/* The IRIS Compass: red field guide. */
:root {
  --red: #891d26;
  --red-deep: #6f1720;
  --red-well: #771921;
  --white: #fff;
  --soft: #f6e3e3;
  --rule: rgba(255, 255, 255, .3);
  --rule-strong: rgba(255, 255, 255, .62);
  --serif: "Bodoni 72", "Bodoni Moda", Didot, "Bodoni MT", "Libre Bodoni", "Playfair Display", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --gutter: clamp(20px, 6vw, 88px);
  color-scheme: only light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scrollbar-gutter: stable; }
body {
  margin: 0;
  background: var(--red);
  color: var(--white);
  font: 400 19px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
body.is-opening { overflow: hidden; }
[hidden] { display: none !important; }
button, input { font: inherit; color: inherit; }
button, a, input, label { touch-action: manipulation; }
a { color: var(--white); text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--white); outline-offset: 3px; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Type */
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.04; margin: 0; text-wrap: balance; }
.eyebrow { margin: 0; font: 600 13px/1.5 var(--sans); letter-spacing: .22em; text-transform: uppercase; }
.brand { font: 400 34px/1 var(--serif); letter-spacing: .24em; margin-right: -.24em; }

/* Masthead */
.masthead {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin: 0 var(--gutter); padding: 22px 0; border-bottom: 1px solid var(--rule);
}
.mode-flag { font: 600 12px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--soft); text-align: right; }

/* Cover */
.cover {
  max-width: 1280px; margin: 0 auto;
  padding: clamp(36px, 7vh, 80px) var(--gutter) clamp(40px, 8vh, 88px);
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 80px); align-items: center;
}
#cover-title { font-size: clamp(60px, 8.4vw, 120px); letter-spacing: -.02em; margin: 18px 0 28px; }
.hook { margin: 0; font: 400 clamp(26px, 2.4vw, 32px)/1.25 var(--serif); }
.lede { margin: 16px 0 0; max-width: 30em; }

/* Form */
form { max-width: 460px; margin-top: 32px; }
.field-label { display: block; font-size: 15px; font-weight: 600; margin-bottom: 8px; }
input[type="email"], input[type="text"], input[type="tel"] {
  width: 100%; min-height: 58px; padding: 14px 16px; font-size: 19px;
  background: rgba(0, 0, 0, .1); border: 1px solid var(--rule-strong); border-radius: 0;
  -webkit-appearance: none; appearance: none;
}
input[type="email"]::placeholder, input[type="text"]::placeholder, input[type="tel"]::placeholder { color: #ecc9c9; opacity: 1; }
input[type="email"]:focus-visible, input[type="text"]:focus-visible, input[type="tel"]:focus-visible { outline-offset: 2px; }
.field-label:not(:first-child) { margin-top: 20px; }
.field-label .optional { font-weight: 400; color: var(--soft); }
.field-hint { margin: 8px 0 0; font-size: 15px; line-height: 1.5; color: var(--soft); }
input[aria-invalid="true"] { border: 2px solid var(--white); box-shadow: inset 5px 0 0 var(--white); }
.field-error, .form-error {
  margin: 10px 0 0; padding: 12px 14px; border-left: 4px solid var(--white);
  background: rgba(0, 0, 0, .16); font-size: 16px; font-weight: 600; line-height: 1.45;
}
.form-error { margin-top: 14px; }

.consent {
  display: flex; gap: 12px; align-items: flex-start; margin: 20px 0 0;
  font-size: 15px; line-height: 1.5; color: var(--soft); cursor: pointer;
}
.consent input {
  -webkit-appearance: none; appearance: none; flex: none; width: 24px; height: 24px; margin: 0;
  border: 1.5px solid var(--white); background: transparent; display: grid; place-content: center; cursor: pointer;
}
.consent input:checked { background: var(--white); }
.consent input:checked::after {
  content: ""; width: 12px; height: 7px; border: solid var(--red); border-width: 0 0 2.5px 2.5px;
  transform: translateY(-2px) rotate(-45deg);
}

.btn {
  width: 100%; min-height: 58px; margin-top: 20px; padding: 0 22px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  border: 0; border-radius: 0; background: var(--white); color: var(--red);
  font: 600 18px/1.2 var(--sans); cursor: pointer; transition: background .2s;
}
.btn:hover { background: var(--soft); }
.btn:focus-visible { outline-offset: 4px; }
.btn .arrow { font-size: 22px; transition: transform .25s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn .spinner {
  display: none; width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent; animation: spin .8s linear infinite;
}
.btn[aria-busy="true"] { cursor: progress; }
.btn[aria-busy="true"] .spinner { display: block; }
.btn[aria-busy="true"] .arrow { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.note { margin: 12px 0 0; font-size: 15px; line-height: 1.55; color: var(--soft); }
.note strong { color: var(--white); }
.demo-only { padding: 8px 12px; border: 1px dashed var(--rule-strong); }

