/* Cinemorph site — "Aperture" palette.
   Warm cream paper · deep ink · vermillion + chrome-yellow accents.
   The hero is a 30-second cinematic where 16 persistent cells morph
   through 8 radically different compositions. JS drives per-cell positions;
   CSS handles only the FLIP-style transition timing. */

:root {
  --paper:        #F4EFE3;
  --paper-deep:   #ECE4CF;
  --paper-soft:   #FAF7EE;
  --ink:          #14110D;
  --ink-soft:     #2B2620;
  --muted:        #6B655C;
  --rule:         #DCD3BD;

  --vermillion:   #FF4D2E;
  --vermillion-deep: #D03012;
  --teal:         #0F4C81;
  --chrome:       #FFC93C;
  --moss:         #1F5C3A;

  --font-display: "Fraunces", "Cooper Hewitt", "Source Serif Pro", Georgia, serif;
  --font-body:    "Inter", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 0 rgba(20,17,13,0.04), 0 1px 2px rgba(20,17,13,0.06);
  --shadow-md: 0 8px 22px -10px rgba(20,17,13,0.18);
  --shadow-lg: 0 30px 60px -28px rgba(20,17,13,0.30), 0 6px 18px -10px rgba(255,77,46,0.18);

  --max: 1180px;
  --pad: clamp(1.25rem, 4vw, 2rem);

  /* The whole site shares one transition curve so the hero feels native. */
  --morph: cubic-bezier(0.32, 0.72, 0.34, 1);
  --d-morph: 0.85s;
}

* { box-sizing: border-box; }
*::selection { background: var(--vermillion); color: var(--paper); }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.55;
  background:
    radial-gradient(60vw 60vh at 8% -8%, rgba(255,201,60,0.18), transparent 60%),
    radial-gradient(70vw 50vh at 110% 10%, rgba(255,77,46,0.10), transparent 60%),
    var(--paper);
}

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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--vermillion-deep); }

code, pre {
  font-family: var(--font-mono);
  font-size: 0.86em;
}

code {
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  padding: 0.08em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--ink);
}

pre {
  background: var(--ink);
  color: var(--paper-soft);
  border: 1px solid var(--ink);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 0;
  line-height: 1.5;
}
pre code { background: transparent; border: 0; padding: 0; color: inherit; }

/* paper grain overlay */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  mix-blend-mode: multiply;
  background-image:
    radial-gradient(1px 1px at 25% 30%, rgba(20,17,13,0.06), transparent 60%),
    radial-gradient(1px 1px at 75% 60%, rgba(20,17,13,0.05), transparent 60%),
    radial-gradient(1px 1px at 50% 80%, rgba(20,17,13,0.04), transparent 60%);
  background-size: 4px 4px, 5px 5px, 7px 7px;
}

main { position: relative; z-index: 1; }

/* NAV */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem var(--pad);
  background: color-mix(in oklab, var(--paper) 80%, transparent);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--rule);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.015em;
}
.brand svg { color: var(--vermillion); }
.nav nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.nav nav a {
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.18s, background 0.18s;
}
.nav nav a:hover { background: var(--paper-deep); color: var(--ink); }
.nav nav a.primary {
  border: 1px solid var(--ink);
  color: var(--ink);
  margin-left: 0.4rem;
}
.nav nav a.primary:hover { background: var(--ink); color: var(--paper); }
@media (max-width: 720px) {
  .nav nav a:not(.primary) { display: none; }
}

/* ===========================================================
   HERO TITLE
   =========================================================== */
.hero-title {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem var(--pad) 1rem;
  text-align: center;
}
.hero-title h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6.5vw, 5rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 1.25rem;
}
.hero-title h1 em {
  font-style: italic;
  color: transparent;
  background: linear-gradient(120deg, var(--ink) 30%, var(--vermillion-deep) 60%, var(--ink) 95%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: gradient-sweep 6s var(--morph) infinite alternate;
}
@keyframes gradient-sweep {
  from { background-position: 0% 50%; }
  to   { background-position: 100% 50%; }
}
.hero-title .lede {
  max-width: 60ch;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
}

/* ===========================================================
   THE BIG MORPH CANVAS
   16 persistent cells, 8 stages, no per-element animation.
   =========================================================== */

.film {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad) 1rem;
}

.canvas {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(70% 90% at 50% 50%, var(--paper-soft), var(--paper) 70%),
    var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  isolation: isolate;
  transition: background 1s ease;
  /* Enable container-query units (cqw/cqh) so cells can position
     themselves with transform: translate(N cqw, N cqh, 0) — that keeps
     all motion on the GPU compositor instead of triggering main-thread
     layout per frame. The aspect-ratio rule above gives this a defined
     block size for cqh to resolve against. */
  container-type: size;
}

