:root {
  --cream: oklch(0.985 0.008 68);
  --paper: oklch(0.994 0.005 72);
  --linen: oklch(0.972 0.012 68);
  --brown: oklch(0.31 0.028 50);
  --ink: oklch(0.23 0.012 52);
  --muted: oklch(0.48 0.02 52);
  --gold: oklch(0.68 0.075 75);
  --line: oklch(0.89 0.015 68);
  --soft-gold: oklch(0.95 0.025 74);
  --display: "Spectral", Georgia, serif;
  --body: "Raleway", system-ui, sans-serif;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: clamp(3.5rem, 7vw, 4.5rem);
  --space-6: clamp(4.5rem, 9vw, 6.5rem);
  --space-7: clamp(6rem, 12vw, 9rem);
  --page-frame: 85rem;
  --page-gutter: clamp(1.25rem, 2.8vw, 2.5rem);
  --radius-sm: 4px;
  --radius-media: 0px;
  --reading: 68ch;
  --hero-title: clamp(3.2rem, 5.4vw, 4.75rem);
  --section-title: clamp(2.25rem, 3.4vw, 3rem);
  --deck-rail-height: 3.5rem;
  --deck-safe-bottom: env(safe-area-inset-bottom, 0px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-snap-type: y proximity;
  scroll-padding-bottom: calc(var(--deck-rail-height) + var(--deck-safe-bottom));
}

html.deck-is-navigating {
  scroll-snap-type: none;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

button, input, textarea, select { font: inherit; }
img, video { display: block; max-width: 100%; }
p, h1, h2, h3, figure { margin-top: 0; }

.chapter {
  min-height: 100svh;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.chapter:not(.hero) {
  padding-bottom: calc(var(--deck-rail-height) + var(--deck-safe-bottom));
}

.chapter-opening,
.lead-beats-section,
.alternate-rules-section,
.decisions-section {
  display: grid;
  align-content: center;
}

.hero {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.hero--media {
  display: grid;
  grid-template-areas:
    "media"
    "copy";
}

.hero-media {
  grid-area: media;
  height: min(60svh, 580px);
  margin: 0;
  overflow: hidden;
  background: var(--soft-gold);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-inner {
  grid-area: copy;
  display: grid;
  grid-template-areas:
    "eyebrow"
    "title"
    "meta";
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: var(--space-4);
  padding: var(--space-4) var(--page-gutter) var(--space-5);
}

.hero--text-only .hero-inner {
  width: min(100%, 1200px);
  min-height: min(860px, 92svh);
  margin-inline: auto;
}

.eyebrow, .timeline-label {
  grid-area: eyebrow;
  margin-bottom: var(--space-3);
  color: var(--brown);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11ch;
  margin-bottom: var(--space-3);
  color: var(--brown);
  font-family: var(--display);
  font-size: var(--hero-title);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.94;
}

.hero-title-lockup {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: baseline;
  column-gap: 0.24em;
}

.hero-creator { grid-column: 1; }
.hero-separator { grid-column: 2; }

.hero-partner {
  grid-column: 1 / -1;
  display: inline-flex;
  align-items: center;
  min-width: 0;
  margin-top: 0.16em;
}

.hero-partner-logo {
  width: auto;
  max-width: min(100%, 17rem);
  height: clamp(2rem, 4vw, 3rem);
}

.hero-partner-fallback { display: none; }
.hero-partner--text,
.hero-partner.is-missing .hero-partner-fallback {
  display: inline-block;
  font-family: var(--display);
  font-weight: 400;
}
.hero-partner.is-missing .hero-partner-logo { display: none; }

.hero-title-group {
  grid-area: title;
  align-self: center;
}

.hero-subtitle {
  max-width: 26ch;
  margin-bottom: 0;
  font-family: var(--display);
  font-size: clamp(1.9rem, 2.6vw, 2.5rem);
  font-style: italic;
  line-height: 1.1;
}

.hero-meta {
  grid-area: meta;
  max-width: 58ch;
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.65;
}

.section {
  width: min(calc(100% - (2 * var(--page-gutter))), 720px);
  margin-inline: auto;
  padding-block: var(--space-6);
}

.section + .section { border-top: 1px solid var(--line); }
.concept-section, .alternate-section, .products-section, .asks-section { padding-block: var(--space-7); }
.chapter.concept-section {
  padding-bottom: calc(var(--space-7) + var(--deck-rail-height) + var(--deck-safe-bottom));
}
.motion-section, .lead-section, .storyboards-section, .compliance-section { padding-block: var(--space-6); }

