:root {
  --bg: #09111f;
  --bg-soft: #111b31;
  --bg-alt: #0d1730;
  --surface: rgba(16, 25, 46, 0.72);
  --surface-strong: rgba(10, 17, 31, 0.9);
  --line: rgba(181, 205, 255, 0.18);
  --line-strong: rgba(181, 205, 255, 0.34);
  --text: #eef3ff;
  --muted: #9cabc9;
  --accent: #72d2ff;
  --amber: #ffb86f;
  --green: #7ce0aa;
  --red: #ff8d7d;
  --yellow: #ffe082;
  --shadow: 0 24px 60px rgba(2, 7, 18, 0.4);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(114, 210, 255, 0.22), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(255, 184, 111, 0.17), transparent 20%),
    linear-gradient(180deg, #09111f 0%, #0a1326 36%, #0c1830 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(181, 205, 255, 0.06) 1px, transparent 1px) 0 0 / 100% 40px,
    linear-gradient(90deg, rgba(181, 205, 255, 0.045) 1px, transparent 1px) 0 0 / 40px 100%;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.42), transparent 90%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration-color: rgba(114, 210, 255, 0.55);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 12, 23, 0.76);
  backdrop-filter: blur(20px);
}

.topbar-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-logo {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  color: var(--muted);
}

.nav a {
  text-decoration: none;
}

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

.lang {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 168px;
  max-width: 100%;
}

.lang::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 16px;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--muted);
  border-bottom: 1.5px solid var(--muted);
  pointer-events: none;
  transform: translateY(-65%) rotate(45deg);
}

.lang select {
  width: 100%;
  padding: 10px 40px 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.lang select:hover {
  border-color: var(--line-strong);
}

.lang select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(114, 210, 255, 0.16);
}

.lang option {
  color: #09111f;
}

main {
  overflow: hidden;
}

.hero {
  max-width: 1440px;
  margin: 0 auto;
  min-height: min(820px, calc(100vh - 64px));
  padding: 56px 24px 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.hero-copy {
  position: relative;
  padding: 22px 0 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(255, 141, 125, 0.14);
}

h1 {
  margin: 24px auto 18px;
  max-width: 1100px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 800;
  text-align: center;
  text-wrap: balance;
}

.lead {
  max-width: 720px;
  margin: 0 auto;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.36;
  color: #d5def6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #3498ff);
  color: #051222;
  box-shadow: 0 12px 24px rgba(45, 183, 255, 0.22);
  text-decoration: none;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.button.secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  box-shadow: none;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 48px;
  width: 100%;
  max-width: 1000px;
}

.metric-chip {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  box-shadow: var(--shadow);
}

.metric-chip span {
  display: block;
  margin-bottom: 10px;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.metric-chip strong {
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.05;
  font-weight: 700;
}

.hero-stack {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 18px;
  justify-self: end;
  width: 100%;
  max-width: 760px;
}

.hero-showcase,
.hero-showcase--card-collapsed {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  align-items: start;
  justify-content: center;
  width: 100%;
}

.hero-showcase .hero-stack,
.hero-showcase--card-collapsed .hero-stack {
  justify-self: center;
}

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(17, 27, 49, 0.92), rgba(10, 17, 31, 0.9));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(114, 210, 255, 0.18), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 26%);
  pointer-events: none;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 22px 18px;
  border-bottom: 1px solid var(--line);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--green);
}

.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: currentColor;
}

.leaderboard {
  padding: 20px 22px 26px;
}

.bar-row {
  display: grid;
  grid-template-columns: 132px 1fr 52px;
  gap: 12px;
  align-items: center;
  margin: 14px 0;
  font-size: 13px;
}

.bar-name {
  font-weight: 700;
}

.bar-track {
  height: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #4cb9ff, #88dfff);
  border-radius: 999px;
}

.bar-fill.green {
  background: linear-gradient(90deg, #43c48a, #8fe0b0);
}

.bar-fill.red {
  background: linear-gradient(90deg, #ff7c6a, #ffab93);
}

.bar-fill.gold {
  background: linear-gradient(90deg, #ffb86f, #ffe082);
}

.bar-value {
  text-align: right;
  font-weight: 800;
}

.note {
  margin: 22px 0 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
}

.quick-list {
  margin: 0;
  padding: 18px 22px 24px 40px;
  display: grid;
  gap: 14px;
}

.quick-list li {
  color: #d9e2fb;
  font-size: 16px;
  line-height: 1.55;
}

.section {
  scroll-margin-top: 96px;
  border-top: 1px solid var(--line);
}

.learn-block {
  scroll-margin-top: 96px;
}

.direct-ad-slot {
  position: relative;
  z-index: 2;
  width: 100%;
}

.direct-ad-slot--section-side {
  align-self: start;
  justify-self: end;
  width: min(100%, 336px);
}