/* Compass art */
.art { position: relative; text-align: center; color: var(--white); }
.compass { display: block; width: 100%; max-width: 520px; margin: 0 auto; overflow: visible; }
.compass .hub, .compass .needle-body { fill: var(--red); }
.compass text { font-family: var(--serif); font-size: 18px; }
.motto { margin: 20px 0 0; font: 600 12px/1.5 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--soft); }

.contents-preview {
  margin: 0 var(--gutter); padding: 22px 0 30px; border-top: 1px solid var(--rule);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px;
  font-size: 15px; color: var(--soft);
}


/* Reveal stage: covers the page, then an iris-shaped hole opens from the pupil. */
.stage {
  position: fixed; inset: 0; z-index: 50;
  --r: 0px;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, transparent var(--r), #000 calc(var(--r) + 1.5px));
  mask-image: radial-gradient(circle at 50% 50%, transparent var(--r), #000 calc(var(--r) + 1.5px));
}
.stage-bg { position: absolute; inset: 0; background: var(--red); }
.stage-art { position: absolute; color: var(--white); will-change: transform; }
.stage-art svg { display: block; width: 100%; height: 100%; overflow: visible; }
.aperture-frame { position: fixed; inset: 0; z-index: 51; overflow: hidden; pointer-events: none; }
.aperture {
  position: absolute; left: 50%; top: 50%; width: 0; height: 0;
  border: 1.5px solid var(--white); border-radius: 50%;
  transform: translate(-50%, -50%); pointer-events: none; opacity: 0;
}

/* Guide */
#guide { max-width: 1280px; margin: 0 auto; padding: clamp(28px, 5vw, 56px) var(--gutter) 40px; }
/* The guide's body keeps a comfortable reading column under the wide hero. */
#guide > .section, #guide > .guide-foot { max-width: 940px; margin-left: 0; margin-right: auto; }
#guide-title { font-size: clamp(46px, 5.3vw, 92px); letter-spacing: -.025em; line-height: .96; margin: 22px 0 28px; }
#guide-title:focus { outline: none; }
.guide-head { padding-bottom: clamp(40px, 6vw, 72px); border-bottom: 1px solid var(--rule); }
/* Guide hero: title on the left, the galaxy floating behind the right side with no frame,
 * fading softly into the page red, so it reads as the same galaxy that opened the guide. */
.guide-head { position: relative; }
.guide-hero {
  position: relative; display: flex; align-items: center;
  min-height: min(calc(100vh - 120px), 760px); padding: 12px 0 48px;
}
.guide-hero-copy { position: relative; z-index: 1; max-width: 54%; }
#guide-title .ln { display: block; white-space: nowrap; }
.guide-hero-copy .lede { max-width: 25em; }
.hero-start {
  display: inline-flex; align-items: center; gap: 10px; min-height: 48px; margin-top: 30px; padding: 0 20px;
  border: 1px solid var(--rule-strong); text-decoration: none; font-weight: 600; font-size: 16px;
  transition: background .25s, gap .25s;
}
.hero-start:hover { background: rgba(255, 255, 255, .1); gap: 14px; }
.guide-panel {
  position: absolute; top: 0; bottom: 0; right: calc(var(--gutter) * -1); width: min(64%, 860px);
  pointer-events: none;
  -webkit-mask-image: radial-gradient(closest-side, #000 58%, transparent 100%);
  mask-image: radial-gradient(closest-side, #000 58%, transparent 100%);
}
.guide-panel .hero-galaxy { position: absolute; inset: 0; width: 100%; height: 100%; will-change: transform, opacity; }
.reveal-on .guide-panel[data-reveal] { transform: none; transition: opacity 1.6s ease var(--d, 0s); }
.toc { padding-top: 6px; }
.toc-label { margin: 0 0 10px !important; color: var(--soft); }
.toc ol { margin-top: 0; }
.toc a { position: relative; border-top: 0; border-bottom: 1px solid var(--rule); padding-right: 28px; transition: padding-left .3s; }
.toc a::after { content: "→"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); opacity: .45; transition: transform .3s, opacity .3s; }
.toc a:hover { padding-left: 6px; }
.toc a:hover::after { opacity: 1; transform: translate(4px, -50%); }
.toc a:hover span:last-child { text-decoration: none; }
.guide-head .lede { font-size: 21px; }
.toc ol {
  list-style: none; margin: 34px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 28px;
}
.toc a {
  display: flex; align-items: baseline; gap: 14px; min-height: 52px; padding: 12px 0;
  border-top: 1px solid var(--rule); text-decoration: none; font-size: 18px;
}
.toc a:hover span:last-child { text-decoration: underline; }
.toc .num { font: 400 22px/1 var(--serif); min-width: 2ch; }

