/* =============================================================
   namu.systems  ::  Gold-Black Luxury / Vertical Timeline / HUD
   ============================================================= */

:root {
    --c-obsidian: #0A0A0A;
    --c-anthracite: #141414;
    --c-charcoal-velvet: #1C1A17;
    --c-gold-antique: #C9A84C;
    --c-gold-champagne: #D4AF37;
    --c-gold-tarnished: #9A7B2F;
    --c-bronze-shadow: #6B5420;
    --c-parchment: #E8E0D0;
    --c-amber: #B8860B;
    --c-glow: rgba(201, 168, 76, 0.12);
    --c-glow-soft: rgba(201, 168, 76, 0.08);

    --font-serif: "Libre Baskerville", Georgia, serif;
    --font-mono: "IBM Plex Mono", "Courier New", monospace;

    --spine-x: 50%;
    --node-width: 40vw;
    --max-node-width: 520px;

    --ease-out-soft: cubic-bezier(0.2, 0, 0.1, 1);
}

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

html, body {
    background: var(--c-obsidian);
    color: var(--c-parchment);
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 1.7;
    letter-spacing: 0.005em;
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(ellipse 1200px 800px at 50% 0%, var(--c-charcoal-velvet) 0%, var(--c-obsidian) 70%),
        var(--c-obsidian);
}

/* =============================================================
   HUD OVERLAY
   ============================================================= */

.hud-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 50;
    mix-blend-mode: normal;
}

.scan-lines {
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 3px,
        rgba(201, 168, 76, 0.04) 3px,
        rgba(201, 168, 76, 0.04) 4px
    );
    opacity: 0.7;
}

.corner-bracket {
    position: absolute;
    width: 40px;
    height: 40px;
    border-color: var(--c-gold-antique);
    opacity: 0;
    animation: bracketIn 1.4s var(--ease-out-soft) 0.4s forwards;
}

.corner-bracket--tl {
    top: 24px; left: 24px;
    border-top: 1px solid var(--c-gold-antique);
    border-left: 1px solid var(--c-gold-antique);
}
.corner-bracket--tr {
    top: 24px; right: 24px;
    border-top: 1px solid var(--c-gold-antique);
    border-right: 1px solid var(--c-gold-antique);
}
.corner-bracket--bl {
    bottom: 24px; left: 24px;
    border-bottom: 1px solid var(--c-gold-antique);
    border-left: 1px solid var(--c-gold-antique);
}
.corner-bracket--br {
    bottom: 24px; right: 24px;
    border-bottom: 1px solid var(--c-gold-antique);
    border-right: 1px solid var(--c-gold-antique);
}

@keyframes bracketIn {
    from {
        opacity: 0;
        transform: scale(1.4);
    }
    to {
        opacity: 0.2;
        transform: scale(1);
    }
}

.hud-reticle {
    position: absolute;
    width: 200px;
    height: 200px;
    left: 50%;
    top: 50%;
    border: 1px dashed var(--c-gold-antique);
    border-radius: 50%;
    opacity: 0.08;
    transform: translate(-50%, -50%);
    transition: width 0.6s var(--ease-out-soft), height 0.6s var(--ease-out-soft), opacity 0.6s ease;
}

.hud-reticle.is-pulsing {
    width: 300px;
    height: 300px;
    opacity: 0.14;
}

.domain-tag {
    position: absolute;
    top: 18px;
    left: 78px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-gold-antique);
    opacity: 0;
    animation: fadeIn 1.4s var(--ease-out-soft) 0.6s forwards;
    transition: opacity 0.5s ease;
}

.domain-tag.is-faded {
    opacity: 0.18 !important;
}

.mission-clock {
    position: absolute;
    top: 18px;
    right: 78px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--c-gold-antique);
    opacity: 0;
    animation: fadeIn 1.4s var(--ease-out-soft) 0.8s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 0.4; }
}

/* =============================================================
   MICRO NAVIGATION (right edge)
   ============================================================= */

.micro-nav {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 240px;
    z-index: 30;
    pointer-events: none;
}