/* Per-stage canvas tint shifts the mood from cool → warm → bold etc. */
.canvas[data-stage="0"] { background: radial-gradient(80% 80% at 50% 50%, var(--paper-soft), var(--paper) 70%); }
.canvas[data-stage="2"] { background: radial-gradient(80% 80% at 50% 50%, #FAF1E1, var(--paper) 70%); }
.canvas[data-stage="3"] { background: radial-gradient(120% 80% at 50% 50%, #FCF6E8, var(--paper) 70%); }
.canvas[data-stage="4"] { background: radial-gradient(70% 90% at 50% 50%, #F8F0DD, var(--paper) 70%); }
.canvas[data-stage="5"] { background: radial-gradient(70% 90% at 50% 60%, #F8E9DD, var(--paper) 70%); }
.canvas[data-stage="6"] { background: radial-gradient(80% 80% at 50% 50%, #1A1814, #14110D 80%); }
.canvas[data-stage="7"] { background: radial-gradient(60% 60% at 50% 50%, #FAF1E1, var(--paper) 70%); }

/* ambient bloom layers shift colour per stage */
.bloom-1, .bloom-2 {
  position: absolute;
  inset: -10%;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0;
  transition: opacity 1s ease, background 1s ease;
}
.bloom-1 { left: -20%; top: -20%; width: 60%; height: 60%; background: var(--vermillion); }
.bloom-2 { right: -20%; bottom: -20%; width: 60%; height: 60%; background: var(--chrome); }
.canvas[data-stage="2"] .bloom-1, .canvas[data-stage="2"] .bloom-2 { opacity: 0.18; }
.canvas[data-stage="3"] .bloom-1, .canvas[data-stage="3"] .bloom-2 { opacity: 0.10; }
.canvas[data-stage="5"] .bloom-1 { opacity: 0.20; }
.canvas[data-stage="6"] .bloom-1 { opacity: 0.4; background: var(--vermillion); }
.canvas[data-stage="6"] .bloom-2 { opacity: 0.25; background: var(--vermillion-deep); }

/* MORPH CELLS
   GPU-accelerated layout: each cell has a fixed 1cqw × 1cqh base size.
   All positioning and sizing is done through `transform` so animation
   stays on the compositor thread (no per-frame layout/paint).
     translate3d : position in cqw / cqh
     scale       : per-axis size multiplier (sx, sy in % of canvas dim)
     rotate      : per-cell rotation
   Result: all 16 cells animate at 60fps even on integrated GPUs. */
.m {
  position: absolute;
  left: 0;
  top: 0;
  width:  1cqw;
  height: 1cqh;
  transform:
    translate3d(var(--cx, 50cqw), var(--cy, 50cqh), 0)
    translate(-50%, -50%)
    rotate(var(--cr, 0deg))
    scale(var(--csx, 1), var(--csy, 1));
  background: var(--cbg, var(--paper-soft));
  border: 1px solid var(--cbd, var(--rule));
  border-radius: var(--crd, 6px);
  color: var(--ctx, var(--ink-soft));
  opacity: var(--co, 1);
  box-shadow: var(--csh, var(--shadow-sm));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.04em;
  overflow: hidden;
  /* Only transform/background/border-radius/opacity transition. Box-shadow
     and border-color are set per stage but not animated — saves paint cost
     across 16 elements. */
  transition:
    transform var(--d-morph) var(--morph),
    background var(--d-morph) var(--morph),
    border-radius var(--d-morph) var(--morph),
    color var(--d-morph) var(--morph),
    opacity 0.5s ease;
  will-change: transform, opacity;
  contain: layout paint;
  pointer-events: none;
}

/* Label is counter-scaled so it stays readable regardless of cell scale.
   The cell scales by (csx, csy); the label scales by (1/csx, 1/csy),
   netting to a constant visual size. Label scale shares the same
   transition timing as the cell, so they stay perfectly synced. */
.m > .lbl {
  display: inline-block;
  white-space: nowrap;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 1.6cqw;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: inherit;
  opacity: var(--clo, 0);
  transform: scale(calc(1 / var(--csx, 1)), calc(1 / var(--csy, 1)));
  transform-origin: center center;
  transition:
    transform var(--d-morph) var(--morph),
    opacity 0.4s ease;
  will-change: transform, opacity;
}

