:root {
  --bg: #0b1418;
  --bg-elevated: rgba(12, 24, 30, 0.9);
  --bg-panel: rgba(245, 247, 242, 0.93);
  --text: #e7f0e8;
  --text-dark: #102028;
  --accent-csharp: #ff8f3f;
  --accent-sql: #2dc0b2;
  --accent-python: #8ab4ff;
  --accent-verified: #8ee2a4;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.28);
  --shadow-soft: 0 20px 48px rgba(10, 24, 30, 0.14);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --content-max: 1460px;
  --sticky-offset: 118px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(45, 192, 178, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 143, 63, 0.16), transparent 26%),
    linear-gradient(160deg, #091014 0%, #102028 46%, #0a161a 100%);
  color: var(--text);
  font-family: "Segoe UI Variable Display", "Aptos", "Trebuchet MS", sans-serif;
}

body { padding: 28px; }
.page-shell { max-width: var(--content-max); margin: 0 auto; position: relative; }

.hero-top-nav {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
  padding: 16px 20px;
  border-radius: 24px;
  background: rgba(8, 19, 24, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  box-shadow: 0 22px 56px rgba(4, 12, 16, 0.28);
}

.hero-top-nav-brand {
  display: grid;
  gap: 4px;
  color: var(--text);
}

.hero-top-nav-kicker {
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #95d7d1;
}

.hero-top-nav-brand strong {
  font-size: 1rem;
  font-family: "Bahnschrift", sans-serif;
  font-weight: 700;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 420px);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 18px;
}

.hero-copy,
.hero-orbital-card,
.section-card {
  backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.hero-copy {
  background: linear-gradient(145deg, rgba(11, 24, 29, 0.94), rgba(17, 43, 47, 0.78));
  border-radius: 34px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: auto -40px -55px auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255, 143, 63, 0.24), transparent 68%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #97d9d3;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Bahnschrift", "Segoe UI Variable Display", sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 0.96;
  max-width: 10ch;
}

.hero-subtitle {
  margin: 18px 0 0;
  max-width: 64ch;
  color: #c6d4d1;
  font-size: 1.03rem;
  line-height: 1.7;
}

.hero-tags,
.hero-action-row,
.hero-nav-pills,
.legend-set,
.ai-actions,
.suggested-question-list {
  display: flex;
  flex-wrap: wrap;
}

.hero-tags { gap: 10px; margin-top: 26px; }
.hero-action-row { gap: 12px; margin-top: 26px; }
.hero-top-nav .hero-nav-pills {
  justify-content: flex-end;
}

.hero-nav-pills {
  gap: 10px;
}

  .hero-nav-pill {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.14);
}

.hero-top-nav .hero-nav-pill {
  background: rgba(255, 255, 255, 0.08);
  color: #eef7f4;
  border-color: rgba(255, 255, 255, 0.12);
}


.hero-nav-pill.active {
  background: rgba(45, 192, 178, 0.18);
  color: #ecfff9;
  border-color: rgba(45, 192, 178, 0.34);
}

.hero-action,
.ghost-button,
.question-chip,
.hero-nav-pill,
.inline-link-button,
.back-to-top {
  appearance: none;
  border: 1px solid rgba(16, 32, 40, 0.14);
  color: var(--text-dark);
  background: rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  padding: 11px 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.hero-action:hover,
.ghost-button:hover,
.question-chip:hover,
.hero-nav-pill:hover,
.inline-link-button:hover,
.back-to-top:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(10, 24, 30, 0.12);
  border-color: rgba(45, 192, 178, 0.35);
}

.hero-action.primary,
.hero-nav-pill-strong,
.back-to-top {
  background: linear-gradient(135deg, rgba(45, 192, 178, 0.96), rgba(31, 165, 154, 0.96));
  color: #f7fffc;
  border-color: rgba(45, 192, 178, 0.42);
}

.hero-tag,
.status-pill {
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.83rem;
}

.hero-tag { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.08); }
.hero-tag-verified,
.status-pill {
  background: rgba(142, 226, 164, 0.12);
  color: var(--accent-verified);
  border: 1px solid rgba(142, 226, 164, 0.32);
}

.hero-orbital-card {
  background:
    radial-gradient(circle at 18% 24%, rgba(45, 192, 178, 0.15), transparent 34%),
    linear-gradient(160deg, rgba(245, 247, 242, 0.98), rgba(229, 236, 230, 0.92));
  color: var(--text-dark);
  border-radius: 34px;
  padding: 26px;
}

.orbital-card-header,
.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: flex-start;
}

.orbital-card-header span:first-child {
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #5d736f;
}

.orbital-metrics { display: grid; gap: 18px; margin-top: 30px; }
.orbital-metrics strong { display: block; font-size: 1.8rem; margin-bottom: 4px; font-family: "Bahnschrift", sans-serif; }
.orbital-metrics span { color: #566661; }