.micro-nav__track {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(201, 168, 76, 0.18) 12%,
        rgba(201, 168, 76, 0.18) 88%,
        transparent 100%
    );
}

.micro-nav__dot {
    position: absolute;
    left: 50%;
    top: 0;
    width: 6px;
    height: 6px;
    background: var(--c-gold-champagne);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--c-glow);
    transform: translateX(-50%);
    transition: top 0.18s linear;
}

/* =============================================================
   TIMELINE SPINE
   ============================================================= */

.spine-container {
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
    z-index: 1;
    pointer-events: none;
}

.spine {
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--c-gold-antique) 4%,
        var(--c-gold-antique) 92%,
        rgba(201, 168, 76, 0) 100%
    );
    transform-origin: top center;
    animation: spineGrow 2.2s var(--ease-out-soft) 0.2s forwards;
    transform: scaleY(0);
    box-shadow: 0 0 12px var(--c-glow-soft);
}

@keyframes spineGrow {
    from { transform: scaleY(0); }
    to   { transform: scaleY(1); }
}

@keyframes spinePulse {
    0%, 100% { box-shadow: 0 0 12px var(--c-glow-soft); }
    50%      { box-shadow: 0 0 22px var(--c-glow); }
}

/* =============================================================
   TIMELINE / SECTIONS
   ============================================================= */

.timeline {
    position: relative;
    width: 100%;
    z-index: 2;
}

.section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 0;
}

/* =============================================================
   OPENING SECTION
   ============================================================= */

.section--opening {
    flex-direction: column;
    gap: 32px;
    text-align: center;
}

.opening-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    opacity: 0;
    animation: fadeIn 1.6s var(--ease-out-soft) 1.4s forwards;
    animation-fill-mode: forwards;
}

.opening-block {
    animation-name: openingFadeIn;
}

@keyframes openingFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.origin-marker {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--c-gold-antique);
    border: 1px solid var(--c-gold-champagne);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-obsidian);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    box-shadow: 0 0 30px var(--c-glow);
    animation: originPulse 4s ease-in-out infinite;
}

.origin-marker__inner {
    position: relative;
    z-index: 2;
    font-weight: 500;
}

.origin-marker__pulse {
    position: absolute;
    inset: -8px;
    border-radius: 50%;
    border: 1px solid var(--c-gold-antique);
    opacity: 0.5;
    animation: originRing 2.4s ease-out 1.4s 1;
}

@keyframes originRing {
    0%   { transform: scale(0.8); opacity: 0.7; }
    100% { transform: scale(2.6); opacity: 0; }
}

@keyframes originPulse {
    0%, 100% { box-shadow: 0 0 24px var(--c-glow-soft); }
    50%      { box-shadow: 0 0 36px var(--c-glow); }
}

.opening-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 22px;
    color: var(--c-gold-champagne);
    letter-spacing: 0.01em;
    text-shadow: 0 0 24px rgba(201, 168, 76, 0.18);
    max-width: 580px;
    line-height: 1.5;
}

.opening-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--c-gold-tarnished);
    opacity: 0.7;
}

/* =============================================================
   GENERIC NODE STRUCTURE
   ============================================================= */

.node {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 2px 1fr;
    align-items: center;
    column-gap: 0;
    padding: 160px 80px;
}

.node__bridge {
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--c-gold-antique);
    opacity: 0;
    transform: translateY(-50%) scaleX(0);
    transform-origin: center;
    transition: transform 0.7s var(--ease-out-soft) 0.2s, opacity 0.5s ease 0.2s;
}

.node--left .node__bridge {
    left: calc(50% - 40px);
    transform-origin: right center;
}

.node--right .node__bridge {
    right: calc(50% - 40px);
    transform-origin: left center;
}

.node.is-visible .node__bridge {
    opacity: 1;
    transform: translateY(-50%) scaleX(1);
}

.node__marker {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--c-gold-antique);
    border: 1px solid var(--c-gold-champagne);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.5s var(--ease-out-soft) 0.4s, box-shadow 0.6s ease 0.4s;
    box-shadow: 0 0 0 var(--c-glow);
    z-index: 4;
}

