/* v9hstk.github.io — operator brief (landing) + case-study exhibits */

@font-face {
  font-family: "Arcadia Display";
  src: url("../fonts/ArcadiaDisplay-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Arcadia Text";
  src: url("../fonts/ArcadiaText-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #fbfcfd;
  --bg-elevated: #ffffff;
  --ink: #1e1e2a;
  --ink-soft: #5a5a6b;
  --ink-faint: #70707d;
  --line: #7073931a;
  --signal: #5266eb;
  --signal-hover: #465bd1;
  --signal-fg: #ffffff;
  --focus: #5266eb;
  --card-bg: #ffffff;
  --exhibit-bg: #ededf3;
  --muted: #f4f5f9;
  --badge-bg: #ededf3;
  --badge-text: #1e1e2a;
  --tbd-color: #70707d;
  --text-primary: var(--ink);
  --text-secondary: var(--ink-soft);
  --text-tertiary: var(--ink-faint);
  --accent: var(--signal);
  --accent-hover: var(--signal-hover);
  --accent-fg: var(--signal-fg);
  --border: var(--line);
  --focus-ring: var(--focus);
  --radius: 6px;
  --shadow-sm: 0 12px 32px rgba(23, 23, 33, 0.08);
  --font-display: "Arcadia Display", "Arcadia Text", -apple-system, sans-serif;
  --font-body: "Arcadia Text", -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 1120px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
}

[data-theme="dark"] {
  --bg: #171721;
  --bg-elevated: #1e1e2a;
  --ink: #ededf3;
  --ink-soft: #c3c3cc;
  --ink-faint: #70707d;
  --line: rgba(112, 115, 147, 0.16);
  --signal: #5266eb;
  --signal-hover: #465bd1;
  --signal-fg: #ffffff;
  --focus: #5266eb;
  --card-bg: #1e1e2a;
  --exhibit-bg: #272732;
  --muted: #1e1e2a;
  --badge-bg: #272732;
  --badge-text: #ededf3;
  --tbd-color: #70707d;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  position: relative;
  min-height: 100vh;
}

.atmosphere {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(156, 180, 232, 0.18), transparent 50%),
    linear-gradient(180deg, #fbfcfd 0%, #ededf3 100%);
  opacity: 1;
}

[data-theme="dark"] .atmosphere {
  background:
    radial-gradient(ellipse 70% 50% at 0% -10%, rgba(156, 180, 232, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(205, 221, 255, 0.12), transparent 50%),
    linear-gradient(165deg, #171721 0%, #1e1e2a 100%);
}

a {
  color: var(--ink-soft);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
}

/* —— Header —— */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.85rem var(--pad);
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}

.mark {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 480;
  letter-spacing: 0.01em;
  color: var(--ink) !important;
  text-decoration: none !important;
}

.nav-rail {
  display: flex;
  gap: 1rem;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.nav-rail::-webkit-scrollbar {
  display: none;
}

.nav-rail a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft) !important;
  text-decoration: none !important;
  white-space: nowrap;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.nav-rail a:hover {
  color: var(--ink) !important;
  border-color: var(--line);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.lang-select {
  min-width: 7.5rem;
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.2;
  color: var(--ink);
  background-color: transparent;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23888' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.35rem center;
  background-size: 0.5rem 0.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.28rem 1.25rem 0.28rem 0.55rem;
  max-width: 11rem;
  cursor: pointer;
}

.lang-select:hover,
.lang-select:focus {
  color: var(--ink);
  border-color: var(--ink-faint);
  outline: none;
}

.lang-select:focus-visible {
  outline: 2px solid var(--accent, #2c5282);
  outline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lang-case-note {
  display: none;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

@media (min-width: 720px) {
  .lang-case-note {
    display: inline;
  }
}

.btn-ghost {
  display: none;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink) !important;
  text-decoration: none !important;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  border-color: var(--line);
  color: var(--ink) !important;
}

