:root {
  --bg: #e8eef4;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-soft: #f6f9fc;
  --surface-muted: #eef3f8;
  --text: #102033;
  --muted: #5f6c7b;
  --line: rgba(117, 138, 162, 0.18);
  --line-strong: rgba(105, 127, 151, 0.3);
  --accent: #2f6fed;
  --accent-soft: rgba(47, 111, 237, 0.1);
  --accent-soft-strong: rgba(47, 111, 237, 0.16);
  --shadow: 0 24px 60px rgba(21, 35, 52, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(93, 124, 173, 0.14), transparent 24%),
    radial-gradient(circle at bottom right, rgba(111, 145, 192, 0.14), transparent 28%),
    linear-gradient(180deg, #f5f8fb 0%, var(--bg) 100%);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.42), transparent 35%),
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.35), transparent 18%);
  pointer-events: none;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.page {
  position: relative;
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.page-layout {
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-main {
  min-width: 0;
}

.page-sidebar {
  position: sticky;
  top: 24px;
  align-self: start;
}

.section,
.hero {
  scroll-margin-top: 36px;
}

.section-panel {
  position: relative;
  overflow: hidden;
  padding: 36px 38px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.section-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.7), transparent 38%),
    radial-gradient(circle at top right, rgba(80, 122, 196, 0.1), transparent 24%);
  pointer-events: none;
}

.section-panel > * {
  position: relative;
  z-index: 1;
}

.hero {
  padding-bottom: 34px;
}

.hero__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.hero-brand {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.hero-brand__image {
  display: block;
  width: auto;
  height: 54px;
  max-width: min(300px, 42vw);
  object-fit: contain;
}

.locale-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid rgba(105, 127, 151, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 24px rgba(20, 32, 51, 0.06);
}

.locale-switch__button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  min-height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.locale-switch__button:hover {
  transform: translateY(-1px);
}

.locale-switch__button.is-active {
  background: var(--accent);
  color: #fff;
}

.hero__content {
  padding-top: 0;
}

.hero__copy {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6782a1;
}

.hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero__lead {
  max-width: 820px;
  margin: 18px auto 0;
  font-size: 20px;
  line-height: 1.6;
  font-weight: 700;
  color: #4a6380;
  text-wrap: pretty;
}

.hero__body {
  max-width: 820px;
  margin: 14px auto 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.hero-button:hover {
  transform: translateY(-1px);
}

.hero-button--primary {
  background: var(--accent);
  color: #ffffff;
}

.hero-button--secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.74);
  color: var(--text);
}

.hero__proof-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.proof-pill,
.case-tag,
.featured-tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.proof-pill {
  background: rgba(255, 255, 255, 0.76);
  color: #47627f;
  border: 1px solid rgba(114, 136, 159, 0.18);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  max-width: 1040px;
  margin: 34px auto 0;
}

.stat-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 24px rgba(20, 32, 51, 0.05);
}

.stat-card span {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.stat-card strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.section-nav {
  display: grid;
  gap: 8px;
  padding: 14px 12px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  background: rgba(247, 250, 253, 0.86);
  box-shadow: 0 18px 40px rgba(20, 32, 51, 0.1);
  backdrop-filter: blur(14px);
}

.section-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.section-nav__link:hover,
.section-nav__link.is-active {
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateX(2px);
}

.section {
  margin-top: 28px;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading--row,
.subsection-heading,
.example-block__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.section-heading--row > div {
  flex: 1 1 auto;
  min-width: 0;
}

.section h2,
.section-heading h2,
.subsection-heading h3,
.language-section__header h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.section-summary,
.subsection-summary,
.language-section__summary {
  max-width: min(100%, 920px);
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  text-wrap: pretty;
}

.section-summary--below {
  margin-top: 12px;
  max-width: none;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.pillar-card,
.example-block,
.benchmark-card,
.featured-card,
.showcase-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 36px rgba(20, 32, 51, 0.05);
}

.pillar-card {
  padding: 24px;
}

.pillar-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.pillar-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.pillar-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.metric-pill,
.meta-pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.metric-pill {
  background: var(--accent-soft);
  color: var(--accent);
}

.meta-pill {
  background: var(--surface-muted);
  color: var(--muted);
}

.case-tag,
.featured-tag {
  background: rgba(235, 242, 249, 0.95);
  color: #49617d;
}

.media-demo-card {
  overflow: hidden;
  max-width: 980px;
  margin: 0 auto;
  border: 1px solid rgba(118, 142, 170, 0.24);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 247, 251, 0.98));
  box-shadow: 0 20px 44px rgba(40, 58, 80, 0.12);
}

