:root {
  --bg: #110d0b;
  --bg-soft: #1d1511;
  --panel: rgba(25, 18, 14, 0.86);
  --panel-strong: rgba(34, 24, 18, 0.94);
  --line: rgba(227, 196, 164, 0.18);
  --line-strong: rgba(227, 196, 164, 0.36);
  --text: #f7efe7;
  --muted: #c8b3a0;
  --dim: #9d8571;
  --accent: #f3a65a;
  --accent-soft: #ffd6ab;
  --accent-hot: #ffbf7d;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.35);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Georgia", serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(243, 166, 90, 0.14), transparent 24rem),
    radial-gradient(circle at 85% 20%, rgba(255, 214, 171, 0.1), transparent 18rem),
    linear-gradient(180deg, #140f0d 0%, #0d0908 45%, #17100d 100%);
  font-family: var(--mono);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 4px, 4px 100%;
  mix-blend-mode: soft-light;
  opacity: 0.28;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 5rem;
}

.masthead,
.concept-card,
.timeline-body,
.evidence-card,
.rumor-card,
.interface-panel,
.hero-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(36, 26, 20, 0.92), rgba(18, 13, 10, 0.9));
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.masthead::before,
.concept-card::before,
.timeline-body::before,
.evidence-card::before,
.rumor-card::before,
.interface-panel::before,
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 28%);
}

.masthead {
  padding: 1.1rem;
  background:
    radial-gradient(circle at top right, rgba(243, 166, 90, 0.14), transparent 24rem),
    linear-gradient(180deg, rgba(36, 26, 20, 0.94), rgba(18, 13, 10, 0.92));
}

.masthead-top,
.masthead-tools,
.social-links,
.hero-actions,
.hero-nav,
.panel-heading,
.evidence-tags {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.masthead-top {
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
  align-items: center;
}

.masthead-tools {
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
}

.social-links {
  justify-content: flex-end;
  gap: 0.75rem;
}

.masthead-brand {
  display: grid;
  gap: 0.45rem;
}

.eyebrow,
.card-index,
.timeline-stamp,
.source-note,
.panel-heading,
.transcript span {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.eyebrow,
.panel-heading,
.card-index,
.timeline-stamp,
.source-note,
.transcript span {
  color: var(--accent-soft);
}

.social-link,
.hero-nav a,
.evidence-tags span {
  min-height: 3.5rem;
  padding: 0.5rem 0.72rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease;
}

.masthead-meta {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--dim);
}

.social-link-icon {
  width: 1.1rem;
  height: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-soft);
}

.social-link-icon-pump {
  border-radius: 999px;
  overflow: hidden;
  width: 2rem;
  height: 1.1rem;
  border: 1px solid rgba(203, 255, 78, 0.52);
  background:
    linear-gradient(90deg, #d4ff4e 0 48%, #ffffff 48% 100%);
  box-shadow: inset 0 0 0 1px rgba(8, 14, 5, 0.08);
}

.social-link-icon-pump img {
  width: 0;
  height: 0;
  display: none;
}

.social-link-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.9fr);
  gap: 1rem;
  align-items: start;
}

.hero-copy {
  padding: 1rem 0.35rem 0.25rem;
  position: relative;
}

.kicker {
  color: var(--accent);
  margin: 0 0 0.9rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  line-height: 0.98;
}

h1 {
  font-size: clamp(3.4rem, 8vw, 6.5rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  max-width: 14ch;
}

h3 {
  font-size: 1.5rem;
  line-height: 1.08;
}

p {
  margin: 0;
  line-height: 1.7;
}

.hero-text {
  max-width: 65ch;
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 1.02rem;
  text-wrap: pretty;
}

.hero-nav {
  margin-top: 1.4rem;
}

.hero-actions {
  margin-top: 1.4rem;
}

.sound-toggle,
.hero-nav a {
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease;
}

