-item { padding: 10px 22px; }
    .content-zone { margin-left: 0; }
    .chamber { padding-top: 70px; padding-bottom: 70px; min-height: auto; }
    .chamber::before { display: none; }
}