.section { padding: clamp(48px, 7vw, 76px) 0; border-bottom: 1px solid var(--rule); scroll-margin-top: 12px; }
.section h2 { font-size: clamp(40px, 5.2vw, 62px); margin: 14px 0 28px; }
.section p, .section li, .section dl { max-width: 40em; }
.section p { margin: 0 0 18px; }
.section b { font-weight: 700; }
h3.minor { font: 600 13px/1.5 var(--sans); letter-spacing: .22em; text-transform: uppercase; margin: 34px 0 6px; }
code { font: 500 .88em/1.5 var(--mono); background: rgba(0, 0, 0, .18); padding: .1em .35em; overflow-wrap: anywhere; }

.search {
  display: flex; align-items: center; gap: 16px; margin: 16px 0;
  padding: 12px 12px 12px 20px; background: var(--red-well); border: 1px solid var(--rule);
}
.search code { flex: 1; min-width: 0; padding: 0; background: none; font-size: 17px; line-height: 1.6; }
.copy {
  flex: none; min-height: 48px; min-width: 96px; padding: 0 18px; border: 0; border-radius: 0;
  background: var(--white); color: var(--red); font: 600 15px/1 var(--sans); cursor: pointer;
}
.copy:hover, .copy.is-done { background: var(--soft); }

.explain { margin: 0 0 10px; border-top: 1px solid var(--rule); }
.explain div { display: grid; grid-template-columns: minmax(170px, 260px) 1fr; gap: 6px 24px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.explain dt, .explain dd { margin: 0; }
.callout { margin-top: 28px !important; padding: 16px 20px; border-left: 3px solid var(--white); background: rgba(0, 0, 0, .13); font-size: 17px; }

.checks { list-style: none; margin: 0 0 24px; padding: 0; border-top: 1px solid var(--rule); }
.checks li { position: relative; padding: 14px 0 14px 36px; border-bottom: 1px solid var(--rule); }
.checks li::before {
  content: ""; position: absolute; left: 4px; top: 22px; width: 14px; height: 14px;
  border: 1.5px solid var(--white); border-radius: 50%;
  background: radial-gradient(circle, var(--white) 0 2.5px, transparent 3px);
}

.platforms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px 28px; margin: 6px 0 22px; }
.platform h3 { font-size: 30px; margin: 22px 0 0; }
.platform .search { flex-direction: column; align-items: stretch; padding: 16px; }
.platform .copy { align-self: flex-start; }

.route { list-style: none; counter-reset: step; margin: 0; padding: 0; }
.route li {
  counter-increment: step; display: grid; grid-template-columns: 64px 1fr; align-items: baseline;
  padding: 16px 0; border-top: 1px solid var(--rule); font-size: 20px;
}
.route li:last-child { border-bottom: 1px solid var(--rule); }
.route li::before { content: counter(step, decimal-leading-zero); font: 400 30px/1 var(--serif); }
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 14px; margin: 34px 0 0 !important; font: 400 24px/1.4 var(--serif); }
.flow .to { color: var(--soft); }

.video {
  position: relative; aspect-ratio: 16 / 9; margin-top: 30px;
  border: 1px solid var(--rule-strong); background: var(--red-deep);
  display: grid; place-items: center; text-align: center; padding: 24px;
}
.video-placeholder svg { width: 64px; height: 64px; margin-bottom: 14px; }
.video-placeholder strong { display: block; font: 400 clamp(26px, 3.2vw, 36px)/1.15 var(--serif); }
.video-placeholder p { margin: 10px auto 0; color: var(--soft); font-size: 16px; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-play {
  position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0;
  background: var(--red-deep); cursor: pointer; display: grid; place-items: center;
}
.video-play img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.video-play-icon {
  position: relative; width: 84px; height: 84px; border-radius: 50%;
  background: var(--red); border: 2px solid var(--white); box-shadow: 0 6px 24px rgba(0, 0, 0, .35);
  transition: transform .2s, background .2s;
}
.video-play-icon::after {
  content: ""; position: absolute; left: 34px; top: 26px;
  border-style: solid; border-width: 16px 0 16px 26px; border-color: transparent transparent transparent var(--white);
}
.video-play:hover .video-play-icon { transform: scale(1.06); background: var(--red-deep); }
.video-play:focus-visible { outline: 3px solid var(--white); outline-offset: -6px; }

