/* ==========================================================================
   bability.pro — Cinematic Probability
   Palette:
     #C4623A Kiln Terracotta       (primary)
     #8B4513 Burnt Sienna Deep     (secondary)
     #F5EBD8 Parchment Cream       (background)
     #6B3A2A Fired Clay            (dark surface)
     #D4A04A Desert Gold           (accent warm)
     #1C1410 Lamp Black            (text primary)
     #5C4F42 Smoke                 (text secondary)
     #E8943A Signal Amber          (chart highlight)
   Type:
     Cormorant Garamond — display
     Lora              — body
     IBM Plex Sans     — labels / data UI
   ========================================================================== */

:root {
    --c-terracotta: #C4623A;
    --c-sienna:     #8B4513;
    --c-cream:      #F5EBD8;
    --c-clay:       #6B3A2A;
    --c-gold:       #D4A04A;
    --c-lamp:       #1C1410;
    --c-smoke:      #5C4F42;
    --c-amber:      #E8943A;

    --font-display: 'Cormorant Garamond', 'Times New Roman', Georgia, serif;
    --font-body:    'Lora', Georgia, serif;
    --font-ui:      'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --ease-draw: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-out:  cubic-bezier(0.22, 1, 0.36, 1);

    --baseline: 48px;
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
    font-size: 16px;
    background-color: var(--c-cream);
    color: var(--c-lamp);
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: 1.1875rem; /* 19px */
    line-height: 1.8;
    background-color: var(--c-cream);
    color: var(--c-lamp);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    position: relative;
}

img, svg { display: block; }

em, i { font-style: italic; }

.svg-defs {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ==========================================================================
   Film grain overlay (site-wide)
   ========================================================================== */
.film-grain {
    position: fixed;
    inset: 0;
    z-index: 100;
    pointer-events: none;
    opacity: 0.045;
    mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='7'/><feColorMatrix values='0 0 0 0 0.11 0 0 0 0 0.08 0 0 0 0 0.06 0 0 0 0.9 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
    background-size: 220px 220px;
    animation: grainShift 1.6s steps(6) infinite;
}

@keyframes grainShift {
    0%   { transform: translate(0, 0); }
    16%  { transform: translate(-6px, 4px); }
    32%  { transform: translate(4px, -5px); }
    48%  { transform: translate(-3px, 7px); }
    64%  { transform: translate(5px, 3px); }
    80%  { transform: translate(-5px, -3px); }
    100% { transform: translate(0, 0); }
}

/* ==========================================================================
   Side rail registration marks
   ========================================================================== */
.side-rail {
    position: fixed;
    left: 18px;
    top: 0;
    height: 100vh;
    width: 24px;
    z-index: 50;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 14vh 0;
    color: var(--c-smoke);
    opacity: 0.3;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 0;
    line-height: 1;
}

.side-rail__mark {
    text-align: center;
    transform: translateX(0);
    transition: transform 0.9s var(--ease-out);
}

/* ==========================================================================
   Top bar
   ========================================================================== */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    padding: 18px 36px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    mix-blend-mode: multiply;
    pointer-events: none;
    font-family: var(--font-ui);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--c-lamp);
}

.top-bar__brand .top-bar__mark {
    color: var(--c-lamp);
}
.top-bar__dot { color: var(--c-terracotta); }

.top-bar__nav {
    display: flex;
    gap: 10px;
    color: var(--c-smoke);
}
.top-bar__sep { opacity: 0.6; }

/* ==========================================================================
   Scene base
   ========================================================================== */
.film { position: relative; }

.scene {
    position: relative;
    width: 100%;
    min-height: 100vh;
    scroll-snap-align: start;
    overflow: hidden;
    isolation: isolate;
}

.scene__parallax-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    will-change: transform;
}

.scene__grain {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.06;
    mix-blend-mode: multiply;
    background-image: radial-gradient(circle at 12% 20%, rgba(139,69,19,0.18), transparent 30%),
                      radial-gradient(circle at 88% 70%, rgba(212,160,74,0.16), transparent 32%);
}

.scene__content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: 12vh 6vw 14vh;
}

/* Shared scene type */
.scene__eyebrow {
    display: inline-block;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-terracotta);
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(196, 98, 58, 0.4);
    margin-bottom: 28px;
}

.scene__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(2.75rem, 7vw, 6.25rem);
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--c-lamp);
    margin-bottom: 1.5rem;
}

.scene__title em {
    color: var(--c-terracotta);
    font-style: italic;
}

.scene__lede {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.1875rem;
    line-height: 1.75;
    color: var(--c-smoke);
    max-width: 560px;
}