.compliance-section {
  display: grid;
  align-content: center;
}

.chapter.compliance-section {
  padding-bottom: calc(var(--space-6) + var(--deck-rail-height) + var(--deck-safe-bottom));
}

.section-head { margin-bottom: var(--space-4); }

.section-label {
  margin-bottom: var(--space-2);
  color: var(--brown);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h2 {
  max-width: 13ch;
  margin-bottom: 0;
  color: var(--brown);
  font-family: var(--display);
  font-size: var(--section-title);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.concept-section {
  display: grid;
  width: 100%;
  align-content: center;
  background-color: var(--linen);
  background-image:
    radial-gradient(circle at 17% 23%, oklch(0.31 0.028 50 / 0.035) 0 0.55px, transparent 0.8px),
    radial-gradient(circle at 79% 61%, oklch(0.31 0.028 50 / 0.025) 0 0.55px, transparent 0.8px),
    radial-gradient(circle at 43% 87%, oklch(0.31 0.028 50 / 0.018) 0 0.45px, transparent 0.72px);
  background-size: 19px 23px, 29px 31px, 37px 41px;
}
.concept-section .section-head,
.concept-copy {
  width: min(calc(100% - (2 * var(--page-gutter))), 660px);
  margin-inline: auto;
}
.concept-section .section-head { margin-bottom: var(--space-4); }
.concept-section h2 { max-width: none; text-align: center; }
.concept-copy { max-width: var(--reading); }
.concept-copy p { margin-bottom: var(--space-3); }

.motion-section { width: min(calc(100% - (2 * var(--page-gutter))), var(--page-frame)); }
.motion-frame { width: min(100%, 480px); margin: 0 auto; }
.motion-video, .asset-pending.portrait {
  width: 100%;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-media);
}
.motion-video {
  background: var(--brown);
  object-fit: cover;
  box-shadow: 0 22px 65px oklch(0.3 0.04 55 / 0.14);
}

figcaption, .disclaimer {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.65;
}

.asset-pending {
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--brown);
  font-family: var(--display);
  font-size: 1.25rem;
}

.asset-pending.landscape {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-media);
}

.intro {
  max-width: 65ch;
  margin-bottom: var(--space-4);
  color: var(--muted);
  font-size: 1rem;
}
.storyboard-classification {
  margin: 0 0 var(--space-4);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lead-section, .storyboards-section { width: min(calc(100% - (2 * var(--page-gutter))), var(--page-frame)); }
.beats-direction-note {
  max-width: 65ch;
  margin: 0 0 var(--space-3);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}
.beats-cards { display: none; }
.beats-table-wrap { overflow-x: auto; border-top: 1px solid var(--brown); }
.beats-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; line-height: 1.6; }
.beats-table th {
  padding: var(--space-2) var(--space-2) 0.75rem;
  color: var(--brown);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-align: left;
  text-transform: uppercase;
}
.beats-table td { padding: 1.4rem var(--space-2); border-top: 1px solid var(--line); vertical-align: top; }
.beats-table td:first-child { width: 84px; }
.beat-number { display: block; color: var(--brown); font-family: var(--display); font-size: 1.45rem; }
.beat-time { color: var(--muted); font-size: 0.68rem; white-space: nowrap; }

.product-chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.7rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brown);
  font-size: 0.66rem;
  font-weight: 600;
  line-height: 1.2;
}

.rules-list { margin: 0; padding: 0; list-style: none; }
.rule {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr) auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--line);
}
.rule:last-child { border-bottom: 1px solid var(--line); }
.rule-number { color: var(--gold); font-family: var(--display); font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1; }
.rule-copy { color: var(--brown); font-family: var(--display); font-size: clamp(1.35rem, 3vw, 1.85rem); line-height: 1.2; }

.direction-note {
  margin: var(--space-5) 0 0;
  padding: var(--space-4) 0;
  border-top: 1px solid var(--brown);
  border-bottom: 1px solid var(--brown);
  color: var(--brown);
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.35;
  text-align: center;
}

.storyboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.storyboard-grid--single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 960px;
  margin-inline: auto;
}
.storyboard { margin: 0; }
.storyboard-button {
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: var(--radius-media);
  background: none;
  cursor: zoom-in;
  overflow: hidden;
}
.storyboard-button img { width: 100%; aspect-ratio: 3 / 2; object-fit: contain; transition: transform 450ms var(--ease); }
.storyboard-button:hover img { transform: scale(1.018); }
.storyboard-button:focus-visible, .lightbox-close:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.storyboard figcaption { color: var(--brown); font-size: 0.76rem; font-weight: 600; }
.disclaimer { max-width: 720px; margin-top: var(--space-3); }

.products-section, .compliance-section, .asks-section { width: min(calc(100% - (2 * var(--page-gutter))), 960px); }
.product-list { border-top: 1px solid var(--brown); }
.product-row {
  display: grid;
  grid-template-columns: minmax(160px, 0.42fr) 1fr;
  gap: var(--space-4);
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}
.product-row h3 { margin: 0; color: var(--brown); font-family: var(--display); font-size: 1.3rem; font-weight: 400; }
.product-row p { margin: 0; color: var(--muted); }
.product-note {
  max-width: 68ch;
  margin: var(--space-4) 0 0;
  color: var(--brown);
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  line-height: 1.45;
}

.check-list { display: grid; gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--brown); list-style: none; }
.check-list li {
  display: grid;
  grid-template-columns: 1.5rem 1fr;
  gap: var(--space-2);
  align-items: start;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.check { color: var(--gold); font-size: 0.84rem; font-weight: 600; }

.asks-list { margin: 0 0 var(--space-5); padding: 0; border-top: 1px solid var(--brown); list-style: none; }
.asks-list li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: var(--space-2);
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
}
.asks-list li > span { color: var(--gold); font-family: var(--display); font-size: 1.35rem; }
.asks-list p { margin: 0; }

.timeline-wrap {
  padding: var(--space-4) 0;
  border-top: 1px solid var(--brown);
  border-bottom: 1px solid var(--brown);
  color: var(--brown);
}
.timeline-label { margin-bottom: var(--space-2); }
.timeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); margin: 0; padding: 0; list-style: none; }
.timeline li { position: relative; display: grid; gap: 0.2rem; padding-right: var(--space-3); }
.timeline li:not(:last-child)::after { content: "→"; position: absolute; top: 0.1rem; right: 1rem; color: var(--gold); }
.timeline span { color: var(--muted); font-size: 0.72rem; }
.timeline strong { font-family: var(--display); font-size: 1.05rem; font-weight: 400; }

footer { padding: var(--space-4) 1.25rem; border-top: 1px solid var(--line); color: var(--muted); text-align: center; }
footer p { margin: 0; font-size: 0.75rem; }
.contact-footer { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.25rem var(--space-3); }
.contact-footer a {
  min-height: 2.75rem;
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  color: inherit;
  font-size: 0.78rem;
  text-decoration: none;
  text-underline-offset: 0.2em;
}
.contact-footer a:hover { color: var(--brown); text-decoration: underline; }
.contact-footer a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.instagram-icon { width: 1rem; height: 1rem; flex: none; }

.deck-rail {
  position: fixed;
  z-index: 20;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  min-height: calc(var(--deck-rail-height) + var(--deck-safe-bottom));
  padding: 0.35rem max(1rem, var(--page-gutter)) var(--deck-safe-bottom);
  border-top: 1px solid var(--line);
  background: oklch(0.994 0.005 72 / 0.97);
  box-shadow: 0 -8px 24px oklch(0.31 0.028 50 / 0.045);
  color: var(--brown);
}

.deck-label,
.deck-progress {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.deck-label {
  overflow: hidden;
  padding-right: var(--space-2);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.deck-progress {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.deck-controls {
  display: flex;
  margin-left: var(--space-2);
}

[data-deck-previous],
[data-deck-next] {
  display: grid;
  min-width: 2.75rem;
  min-height: 2.75rem;
  place-items: center;
  border: 0;
  border-left: 1px solid var(--line);
  background: transparent;
  color: var(--brown);
  cursor: pointer;
}

[data-deck-previous]:disabled,
[data-deck-next]:disabled {
  color: var(--line);
  cursor: default;
}

[data-deck-previous]:focus-visible,
[data-deck-next]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -4px;
}