.media-demo-player {
  display: block;
  width: 100%;
  height: auto;
  background: #0a1018;
  aspect-ratio: 16 / 9;
}

.topic-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.showcase-stack,
.example-sections {
  display: grid;
  gap: 24px;
}

.showcase-shell {
  padding: 24px;
}

.subsection-heading h3 {
  font-size: 28px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.featured-card {
  padding: 22px;
}

.featured-card__meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.featured-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.featured-card__jump {
  flex: none;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.featured-card h3 {
  margin: 18px 0 10px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.featured-card__summary {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.featured-card__audio {
  margin-top: 18px;
}

.featured-card__result {
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(117, 138, 162, 0.16);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.featured-card__label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #58708c;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.featured-card__result p {
  display: -webkit-box;
  margin: 12px 0 0;
  overflow: hidden;
  color: var(--text);
  line-height: 1.8;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
}

#example-sections {
  gap: 40px;
}

.language-section {
  display: grid;
  gap: 22px;
}

.language-section__header {
  display: grid;
  gap: 8px;
}

.language-section__header h2 {
  font-size: clamp(18px, 2vw, 22px);
}

.example-block {
  padding: 24px;
}

.example-block__header {
  margin-bottom: 16px;
}

.example-block__header h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.table-shell {
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
}

.showcase-table {
  width: 100%;
  min-width: 920px;
  border-collapse: collapse;
  table-layout: auto;
}

.showcase-table thead th {
  padding: 16px 18px;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  color: var(--muted);
}

.showcase-table thead th:nth-child(1),
.showcase-table tbody td:nth-child(1) {
  width: 1%;
  white-space: nowrap;
}

.showcase-table thead th:nth-child(2),
.showcase-table tbody td:nth-child(2) {
  width: 280px;
}

.showcase-table tbody td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.showcase-table tbody tr:last-child td {
  border-bottom: none;
}

.row-main {
  scroll-margin-top: 120px;
}

.row-main:hover td {
  background: #fbfdff;
}

.scene-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.scene-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.result-cell {
  display: grid;
  gap: 12px;
}

.audio-cell {
  display: flex;
  align-items: center;
  min-height: 40px;
}

.audio-empty {
  font-size: 15px;
  color: var(--muted);
}

.result-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  word-break: break-word;
}

.result-text--scrollable {
  max-height: 240px;
  overflow-y: auto;
  padding-right: 8px;
}

.audio-player {
  display: block;
  width: min(100%, 250px);
  height: 42px;
}

.audio-player--featured {
  width: min(100%, 100%);
}

.benchmark-summary-grid,
.benchmark-grid {
  display: grid;
  gap: 16px;
}

.benchmark-spotlight {
  margin-top: 24px;
  margin-bottom: 16px;
}

.benchmark-summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.benchmark-summary-card {
  padding: 18px 20px;
  border: 1px solid rgba(117, 138, 162, 0.14);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
}

.benchmark-summary-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.benchmark-summary-card strong {
  display: block;
  margin-top: 10px;
  font-size: 26px;
  letter-spacing: -0.04em;
}

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

.benchmark-card {
  padding: 24px;
}

.benchmark-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.benchmark-card__header--stacked {
  align-items: flex-start;
}

.benchmark-card__header h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.benchmark-card__summary {
  max-width: 880px;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  text-wrap: pretty;
}

.benchmark-card--rtf {
  padding-bottom: 22px;
}

.benchmark-card--rtf .benchmark-card__header {
  margin-bottom: 8px;
}

.benchmark-chart {
  display: grid;
  gap: 16px;
}

.benchmark-row {
  display: grid;
  gap: 10px;
}

.benchmark-row--metric {
  gap: 12px;
}

.benchmark-row__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.benchmark-model {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.benchmark-value {
  flex: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.benchmark-track {
  position: relative;
  width: 100%;
  height: 16px;
}

.benchmark-track--metric {
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(71, 102, 142, 0.28) 0%, rgba(117, 138, 162, 0.08) 100%);
}

.benchmark-track--metric::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  bottom: 2px;
  width: 22%;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(47, 111, 237, 0.18) 0%, rgba(47, 111, 237, 0.04) 100%);
  box-shadow: inset 0 0 0 1px rgba(47, 111, 237, 0.06);
  pointer-events: none;
}

.benchmark-track--metric::before {
  content: "";
  position: absolute;
  inset: 50% 12px auto 12px;
  height: 1px;
  background: linear-gradient(90deg, rgba(67, 95, 133, 0.7) 0%, rgba(160, 177, 197, 0.18) 100%);
  transform: translateY(-50%);
}