/* ==========================================================================
   Border animate (reusable)
   SVG rect overlay with stroke-dashoffset, clockwise staggered
   ========================================================================== */
.border-animate {
    position: relative;
}

.border-animate__svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.border-animate__rect {
    fill: none;
    stroke: var(--c-smoke);
    stroke-width: 1;
    /* Perimeter of 99x99 = 396; slight pad */
    stroke-dasharray: 99 99 99 99;
    stroke-dashoffset: 396;
    transition: stroke 1.1s var(--ease-draw);
}

.border-animate.is-drawn .border-animate__rect {
    animation: borderDraw 2.6s var(--ease-draw) forwards;
    stroke: var(--c-terracotta);
}

@keyframes borderDraw {
    0%   { stroke-dashoffset: 396; stroke: var(--c-smoke); }
    25%  { stroke-dashoffset: 297; }
    50%  { stroke-dashoffset: 198; }
    75%  { stroke-dashoffset:  99; }
    100% { stroke-dashoffset:   0; stroke: var(--c-terracotta); }
}

/* ==========================================================================
   SCENE 1 — Opening
   ========================================================================== */
.scene--opening {
    background:
        radial-gradient(ellipse at 80% 15%, rgba(212,160,74,0.25) 0%, transparent 55%),
        linear-gradient(180deg, #F5EBD8 0%, #F2E0C4 100%);
    min-height: 100vh;
}

.viz-bellcurve-landscape {
    position: absolute;
    bottom: 0;
    left: -5vw;
    width: 110vw;
    height: 65vh;
    filter: drop-shadow(0 -20px 60px rgba(139,69,19,0.12));
}

.bellcurve {
    transform-origin: center bottom;
    animation: bellSway 12s ease-in-out infinite;
}
.bellcurve--2 { animation-delay: -3s; animation-duration: 15s; }
.bellcurve--3 { animation-delay: -7s; animation-duration: 18s; }

@keyframes bellSway {
    0%, 100% { transform: scaleY(1) translateX(0); }
    50%      { transform: scaleY(1.02) translateX(10px); }
}

.dust-field {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.dust-field__particle {
    position: absolute;
    background: var(--c-gold);
    border-radius: 50%;
    opacity: 0;
    filter: blur(0.4px);
    animation-name: dustRise;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
}

@keyframes dustRise {
    0%   { transform: translateY(0) translateX(0); opacity: 0; }
    10%  { opacity: 0.85; }
    90%  { opacity: 0.6; }
    100% { transform: translateY(-90vh) translateX(var(--dx, 20px)); opacity: 0; }
}

.opening__content {
    min-height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto auto;
    gap: 2rem;
    padding-top: 16vh;
    padding-bottom: 10vh;
}

.opening__meta {
    display: flex;
    align-items: baseline;
    gap: 18px;
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-sienna);
    grid-column: 1;
}
.opening__meta-num {
    font-size: 22px;
    color: var(--c-terracotta);
    letter-spacing: 0;
}

/* Asymmetric — positioned in lower-left third */
.opening__title {
    align-self: end;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(3.2rem, 15vw, 16rem);
    line-height: 0.88;
    letter-spacing: -0.045em;
    color: var(--c-terracotta);
    margin-left: -0.04em;
    max-width: 92%;
    text-shadow: 0 1px 0 rgba(107, 58, 42, 0.12);
}

.opening__title .split-char {
    display: inline-block;
    transform: translateY(30px);
    opacity: 0;
    transition: transform 0.9s var(--ease-draw), opacity 0.9s var(--ease-draw);
}
.opening__title.is-shown .split-char {
    transform: translateY(0);
    opacity: 1;
}

.opening__beneath {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 24px 40px;
}

.opening__brand {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.75rem, 3.2vw, 2.8rem);
    letter-spacing: -0.02em;
    color: var(--c-lamp);
    line-height: 1;
}
.opening__brand-b { color: var(--c-terracotta); font-style: italic; }
.opening__brand-rest { color: var(--c-lamp); }
.opening__brand-dot {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 0.55em;
    letter-spacing: 0.08em;
    color: var(--c-sienna);
    margin-left: 0.15em;
}

.opening__tagline {
    display: flex;
    gap: 14px;
    align-items: center;
    font-family: var(--font-ui);
    font-weight: 400;
    font-size: 13px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-sienna);
    opacity: 0;
    animation: fadeInUp 1.2s var(--ease-out) 1.4s forwards;
}
.tagline__sep { color: var(--c-gold); font-weight: 700; }