.guide-foot {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  padding: 36px 0 20px; font-size: 15px; color: var(--soft);
}
.guide-foot .brand { font-size: 28px; color: var(--white); }
.replay {
  min-height: 48px; padding: 0 18px; border: 1px solid var(--rule-strong); border-radius: 0;
  background: transparent; color: var(--white); font: 600 15px/1 var(--sans); cursor: pointer;
}
.replay:hover { background: rgba(255, 255, 255, .1); }

/* Phones */
@media (max-width: 760px) {
  body { font-size: 18px; }
  .masthead { padding: 16px 0; }
  .brand { font-size: 28px; }
  .mode-flag { font-size: 10.5px; letter-spacing: .1em; max-width: 16em; }
  .cover { grid-template-columns: 1fr; gap: 22px; padding-top: 26px; }
  .art { grid-row: 1; }
  .compass { max-width: 250px; }
  .motto { display: none; }
  #cover-title { font-size: clamp(54px, 15vw, 76px); margin: 12px 0 20px; }
  .contents-preview { flex-direction: column; }
  .eyebrow { font-size: 12px; letter-spacing: .18em; }
  .search { flex-direction: column; align-items: stretch; padding: 14px; }
  .search code { font-size: 15.5px; }
  .copy { align-self: flex-start; }
  .explain div { grid-template-columns: 1fr; }
  .platforms { grid-template-columns: 1fr; }
  .route li { grid-template-columns: 48px 1fr; font-size: 18px; }
  .route li::before { font-size: 24px; }
  .flow { font-size: 21px; }
  .video { aspect-ratio: auto; min-height: 240px; }
  .guide-hero { flex-direction: column; align-items: stretch; min-height: 0; padding: 0 0 36px; }
  #guide .toc ol { grid-template-columns: 1fr; }
  .guide-panel { position: relative; right: auto; width: auto; height: 250px; margin: 0 calc(var(--gutter) * -1) -10px; }
  .guide-hero-copy { max-width: none; }
  #guide-title .ln { white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Galaxy beat: grain canvas between the reveal stage and the guide. */
.galaxy {
  position: fixed; left: 0; top: 0; z-index: 49;
  pointer-events: none; will-change: opacity;
}

/* ---------- Search demo (guide section 01) ----------
 * A fixed-size stage (design units) scaled to the column. Desktop 800x520; phones use a
 * compact 480x470 layout so the window text stays readable.
 */
.sd { margin: 30px 0 34px; max-width: none !important; }
.sd-frame {
  position: relative; overflow: hidden; background: var(--red);
  border: 1px solid var(--rule); border-radius: 4px;
}
.sd-stage {
  position: absolute; left: 0; top: 0; width: 800px; height: 520px;
  transform-origin: 0 0; isolation: isolate; overflow: hidden; background: var(--red);
  --ink: #3b0f14; --muted: #8b6a6d; --line: #ecdcd8; --paper: #fff8f2;
  font-family: var(--sans); color: var(--ink);
}
.sd.is-compact .sd-stage { width: 360px; height: 412px; }

/* Atlas, recoloured to page red and cream: grey it, push the plate red to black, screen it. */
.sd-atlas { position: absolute; inset: 0; pointer-events: none; }
.sd-atlas img {
  position: absolute; width: 560px; left: 120px; top: -35px;
  filter: grayscale(1) brightness(.9) contrast(1.4); mix-blend-mode: screen; opacity: .82;
}
.sd.is-compact .sd-atlas img { width: 300px; left: 30px; top: 150px; }
.sd-tag {
  position: absolute; right: 16px; bottom: 12px; margin: 0; z-index: 1;
  font: 600 11px/1 var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--soft);
}
.sd.is-compact .sd-tag { right: 10px; bottom: 9px; font-size: 10px; letter-spacing: .08em; }