.sound-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3.5rem;
  border: 1px solid rgba(255, 214, 171, 0.28);
  background:
    linear-gradient(180deg, rgba(243, 166, 90, 0.22), rgba(243, 166, 90, 0.08)),
    rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0;
  cursor: pointer;
  flex: 0 0 auto;
}

.sound-toggle:hover,
.sound-toggle:focus-visible,
.social-link:hover,
.social-link:focus-visible,
.hero-nav a:hover,
.hero-nav a:focus-visible {
  transform: translateY(-2px) scale(1.01);
  border-color: var(--line-strong);
  color: var(--text);
  box-shadow: 0 0 0 1px rgba(243, 166, 90, 0.18);
  outline: none;
}

.social-link:hover .social-link-icon,
.social-link:focus-visible .social-link-icon {
  color: var(--accent-hot);
}

.sound-toggle[aria-pressed="true"] {
  background:
    linear-gradient(180deg, rgba(243, 166, 90, 0.45), rgba(243, 166, 90, 0.16)),
    rgba(255, 255, 255, 0.06);
  border-color: var(--line-strong);
  box-shadow: 0 0 0 1px rgba(243, 166, 90, 0.18), 0 0 28px rgba(243, 166, 90, 0.14);
}

.sound-toggle-icon {
  width: 1.15rem;
  height: 1.15rem;
  line-height: 1;
}

.sound-toggle-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.sound-note {
  color: var(--dim);
  font-size: 0.82rem;
  padding: 0.7rem 0.9rem;
  border-left: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.035), transparent 80%);
  max-width: 32rem;
}

.hero-nav a.is-active {
  color: var(--text);
  border-color: var(--line-strong);
  background: rgba(243, 166, 90, 0.12);
}

.token-footer {
  margin-top: 3.2rem;
}

.token-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(34, 24, 18, 0.94), rgba(18, 13, 10, 0.9)),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
  text-align: center;
}

.token-strip-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent-soft);
}

.token-strip-value {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-size: 0.78rem;
  word-break: break-all;
  text-align: center;
}

.token-copy-button {
  border: 1px solid rgba(255, 214, 171, 0.28);
  background:
    linear-gradient(180deg, rgba(243, 166, 90, 0.18), rgba(243, 166, 90, 0.06)),
    rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.6rem 0.82rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease;
}

.token-copy-button:hover,
.token-copy-button:focus-visible {
  transform: translateY(-2px) scale(1.01);
  border-color: var(--line-strong);
  color: var(--text);
  box-shadow: 0 0 0 1px rgba(243, 166, 90, 0.18);
  outline: none;
}

.hero-panel,
.interface-panel,
.evidence-card,
.rumor-card,
.concept-card,
.timeline-body {
  padding: 1.15rem;
}

.hero-panel {
  backdrop-filter: blur(10px);
}

.summary-list,
.evidence-card ul {
  margin: 1rem 0 0;
  padding-left: 1rem;
  color: var(--muted);
  display: grid;
  gap: 0.7rem;
}

.section {
  margin-top: 4.5rem;
  scroll-margin-top: 1rem;
  transition: transform 180ms ease, filter 180ms ease;
}

.section.is-current {
  transform: translateY(-0.18rem);
  filter: saturate(1.08);
}

.section-head {
  margin-bottom: 1.4rem;
}

.section-head h2 {
  margin-top: 0.3rem;
}

.concept-grid,
.evidence-grid,
.split-grid {
  display: grid;
  gap: 1rem;
}

.concept-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.concept-card {
  min-height: 15rem;
  display: grid;
  align-content: start;
  gap: 0.95rem;
  background:
    linear-gradient(180deg, rgba(40, 29, 22, 0.96), rgba(18, 13, 10, 0.92)),
    rgba(0, 0, 0, 0.18);
}

.concept-card p {
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 1.2rem;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 9.3rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--line-strong), transparent);
}

.timeline-item {
  display: grid;
  grid-template-columns: 8.2rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.timeline-stamp {
  padding-top: 0.5rem;
  color: var(--muted);
}