.node__marker::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--c-obsidian);
    transform: translate(-50%, -50%);
}

.node.is-visible .node__marker {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 18px var(--c-glow);
    animation: markerGlow 4s ease-in-out 1s infinite;
}

@keyframes markerGlow {
    0%, 100% { box-shadow: 0 0 14px var(--c-glow-soft); }
    50%      { box-shadow: 0 0 22px var(--c-glow); }
}

/* Content blocks */

.node__content {
    max-width: var(--max-node-width);
    width: 90%;
    opacity: 0;
    transition: opacity 0.7s var(--ease-out-soft), transform 0.7s var(--ease-out-soft);
}

.node__content--left {
    grid-column: 1;
    justify-self: end;
    padding-right: 80px;
    text-align: right;
    transform: translateX(-30px);
}

.node__content--right {
    grid-column: 3;
    justify-self: start;
    padding-left: 80px;
    text-align: left;
    transform: translateX(30px);
}

.node.is-visible .node__content {
    opacity: 1;
    transform: translateX(0);
}

.node__meta {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 18px;
    font-family: var(--font-mono);
}

.node--left .node__meta { justify-content: flex-end; }
.node--right .node__meta { justify-content: flex-start; }

.node__number {
    font-family: var(--font-mono);
    font-size: 36px;
    font-weight: 500;
    color: var(--c-gold-champagne);
    letter-spacing: 0.02em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 18px rgba(212, 175, 55, 0.18);
}

.node__label {
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--c-gold-tarnished);
    opacity: 0.8;
    text-transform: uppercase;
}

.node__title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(28px, 3.4vw, 44px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--c-gold-antique);
    margin-bottom: 22px;
}

.node__body {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 17px;
    line-height: 1.75;
    color: var(--c-parchment);
    margin-bottom: 18px;
}

.node__byline {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--c-gold-tarnished);
    opacity: 0.6;
    text-transform: uppercase;
}

.node__pull {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 26px;
    line-height: 1.45;
    color: var(--c-gold-champagne);
    text-shadow: 0 0 20px rgba(201, 168, 76, 0.15);
    margin-top: 22px;
    border-top: 1px solid rgba(107, 84, 32, 0.4);
    padding-top: 22px;
}

/* =============================================================
   COLLAGE
   ============================================================= */

.node__collage {
    position: relative;
    width: 90%;
    max-width: 460px;
    aspect-ratio: 1 / 1.05;
    opacity: 0;
    transition: opacity 0.6s var(--ease-out-soft);
}

.node__collage--left {
    grid-column: 1;
    justify-self: end;
    padding-right: 80px;
}

.node__collage--right {
    grid-column: 3;
    justify-self: start;
    padding-left: 80px;
}

.node.is-visible .node__collage {
    opacity: 1;
}

.collage-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(140deg, var(--c-obsidian) 0%, var(--c-charcoal-velvet) 80%, #211d16 100%);
    border: 1px solid rgba(107, 84, 32, 0.35);
    box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.collage-bg::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        0deg,
        transparent 0px,
        transparent 11px,
        rgba(201, 168, 76, 0.03) 11px,
        rgba(201, 168, 76, 0.03) 12px
    );
}

/* Generic fragment animation */
.frag {
    position: absolute;
    opacity: 0;
    transform: scale(0.85) rotate(var(--rot, 0deg));
    transform-origin: center;
    transition: opacity 0.7s var(--ease-out-soft), transform 0.7s var(--ease-out-soft);
    mix-blend-mode: screen;
}

.node.is-visible .frag {
    opacity: 1;
    transform: scale(1) rotate(var(--rot, 0deg));
}

/* Stagger fragments */
.node.is-visible .frag:nth-child(2) { transition-delay: 0.10s; }
.node.is-visible .frag:nth-child(3) { transition-delay: 0.22s; }
.node.is-visible .frag:nth-child(4) { transition-delay: 0.34s; }
.node.is-visible .frag:nth-child(5) { transition-delay: 0.46s; }
.node.is-visible .frag:nth-child(6) { transition-delay: 0.58s; }
.node.is-visible .frag:nth-child(7) { transition-delay: 0.70s; }
.node.is-visible .frag:nth-child(8) { transition-delay: 0.82s; }