.sd-win {
  position: absolute; left: 170px; top: 20px; width: 460px; height: 318px; z-index: 2;
  background: var(--paper); border-radius: 12px; overflow: hidden;
  box-shadow: 0 30px 60px rgba(40, 0, 6, .45), 0 0 0 1px rgba(0, 0, 0, .08);
}
.sd.is-compact .sd-win { left: 8px; top: 8px; width: 344px; height: 340px; }
.sd-bar { display: flex; align-items: center; gap: 4px; height: 34px; padding: 0 12px; background: #f6e9e3; border-bottom: 1px solid var(--line); }
.sd-dots { display: flex; gap: 6px; margin-right: 10px; }
.sd-dots i { width: 10px; height: 10px; border-radius: 50%; background: #e3c9c4; }
.sd-tab { position: relative; padding: 0 12px; height: 34px; display: flex; align-items: center; font-size: 12px; font-weight: 600; }
.sd-tab-b span { opacity: .55; }
.sd-tabline { position: absolute; left: 10px; right: 10px; bottom: 0; height: 2px; background: var(--red); }
.sd-tab-b .sd-tabline { opacity: 0; }
.sd-addr { position: relative; height: 30px; margin: 8px 14px 0; border-radius: 15px; background: #f3e6e1; font-size: 11.5px; color: var(--muted); }
.sd-addr span { position: absolute; left: 14px; top: 0; line-height: 30px; }
.sd-addr-b, .sd-addr-c { opacity: 0; }
.sd-body { position: absolute; left: 0; right: 0; top: 80px; bottom: 0; }
.sd-scene { position: absolute; inset: 0; padding: 14px 20px; }
.sd-search, .sd-verify { opacity: 0; }

/* Scene 1: artist profile */
.sd-artist { display: flex; gap: 16px; align-items: center; }
.sd-avatar {
  flex: none; width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
  background: var(--red); color: var(--paper); font: 400 24px/1 var(--serif); letter-spacing: .04em;
}
.sd-avatar.sm { width: 40px; height: 40px; font-size: 15px; margin: 6px auto 4px; }
.sd-kicker { margin: 0; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.sd-name { margin: 2px 0 6px; font: 400 26px/1.05 var(--serif); color: var(--ink); }
.sd-meta { margin: 0; display: flex; gap: 6px; }
.sd-meta i { height: 6px; width: 70px; border-radius: 3px; background: var(--line); }
.sd-meta i + i { width: 40px; }
.sd-tracks { list-style: none; margin: 12px 0 0; padding: 0; font-size: 13px; }
.sd-tracks li { display: flex; align-items: center; gap: 10px; padding: 5px 0; border-top: 1px solid var(--line); }
.sd-art {
  flex: none; width: 26px; height: 26px; border-radius: 3px;
  background: radial-gradient(circle at 50% 50%, var(--paper) 0 18%, transparent 19%), radial-gradient(ellipse 46% 30% at 50% 50%, transparent 0 60%, rgba(255, 248, 242, .85) 62% 70%, transparent 72%), var(--red);
}
.sd-art.alt { background: radial-gradient(circle at 35% 40%, rgba(255, 248, 242, .8) 0 22%, transparent 23%), #a5555b; }
.sd-art.lg { width: 58px; height: 58px; margin: 6px auto 0; display: block; }
.sd-links { display: flex; gap: 8px; margin-top: 10px; }
.sd-link { padding: 6px 12px; border: 1px solid var(--line); border-radius: 14px; font-size: 12px; font-weight: 600; }
.sd-ig { color: var(--red); border-color: rgba(137, 29, 38, .35); text-decoration: line-through 1.5px; text-decoration-color: rgba(137, 29, 38, 0); }
.sd-ig em { font-style: normal; }
.sd-pop {
  position: absolute; left: 150px; top: 150px; opacity: 0; display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: var(--ink); color: var(--paper); border-radius: 8px; font-size: 12px; font-weight: 600;
  box-shadow: 0 8px 20px rgba(40, 0, 6, .25);
}
.sd-x { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--red); font-size: 10px; }