.theme-toggle {
  width: 2.25rem;
  height: 2.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 0.95rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.theme-toggle:hover {
  color: var(--ink);
  border-color: var(--line);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-moon {
  display: inline;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: inline;
}

@media (min-width: 720px) {
  .nav-rail {
    justify-content: center;
    overflow: visible;
    gap: 1.5rem;
  }

  .nav-rail a {
    border: none;
    padding: 0;
  }

  .btn-ghost {
    display: inline-flex;
  }
}

/* —— Main —— */

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 4rem;
}

/* —— Hero —— */

.hero {
  display: grid;
  gap: 2.5rem;
  padding: clamp(2.5rem, 8vh, 5rem) 0 clamp(3rem, 8vh, 5rem);
  border-bottom: 1px solid var(--line);
  animation: rise 0.7s ease both;
}

@media (min-width: 900px) {
  .hero {
    gap: 3.5rem;
    align-items: end;
    padding-top: clamp(3rem, 10vh, 6rem);
    padding-bottom: clamp(3rem, 8vh, 5rem);
  }

  .hero:has(.hero-signal) {
    grid-template-columns: 1.35fr 0.85fr;
  }

  .hero.hero-solo {
    grid-template-columns: 1fr;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.eyebrow {
  margin: 0 0 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero h1 {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 440;
  line-height: 1.02;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.thesis {
  margin: 0 0 1.25rem;
  max-width: none;
  font-size: 1.0625rem;
  line-height: 1.625;
  color: var(--ink-soft);
}

.thesis em {
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 480;
  color: var(--ink);
}

.credentials {
  margin: 0 0 2rem;
  max-width: none;
  font-size: 0.875rem;
  color: var(--ink-faint);
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.625rem 1.125rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #ffffff !important;
  background: #5266eb;
  border: none;
  border-radius: var(--radius);
  text-decoration: none !important;
  transition: background 0.2s ease;
}

.btn-primary:hover {
  background: #465bd1;
  text-decoration: none !important;
}

.btn-primary:active {
  background: #3442a6;
}

.btn-text {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--ink) !important;
  text-decoration: none !important;
}

.btn-text:hover {
  color: var(--ink-soft) !important;
}

.hero-signal {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card-bg);
  animation: rise 0.85s ease 0.12s both;
}

@media (min-width: 900px) {
  .hero-signal {
    padding: 1.5rem;
    border-left: 1px solid var(--line);
  }
}

.signal-label {
  margin: 0 0 1.25rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.signal-list {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.signal-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.75rem;
}

.signal-k {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--ink-faint);
  line-height: 1.4;
}

.signal-list strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  color: var(--ink);
}

.signal-list span {
  display: block;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.contact-compact {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
}

.contact-compact a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-soft) !important;
  text-decoration: none !important;
}

.contact-compact a:hover {
  color: var(--ink) !important;
}

/* —— Social + cases (replaces highlights) —— */

.social-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.75rem;
  margin: 0 0 2.5rem;
}

.social-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.25rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-bg);
  color: var(--ink) !important;
  font-size: 0.8125rem;
  font-weight: 500;
  text-decoration: none !important;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.social-chip:hover {
  border-color: var(--ink-faint);
  background: var(--muted);
  text-decoration: none !important;
}

.social-chip .social-handle {
  color: var(--ink-faint);
  font-weight: 400;
}

.cases-social-note {
  margin: 0 0 1rem;
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

/* —— Bands —— */

.band {
  padding: clamp(2.5rem, 6vh, 3.75rem) 0;
  border-bottom: 1px solid var(--line);
}

.band-head {
  margin-bottom: 1.75rem;
  max-width: 36rem;
}

.band-head h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 480;
  letter-spacing: 0.01em;
  line-height: 1.15;
}

.band-head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.975rem;
}

/* —— Video —— */

.video-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: var(--muted);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* —— Case rows —— */

.case-rows {
  display: grid;
  gap: 0.75rem;
  border-top: none;
}

.case-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem 1.25rem;
  align-items: center;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card-bg);
  color: inherit !important;
  text-decoration: none !important;
  transition: background 0.2s ease;
}

