:root {
  --ink-strong: #132236;
  --ink: #1f3149;
  --ink-soft: #5a697c;
  --ink-muted: #7d8694;
  --accent: #8a6037;
  --accent-deep: #6c4b2b;
  --paper: #f8f3e9;
  --line: rgba(19, 34, 54, 0.12);
  --line-strong: rgba(19, 34, 54, 0.2);
  --navy-panel: #17263b;
  --navy-panel-soft: #233752;
  --gold: #d4a847;
  --shadow-card: 0 18px 40px rgba(19, 34, 54, 0.1);
  --shadow-deep: 0 30px 80px rgba(19, 34, 54, 0.15);
  --radius-lg: 30px;
  --radius-md: 22px;
  --radius-sm: 14px;
  --transition: 220ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(138, 96, 55, 0.11), transparent 28%),
    radial-gradient(circle at top right, rgba(23, 38, 59, 0.09), transparent 34%),
    linear-gradient(180deg, #fcfaf5 0%, #f4efe4 48%, #fbf8f1 100%);
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(19, 34, 54, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(19, 34, 54, 0.025) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.16), transparent 70%);
}

.container.is-max-widescreen {
  max-width: min(1248px, calc(100% - 3rem)) !important;
}

.hero-section {
  padding: 2rem 1.5rem 1.2rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 3.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 243, 233, 0.8));
  box-shadow: var(--shadow-deep);
  backdrop-filter: blur(14px);
  animation: rise-in 700ms ease both;
}

.hero-panel::before {
  content: "";
  position: absolute;
  top: -6rem;
  right: -4rem;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 96, 55, 0.18), rgba(138, 96, 55, 0));
}

.hero-panel::after {
  content: "";
  position: absolute;
  left: -4rem;
  bottom: -8rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 38, 59, 0.09), rgba(23, 38, 59, 0));
}

.hero-topline,
.hero-center,
.publication-links,
.highlight-grid,
.footer-layout {
  position: relative;
  z-index: 1;
}

.hero-topline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(138, 96, 55, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow-copy {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.hero-center {
  max-width: 66rem;
  margin: 0 auto;
  text-align: center;
}

.hero-kicker {
  margin-bottom: 1.1rem;
  color: var(--accent-deep);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.publication-title {
  margin-bottom: 1.35rem !important;
  color: var(--ink-strong) !important;
  line-height: 0.95 !important;
}

.publication-name,
.publication-subtitle,
.title.is-3,
.highlight-card h2,
.podium-card h3,
.analysis-card h3,
.level-card h3,
.discussion-link-card h3,
.footer-mark,
.subpage-title {
  font-family: "Cormorant Garamond", Georgia, serif;
}

.publication-name {
  display: block;
  font-size: clamp(4.1rem, 10vw, 6.3rem);
  font-style: italic;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.publication-subtitle {
  display: block;
  margin-top: 0.7rem;
  max-width: 28ch;
  margin-left: auto;
  margin-right: auto;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.05;
}

.hero-summary {
  max-width: 50rem;
  margin: 0 auto 1.6rem;
  color: var(--ink-soft);
  font-size: 1.15rem;
  line-height: 1.75;
}

.author-shell {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(19, 34, 54, 0.11);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
}

.author-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.author-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.74rem;
  border: 1px solid rgba(19, 34, 54, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
}

.author-chip-lead {
  color: var(--accent-deep);
  border-color: rgba(138, 96, 55, 0.25);
  background: linear-gradient(135deg, rgba(255, 250, 243, 0.92), rgba(247, 238, 223, 0.9));
}

.author-affiliation {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.author-note {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.82rem;
}

.publication-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

.cta-button.button {
  min-height: 3.2rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border-width: 1px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
}

.cta-primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--navy-panel), var(--navy-panel-soft));
  color: #f8f5ee;
  box-shadow: 0 16px 32px rgba(23, 38, 59, 0.21);
}

.cta-primary:hover {
  color: #fff;
  transform: translateY(-2px);
}

.cta-secondary {
  border-color: rgba(19, 34, 54, 0.14);
  background: rgba(255, 255, 255, 0.68);
  color: var(--ink-strong);
}

.cta-secondary:hover {
  transform: translateY(-2px);
  color: var(--ink-strong);
}

.cta-accent {
  border-color: rgba(138, 96, 55, 0.26);
  background: linear-gradient(135deg, rgba(255, 250, 243, 0.95), rgba(247, 238, 223, 0.92));
  color: var(--accent-deep);
}