/* WORDMARK — its own persistent overlay element */
.ws {
  position: absolute;
  left: var(--wx, 50%);
  top:  var(--wy, 50%);
  width: auto;
  transform: translate(-50%, -50%) scale(var(--ws-scale, 1));
  display: inline-flex;
  align-items: center;
  gap: clamp(0.4rem, 1vw, 0.85rem);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--ink);
  opacity: var(--wo, 0);
  transition:
    left var(--d-morph) var(--morph),
    top  var(--d-morph) var(--morph),
    transform var(--d-morph) var(--morph),
    color 1s ease,
    opacity 0.6s ease,
    filter 0.45s ease;
  pointer-events: none;
  z-index: 10;
}
.ws-mark {
  width:  clamp(20px, 2vw, 36px);
  height: clamp(20px, 2vw, 36px);
  color: var(--vermillion);
  transition: color 1s ease, transform var(--d-morph) var(--morph);
}
.ws-text {
  font-size: var(--ws-text, clamp(1.4rem, 4vw, 3rem));
  background: linear-gradient(120deg, var(--ink) 30%, var(--vermillion-deep) 65%, var(--ink) 95%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transition: font-size var(--d-morph) var(--morph), background-position 1.6s ease;
}
/* Smear cut on the wordmark only — kept because it's a single element,
   so the GPU cost is trivial. Cells no longer participate in the smear
   blur because blurring 16 elements simultaneously was the dominant
   source of frame drops. */
.canvas.--smearing .ws { filter: blur(2px); }
.canvas .ws { transition:
  left var(--d-morph) var(--morph),
  top  var(--d-morph) var(--morph),
  transform var(--d-morph) var(--morph),
  color 1s ease,
  opacity 0.6s ease,
  filter 0.32s ease;
}

/* For the dark constellation stage, flip the wordmark colour to paper-soft. */
.canvas[data-stage="6"] .ws-mark { color: var(--vermillion); }
.canvas[data-stage="6"] .ws-text {
  background: linear-gradient(120deg, var(--paper-soft) 30%, var(--chrome) 65%, var(--paper-soft) 95%);
  -webkit-background-clip: text;
  background-clip: text;
}
.canvas[data-stage="6"] {
  --rule: rgba(255,255,255,0.12);
}

/* CAPTION */
.cap {
  position: absolute;
  left: 50%;
  bottom: 6%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(0.9rem, 1.7vw, 1.25rem);
  color: var(--ink-soft);
  letter-spacing: -0.01em;
  white-space: nowrap;
  z-index: 11;
  transition: color 0.6s ease, opacity 0.4s ease;
  text-shadow: 0 1px 0 rgba(255,255,255,0.6);
}
.cap strong {
  font-style: normal;
  font-weight: 700;
  color: var(--vermillion-deep);
}
.canvas[data-stage="6"] .cap {
  color: var(--paper-soft);
  text-shadow: 0 1px 0 rgba(0,0,0,0.5);
}
.canvas[data-stage="6"] .cap strong { color: var(--chrome); }

/* STAGE TAG (top-right corner) */
.stage-tag {
  position: absolute;
  top: 0.95rem;
  right: 1rem;
  z-index: 12;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: color-mix(in oklab, var(--paper) 70%, transparent);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 0.95vw, 0.7rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.6s ease, color 0.6s ease, border-color 0.6s ease;
}
.stage-tag-num b { color: var(--vermillion-deep); font-weight: 600; }
.stage-tag-num i { color: var(--muted); font-style: normal; }
.stage-tag-name { color: var(--ink); font-weight: 500; }
.canvas[data-stage="6"] .stage-tag {
  background: rgba(255,255,255,0.06);
  color: var(--paper-soft);
  border-color: rgba(255,255,255,0.15);
}
.canvas[data-stage="6"] .stage-tag-name { color: var(--paper-soft); }
.canvas[data-stage="6"] .stage-tag-num b { color: var(--chrome); }
.canvas[data-stage="6"] .stage-tag-num i { color: rgba(255,255,255,0.4); }

/* CONTROLS */
.film-controls {
  margin-top: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.45rem 0.6rem;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
}
.film-play {
  width: 32px; height: 32px;
  border-radius: 999px;
  border: 0;
  background: var(--ink);
  color: var(--paper-soft);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.18s, background 0.18s;
}
.film-play:hover { background: var(--vermillion-deep); }
.film-play .ico-pause { display: none; }
.film-play[data-playing="true"] .ico-play { display: none; }
.film-play[data-playing="true"] .ico-pause { display: inline; }
.film-progress {
  flex: 1 1 200px;
  height: 4px;
  background: var(--rule);
  border-radius: 999px;
  overflow: hidden;
  min-width: 140px;
}
.film-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--vermillion), var(--vermillion-deep));
  transition: width 0.16s linear;
}
.film-clock {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  flex-shrink: 0;
  padding: 0 0.25rem;
}
.film-clock #filmClock { color: var(--ink); }
.film-stages {
  display: flex;
  gap: 0.2rem;
  flex-wrap: wrap;
}
.film-stages button {
  font: inherit;
  font-family: var(--font-mono);
  font-size: clamp(0.6rem, 0.9vw, 0.7rem);
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.film-stages button[aria-current="true"] {
  background: var(--ink);
  color: var(--paper-soft);
  border-color: var(--ink);
}
.film-stages button:hover { border-color: var(--vermillion); color: var(--vermillion-deep); }
.film-stages button[aria-current="true"]:hover { color: var(--paper-soft); }