.timeline-stamp .date,
.timeline-stamp .time {
  display: block;
}

.timeline-body {
  position: relative;
}

.timeline-body::after {
  content: "";
  position: absolute;
  left: -1.42rem;
  top: 1.1rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(243, 166, 90, 0.12);
}

.timeline-body p,
.rumor-card p {
  color: var(--muted);
  margin-top: 0.8rem;
}

.concept-card,
.timeline-item,
.evidence-card,
.rumor-card,
.interface-panel,
.hero-panel {
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.concept-card:hover,
.timeline-item:hover .timeline-body,
.evidence-card:hover,
.rumor-card:hover,
.interface-panel:hover,
.hero-panel:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.48);
}

.evidence-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.source-note {
  margin-top: 1rem;
  color: var(--dim);
}

.split-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.transcript {
  margin-top: 1rem;
  min-height: 12rem;
  max-height: 18rem;
  overflow: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  background: rgba(10, 7, 6, 0.72);
  display: grid;
  gap: 0.8rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.transcript p {
  color: var(--muted);
}

.prompt-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  margin-top: 1rem;
}

.prompt-form input,
.prompt-form button {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 0.9rem 1rem;
}

.prompt-form input::placeholder {
  color: var(--dim);
}

.prompt-form button {
  background: linear-gradient(180deg, rgba(243, 166, 90, 0.28), rgba(243, 166, 90, 0.15));
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease;
}

.prompt-form button:hover,
.prompt-form button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  outline: none;
}

.reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  filter: blur(6px);
  transition: opacity 260ms ease, transform 260ms ease, filter 260ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.cut-flash {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background:
    linear-gradient(180deg, rgba(255, 240, 222, 0.12), transparent 35%),
    linear-gradient(90deg, rgba(243, 166, 90, 0.18), transparent 40%, rgba(243, 166, 90, 0.12));
  mix-blend-mode: screen;
}

.cut-flash.is-active {
  animation: cut-flash 180ms linear;
}

body.sound-ready .masthead {
  box-shadow: 0 0 0 1px rgba(243, 166, 90, 0.06), var(--shadow);
}

body.sound-ready .hero-copy::after {
  content: "";
  position: absolute;
  left: -1rem;
  top: 0.4rem;
  width: clamp(8rem, 22vw, 14rem);
  height: 1px;
  background: linear-gradient(90deg, rgba(243, 166, 90, 0.45), transparent);
  opacity: 0.8;
}

@keyframes cut-flash {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scaleY(1.02);
  }

  35% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate3d(0, 0, 0) scaleY(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .section,
  .concept-card,
  .timeline-item,
  .evidence-card,
  .rumor-card,
  .interface-panel,
  .hero-panel,
  .sound-toggle,
  .social-link,
  .hero-nav a,
  .prompt-form button {
    transition: none;
    animation: none;
  }
}

@media (max-width: 980px) {
  .hero-grid,
  .concept-grid,
  .evidence-grid,
  .split-grid,
  .timeline-item,
  .prompt-form {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    display: none;
  }

  .timeline-body::after {
    left: auto;
    right: 1rem;
  }

  .page-shell {
    width: min(100%, calc(100% - 1rem));
  }

  h1 {
    max-width: 9ch;
  }
}

@media (max-width: 640px) {
  .masthead,
  .hero-panel,
  .interface-panel,
  .evidence-card,
  .rumor-card,
  .concept-card,
  .timeline-body {
    padding: 1rem;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .masthead-top,
  .masthead-tools {
    display: block;
  }

  .masthead-brand {
    gap: 0.35rem;
  }

  .social-links {
    margin-top: 0.75rem;
    justify-content: flex-start;
  }

  .hero-actions {
    align-items: flex-start;
  }

  .sound-toggle {
    margin-top: 0.75rem;
  }

  .sound-note {
    max-width: none;
  }
}