.cta-accent:hover {
  transform: translateY(-2px);
  color: var(--accent-deep);
}

.section {
  padding: 4.5rem 1.5rem;
}

.section-compact {
  padding-top: 1rem;
  padding-bottom: 2.4rem;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0.18));
  border-top: 1px solid rgba(19, 34, 54, 0.05);
  border-bottom: 1px solid rgba(19, 34, 54, 0.05);
}

.section-heading {
  max-width: 54rem;
  margin-bottom: 2rem;
}

.section-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.leaderboard-submit-btn {
  margin-top: 0.3rem;
}

.section-label {
  margin-bottom: 0.4rem;
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.title.is-3 {
  margin-bottom: 0 !important;
  color: var(--ink-strong);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 600 !important;
  line-height: 1;
}

.transparent-figure {
  margin: 0;
}

.transparent-figure img {
  width: 100%;
  height: auto;
  display: block;
}

.transparent-figure figcaption {
  padding: 0.9rem 0.4rem 0.2rem;
  color: var(--ink-soft);
  line-height: 1.65;
}

.podium-grid,
.highlight-grid,
.level-grid,
.discussion-link-grid,
.construction-text-grid,
.field-grid,
.score-grid {
  display: grid;
  gap: 1.1rem;
}

.podium-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1.1rem;
}

.podium-card,
.highlight-card,
.analysis-card,
.table-shell,
.download-shell,
.submission-shell,
.level-card,
.discussion-link-card {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
}

.podium-card {
  padding: 1.25rem 1.35rem;
}

.podium-gold {
  border-top: 4px solid var(--gold);
  background: linear-gradient(135deg, rgba(255, 251, 239, 0.96), rgba(247, 237, 214, 0.9));
}

.podium-title {
  margin: 0 0 0.35rem;
  color: var(--accent-deep);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.podium-card h3 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 1.9rem;
  line-height: 1.02;
}

.podium-score {
  margin: 0.5rem 0 0;
  color: var(--ink-soft);
}

.table-shell {
  padding: 1rem;
}

.leaderboard-table th,
.leaderboard-table td {
  border-color: rgba(19, 34, 54, 0.08) !important;
  color: var(--ink);
}

.leaderboard-table thead th {
  color: var(--ink-strong);
  font-weight: 700;
  background: rgba(248, 243, 233, 0.7);
}

.table-note {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.submission-shell {
  margin-top: 1.2rem;
  padding: 1.25rem;
}

.submission-head h3 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 1.9rem;
  line-height: 1.02;
}

.submission-head p {
  margin-top: 0.45rem;
  color: var(--ink-soft);
}

.submission-form {
  margin-top: 0.9rem;
}

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

.score-grid {
  margin-top: 0.9rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.submission-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.submission-form span {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.submission-form input,
.submission-form select {
  height: 2.65rem;
  border: 1px solid rgba(19, 34, 54, 0.2);
  border-radius: 10px;
  background: #fff;
  padding: 0 0.7rem;
  color: var(--ink);
}

.submission-form input[type="file"] {
  padding-top: 0.43rem;
}

.submission-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.submission-status {
  margin: 0.8rem 0 0;
  color: var(--accent-deep);
  font-weight: 600;
}

.submission-preview {
  margin-top: 0.7rem;
  border: 1px solid rgba(19, 34, 54, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.8);
  padding: 0.8rem;
  color: var(--ink-soft);
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 5rem;
}

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

.highlight-card,
.level-card {
  padding: 1.35rem;
}

.highlight-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(138, 96, 55, 0.16), rgba(19, 34, 54, 0.08));
  color: var(--accent-deep);
}

.highlight-card h2,
.level-card h3 {
  margin-bottom: 0.55rem;
  color: var(--ink-strong);
  font-size: 1.85rem;
  line-height: 1;
}

.highlight-card p,
.level-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

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

.construction-text-grid {
  margin-top: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.construction-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow-card);
  padding: 1rem;
}

.construction-card h3 {
  margin: 0 0 0.4rem;
  color: var(--ink-strong);
  font-size: 1.35rem;
  line-height: 1.1;
}

.construction-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.level-tag,
.discussion-tag {
  margin: 0 0 0.3rem;
  color: var(--accent-deep);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.analysis-card {
  padding: 1.75rem;
}

.card-label {
  display: inline-flex;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--accent-deep);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.component-list {
  display: grid;
  gap: 1rem;
}