.film-hint {
  text-align: center;
  color: var(--muted);
  font-size: 0.95rem;
  margin: 1.5rem auto 0;
  max-width: 64ch;
}
.film-hint code {
  background: var(--ink);
  color: var(--paper-soft);
  border-color: var(--ink);
}

/* ===========================================================
   SECTION CHROME (unchanged from previous design)
   =========================================================== */

.kicker {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--vermillion-deep);
  margin: 0 0 0.85rem;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 4.5rem var(--pad) 2rem;
}
.section h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.05;
}
.section h3.sub-h {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin: 3rem 0 1rem;
}
.section .sub {
  max-width: 70ch;
  color: var(--muted);
  font-size: 1rem;
  margin: 0 0 2rem;
}
.section .sub.center { text-align: center; margin-left: auto; margin-right: auto; }
.section .sub.small { font-size: 0.9rem; }

.grid { display: grid; gap: 1rem; }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.two   { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.card {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: var(--vermillion); transform: translateY(-2px); }
.card .tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--vermillion-deep);
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 0.4rem 0 0.65rem;
}
.card p { color: var(--muted); font-size: 0.94rem; margin: 0 0 1rem; }
.card pre { font-size: 0.78rem; }

.pipeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  align-items: stretch;
  margin-bottom: 3rem;
}
.pipeline .stage {
  position: relative;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.25rem;
}
.pipeline .num {
  position: absolute;
  top: -0.7rem;
  left: 1.25rem;
  width: 1.7rem; height: 1.7rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--vermillion);
  color: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.pipeline h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0.4rem 0 0.5rem;
}
.pipeline p { color: var(--muted); font-size: 0.9rem; margin: 0; }
.pipeline .arrow {
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 1.3rem;
  font-family: var(--font-display);
}
@media (min-width: 1024px) {
  .pipeline { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; }
  .pipeline .arrow { display: inline-flex; }
}

.code-card {
  background: var(--ink);
  color: var(--paper-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
}
.code-card-head {
  background: rgba(255, 201, 60, 0.10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper-soft);
}
.code-card-head span { color: var(--chrome); }
.code-card pre {
  background: var(--ink);
  border: 0;
  border-radius: 0;
  font-size: 0.82rem;
  color: var(--paper-soft);
}
.code-card .kw  { color: #FFC93C; }
.code-card .ty  { color: #BFD7EA; }
.code-card .str { color: #9DE0AD; }
.cmt { color: var(--muted); font-style: italic; }

.lesson {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  transition: border-color 0.2s;
}
.lesson:hover { border-color: var(--vermillion); }
.lesson h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
}
.lesson p { color: var(--muted); font-size: 0.9rem; margin: 0; }

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.6rem;
  margin-bottom: 2rem;
}
.example {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.95rem 1.1rem;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  transition: border-color 0.18s, transform 0.18s;
}
.example strong {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--vermillion-deep);
}
.example span { color: var(--muted); font-size: 0.86rem; }
.example:hover { transform: translateY(-1px); border-color: var(--vermillion); }
.example.accent {
  background: linear-gradient(180deg, rgba(255,77,46,0.06), rgba(255,201,60,0.06));
  border-color: var(--vermillion);
}

.install { text-align: center; }
.install h2 { margin-bottom: 2rem; }
.steps {
  list-style: none;
  padding: 0;
  margin: 0 auto 2rem;
  max-width: 760px;
  display: grid;
  gap: 1rem;
  text-align: left;
  counter-reset: step;
}
.steps li {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.4rem;
  position: relative;
  counter-increment: step;
}
.steps li strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  display: block;
  margin-bottom: 0.6rem;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: -0.7rem;
  left: 1.25rem;
  background: var(--vermillion);
  color: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
}
.steps pre { font-size: 0.82rem; }

.foot {
  max-width: var(--max);
  margin: 4rem auto 0;
  padding: 2.5rem var(--pad);
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 1rem;
  text-align: center;
}
.foot-lockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.foot-lockup svg { color: var(--vermillion); }
.foot-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.foot-links a:hover { color: var(--vermillion-deep); }
.foot-meta { color: var(--muted); font-size: 0.9rem; margin: 0; }
.foot-meta a { color: var(--ink); border-bottom: 1px dashed var(--rule); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .film-progress span { transition: none; }
}

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .section, .card, .lesson, .example, .pipeline .stage, .steps li {
      animation: rise 0.7s var(--morph) both;
      animation-timeline: view();
      animation-range: entry 0% cover 25%;
    }
    @keyframes rise {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }
  }
}