.direct-ad-slot--article-hero {
  margin-top: 24px;
  max-width: 336px;
}

.direct-ad-label {
  display: block;
  margin-bottom: 8px;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.direct-ad-unit {
  width: 100%;
  min-height: 250px;
  padding: 12px;
  border: 1px solid rgba(114, 210, 255, 0.14);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(16, 25, 46, 0.52), rgba(10, 17, 31, 0.72));
  box-shadow: 0 20px 40px rgba(2, 7, 18, 0.48), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.direct-ad-unit > div {
  min-height: 250px;
}

.section-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 112px 24px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.section-inner--with-side-ad {
  max-width: 1240px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 336px);
  align-items: start;
  gap: 48px;
}

.section-content {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 56px;
}

.section-side {
  position: relative;
  max-width: 860px;
}

h2 {
  margin: 0 0 24px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.section-deck {
  margin: 0;
  max-width: 760px;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.5;
  color: #a8bce0;
  font-weight: 400;
}

.section-body > :first-child {
  margin-top: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.3;
}

p {
  font-size: 18px;
  line-height: 1.72;
  color: #d6dff7;
  max-width: 800px;
}

.body-copy {
  display: grid;
  gap: 20px;
}

.section-source {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.section-source span {
  margin-right: 6px;
}

.section-inline-cta {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  max-width: 720px;
}

.section-inline-cta-copy {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: #c4d1ef;
}

.section-inline-cta-link {
  width: fit-content;
}

#opus-4-8-result .section-inner {
  padding-top: 86px;
  padding-bottom: 86px;
  gap: 34px;
}

#opus-4-8-result .section-side h2 {
  margin-bottom: 0;
}

#opus-4-8-result .body-copy {
  gap: 16px;
}

#opus-4-8-result .body-copy p {
  margin: 0;
  max-width: 860px;
}

#opus-4-8-result .section-source {
  margin-top: 8px;
}

.facts-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 32px;
}

.fact-card {
  min-height: 156px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.fact-card strong {
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: 46px;
  line-height: 1;
  font-weight: 700;
}

.fact-card span {
  display: block;
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 16px;
}

.feature-card {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(12, 23, 48, 0.92), rgba(10, 17, 31, 0.82));
  padding: 22px;
}

.feature-index {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: #c8d3ee;
}

.results-layout {
  display: grid;
  gap: 20px;
}

.table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.results-table {
  width: 100%;
  border-collapse: collapse;
}

.results-table th,
.results-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
  line-height: 1.4;
}

.results-table th {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.results-table tr:last-child td {
  border-bottom: 0;
}

.score {
  font-weight: 900;
  color: var(--accent);
}

.callout {
  padding: 24px;
  border: 1px solid rgba(255, 141, 125, 0.24);
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255, 141, 125, 0.12), rgba(255, 184, 111, 0.08));
}

.callout p {
  margin: 0;
}

.compare-grid,
.takeaway-grid {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.compare-analysis {
  display: grid;
  gap: 28px;
}

.compare-table-shell {
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.03);
}

.compare-table td:first-child {
  width: 34%;
  color: var(--text);
}

.compare-table td strong {
  font-size: 16px;
  line-height: 1.45;
}

.analysis-stack {
  display: grid;
  gap: 22px;
}

.analysis-item h3 {
  margin-bottom: 12px;
}

.analysis-item p {
  margin: 0;
  max-width: none;
}

.analysis-figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
}

.analysis-figure-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

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

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

.compare-card,
.takeaway-card,
.learn-block {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.card-label {
  display: inline-block;
  margin-bottom: 12px;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.learn-grid {
  display: grid;
  gap: 18px;
}

.task-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 22px 0 0;
}

.task {
  min-height: 118px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.task b {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.task span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.command {
  overflow-x: auto;
  margin: 18px 0 0;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  background: #040915;
  color: #dce8ff;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
}

.footer-note {
  margin-top: 28px;
  font-size: 14px;
  color: var(--muted);
}

.article-page .topbar {
  background: rgba(6, 10, 20, 0.9);
}

.article-topbar-inner {
  max-width: 1180px;
}

.article-nav {
  gap: 16px;
}

.article-backlink {
  min-height: 42px;
  padding: 10px 16px;
}

.article-hero {
  max-width: 1240px;
  margin: 0 auto;
  padding: 64px 24px 28px;
}

.article-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 420px);
  gap: 28px;
  align-items: stretch;
}

.article-hero-copy {
  min-width: 0;
}

.article-lead {
  max-width: 820px;
}

.article-meta-row {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.article-meta-label {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.article-meta-value {
  font-size: 14px;
  font-weight: 700;
}