.dashboard-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 22px; }
.dashboard-grid.has-visible-section { margin-top: 4px; }
section[id] { scroll-margin-top: calc(var(--sticky-offset) + 16px); }
.section-hidden { display: none !important; }
.section-visible { display: block !important; animation: sectionReveal 0.28s ease; }

@keyframes sectionReveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-card {
  background: var(--bg-panel);
  color: var(--text-dark);
  border-radius: var(--radius-xl);
  padding: 28px;
}

.spotlight-card,
.performance-card,
.formula-card,
.ai-card { grid-column: span 12; }

.correctness-card,
.tradeoff-card,
.recommendation-card { grid-column: span 6; }

.section-heading h2 { margin: 4px 0 0; font-size: 1.6rem; font-family: "Bahnschrift", sans-serif; }
.section-note { margin: 10px 0 0; max-width: 68ch; color: #647572; line-height: 1.5; }
.ghost-link { display: inline-flex; align-items: center; text-decoration: none; }
.ghost-button:disabled { cursor: wait; opacity: 0.72; }

.metrics-grid,
.correctness-grid,
.summary-cards,
.formula-cards,
.tradeoff-grid,
.recommendation-grid,
.ai-diagnostic-grid,
.analysis-findings-grid,
.analysis-category-grid,
.analysis-recommendation-grid {
  display: grid;
  gap: 16px;
}

.metrics-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 22px; }
.correctness-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 22px; }
.summary-cards { grid-template-columns: 1fr; }
.tradeoff-grid,
.recommendation-grid { margin-top: 22px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.ai-diagnostic-grid { grid-template-columns: 1.1fr 0.9fr; margin-top: 18px; }
.analysis-findings-grid,
.analysis-category-grid,
.analysis-recommendation-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 18px; }

.metric-card,
.correctness-card-item,
.summary-card,
.formula-card-item,
.tradeoff-item,
.recommendation-item,
.ai-highlight-card,
.analysis-card,
.ask-benchmark-response {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(16, 32, 40, 0.08);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-soft);
}

.metric-card .metric-label,
.summary-card .metric-label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #70807d;
}

.metric-card .metric-value,
.summary-card .metric-value { display: block; margin-top: 12px; font-size: 1.8rem; font-family: "Bahnschrift", sans-serif; }
.metric-support { color: #5b6d69; margin-top: 8px; line-height: 1.45; }

.correctness-card-item { position: relative; overflow: hidden; }
.correctness-card-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--accent-verified), #2dc0b2);
}

.correctness-card-item h3,
.tradeoff-item h3,
.recommendation-item h3,
.formula-card-item h3 { margin: 0 0 8px; font-size: 1.1rem; }

.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: 999px;
  color: #11613a;
  background: rgba(142, 226, 164, 0.22);
  border: 1px solid rgba(142, 226, 164, 0.5);
}

.performance-layout,
.formula-visuals { display: grid; gap: 18px; margin-top: 22px; }
.performance-layout { grid-template-columns: minmax(280px, 420px) minmax(0, 1fr); }
.formula-visuals { grid-template-columns: 1.15fr 0.95fr; }
.formula-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; }

.summary-card.top-method { background: linear-gradient(160deg, rgba(255, 143, 63, 0.16), rgba(255, 255, 255, 0.94)); }
.summary-card .summary-topline { display: flex; justify-content: space-between; gap: 10px; align-items: center; }

.method-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.82rem;
  background: rgba(16, 32, 40, 0.06);
}

.method-chip::before,
.legend-swatch {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
}

.method-chip.method-csharp::before,
.legend-swatch.method-csharp { background: var(--accent-csharp); }
.method-chip.method-sql::before,
.legend-swatch.method-sql { background: var(--accent-sql); }
.method-chip.method-python::before,
.legend-swatch.method-python { background: var(--accent-python); }

.chart-panel {
  background: rgba(12, 24, 30, 0.98);
  color: var(--text);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.chart-panel.wide { min-height: 360px; }
.chart-panel-header h3 { margin: 0; font-size: 1.18rem; }
.chart-panel-header p { margin: 8px 0 0; color: #a3b8b4; }
.bar-chart { display: grid; gap: 14px; margin-top: 24px; }
.bar-row { display: grid; grid-template-columns: 150px minmax(0, 1fr) 88px; gap: 14px; align-items: center; }
.bar-track,
.score-track,
.mini-track {
  border-radius: 999px;
  overflow: hidden;
}
.bar-track { position: relative; height: 16px; background: rgba(255, 255, 255, 0.08); }
.bar-fill,
.score-fill,
.mini-fill { height: 100%; border-radius: inherit; }

.formula-toolbar { display: flex; gap: 12px; align-items: center; margin-top: 22px; flex-wrap: wrap; }
.formula-toolbar select { border-radius: 999px; padding: 10px 14px; border: 1px solid rgba(16, 32, 40, 0.1); background: #fff; font: inherit; }
.formula-card-item .formula-meta { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 10px; }
.formula-code { display: block; font-family: Consolas, "Courier New", monospace; background: rgba(16, 32, 40, 0.06); padding: 10px 12px; border-radius: 14px; margin: 8px 0 12px; word-break: break-word; }
.formula-metrics { display: grid; gap: 8px; }
.formula-metric-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 10px; align-items: center; font-size: 0.95rem; }
.mini-track { height: 9px; background: rgba(16, 32, 40, 0.08); }