.component-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(19, 34, 54, 0.08);
}

.component-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.component-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(138, 96, 55, 0.14), rgba(19, 34, 54, 0.08));
  color: var(--accent-deep);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.2rem;
  font-weight: 700;
}

.analysis-card h3 {
  margin: 0 0 0.2rem;
  color: var(--ink-strong);
  font-size: 1.45rem;
  line-height: 1.05;
}

.analysis-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}

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

.discussion-link-card {
  display: block;
  text-decoration: none;
  color: inherit;
  overflow: hidden;
}

.discussion-link-card img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  display: block;
}

.discussion-link-card div {
  padding: 1rem;
}

.discussion-link-card h3 {
  margin: 0 0 0.4rem;
  color: var(--ink-strong);
  font-size: 1.6rem;
  line-height: 1.05;
}

.discussion-link-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}

.discussion-link-card:hover {
  transform: translateY(-3px);
}

.download-shell {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
}

.download-note {
  margin-top: 0.5rem;
  color: var(--ink-soft);
}

.subpage-shell {
  max-width: 980px;
  margin: 0 auto;
}

.subpage-title {
  margin: 0 0 0.8rem;
  color: var(--ink-strong);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
}

.subpage-back {
  display: inline-flex;
  margin-top: 1rem;
}

.submission-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 1400;
}

.submission-modal.is-open {
  display: block;
}

.submission-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 18, 30, 0.56);
  backdrop-filter: blur(2px);
}

.submission-modal-content {
  position: relative;
  width: min(980px, calc(100% - 2rem));
  max-height: calc(100vh - 2rem);
  margin: 1rem auto;
  overflow: auto;
  border-radius: 24px;
}

.submission-modal-close {
  position: sticky;
  top: 0.7rem;
  float: right;
  margin: 0.7rem 0.7rem 0 0;
  z-index: 3;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(19, 34, 54, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-strong);
  cursor: pointer;
}

.submission-disabled-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2.2rem 1rem 1rem;
  background: rgba(12, 20, 34, 0.22);
  backdrop-filter: blur(4px);
}

.submission-disabled-notice {
  width: min(680px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 30px rgba(19, 34, 54, 0.2);
  padding: 0.95rem 1rem;
}

.submission-disabled-title {
  margin: 0;
  color: var(--ink-strong);
  font-weight: 700;
}

.submission-disabled-text {
  margin: 0.35rem 0 0;
  color: var(--ink-soft);
  line-height: 1.5;
}

.footer {
  padding: 2.8rem 1.5rem 3.5rem;
  background: transparent;
}

.footer-layout {
  display: flex;
  justify-content: space-between;
  gap: 1.4rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(19, 34, 54, 0.1);
}

.footer-mark {
  margin-bottom: 0.2rem;
  color: var(--ink-strong);
  font-size: 2rem;
  font-style: italic;
}

.footer-note,
.footer-meta {
  color: var(--ink-muted);
  line-height: 1.7;
}

.footer a {
  color: var(--accent-deep);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

a:focus-visible,
.button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(138, 96, 55, 0.5);
  outline-offset: 3px;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media screen and (max-width: 1023px) {
  .podium-grid,
  .highlight-grid,
  .level-grid,
  .discussion-link-grid,
  .construction-text-grid,
  .field-grid,
  .score-grid {
    grid-template-columns: 1fr;
  }

  .section-heading-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-layout {
    flex-direction: column;
  }

  .download-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media screen and (max-width: 768px) {
  .hero-section,
  .section,
  .footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .container.is-max-widescreen {
    max-width: calc(100% - 1.5rem) !important;
  }

  .hero-panel,
  .podium-card,
  .highlight-card,
  .analysis-card,
  .table-shell,
  .download-shell,
  .submission-shell,
  .level-card,
  .discussion-link-card {
    border-radius: 22px;
  }

  .publication-name {
    font-size: clamp(3.2rem, 15vw, 4.7rem);
  }

  .publication-subtitle {
    font-size: clamp(1.45rem, 7vw, 2rem);
  }

  .hero-summary {
    font-size: 1rem;
  }

  .publication-links {
    flex-direction: column;
    align-items: stretch;
  }

  .publication-links .link-block,
  .publication-links .link-block a {
    width: 100%;
  }

  .submission-modal-content {
    width: calc(100% - 1rem);
    margin: 0.5rem auto;
    max-height: calc(100vh - 1rem);
  }