.opening__scroll-cue {
    justify-self: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeInUp 1s var(--ease-out) 2.1s forwards;
}
.scroll-cue__text {
    font-family: var(--font-ui);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--c-terracotta);
}
.scroll-cue__line {
    width: 1px;
    height: 44px;
    background: linear-gradient(to bottom, var(--c-terracotta) 0%, transparent 100%);
    animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50%      { opacity: 1;   transform: scaleY(1.4); }
}

/* ==========================================================================
   SCENE 2 — Data Theater
   ========================================================================== */
.scene--theater {
    background: linear-gradient(180deg, #F2E0C4 0%, #F5EBD8 45%, #EEDBB6 100%);
    min-height: 100vh;
    padding: 0;
}

.sprocket-rail {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 2.5vw;
    width: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    z-index: 4;
    pointer-events: none;
}
.sprocket {
    width: 18px;
    height: 10px;
    border-radius: 2px;
    background: var(--c-lamp);
    opacity: 0.82;
}

.theater__content {
    padding: 14vh 8vw 14vh 10vw;
}

.theater__header {
    margin-bottom: 72px;
    max-width: 740px;
}

.theater__columns {
    display: grid;
    grid-template-columns: 35fr 40fr 25fr;
    gap: 2.2rem;
    align-items: start;
}

.theater__col {
    min-height: 560px;
    will-change: transform;
}
.theater__col--a { margin-top: 0; }
.theater__col--b { margin-top: 40px; }
.theater__col--c { margin-top: 80px; }

.panel {
    position: relative;
    background: rgba(255, 250, 240, 0.55);
    padding: 32px 28px 36px;
    color: var(--c-lamp);
    z-index: 1;
    height: 100%;
    min-height: 540px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    backdrop-filter: blur(0.5px);
}

.panel__index {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.28em;
    color: var(--c-terracotta);
}

.panel__title {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.75rem, 2.6vw, 2.4rem);
    line-height: 1;
    letter-spacing: -0.025em;
    color: var(--c-lamp);
}

.panel__desc {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 15px;
    line-height: 1.65;
    color: var(--c-smoke);
    margin-bottom: 6px;
}

/* Bar chart */
.bar-chart { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.bar-row { display: grid; grid-template-columns: 80px 1fr; align-items: center; gap: 12px; }
.bar-label {
    font-family: var(--font-ui);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--c-sienna);
}
.bar {
    position: relative;
    height: 18px;
    background: rgba(139,69,19,0.12);
    overflow: hidden;
}
.bar__fill {
    position: absolute;
    inset: 0;
    width: 0;
    background: linear-gradient(90deg, var(--c-terracotta) 0%, var(--c-amber) 100%);
    transition: width 0.9s var(--ease-out) 0.35s;
}
.bar__val {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 11px;
    color: var(--c-cream);
    opacity: 0;
    transition: opacity 0.4s ease 0.9s;
}
.is-drawn .bar__val { opacity: 0.9; }

/* Mini tree */
.mini-tree {
    width: 100%;
    height: auto;
    margin-top: 10px;
    flex: 1;
}
.tree-branch {
    stroke: var(--c-sienna);
    stroke-width: 1.5;
    stroke-dasharray: 120;
    stroke-dashoffset: 120;
    transition: stroke-dashoffset 0.7s var(--ease-draw);
}
.is-drawn .tree-branch.tb-0  { transition-delay: 0.20s; stroke-dashoffset: 0; stroke: var(--c-terracotta); stroke-width: 2; }
.is-drawn .tree-branch.tb-1  { transition-delay: 0.45s; stroke-dashoffset: 0; stroke: var(--c-sienna); }
.is-drawn .tree-branch.tb-2  { transition-delay: 0.45s; stroke-dashoffset: 0; stroke: var(--c-sienna); }
.is-drawn .tree-branch.tb-3  { transition-delay: 0.70s; stroke-dashoffset: 0; }
.is-drawn .tree-branch.tb-4  { transition-delay: 0.72s; stroke-dashoffset: 0; }
.is-drawn .tree-branch.tb-5  { transition-delay: 0.74s; stroke-dashoffset: 0; }
.is-drawn .tree-branch.tb-6  { transition-delay: 0.76s; stroke-dashoffset: 0; }
.is-drawn .tree-branch.tb-7  { transition-delay: 0.98s; stroke-dashoffset: 0; stroke: var(--c-terracotta); }
.is-drawn .tree-branch.tb-8  { transition-delay: 1.00s; stroke-dashoffset: 0; stroke: var(--c-terracotta); }
.is-drawn .tree-branch.tb-9  { transition-delay: 1.02s; stroke-dashoffset: 0; stroke: var(--c-terracotta); }
.is-drawn .tree-branch.tb-10 { transition-delay: 1.04s; stroke-dashoffset: 0; stroke: var(--c-terracotta); }