.case-row:hover {
  background: #dddde5;
}

[data-theme="dark"] .case-row:hover {
  background: #272732;
}

.case-index {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--ink-faint);
}

.case-body h3 {
  margin: 0 0 0.35rem;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.case-body p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-soft);
  max-width: 40rem;
}

.case-go {
  font-size: 1.35rem;
  color: var(--ink-faint);
  transition: transform 0.2s ease;
}

.case-row:hover .case-go {
  transform: translateX(4px);
}

.case-row--soon {
  cursor: default;
  opacity: 0.72;
  pointer-events: none;
}

.case-row--soon:hover {
  background: var(--card-bg);
}

.case-soon {
  align-self: center;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* —— Ledger / proof —— */

.ledger h3 {
  margin: 1.5rem 0 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ledger h3:first-child {
  margin-top: 0;
}

.proof-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.proof-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .proof-list li {
    grid-template-columns: minmax(9rem, 14rem) 1fr auto;
    align-items: baseline;
  }
}

.proof-list .proof-title {
  font-weight: 600;
  color: var(--ink);
  font-size: 0.9rem;
}

.proof-list .proof-desc {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.proof-list .proof-link {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-soft) !important;
  text-decoration: none !important;
  white-space: nowrap;
}

.proof-list .proof-link:hover {
  text-decoration: underline !important;
}

.ledger-meta {
  margin: 1.25rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

/* —— Resumes —— */

.resume-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 560px) {
  .resume-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.resume-tile {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-elevated) 70%, transparent);
  color: inherit !important;
  text-decoration: none !important;
  transition: background 0.2s ease;
}

.resume-tile:hover {
  border-color: var(--line);
  background: #dddde5;
}

[data-theme="dark"] .resume-tile:hover {
  background: #272732;
}

.resume-market {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.resume-file {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* —— Footer —— */

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.75rem var(--pad) 2.5rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--ink-faint);
}

.footer-sep {
  opacity: 0.5;
}

.site-header .back-link {
  font-size: 0.875rem;
  color: var(--ink-soft) !important;
  text-decoration: none !important;
}

.site-header .back-link:hover {
  color: var(--ink) !important;
}

/* —— Case study pages —— */

.case-study {
  scroll-padding-top: 1rem;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.case-hero {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.case-hero h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.case-hero .subtitle {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.case-section {
  margin-bottom: 2.5rem;
}

.case-section h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 400;
}

.case-section p {
  margin: 0 0 1rem;
  color: var(--ink-soft);
}

.case-section p:last-child {
  margin-bottom: 0;
}

.case-section .placeholder {
  font-style: italic;
  color: var(--ink-faint);
}

.case-list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--ink-soft);
}

.case-list li {
  margin-bottom: 0.5rem;
}

.exhibit {
  margin: 1.5rem 0 0;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--exhibit-bg);
  overflow: hidden;
}

.exhibit-label {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
  background: var(--card-bg);
  border-bottom: 1px solid var(--line);
}

.exhibit-body {
  padding: 1rem;
}

.exhibit-placeholder {
  text-align: center;
}

.exhibit-note,
.exhibit-footnote {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--ink-faint);
  line-height: 1.5;
}

.exhibit-subhead {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ink);
}

.exhibit-two-col {
  display: grid;
  gap: 1rem;
}

@media (min-width: 480px) {
  .exhibit-two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.exhibit-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--ink-soft);
  font-size: 0.8125rem;
}

.exhibit-list li {
  margin-bottom: 0.35rem;
}

.exhibit-list.numbered {
  list-style: decimal;
}

.placeholder-list {
  font-style: italic;
  color: var(--ink-faint);
}

.exhibit-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.exhibit-steps li {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--card-bg);
  border: 1px solid var(--line);
}

.exhibit-steps li:not(:last-child)::after {
  content: "→";
  margin-left: 0.5rem;
  color: var(--ink-faint);
}