  .leaderboard-table {
    font-size: 0.92rem;
  }
}

@media print {
  body::before,
  .hero-panel::before,
  .hero-panel::after {
    display: none;
  }

  .hero-panel,
  .podium-card,
  .highlight-card,
  .analysis-card,
  .table-shell,
  .download-shell,
  .submission-shell,
  .level-card,
  .discussion-link-card {
    box-shadow: none;
    background: #fff;
  }
}

/* Navigation */
.top-nav-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1300;
  backdrop-filter: blur(8px);
  background: rgba(252, 250, 245, 0.86);
  border-bottom: 1px solid rgba(19, 34, 54, 0.1);
}

.top-nav {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.top-nav-brand {
  color: var(--ink-strong);
  text-decoration: none;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.8rem;
  font-weight: 600;
}

.top-nav-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.top-nav-links a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.top-nav-links a:hover {
  color: var(--accent-deep);
}

.nav-offset {
  padding-top: 68px;
}

.level-grid-about {
  margin-top: 1.2rem;
}

.level-card-l1 {
  border-top: 4px solid #5a9b66;
}

.level-card-l2 {
  border-top: 4px solid #d58a2d;
}

.level-card-l3 {
  border-top: 4px solid #5376d7;
}

.demo-question-grid {
  display: grid;
  gap: 1rem;
}

.demo-question-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-card);
  padding: 0.9rem;
}

.demo-meta {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.demo-level-1 {
  border-left: 6px solid #5a9b66;
}

.demo-level-2 {
  border-left: 6px solid #d58a2d;
}

.demo-level-3 {
  border-left: 6px solid #5376d7;
}

.demo-main-row {
  display: grid;
  grid-template-columns: minmax(300px, 44%) 1fr;
  gap: 0.9rem;
}

.demo-video-pane video {
  width: 100%;
  height: 100%;
  min-height: 220px;
  border-radius: 14px;
  background: #0b1220;
}

.demo-text-pane {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.demo-text-pane p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.58;
}

.demo-text-pane p strong {
  color: var(--ink-strong);
}

.demo-reason-pane p {
  margin: 0 0 0.35rem;
  color: var(--ink-soft);
}

.demo-reason-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid rgba(19, 34, 54, 0.1);
}

.top-half-figure img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  object-position: top;
}

@media screen and (max-width: 1023px) {
  .top-nav {
    min-height: 56px;
  }

  .top-nav-brand {
    font-size: 1.5rem;
  }

  .demo-main-row {
    grid-template-columns: 1fr;
  }

  .demo-video-pane video {
    min-height: 210px;
  }
}

@media screen and (max-width: 768px) {
  .top-nav {
    align-items: flex-start;
    padding-top: 0.45rem;
    padding-bottom: 0.45rem;
  }

  .top-nav-links {
    gap: 0.65rem;
  }

  .top-nav-links a {
    font-size: 0.88rem;
  }

  .nav-offset {
    padding-top: 86px;
  }

  .top-half-figure img {
    height: 300px;
  }
}

/* Demo Showcase Redesign */
.demo-showcase-shell {
  padding: 1rem;
  border: 1px solid rgba(19, 34, 54, 0.09);
  border-radius: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), rgba(247, 243, 234, 0.48));
  box-shadow: 0 22px 46px rgba(19, 34, 54, 0.09);
}

.demo-question-grid {
  gap: 1.25rem;
}

.demo-question-card {
  border-width: 1px;
  border-radius: 24px;
  padding: 1.05rem;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(248, 243, 233, 0.7));
}

.demo-meta {
  margin-bottom: 0.3rem;
  color: var(--ink-muted);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.demo-main-row {
  align-items: stretch;
  gap: 1rem;
}

.demo-video-pane {
  border: 1px solid rgba(19, 34, 54, 0.12);
  border-radius: 14px;
  padding: 0.35rem;
  background: rgba(17, 25, 38, 0.88);
}

.demo-video-pane video {
  min-height: 244px;
}

.demo-text-pane {
  border: 1px solid rgba(19, 34, 54, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.62);
  padding: 0.8rem 0.85rem;
  gap: 0.5rem;
}

.demo-text-pane h3 {
  margin: 0;
  color: var(--ink-strong);
  font-size: 1.2rem;
  line-height: 1.35;
  font-weight: 700;
}