.tree-node {
    fill: var(--c-gold);
    opacity: 0;
    transform: scale(0);
    transform-box: fill-box;
    transform-origin: center;
    transition: opacity 0.4s ease, transform 0.4s var(--ease-out);
}
.is-drawn .tree-node { opacity: 0.9; transform: scale(1); }
.is-drawn .tree-node.tn-root { fill: var(--c-terracotta); animation: pulseNode 2.6s ease-in-out 1.2s infinite; }
.is-drawn .tree-node.tn-leaf { fill: var(--c-amber); }

@keyframes pulseNode {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50%      { transform: scale(1.5); opacity: 1; }
}

/* LLN chart */
.lln-chart { width: 100%; height: auto; margin-top: 10px; flex: 1; max-height: 200px; }
.lln-path {
    stroke-dasharray: 700;
    stroke-dashoffset: 700;
    transition: stroke-dashoffset 2.1s var(--ease-draw) 0.4s;
}
.is-drawn .lln-path { stroke-dashoffset: 0; }

/* ==========================================================================
   SCENE 3 — Narrative Strip (letterbox marquee)
   ========================================================================== */
.scene--narrative {
    background: var(--c-clay);
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    padding: 0;
    overflow: hidden;
}

.letterbox {
    position: absolute;
    left: 0;
    width: 100%;
    background-color: var(--c-lamp);
    z-index: 3;
    pointer-events: none;
}
.letterbox--top    { top: 0;    height: 12vh; }
.letterbox--bottom { bottom: 0; height: 12vh; }

.narrative__window {
    position: relative;
    height: 36vh;
    width: 100%;
    overflow: hidden;
    z-index: 2;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, var(--c-clay) 0%, #4E2A1F 100%);
}

.narrative__marquee {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    transform: translateX(0);
    will-change: transform;
    padding-left: 25vw;
    font-family: var(--font-display);
    font-weight: 500;
    font-style: italic;
    font-size: clamp(2.4rem, 6vw, 5.5rem);
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--c-cream);
}

.narrative__line em {
    color: var(--c-gold);
    font-style: italic;
}

.narrative__pip {
    display: inline-block;
    margin: 0 36px;
    color: var(--c-terracotta);
    font-size: 0.55em;
    transform: translateY(-0.2em);
}

.narrative__credit {
    position: absolute;
    right: 36px;
    bottom: calc(12vh + 14px);
    z-index: 4;
    font-family: var(--font-ui);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--c-gold);
    opacity: 0.7;
}

/* ==========================================================================
   SCENE 4 — Visualization Canvas (dark terracotta)
   ========================================================================== */
.scene--canvas {
    background: radial-gradient(ellipse at 70% 40%, #7a4331 0%, var(--c-clay) 45%, #4E2A1F 100%);
    color: var(--c-cream);
    min-height: 110vh;
}

.scene--canvas .viz-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.9;
}

.canvas__content {
    padding: 18vh 6vw 16vh;
}

.canvas__eyebrow {
    color: var(--c-gold);
    border-bottom-color: rgba(212,160,74,0.35);
}
.canvas__title {
    color: var(--c-cream);
    max-width: 920px;
}
.canvas__title em { color: var(--c-gold); }
.canvas__lede { color: #EED9B6; max-width: 620px; }

.canvas__grid {
    margin-top: 72px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
        "a b"
        "c c";
    gap: 28px;
}

.viz-frame {
    position: relative;
    padding: 18px 18px 20px;
    background: rgba(28,20,16,0.55);
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.viz-frame:nth-child(1) { grid-area: a; }
.viz-frame:nth-child(2) { grid-area: b; }
.viz-frame--wide        { grid-area: c; min-height: 320px; }

.viz-frame .border-animate__rect {
    stroke: rgba(245,235,216,0.25);
}
.viz-frame.is-drawn .border-animate__rect {
    stroke: var(--c-gold);
    animation-fill-mode: forwards;
}

.viz-frame__svg {
    width: 100%;
    height: auto;
    flex: 1;
}

.viz-frame__cap {
    font-family: var(--font-ui);
    font-weight: 400;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #E9D4A9;
    margin-top: 10px;
}
.viz-frame__cap span {
    color: var(--c-gold);
    margin-right: 10px;
    font-weight: 500;
}