.exhibit-timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.exhibit-timeline li {
  position: relative;
  padding: 0.5rem 0 0.5rem 5.5rem;
  border-left: 2px solid var(--line);
  margin-left: 4rem;
  color: var(--ink-soft);
  font-size: 0.8125rem;
}

.exhibit-timeline li:last-child {
  border-left-color: transparent;
}

.timeline-date {
  position: absolute;
  left: -4.5rem;
  width: 3.5rem;
  font-weight: 600;
  color: var(--ink);
  text-align: right;
}

.exhibit-svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  color: var(--ink);
}

.exhibit-curve {
  max-height: 280px;
}

.exhibit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.exhibit-table th,
.exhibit-table td {
  padding: 0.55rem 0.65rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.exhibit-table th {
  font-weight: 600;
  color: var(--ink);
  background: var(--card-bg);
}

.exhibit-table td {
  color: var(--ink-soft);
}

.exhibit-table tbody tr:last-child td,
.exhibit-table tbody tr:last-child th {
  border-bottom: none;
}

.tbd {
  color: var(--tbd-color);
  font-style: italic;
}

.asterisk {
  color: var(--ink-faint);
  font-weight: 600;
  margin-left: 0.1em;
}

.metrics-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.metrics-table th,
.metrics-table td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.metrics-table th {
  font-weight: 600;
  color: var(--ink);
  width: 45%;
}

.metrics-table td {
  color: var(--ink-soft);
}

.exhibit-metrics {
  font-size: 0.8125rem;
}

.pdf-embed {
  margin: 0.75rem 0 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--card-bg);
}

.pdf-embed object,
.pdf-embed iframe {
  display: block;
  width: 100%;
  height: 360px;
  border: 0;
}

.pdf-download {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
}

.placeholder-page {
  text-align: center;
  padding: 4rem 0;
  max-width: 720px;
  margin: 0 auto;
}

.placeholder-page h1 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 400;
}

.placeholder-page p {
  margin: 0;
  color: var(--ink-faint);
}

@media (max-width: 480px) {
  .case-row {
    grid-template-columns: auto 1fr;
  }

  .case-go {
    display: none;
  }

  .exhibit-timeline li {
    padding-left: 4rem;
    margin-left: 3rem;
  }

  .timeline-date {
    left: -3.5rem;
    width: 3rem;
    font-size: 0.75rem;
  }

  .pdf-embed object,
  .pdf-embed iframe {
    height: 240px;
  }
}

/* —— RTL (Arabic) —— */

html[dir="rtl"] {
  direction: rtl;
}

html[dir="rtl"] body {
  font-family: "Noto Sans Arabic", var(--font-body);
}

html[dir="rtl"] .lang-select {
  background-position: left 0.35rem center;
  padding: 0.28rem 0.55rem 0.28rem 1.25rem;
}

html[dir="rtl"] .case-go,
html[dir="rtl"] .btn-text {
  unicode-bidi: isolate;
}

html[dir="rtl"] .exhibit-timeline li {
  padding-left: 0;
  padding-right: 5rem;
  margin-left: 0;
  margin-right: 4rem;
  border-left: none;
  border-right: 1px solid var(--line);
}

html[dir="rtl"] .timeline-date {
  left: auto;
  right: -4.5rem;
}

@media (max-width: 480px) {
  html[dir="rtl"] .exhibit-timeline li {
    padding-right: 4rem;
    margin-right: 3rem;
  }

  html[dir="rtl"] .timeline-date {
    right: -3.5rem;
  }
}

html[lang="zh"],
html[lang="zh-Hans"] {
  font-family: "Noto Sans SC", var(--font-body);
}

html[lang="zh"] .hero h1,
html[lang="zh-Hans"] .hero h1,
html[lang="zh"] .band-head h2,
html[lang="zh-Hans"] .band-head h2,
html[lang="ar"] .hero h1,
html[lang="ar"] .band-head h2 {
  letter-spacing: 0;
}