.benchmark-row.is-best .benchmark-track--metric {
  background: linear-gradient(90deg, rgba(47, 111, 237, 0.24) 0%, rgba(47, 111, 237, 0.06) 100%);
}

.benchmark-row.is-best .benchmark-track--metric::before {
  background: linear-gradient(90deg, rgba(47, 111, 237, 0.95) 0%, rgba(122, 179, 255, 0.18) 100%);
}

.benchmark-row.is-best .benchmark-model,
.benchmark-row.is-best .benchmark-value {
  color: var(--accent);
}

.benchmark-point {
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid #ffffff;
  background: #aab8c9;
  box-shadow: 0 4px 12px rgba(20, 32, 51, 0.12);
  transform: translate(-50%, -50%);
}

.benchmark-row.is-best .benchmark-point {
  width: 16px;
  height: 16px;
  background: var(--accent);
  box-shadow:
    0 0 0 6px rgba(47, 111, 237, 0.12),
    0 10px 24px rgba(47, 111, 237, 0.26);
}

.rtf-hero {
  padding: 4px 4px 2px;
}

.rtf-hero__main {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 0;
}

.rtf-hero__title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rtf-hero__main h4 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.rtf-hero__main strong {
  flex: none;
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.rtf-list {
  display: grid;
  gap: 6px;
}

.rtf-ranking__list {
  display: grid;
  gap: 10px;
}

.rtf-rank-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 10px 4px;
}

.rtf-rank-row__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  min-width: 56px;
  min-height: 34px;
  padding: 0;
  border-radius: 999px;
  background: rgba(16, 32, 51, 0.06);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.rtf-rank-row__index--hero {
  background: var(--accent);
  color: #ffffff;
}

.rtf-rank-row__model,
.rtf-rank-row__value {
  font-size: 14px;
  font-weight: 700;
}

.rtf-rank-row__model {
  color: var(--text);
}

.rtf-rank-row__value {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.benchmark-datasets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.benchmark-footnote {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
}

.load-error {
  margin-top: 20px;
  padding: 16px 18px;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  color: #991b1b;
  line-height: 1.7;
}

.hidden {
  display: none;
}

@media (max-width: 1180px) {
  .stats-grid,
  .benchmark-summary-grid,
  .benchmark-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pillar-grid,
  .featured-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .page {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .page-layout {
    grid-template-columns: 1fr;
  }

  .page-sidebar {
    position: static;
  }

  .section-panel {
    padding: 28px 22px;
  }

  .section-heading--row,
  .subsection-heading,
  .example-block__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-summary,
  .subsection-summary,
  .language-section__summary {
    max-width: none;
  }

  .section-nav {
    position: sticky;
    top: 12px;
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    width: 100%;
    padding: 10px;
    border-radius: 24px;
  }

  .section-nav__link {
    justify-content: center;
    border-radius: 999px;
  }

  .section-nav__link:hover,
  .section-nav__link.is-active {
    transform: translateY(-1px);
  }
}

@media (max-width: 820px) {
  .hero__topbar {
    gap: 12px;
    flex-direction: column;
    align-items: flex-start;
  }

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

  .hero-button {
    width: 100%;
  }

  .stats-grid,
  .benchmark-summary-grid,
  .benchmark-grid {
    grid-template-columns: 1fr;
  }

  .benchmark-card__header--stacked {
    flex-direction: column;
    align-items: flex-start;
  }

  .rtf-hero__main {
    flex-direction: column;
    align-items: flex-start;
  }

  .rtf-rank-row {
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .rtf-rank-row__value {
    grid-column: 2;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 16px;
  }

  .hero h1 {
    font-size: clamp(24px, 7vw, 32px);
  }

  .hero__lead {
    font-size: 16px;
  }

  .locale-switch {
    width: 100%;
  }

  .locale-switch__button {
    flex: 1 1 0;
    padding: 0 12px;
  }

  .hero-brand__image {
    height: 42px;
    max-width: min(260px, 70vw);
  }

  .section-nav {
    padding: 8px;
    gap: 8px;
  }

  .section-nav__link {
    min-height: 34px;
    padding: 0 12px;
    font-size: 12px;
  }

  .showcase-shell,
  .example-block,
  .pillar-card,
  .benchmark-card,
  .featured-card {
    padding-left: 18px;
    padding-right: 18px;
  }

  .media-demo-card,
  .table-shell,
  .showcase-shell,
  .example-block,
  .pillar-card,
  .benchmark-card,
  .featured-card {
    border-radius: 20px;
  }
}