/* ==========================================================================
   SCENE 5 — Monte Carlo
   ========================================================================== */
.scene--montecarlo {
    background:
        radial-gradient(ellipse at 25% 80%, rgba(212,160,74,0.22) 0%, transparent 60%),
        linear-gradient(180deg, #F5EBD8 0%, #F2E0C4 100%);
    min-height: 110vh;
    color: var(--c-lamp);
}

.scene--montecarlo .viz-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.montecarlo__content {
    padding: 18vh 6vw 16vh;
    display: grid;
    grid-template-columns: minmax(280px, 520px) 1fr;
    gap: 80px;
    align-items: start;
}

.montecarlo__header { max-width: 520px; }

.mc-meters {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 48px;
    align-self: end;
    padding-top: 24vh;
}

.mc-meter {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-left: 1px solid rgba(196,98,58,0.35);
    padding-left: 18px;
}

.mc-meter__label {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--c-sienna);
}

.mc-meter__value {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.8rem, 3.4vw, 2.75rem);
    letter-spacing: -0.02em;
    color: var(--c-terracotta);
    font-variant-numeric: tabular-nums;
    line-height: 1.05;
}

/* ==========================================================================
   SCENE 6 — Closing Credits
   ========================================================================== */
.scene--credits {
    background: var(--c-clay);
    min-height: 130vh;
    overflow: hidden;
}

.credits__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--c-clay) 0%, #4E2A1F 40%, var(--c-clay) 70%, #A56A48 100%);
    transition: opacity 2s ease;
    z-index: 0;
}
.scene--credits.is-rolling .credits__shade {
    background: linear-gradient(180deg, var(--c-clay) 0%, #7a4331 35%, #C89D68 70%, var(--c-cream) 100%);
}

.credits__content {
    position: relative;
    z-index: 2;
    max-width: 760px;
    padding: 16vh 6vw 20vh;
    display: flex;
    justify-content: center;
    text-align: center;
}

.credits__scroll {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    color: var(--c-cream);
    transform: translateY(0);
    will-change: transform;
}

.credits__cardinal {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 12px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--c-gold);
}
.credits__cardinal--end { color: var(--c-smoke); margin-top: 2rem; }

.credits__headline {
    font-family: var(--font-display);
    font-weight: 700;
    font-style: italic;
    font-size: clamp(2.2rem, 5.5vw, 4.5rem);
    letter-spacing: -0.03em;
    line-height: 1.08;
    color: var(--c-cream);
}

.credits__sub {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 1.15rem;
    color: #E9D4A9;
    opacity: 0.85;
    max-width: 520px;
}

.credits__block {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 1.5rem;
}

.credits__role {
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 11px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--c-gold);
    opacity: 0.7;
    margin-bottom: 4px;
}

.credits__name {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 1.4rem;
    letter-spacing: -0.01em;
    color: var(--c-cream);
    line-height: 1.4;
}

.credits__name--mark {
    font-size: 2rem;
    font-weight: 600;
    color: var(--c-gold);
}
.credits__dot { color: var(--c-terracotta); }

/* ==========================================================================
   Split character reveal
   ========================================================================== */
.split-char { display: inline-block; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1100px) {
    .theater__columns {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }
    .theater__col--c { grid-column: span 2; margin-top: 40px; }
    .montecarlo__content { grid-template-columns: 1fr; gap: 40px; }
    .mc-meters { padding-top: 2rem; }
}

@media (max-width: 780px) {
    .top-bar { padding: 14px 20px; font-size: 11px; }
    .side-rail { display: none; }

    .scene__content { padding: 12vh 5vw 12vh; }
    .theater__content { padding: 12vh 5vw 12vh 5vw; }
    .sprocket-rail { display: none; }

    .theater__columns {
        grid-template-columns: 1fr;
    }
    .theater__col { margin-top: 0 !important; min-height: 0; }

    .opening__title { font-size: clamp(4rem, 22vw, 8rem); }

    .canvas__grid { grid-template-columns: 1fr; grid-template-areas: "a" "b" "c"; }

    .mc-meters { grid-template-columns: 1fr 1fr; gap: 24px; }

    .narrative__marquee { font-size: clamp(1.8rem, 9vw, 3rem); }
    .narrative__pip { margin: 0 18px; }
}

@media (max-width: 480px) {
    .opening__beneath { flex-direction: column; align-items: flex-start; gap: 14px; }
    .opening__tagline { font-size: 11px; letter-spacing: 0.22em; }
    .mc-meters { grid-template-columns: 1fr; }
    .credits__name { font-size: 1.1rem; }
    .credits__name--mark { font-size: 1.6rem; }
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .film-grain { display: none; }
    .bellcurve { animation: none !important; }
}