/* Fragment shapes */

.frag--circle {
    top: 20%;
    left: 12%;
    width: 38%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--c-gold-antique) 0%, var(--c-gold-tarnished) 50%, transparent 75%);
    opacity: 0;
}

.frag--circle.frag--gradient {
    background: radial-gradient(circle at 35% 35%, rgba(212, 175, 55, 0.55) 0%, rgba(154, 123, 47, 0.25) 60%, transparent 80%);
}

.frag--circle.frag--sm {
    width: 22%;
    top: 60%;
    left: 60%;
}

.frag--circle.frag--lg {
    width: 50%;
    top: 14%;
    left: 8%;
}

.frag--triangle {
    top: 14%;
    right: 10%;
    width: 32%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.55), rgba(201, 168, 76, 0.15));
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.frag--triangle.frag--alt {
    background: linear-gradient(45deg, rgba(212, 175, 55, 0.35), transparent);
    width: 28%;
    top: 50%;
    right: 6%;
}

.frag--polygon {
    top: 48%;
    left: 28%;
    width: 38%;
    height: 26%;
    background: linear-gradient(120deg, rgba(154, 123, 47, 0.45) 0%, rgba(28, 26, 23, 0.3) 60%, rgba(212, 175, 55, 0.4) 100%);
    clip-path: polygon(0% 20%, 75% 0%, 100% 60%, 60% 100%, 10% 90%);
    border: 1px solid rgba(201, 168, 76, 0.3);
}

.frag--polygon.frag--alt {
    top: 12%;
    left: 50%;
    width: 42%;
    height: 38%;
    background: linear-gradient(160deg, rgba(212, 175, 55, 0.3) 0%, transparent 70%);
    clip-path: polygon(20% 0%, 100% 18%, 90% 80%, 0% 100%);
}

.frag--polygon.frag--lg {
    top: 8%;
    right: 4%;
    width: 50%;
    height: 32%;
    background: linear-gradient(160deg, rgba(184, 134, 11, 0.4) 0%, rgba(28, 26, 23, 0.6) 90%);
    clip-path: polygon(8% 8%, 100% 0%, 92% 100%, 0% 88%);
}

.frag--polygon.frag--cross-spine {
    top: 30%;
    left: -12%;
    width: 60%;
    height: 32%;
    background: linear-gradient(90deg, transparent 0%, rgba(201, 168, 76, 0.45) 30%, rgba(154, 123, 47, 0.2) 100%);
    clip-path: polygon(0% 30%, 100% 0%, 100% 100%, 0% 70%);
    z-index: 5;
}

.frag--block {
    bottom: 12%;
    right: 14%;
    width: 28%;
    height: 14%;
    background: var(--c-gold-antique);
    opacity: 0;
}

.frag--block.frag--gold {
    background: linear-gradient(90deg, var(--c-gold-champagne), var(--c-gold-tarnished));
    height: 6%;
    width: 38%;
    bottom: 18%;
    left: 12%;
}

.frag--block.frag--cross-spine {
    width: 52%;
    height: 4%;
    bottom: 30%;
    right: -8%;
    background: linear-gradient(90deg, transparent 0%, var(--c-gold-antique) 60%, transparent 100%);
    z-index: 5;
}

.frag--numeral {
    position: absolute;
    bottom: 6%;
    right: 8%;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 84px;
    line-height: 1;
    color: rgba(201, 168, 76, 0.18);
    letter-spacing: -0.04em;
    mix-blend-mode: screen;
    user-select: none;
}

.frag--numeral--small {
    font-size: 56px;
    bottom: 10%;
    right: 14%;
    color: rgba(212, 175, 55, 0.22);
}

.frag--numeral--alt {
    font-size: 96px;
    top: 8%;
    left: 8%;
    color: rgba(154, 123, 47, 0.22);
}