.lightbox {
  width: min(94vw, 1120px);
  max-height: 92svh;
  padding: 3rem 1rem 1rem;
  border: 0;
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 0 30px 100px oklch(0.22 0.03 50 / 0.34);
}
.lightbox::backdrop { background: oklch(0.2 0.025 50 / 0.8); }
.lightbox img { max-height: calc(92svh - 7rem); margin: 0 auto; object-fit: contain; }
.lightbox p { margin: 0.75rem 0 0; color: var(--muted); font-size: 0.75rem; text-align: center; }
.lightbox-close {
  position: absolute;
  top: 0.6rem;
  right: 0.7rem;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
  color: var(--brown);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
}

.reveal { opacity: 0; transform: translateY(8px); transition: opacity 620ms var(--ease), transform 620ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.load-error { padding: var(--space-5) 1.25rem; text-align: center; }

@media (min-width: 900px) {
  .hero--media {
    min-height: 100svh;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas: "media copy";
  }

  .hero-media { height: auto; min-height: 100%; }
  .hero-inner {
    min-height: 100%;
    padding: clamp(4rem, 5.5vw, 5.5rem);
  }

  .motion-section {
    display: grid;
    grid-template-columns: minmax(0, 1.22fr) minmax(360px, 1fr);
    gap: clamp(3rem, 7vw, 7rem);
    align-items: start;
  }
  .motion-section .section-head { padding-top: var(--space-5); }

  .compliance-section {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.2fr);
    gap: clamp(3rem, 7vw, 6rem);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .storyboards-section {
    display: grid;
    grid-template-columns: minmax(15rem, 0.32fr) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
    align-content: center;
    align-items: center;
  }
  .edit-overview-copy {
    align-self: start;
    padding-top: var(--space-1);
  }
  .edit-overview-copy .section-head { margin-bottom: var(--space-3); }
  .edit-overview-copy .storyboard-classification { margin-bottom: 0; }
  .storyboards-section .storyboard-grid {
    max-width: none;
  }
}

@media (max-width: 699px) {
  .hero-media { height: clamp(27rem, 62svh, 35rem); }
  .hero-inner { padding: var(--space-4) var(--page-gutter); }
  .section { width: min(calc(100% - (2 * var(--page-gutter))), 720px); }
  .concept-section { width: 100%; }
  .chapter:not(.hero):not(.concept-section) {
    padding-bottom: calc(var(--deck-rail-height) + var(--deck-safe-bottom) + var(--space-3));
  }
  .chapter:not(.hero).compliance-section {
    padding-bottom: calc(var(--space-6) + var(--deck-rail-height) + var(--deck-safe-bottom));
  }
  .deck-rail {
    grid-template-columns: minmax(0, 1fr) auto auto;
    padding-right: 0.35rem;
    padding-left: 1rem;
  }

  .beats-table-wrap { display: none; }
  .beats-cards { display: grid; }
  .beat-card { padding: 1.25rem 0; border-top: 1px solid var(--line); }
  .beat-card:last-child { border-bottom: 1px solid var(--line); }
  .beat-card-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.65rem; }
  .beat-card .beat-number { font-size: 1.7rem; }
  .beat-film { margin-bottom: 0.65rem; color: var(--brown); font-weight: 500; line-height: 1.5; }
  .beat-vo { margin-bottom: 0.8rem; color: var(--muted); font-family: var(--display); font-size: 1rem; }

  .rule { grid-template-columns: 3.5rem minmax(0, 1fr); }
  .rule .product-chip { grid-column: 2; justify-self: start; }
  .storyboard-grid { grid-template-columns: 1fr; }
  .lightbox {
    inset: 0;
    width: 100vw;
    max-width: none;
    height: 100svh;
    max-height: none;
    margin: 0;
    padding: 3.75rem 0 1.25rem;
    overflow: auto;
    overscroll-behavior: contain;
  }
  .lightbox img {
    width: 48rem;
    max-width: none;
    max-height: none;
    margin: 0;
  }
  .lightbox-close { position: fixed; }
  .product-row { grid-template-columns: 1fr; gap: 0.2rem; }
}

@media (max-width: 520px) {
  .timeline { grid-template-columns: 1fr; gap: 0; }
  .timeline li {
    grid-template-columns: 1fr auto;
    gap: var(--space-2);
    padding: 0.75rem 0 1rem;
    border-bottom: 1px solid var(--line);
  }
  .timeline li:last-child { border-bottom: 0; }
  .timeline li:not(:last-child)::after {
    content: "↓";
    top: auto;
    right: 0;
    bottom: -0.75rem;
  }
  .timeline span, .timeline strong { font-size: 0.88rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; scroll-snap-type: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .storyboard-button img { transition: none; }
}