* { box-sizing: border-box; }

:root {
  --paper: #f4efe7;
  --paper-2: #fbf8f2;
  --ink: #2b2722;
  --muted: #6f675d;
  --faint: #9a9186;
  --line: #e0d8c9;
  --line-strong: #d4c8b4;
  --accent: #bd6a4a;
  --accent-dark: #7f3d2d;
  --green: #597b58;
  --blue: #446b8e;
  --gold: #a87b3a;
  --shadow: 0 24px 60px -42px rgba(43, 39, 34, 0.45);
  --max: 1160px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(780px 460px at 78% -10%, rgba(189, 106, 74, 0.13), transparent 64%),
    radial-gradient(620px 400px at -8% 28%, rgba(122, 138, 120, 0.12), transparent 66%),
    var(--paper);
  color: var(--ink);
  font-family: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

.app-shell {
  min-height: 100vh;
}

.loading {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 28px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(224, 216, 201, 0.86);
  background: rgba(244, 239, 231, 0.82);
  backdrop-filter: blur(12px) saturate(140%);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 17px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(189, 106, 74, 0.16);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(189, 106, 74, 0.08);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 76px 28px 46px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  gap: 34px;
  align-items: end;
}

h1 {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(2.55rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  font-weight: 500;
  max-width: 12ch;
}

.hero p {
  max-width: 62ch;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 17px;
  border-radius: 11px;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
  font-weight: 500;
}

.button.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #f6f2ea;
}

.button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.button.primary:hover {
  background: var(--accent);
  color: #f6f2ea;
}

.snapshot-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(251, 248, 242, 0.76);
  box-shadow: var(--shadow);
  padding: 24px;
}

.snapshot-card h2 {
  margin: 0 0 14px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 500;
}

.dial-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 13px;
}

.dial-label strong {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.dial-label span {
  color: var(--muted);
  font-size: 0.9rem;
}

.dial-track {
  position: relative;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, #597b58, #d7c9a5 50%, #bd6a4a);
}

.dial-pin {
  position: absolute;
  top: 50%;
  width: 6px;
  height: 28px;
  border-radius: 999px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  box-shadow: 0 5px 16px rgba(43, 39, 34, 0.28);
}

.dial-captions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 10px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
}

.content {
  max-width: var(--max);
  margin: 0 auto;
  padding: 26px 28px 90px;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin: 46px 0 22px;
}

.section-head h2 {
  margin: 0;
  font-family: "IBM Plex Mono", monospace;
  font-size: clamp(1.25rem, 2.4vw, 1.9rem);
  letter-spacing: -0.02em;
  font-weight: 500;
}

.section-head p {
  margin: 0;
  color: var(--muted);
  max-width: 46ch;
  font-size: 0.94rem;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.model-card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: var(--paper-2);
  color: var(--ink);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.model-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 28px 70px -44px rgba(43, 39, 34, 0.58);
}

.verdict-band {
  min-height: 82px;
  padding: 15px 17px;
  color: #fff;
}

.verdict-band small {
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.78rem;
}

.verdict-band strong {
  display: block;
  margin-top: 3px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.02rem;
  letter-spacing: -0.015em;
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 15px 17px 17px;
}

.sparkline {
  width: 100%;
  height: 64px;
  margin-bottom: 15px;
}

.metric-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
}

.metric-row strong {
  font-size: 1.05rem;
}

.zscore {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.9rem;
}

.updated {
  margin-top: 3px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

.is-red { background: #b54d3e; }
.is-orange { background: #c77f38; }
.is-gray { background: #736b61; }
.is-lightgreen { background: #72965c; }
.is-green { background: #597b58; }
.text-red { color: #a94335; }
.text-orange { color: #a8662c; }
.text-gray { color: #6f675d; }
.text-lightgreen { color: #5f824c; }
.text-green { color: #4f764c; }

.detail-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 42px 28px 90px;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.side {
  position: sticky;
  top: 86px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.side-panel {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(251, 248, 242, 0.78);
  padding: 16px;
}

.side-title {
  margin-bottom: 10px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.side-panel a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 0.9rem;
}

.side-panel a:hover,
.side-panel a.active {
  color: var(--accent);
  background: rgba(189, 106, 74, 0.08);
}

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

.back-link {
  display: inline-flex;
  color: var(--muted);
  text-decoration: none;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  margin-bottom: 18px;
}

.back-link:hover { color: var(--accent); }

.detail-hero {
  border-radius: 22px;
  color: #fff;
  padding: 26px;
  margin-bottom: 18px;
}

.detail-hero h1 {
  max-width: none;
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.detail-hero p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.05rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--paper-2);
  padding: 16px;
}

.stat label {
  display: block;
  margin-bottom: 6px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat strong {
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.formula {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper-2);
  padding: 18px;
  margin-bottom: 18px;
  text-align: center;
  font-family: "IBM Plex Mono", monospace;
}

.formula span {
  color: var(--accent);
}

.blurb {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.68;
}

.model-section {
  margin: 0 0 26px;
  scroll-margin-top: 92px;
}

.model-section h2 {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  font-weight: 500;
}

.model-section h2::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--line);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--paper-2);
  padding: 18px;
  box-shadow: var(--shadow);
}

.chart {
  width: 100%;
  min-height: 320px;
}

.chart.tall { min-height: 430px; }

.hint {
  margin: 10px 0 0;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

.copy p {
  margin: 0 0 15px;
  color: var(--muted);
  line-height: 1.7;
}

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

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

.criticism-list li {
  display: flex;
  gap: 12px;
  color: var(--muted);
  margin-bottom: 13px;
  line-height: 1.65;
}

.criticism-list li:last-child { margin-bottom: 0; }

.criticism-list span {
  color: var(--accent);
  flex: 0 0 auto;
}

.source-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.source-list a {
  color: var(--accent);
  text-decoration: none;
}

.source-list a:hover { text-decoration: underline; }

.footer-note {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 28px 46px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .side {
    position: static;
    order: 2;
  }

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

@media (max-width: 680px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .content,
  .detail-grid,
  .footer-note {
    padding-left: 18px;
    padding-right: 18px;
  }

  .model-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

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

  .detail-hero {
    padding: 22px;
  }

  .chart,
  .chart.tall {
    min-height: 300px;
  }
}