.demo-options {
  font-size: 0.96rem;
}

.demo-answer {
  width: fit-content;
  padding: 0.22rem 0.55rem;
  border: 1px solid rgba(19, 34, 54, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--ink-strong) !important;
  font-weight: 700;
}

.demo-level-1 .demo-answer {
  border-color: rgba(90, 155, 102, 0.35);
  color: #2b6c36 !important;
}

.demo-level-2 .demo-answer {
  border-color: rgba(213, 138, 45, 0.35);
  color: #9a5f16 !important;
}

.demo-level-3 .demo-answer {
  border-color: rgba(83, 118, 215, 0.35);
  color: #2f53b4 !important;
}

.demo-reason-pane {
  margin-top: 0.2rem;
  border: 1px solid rgba(19, 34, 54, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.58);
  padding: 0.62rem;
}

.demo-reason-pane p {
  margin-bottom: 0.45rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.demo-reason-image {
  border-radius: 10px;
}

@media screen and (max-width: 1023px) {
  .demo-showcase-shell {
    padding: 0.65rem;
  }

  .demo-text-pane h3 {
    font-size: 1.08rem;
  }

  .demo-video-pane video {
    min-height: 220px;
  }
}

/* Demo layout refinement (3-column, stronger typography) */
.container.is-max-widescreen.demo-wide {
  max-width: min(1500px, calc(100% - 2rem)) !important;
}

.demo-showcase-shell {
  padding: 1.2rem;
}

.demo-question-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.demo-question-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 100%;
}

.demo-meta {
  margin-bottom: 0.15rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  opacity: 0.9;
}

.demo-video-pane {
  padding: 0.3rem;
}

.demo-video-pane video {
  min-height: 205px;
  max-height: 250px;
}

.demo-text-pane {
  padding: 0.78rem 0.82rem;
  background: rgba(255, 255, 255, 0.68);
}

.demo-text-pane h3 {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.55rem;
  line-height: 1.14;
  font-weight: 700;
  color: var(--ink-strong);
}

.demo-options {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink) !important;
}

.demo-options strong {
  color: var(--ink-strong);
}

.demo-reason-pane {
  padding: 0.6rem;
}

.demo-reason-pane p {
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
}

.demo-answer {
  margin-top: auto;
  align-self: flex-start;
  font-size: 1.08rem;
  padding: 0.26rem 0.72rem;
  border-width: 2px;
  font-weight: 800;
}

@media screen and (max-width: 1250px) {
  .demo-question-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media screen and (max-width: 900px) {
  .demo-question-grid {
    grid-template-columns: 1fr;
  }

  .demo-video-pane video {
    min-height: 235px;
  }

  .demo-text-pane h3 {
    font-size: 1.36rem;
  }
}

/* Demo vertical layout refinement (requested) */
#demo-questions .demo-question-grid {
  grid-template-columns: 1fr !important;
  gap: 1.2rem !important;
}

#demo-questions .demo-question-card {
  display: grid !important;
  grid-template-columns: minmax(560px, 1.35fr) minmax(280px, 0.75fr);
  grid-template-areas:
    "video text"
    "reason reason";
  align-items: start;
  gap: 0.9rem;
  padding: 1rem !important;
}

#demo-questions .demo-video-pane {
  grid-area: video;
}

#demo-questions .demo-video-pane video {
  min-height: 330px !important;
  max-height: 430px !important;
}

#demo-questions .demo-text-pane {
  grid-area: text;
  padding: 0.85rem 0.9rem !important;
}

#demo-questions .demo-text-pane h3 {
  font-size: 1.72rem !important;
  line-height: 1.16 !important;
}

#demo-questions .demo-options {
  font-size: 1.04rem !important;
}

#demo-questions .demo-answer {
  margin-top: 0.15rem !important;
  font-size: 1.18rem !important;
  padding: 0.3rem 0.8rem !important;
}

#demo-questions .demo-reason-pane {
  grid-area: reason;
  margin-top: 0.1rem;
}

#demo-questions .demo-reason-image {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.72);
}

@media screen and (max-width: 1100px) {
  #demo-questions .demo-question-card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "video"
      "text"
      "reason";
  }

  #demo-questions .demo-video-pane video {
    min-height: 260px !important;
    max-height: 340px !important;
  }

  #demo-questions .demo-text-pane h3 {
    font-size: 1.45rem !important;
  }
}

/* Frontal entrance page */
.frontal-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  background:
    radial-gradient(circle at 12% 14%, rgba(138, 96, 55, 0.16), transparent 36%),
    radial-gradient(circle at 88% 10%, rgba(20, 34, 54, 0.13), transparent 34%),
    linear-gradient(180deg, #fdfbf7 0%, #f3eee2 52%, #faf7f0 100%);
  transition: opacity 520ms ease, visibility 520ms ease;
}