.frag--rule {
    position: absolute;
    top: 50%;
    left: -8%;
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-gold-antique), transparent);
    mix-blend-mode: normal;
}

.frag--rule.frag--rule--horiz {
    top: 70%;
    left: 10%;
    width: 80%;
}

/* Coordinate labels */
.coord-label {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--c-gold-antique);
    opacity: 0.3;
    text-transform: uppercase;
    z-index: 6;
}

.coord-label--top {
    top: 6%;
    left: 6%;
}

.coord-label--bottom {
    bottom: 6%;
    right: 6%;
}

/* Gauge */

.gauge {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 38%;
    aspect-ratio: 1;
    transform: translate(-50%, -50%) rotate(-90deg);
    z-index: 4;
    opacity: 0;
    transition: opacity 0.6s var(--ease-out-soft) 0.4s;
}

.node.is-visible .gauge {
    opacity: 1;
}

.gauge--small {
    width: 30%;
    top: 30%;
    left: 65%;
}

.gauge__track {
    fill: none;
    stroke: rgba(107, 84, 32, 0.4);
    stroke-width: 2;
}

.gauge__arc {
    fill: none;
    stroke: var(--c-gold-champagne);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 264;
    stroke-dashoffset: 264;
    transition: stroke-dashoffset 1.6s var(--ease-out-soft) 0.5s;
    filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.4));
}

.gauge__value {
    fill: var(--c-gold-champagne);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.05em;
    transform: rotate(90deg);
    transform-origin: 50px 50px;
}

.gauge__suffix {
    fill: var(--c-gold-tarnished);
    font-family: var(--font-mono);
    font-size: 7px;
    letter-spacing: 0.2em;
    transform: rotate(90deg);
    transform-origin: 50px 50px;
    opacity: 0.7;
}

/* Orbital diagram */
.orbital {
    position: absolute;
    bottom: 12%;
    left: 8%;
    width: 38%;
    aspect-ratio: 1;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.7s var(--ease-out-soft) 0.5s;
}

.node.is-visible .orbital { opacity: 0.9; }

.orbital__ring {
    fill: none;
    stroke: var(--c-gold-antique);
    stroke-width: 1;
    opacity: 0.6;
}

.orbital__ring--1 { transform: rotate(20deg); transform-origin: center; }
.orbital__ring--2 { transform: rotate(-15deg); transform-origin: center; opacity: 0.45; }

.orbital__core {
    fill: var(--c-gold-champagne);
    filter: drop-shadow(0 0 4px var(--c-glow));
}

/* =============================================================
   MAJOR NODE / CHAPTER BREAK
   ============================================================= */

.section--major {
    flex-direction: column;
    text-align: center;
    gap: 28px;
    background: linear-gradient(180deg, transparent 0%, var(--c-charcoal-velvet) 30%, var(--c-charcoal-velvet) 70%, transparent 100%);
}

.major-node__spine-thicken {
    position: absolute;
    left: 50%;
    top: 30%;
    width: 4px;
    height: 40%;
    background: linear-gradient(180deg, transparent, var(--c-gold-champagne), transparent);
    transform: translateX(-50%) scaleY(0);
    transform-origin: center;
    transition: transform 0.9s var(--ease-out-soft);
    box-shadow: 0 0 24px var(--c-glow);
    z-index: 3;
}

.section--major.is-visible .major-node__spine-thicken {
    transform: translateX(-50%) scaleY(1);
    animation: spinePulse 4s ease-in-out 1s infinite;
}

.major-node__marker {
    position: relative;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--c-gold-champagne);
    border: 1px solid var(--c-gold-antique);
    z-index: 4;
    opacity: 0;
    transform: scale(0);
    transition: transform 0.6s var(--ease-out-soft) 0.4s, opacity 0.6s ease 0.4s;
    box-shadow: 0 0 24px var(--c-glow);
}

.section--major.is-visible .major-node__marker {
    opacity: 1;
    transform: scale(1);
}