.article-summary-panel {
  align-self: stretch;
}

.article-summary-body {
  padding: 22px;
}

.article-summary-title {
  margin: 0 0 16px;
  font-size: clamp(26px, 3vw, 36px);
}

.article-summary-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

.article-metrics {
  margin-top: 22px;
  grid-template-columns: 1fr;
}

.article-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 24px 120px;
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 28px;
}

.article-sidebar {
  position: relative;
}

.article-toc-panel {
  position: sticky;
  top: 96px;
}

.article-toc {
  margin: 0;
  padding: 20px 22px 24px 38px;
  display: grid;
  gap: 12px;
}

.article-toc li {
  color: #d6dff7;
  font-size: 14px;
  line-height: 1.55;
}

.article-toc a {
  text-decoration: none;
}

.article-main {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.article-section {
  display: grid;
  gap: 18px;
  scroll-margin-top: 104px;
}

.article-section-header h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
}

.article-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(17, 27, 49, 0.9), rgba(10, 17, 31, 0.82));
  box-shadow: var(--shadow);
}

.article-prose p,
.article-prose li,
.article-callout p,
.article-callout li {
  max-width: none;
}

.article-prose blockquote,
.article-callout blockquote {
  margin: 22px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  border-radius: 16px;
  background: rgba(114, 210, 255, 0.08);
  color: #edf5ff;
  font-family: "Fraunces", Georgia, serif;
  font-size: 24px;
  line-height: 1.4;
}

.article-source-note {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 10px 0 0;
  padding: 8px 12px;
  border: 1px solid rgba(141, 214, 255, 0.18);
  border-radius: 999px;
  background: rgba(141, 214, 255, 0.08);
  color: #c9daf9;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.article-source-note a,
.article-source-inline a {
  color: #ffffff;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.article-source-inline {
  display: block;
  margin-top: 8px;
  color: #9eb2dc;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.article-list,
.article-source-list {
  margin: 18px 0 0;
  padding-left: 24px;
  display: grid;
  gap: 12px;
}

.article-subgrid,
.article-faq-grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

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

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

.article-subcard {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
}

.article-subcard h3 {
  margin-bottom: 12px;
}

.article-subcard p {
  margin: 0;
  max-width: none;
}

.article-table-shell {
  margin-top: 22px;
}

.article-source-list a {
  word-break: break-word;
}

@media (max-width: 1099px) {
  .section-inner--with-side-ad,
  .hero-showcase,
  .hero-showcase--card-collapsed {
    grid-template-columns: 1fr;
  }

  .hero-stack,
  .hero-showcase--card-collapsed .hero-stack {
    justify-self: center;
  }

  .direct-ad-slot--section-side {
    justify-self: start;
    max-width: 336px;
  }
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .facts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .article-hero-inner,
  .article-shell {
    grid-template-columns: 1fr;
  }

  .article-toc-panel {
    position: static;
  }
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-metrics,
  .facts-grid,
  .feature-grid,
  .compare-grid,
  .takeaway-grid,
  .task-list,
  .article-subgrid,
  .article-faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 140px;
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .section-inner,
  .article-hero,
  .article-shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1 {
    font-size: 50px;
  }

  .lead {
    font-size: 20px;
  }

  .bar-row {
    grid-template-columns: 92px 1fr 48px;
    gap: 8px;
    font-size: 12px;
  }

  #opus-4-8-result .section-inner {
    padding-top: 62px;
    padding-bottom: 62px;
    gap: 24px;
  }

  .article-card,
  .article-subcard {
    padding: 18px;
  }

  .article-prose blockquote,
  .article-callout blockquote {
    font-size: 20px;
  }

  .article-source-note {
    border-radius: 16px;
    align-items: flex-start;
  }

}

img,
svg {
  max-width: 100%;
}

.section,
.panel,
.card,
.learn-block,
.hero-copy {
  min-width: 0;
}

h1,
h2,
h3,
p,
li,
a,
button,
select {
  overflow-wrap: anywhere;
}

:lang(ko) h1,
:lang(ko) h2,
:lang(ko) h3,
:lang(ko) p,
:lang(ko) li {
  word-break: keep-all;
  overflow-wrap: break-word;
}

:lang(zh-Hant) body {
  line-break: strict;
}

/* --- Added by frontend-design for leaderboard image --- */
.hero-visual-panel {
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(17, 27, 49, 0.4), rgba(10, 17, 31, 0.6));
  backdrop-filter: blur(12px);
}

.hero-visual-container {
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  display: flex;
}

.hero-leaderboard-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.hero-visual-panel:hover .hero-leaderboard-img {
  transform: scale(1.03);
  filter: brightness(1.1);
}