/* Scene 2/3: search */
.sd-field {
  display: flex; align-items: center; gap: 10px; height: 42px; padding: 0 8px 0 14px;
  border: 1px solid var(--line); border-radius: 21px; background: #fff; color: var(--muted);
}
.sd-field svg { width: 16px; height: 16px; flex: none; }
.sd-q { flex: 1; white-space: pre; font: 500 14px/1 var(--mono); color: var(--ink); }
.sd-s1 { color: var(--red); }
.sd-s3 { color: #6b4b4e; }
.sd-caret { display: inline-block; width: 1.5px; height: 16px; margin-left: 1px; vertical-align: -3px; background: var(--red); animation: sd-blink 1s steps(1) infinite; }
@keyframes sd-blink { 50% { opacity: 0; } }
.sd-enter { flex: none; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; font-size: 13px; color: var(--red); background: rgba(137, 29, 38, .08); }
.sd-notes { position: relative; height: 26px; }
.sd-note {
  position: absolute; top: 8px; opacity: 0; white-space: nowrap;
  padding: 3px 8px; border-radius: 10px; background: var(--red); color: var(--paper); font-size: 10.5px; font-weight: 700;
}
.sd-note::before { content: ""; position: absolute; left: 50%; top: -4px; margin-left: -4px; border: 4px solid transparent; border-top: 0; border-bottom-color: var(--red); }
.sd-results { list-style: none; margin: 4px 0 0; padding: 0; }
.sd-r { opacity: 0; padding: 4px 10px; margin: 0 -10px; border-radius: 8px; }
.sd-r p { margin: 0; }
.sd-url { font-size: 10.5px; color: var(--muted); }
.sd-title { font: 400 16px/1.25 var(--serif); color: var(--red); }
.sd-snip { font-size: 11.5px; color: #6b4b4e; }

/* Scene 4: verify */
.sd-cards { position: relative; display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: start; }
.sd-card { opacity: 0; padding: 10px 8px 12px; border: 1px solid var(--line); border-radius: 10px; text-align: center; background: #fff; }
.sd-cname { margin: 0; font: 400 15px/1.2 var(--serif); }
.sd-checks { display: grid; gap: 8px; padding-top: 18px; }
.sd-chk { margin: 0; display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; opacity: .3; white-space: nowrap; }
.sd-chk b { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--red); color: var(--paper); font-size: 11px; transform: scale(0); }
.sd-stamp {
  position: absolute; left: 50%; top: 150px; margin-left: -62px; width: 124px; opacity: 0;
  display: flex; align-items: center; justify-content: center; gap: 8px; padding: 7px 0;
  border: 2px solid var(--red); border-radius: 6px; color: var(--red);
  font: 700 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; background: rgba(255, 248, 242, .9);
}
.sd-stamp svg { width: 24px; height: 15px; }
.sd-saved {
  position: absolute; right: 12px; top: 44px; opacity: 0; z-index: 3;
  padding: 6px 12px; border-radius: 14px; background: var(--red); color: var(--paper); font-size: 11.5px; font-weight: 700;
}

.sd-cursor { position: absolute; left: 0; top: 0; width: 22px; height: 22px; z-index: 5; opacity: 0; filter: drop-shadow(0 2px 3px rgba(0, 0, 0, .35)); }
.sd-cursor path { fill: #1d0508; stroke: #fff; stroke-width: 1.4; stroke-linejoin: round; }
.sd-ring { position: absolute; left: -16px; top: -16px; width: 32px; height: 32px; z-index: 4; border-radius: 50%; border: 2px solid var(--red); opacity: 0; }

.sd-caption { display: flex; gap: 14px; align-items: baseline; margin-top: 16px; min-height: 3.2em; }
.sd-step { flex: none; font: 400 30px/1 var(--serif); }
.sd-text { margin: 0 !important; font: 400 clamp(19px, 2vw, 22px)/1.4 var(--serif); }
.sd-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.sd-play, .sd-steps button {
  min-height: 44px; border: 1px solid var(--rule-strong); border-radius: 0; background: transparent; color: var(--white);
  font: 600 15px/1 var(--sans); cursor: pointer;
}
.sd-play { min-width: 92px; padding: 0 16px; }
.sd-steps { display: flex; gap: 6px; }
.sd-steps button { width: 44px; }
.sd-steps button[aria-current="step"] { background: var(--white); color: var(--red); }
.sd-play:hover, .sd-steps button:hover { background: rgba(255, 255, 255, .12); }
.sd-steps button[aria-current="step"]:hover { background: var(--soft); }
.sd-progress { flex: 1; min-width: 80px; height: 2px; background: var(--rule); overflow: hidden; }
.sd-progress i { display: block; height: 100%; background: var(--white); transform-origin: 0 50%; transform: scaleX(0); }
@media (max-width: 760px) {
  .sd-caption { gap: 10px; }
  .sd-step { font-size: 24px; }
}

/* ---------- Scroll reveals ----------
 * Only active once JS adds .reveal-on to <html>, so content is never hidden if scripts fail,
 * and never for reduced motion.
 */
.reveal-on [data-reveal] {
  opacity: 0; transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2, .7, .2, 1) var(--d, 0s), transform 1.1s cubic-bezier(.2, .7, .2, 1) var(--d, 0s);
}
.reveal-on [data-reveal].is-in { opacity: 1; transform: none; }
.section { position: relative; border-bottom: 0; }
.section::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--rule); transform-origin: 0 50%; transition: transform 1.4s cubic-bezier(.2, .7, .2, 1); }
.reveal-on .section:not(.line-in)::after { transform: scaleX(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal-on [data-reveal] { opacity: 1 !important; transform: none !important; }
  .reveal-on .section::after { transform: none !important; }
}