.major-node__title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: clamp(36px, 5vw, 64px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--c-gold-antique);
    max-width: 900px;
    padding: 0 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.9s var(--ease-out-soft) 0.5s, transform 0.9s var(--ease-out-soft) 0.5s;
}

.major-node__title em {
    font-style: italic;
    color: var(--c-gold-champagne);
    font-weight: 400;
}

.section--major.is-visible .major-node__title {
    opacity: 1;
    transform: translateY(0);
}

.major-node__caption {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--c-gold-tarnished);
    opacity: 0;
    transition: opacity 0.7s ease 0.9s;
    text-transform: uppercase;
}

.section--major.is-visible .major-node__caption {
    opacity: 0.7;
}

/* =============================================================
   TERMINAL SECTION
   ============================================================= */

.section--terminal {
    flex-direction: column;
    gap: 28px;
    text-align: center;
    padding-bottom: 220px;
}

.terminal-marker {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1.5px solid var(--c-gold-antique);
    background: transparent;
    box-shadow: 0 0 24px var(--c-glow);
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.8s ease 0.3s, transform 0.8s var(--ease-out-soft) 0.3s;
}

.section--terminal.is-visible .terminal-marker {
    opacity: 1;
    transform: scale(1);
    animation: markerGlow 5s ease-in-out infinite;
}

.terminal-tagline {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 22px;
    color: var(--c-gold-champagne);
    text-shadow: 0 0 20px rgba(201, 168, 76, 0.2);
    max-width: 620px;
    line-height: 1.5;
    padding: 0 40px;
    opacity: 0;
    transition: opacity 0.9s ease 0.7s;
}

.section--terminal.is-visible .terminal-tagline { opacity: 1; }

.terminal-meta {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--c-gold-tarnished);
    opacity: 0;
    transition: opacity 0.9s ease 1.1s;
    text-transform: uppercase;
}

.section--terminal.is-visible .terminal-meta { opacity: 0.7; }

.terminal-domain {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--c-gold-antique);
    opacity: 0;
    margin-top: 32px;
    transition: opacity 1.1s ease 1.5s;
    text-transform: lowercase;
}

.section--terminal.is-visible .terminal-domain { opacity: 0.5; }

/* Spine fade-out at terminal */
.section--terminal::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 2px;
    height: 200px;
    background: linear-gradient(to bottom, var(--c-gold-antique), transparent);
    transform: translateX(-50%);
    z-index: 2;
}

/* =============================================================
   RESPONSIVE
   ============================================================= */

@media (max-width: 900px) {
    :root {
        --max-node-width: 90vw;
    }

    .corner-bracket { width: 28px; height: 28px; }
    .corner-bracket--tl, .corner-bracket--tr { top: 16px; }
    .corner-bracket--bl, .corner-bracket--br { bottom: 16px; }
    .corner-bracket--tl, .corner-bracket--bl { left: 16px; }
    .corner-bracket--tr, .corner-bracket--br { right: 16px; }

    .domain-tag { left: 56px; }
    .mission-clock { right: 56px; }

    .micro-nav { right: 14px; height: 160px; }

    .node {
        grid-template-columns: 1fr;
        padding: 100px 24px;
        row-gap: 40px;
    }

    .node__bridge { display: none; }
    .node__marker {
        position: relative;
        top: 0;
        left: 0;
        transform: scale(0) translate(0, 0);
        margin: 0 auto;
    }
    .node.is-visible .node__marker {
        transform: scale(1) translate(0, 0);
    }

    .node__content,
    .node__collage {
        grid-column: 1 !important;
        justify-self: center !important;
        padding: 0 !important;
        text-align: center !important;
        transform: translateX(0) !important;
        max-width: 90vw;
    }

    .node__meta { justify-content: center !important; }

    .node__collage { aspect-ratio: 1 / 1; max-width: 380px; width: 86vw; }

    .node__title { font-size: 30px; }

    .major-node__title { padding: 0 24px; font-size: 36px; }
}

/* =============================================================
   REDUCED MOTION
   ============================================================= */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}