.frontal-gate.is-leaving {
  opacity: 0;
}

.frontal-gate.is-hidden {
  visibility: hidden;
  pointer-events: none;
}

.frontal-aura {
  position: absolute;
  width: 26rem;
  height: 26rem;
  border-radius: 999px;
  filter: blur(2px);
  opacity: 0.45;
  animation: frontal-float 7s ease-in-out infinite;
}

.frontal-aura-left {
  left: -8rem;
  bottom: -9rem;
  background: radial-gradient(circle, rgba(138, 96, 55, 0.25), rgba(138, 96, 55, 0));
}

.frontal-aura-right {
  right: -9rem;
  top: -10rem;
  background: radial-gradient(circle, rgba(20, 34, 54, 0.22), rgba(20, 34, 54, 0));
  animation-delay: 1.1s;
}

.frontal-content {
  position: relative;
  width: min(1320px, 100%);
  text-align: center;
  padding: clamp(1.3rem, 2.8vw, 2.6rem);
  border: 1px solid rgba(19, 34, 54, 0.11);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 28px 58px rgba(19, 34, 54, 0.12);
  backdrop-filter: blur(10px);
  animation: frontal-rise 720ms ease both;
}

.frontal-gate.is-leaving .frontal-content {
  animation: frontal-exit 560ms ease forwards;
}

.frontal-topline {
  margin-bottom: 1.4rem;
}

.frontal-title {
  margin: 0.15rem 0 0.2rem;
  color: var(--ink-strong);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(4.5rem, 9.4vw, 7rem);
  line-height: 0.92;
  font-style: italic;
  font-weight: 600;
}

.frontal-title-stack {
  width: 100%;
  max-width: min(1040px, 94vw);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.frontal-subtitle {
  max-width: 100%;
  margin: 0 auto;
  color: var(--ink-strong);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: clamp(1.5rem, 2.35vw, 2rem);
  line-height: 1.08;
  font-weight: 600;
  letter-spacing: 0.004em;
  white-space: nowrap !important;
  display: block;
}

.frontal-summary {
  max-width: 60rem;
  margin: 1rem auto 0.95rem;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.65vw, 1.28rem);
  line-height: 1.62;
}

.frontal-author-shell {
  margin-bottom: 1rem;
}

.frontal-actions {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.frontal-explore-btn {
  box-shadow: 0 12px 30px rgba(20, 34, 54, 0.22);
}

.frontal-hint {
  margin: 0.8rem 0 0;
  color: var(--ink-muted);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.frontal-contact-status {
  min-height: 1.15rem;
  margin: 0.35rem 0 0;
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 600;
}

@keyframes frontal-rise {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes frontal-exit {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(-30px) scale(0.97);
  }
}

@keyframes frontal-float {
  0%,
  100% { transform: translateY(0px); }
  50% { transform: translateY(-14px); }
}

@media screen and (max-width: 900px) {
  .frontal-content {
    border-radius: 20px;
  }

  .frontal-subtitle {
    max-width: 24ch;
    font-size: clamp(1.45rem, 5.6vw, 1.95rem);
    white-space: normal !important;
    display: block;
  }

  .frontal-actions .button {
    width: 100%;
    justify-content: center;
  }
}

/* Final hard override: demo cards must be vertical stack */
body #demo-questions .demo-question-grid {
  grid-template-columns: 1fr !important;
}

body #demo-questions .demo-question-card {
  display: grid !important;
  grid-template-columns: minmax(560px, 1.35fr) minmax(280px, 0.75fr) !important;
  grid-template-areas:
    "video text"
    "reason reason" !important;
}

@media screen and (max-width: 1100px) {
  body #demo-questions .demo-question-card {
    grid-template-columns: 1fr !important;
    grid-template-areas:
      "video"
      "text"
      "reason" !important;
  }
}

/* Frontal title hard lock: desktop must be 2-line stack */
body .frontal-title-stack .frontal-subtitle {
  max-width: 100% !important;
  white-space: nowrap !important;
  display: block !important;
}

@media screen and (max-width: 900px) {
  body .frontal-title-stack .frontal-subtitle {
    white-space: normal !important;
    display: block !important;
  }
}