@media (max-width: 900px) and (min-width: 761px) {
  .toc ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Broken-link demo: a dark streaming-app artist page inside the same window, then a 404. */
.bl .sd-body { overflow: hidden; }
.bl .sd-tab-b { opacity: 0; }
.bl-load { position: absolute; left: 0; top: 0; z-index: 3; width: 100%; height: 3px; background: var(--red); transform: scaleX(0); transform-origin: 0 50%; }
.bl-page { position: absolute; left: 0; right: 0; top: 0; padding: 0 20px 20px; background: #1d0b0e; color: #f6e3e3; min-height: 100%; }
.bl-hero {
  display: flex; gap: 16px; align-items: center; margin: 0 -20px; padding: 16px 20px 14px;
  background: linear-gradient(180deg, #6f1720, #1d0b0e);
}
.bl-hero .sd-avatar { width: 66px; height: 66px; background: var(--paper); color: var(--red); box-shadow: 0 8px 18px rgba(0, 0, 0, .35); }
.bl-kicker { margin: 0; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #e9c9c9; }
.bl-name { margin: 2px 0 6px; font: 400 30px/1 var(--serif); color: #fff; }
.bl .sd-meta i { background: rgba(255, 255, 255, .22); }
.bl-actions { display: flex; align-items: center; gap: 12px; margin: 12px 0 4px; }
.bl-play { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--paper); color: var(--red); font-size: 13px; padding-left: 2px; }
.bl-follow { padding: 5px 12px; border: 1px solid rgba(255, 255, 255, .4); border-radius: 14px; font-size: 11px; font-weight: 700; }
.bl-label { margin: 12px 0 4px; font-size: 13px; font-weight: 700; color: #fff; }
.bl-tracks { list-style: none; margin: 0; padding: 0; font-size: 12.5px; }
.bl-tracks li { display: flex; align-items: center; gap: 10px; padding: 5px 0; }
.bl-tracks li span:nth-child(2) { flex: 1; }
.bl-tracks li i { width: 46px; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, .16); }
.bl-tracks .sd-art { width: 26px; height: 26px; }
.bl-about { padding: 12px 14px; border-radius: 8px; background: #2c1216; }
.bl-bio { display: grid; gap: 6px; margin: 0 0 10px; }
.bl-bio i { height: 5px; border-radius: 3px; background: rgba(255, 255, 255, .16); }
.bl-bio i + i { width: 70%; }
.bl-links { display: flex; gap: 8px; }
.bl-link { padding: 6px 12px; border: 1px solid rgba(255, 255, 255, .35); border-radius: 14px; font-size: 12px; font-weight: 700; color: #fff; }
.bl-404 {
  position: absolute; inset: 0; z-index: 2; opacity: 0; padding: 18px 30px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  background: var(--paper); color: var(--ink);
}
.bl-chain { flex: none; width: 34px; height: 34px; color: var(--red); margin-bottom: 4px; }
.bl-num { margin: 0; font: 400 76px/1 var(--serif); color: var(--red); letter-spacing: -.02em; }
.bl-title { margin: 6px 0 6px; font: 400 22px/1.2 var(--serif); }
.bl-sub { margin: 0; max-width: 300px; font-size: 12.5px; line-height: 1.5; color: var(--muted); }

/* Tablets: the galaxy sits further back so the title keeps clear contrast. */
@media (max-width: 1000px) and (min-width: 761px) {
  .guide-hero-copy { max-width: 64%; }
  .guide-panel { width: 62%; }
}

/* ---------- Demo windows on phones ----------
 * The compact stage is 360 design units wide, so it is shown at about 90% size on a phone
 * (the desktop stage would be about 40%). Text inside the windows is bumped up to stay readable,
 * and the cramped scenes are rearranged.
 */
.sd.is-compact .sd-bar { height: 36px; padding: 0 10px; }
.sd.is-compact .sd-dots { margin-right: 4px; }
.sd.is-compact .sd-dots i { width: 9px; height: 9px; }
.sd.is-compact .sd-tab { height: 36px; padding: 0 9px; font-size: 13px; }
.sd.is-compact .sd-addr { margin: 8px 10px 0; height: 30px; font-size: 13px; }
.sd.is-compact .sd-addr span { left: 12px; }
.sd.is-compact .sd-body { top: 82px; }
.sd.is-compact .sd-scene { padding: 12px 14px; }
.sd.is-compact .sd-kicker { font-size: 11.5px; }
.sd.is-compact .sd-name { font-size: 28px; }
.sd.is-compact .sd-tracks { font-size: 15px; }
.sd.is-compact .sd-link { font-size: 14px; padding: 7px 13px; }
.sd.is-compact .sd-pop { left: 14px; right: 14px; top: 172px; font-size: 14px; }
.sd.is-compact .sd-saved { font-size: 13px; top: 46px; right: 10px; }

/* Search: let the query wrap onto two lines rather than shrink it. */
.sd.is-compact .sd-field { height: auto; min-height: 44px; padding: 8px 8px 8px 12px; border-radius: 18px; }
.sd.is-compact .sd-q { white-space: pre-wrap; font-size: 15px; line-height: 1.4; }
.sd.is-compact .sd-enter { width: 30px; height: 30px; font-size: 14px; }
.sd.is-compact .sd-note { font-size: 12px; }
.sd.is-compact .sd-url { font-size: 12.5px; }
.sd.is-compact .sd-title { font-size: 18px; }
.sd.is-compact .sd-snip { font-size: 13.5px; }

/* Verify: the two profile cards side by side, the checks in a row underneath, the stamp below. */
.sd.is-compact .sd-cards { grid-template-columns: 1fr 1fr; gap: 10px; }
.sd.is-compact .sd-card-a { grid-column: 1; grid-row: 1; }
.sd.is-compact .sd-card-b { grid-column: 2; grid-row: 1; }
.sd.is-compact .sd-checks { grid-column: 1 / -1; grid-row: 2; display: flex; justify-content: space-between; gap: 6px; padding-top: 0; }
.sd.is-compact .sd-card { padding: 6px 6px 8px; }
.sd.is-compact .sd-avatar.sm { width: 30px; height: 30px; font-size: 13px; margin: 3px auto 2px; }
.sd.is-compact .sd-cname { font-size: 16px; }
.sd.is-compact .sd-art.lg { width: 32px; height: 32px; margin-top: 3px; }
.sd.is-compact .sd-chk { font-size: 13px; gap: 5px; }
.sd.is-compact .sd-chk b { width: 18px; height: 18px; }
.sd.is-compact .sd-stamp { top: auto; bottom: 6px; font-size: 13px; width: 130px; margin-left: -65px; }

/* Broken link: the dark artist page and the 404. */
.sd.is-compact .bl-page { padding: 0 14px 18px; }
.sd.is-compact .bl-hero { margin: 0 -14px; padding: 14px; }
.sd.is-compact .bl-kicker { font-size: 11.5px; }
.sd.is-compact .bl-name { font-size: 30px; }
.sd.is-compact .bl-follow { font-size: 13px; }
.sd.is-compact .bl-label { font-size: 15px; }
.sd.is-compact .bl-tracks { font-size: 15px; }
.sd.is-compact .bl-link { font-size: 14px; padding: 7px 13px; }
.sd.is-compact .bl-404 { padding: 14px 20px; }
.sd.is-compact .bl-title { font-size: 24px; }
.sd.is-compact .bl-sub { font-size: 14.5px; max-width: none; }
/* The query wraps on phones, so the three labels sit in a row instead of pointing at each part. */
.sd.is-compact .sd-notes { display: flex; flex-wrap: wrap; gap: 6px; height: auto; margin-top: 8px; }
.sd.is-compact .sd-notes .sd-note { position: static; transform: none !important; }
.sd.is-compact .sd-note::before { display: none; }

/* Video deep link */
.video-link { margin: 14px 0 0; font-size: 17px; }

/* Privacy page */
.legal { max-width: 760px; padding: clamp(36px, 7vh, 72px) var(--gutter) 96px; }
.legal h1 { font-size: clamp(48px, 7vw, 84px); letter-spacing: -.02em; margin: 14px 0 10px; }
.legal h2 { font-size: clamp(28px, 3.4vw, 38px); margin: 48px 0 12px; }
.legal p, .legal li { max-width: 36em; }
.legal ul { padding-left: 1.2em; margin: 0; }
.legal li + li { margin-top: 8px; }
.legal-date { color: var(--soft); font-size: 16px; margin: 0 0 32px; }
.legal-home { text-decoration: none; }
.legal-back { margin-top: 56px; }