.tradeoff-list { display: grid; gap: 10px; margin-top: 14px; }
.tradeoff-meta-label { margin: 14px 0 10px; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.12em; color: #7e8f8c; }
.score-row { display: grid; grid-template-columns: 150px minmax(0, 1fr) auto; gap: 12px; align-items: center; font-size: 0.92rem; }
.score-track { height: 10px; background: rgba(16, 32, 40, 0.08); }
.score-fill { background: linear-gradient(90deg, #2dc0b2, #ff8f3f); }

.recommendation-item { min-height: 190px; }
.recommendation-item .method-emphasis { display: inline-flex; margin: 10px 0 14px; font-family: "Bahnschrift", sans-serif; font-size: 1.55rem; }

.ai-card .ai-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 18px;
  background: rgba(255, 143, 63, 0.08);
  border: 1px solid rgba(255, 143, 63, 0.2);
  border-radius: 18px;
  margin-top: 20px;
}

.ai-actions { gap: 10px; }
.ask-benchmark-shell { margin-top: 20px; padding: 20px; background: rgba(16, 32, 40, 0.03); border: 1px solid rgba(16, 32, 40, 0.08); border-radius: 22px; }
.suggested-question-list { gap: 10px; margin-top: 14px; }
.ask-benchmark-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: start; margin-top: 16px; }

.benchmark-question-input {
  min-height: 110px;
  border-radius: 18px;
  border: 1px solid rgba(16, 32, 40, 0.1);
  background: rgba(255, 255, 255, 0.92);
  padding: 14px 16px;
  font: inherit;
  color: var(--text-dark);
  resize: vertical;
}

.answer-intent-label { margin: 0 0 8px; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.12em; color: #73938e; }
.benchmark-answer-text { margin: 0; line-height: 1.7; color: #445651; }
.answer-evidence-title { margin: 16px 0 8px; font-size: 0.86rem; text-transform: uppercase; letter-spacing: 0.12em; color: #70807d; }
.answer-evidence-list { margin: 0; padding-left: 18px; color: #4f625d; line-height: 1.65; }
.analysis-status { margin: 16px 0 0; color: #59706b; line-height: 1.6; }
.analysis-status-error { color: #9b2f23; }
.analysis-freshness { margin-top: 8px; color: #70807d; font-size: 0.92rem; }
.ai-subsection { margin-top: 22px; }
.compact-heading h3 { margin: 0; font-size: 1.15rem; }
.analysis-card strong,
.ai-highlight-card strong { display: block; margin: 6px 0 8px; font-size: 1.15rem; color: #102028; }
.analysis-card p,
.ai-highlight-card p { margin: 0; line-height: 1.6; color: #50635f; }
.analysis-executive-summary { font-size: 1.02rem; }
.analysis-warning-grid { display: grid; gap: 12px; }
.analysis-warning-item { padding: 12px 14px; border-radius: 18px; background: rgba(255, 143, 63, 0.12); border: 1px solid rgba(255, 143, 63, 0.24); }
.analysis-warning-item strong { display: block; color: #7d3b0f; margin-bottom: 4px; }
.analysis-warning-item p { margin: 0; color: #6a5b4b; line-height: 1.5; }

.prose-block { margin-top: 20px; background: rgba(255, 255, 255, 0.72); border-radius: 22px; padding: 22px; line-height: 1.75; }
.prose-block h2,
.prose-block h3 { font-family: "Bahnschrift", sans-serif; }

.overlay-state {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 10, 0.72);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  z-index: 40;
}

.hidden,
.overlay-state.hidden { display: none; }

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 25;
}

svg { width: 100%; height: 320px; display: block; }
.axis-label,
.chart-note { fill: rgba(231, 240, 232, 0.78); font-size: 12px; font-family: "Segoe UI Variable Display", sans-serif; }
.grid-line { stroke: rgba(255, 255, 255, 0.1); stroke-dasharray: 4 7; }
.trend-line { fill: none; stroke-width: 3.4; }
.trend-point { stroke: rgba(11, 20, 24, 0.84); stroke-width: 2.5; }

@media (max-width: 1180px) {
  .hero-top-nav,
  .hero-section,
  .performance-layout,
  .formula-visuals,
  .correctness-grid,
  .tradeoff-grid,
  .recommendation-grid,
  .metrics-grid,
  .ai-diagnostic-grid,
  .analysis-findings-grid,
  .analysis-category-grid,
  .analysis-recommendation-grid,
    grid-template-columns: 1fr;
  }

  .correctness-card,
  .tradeoff-card,
  .recommendation-card { grid-column: span 12; }
}

@media (max-width: 820px) {
  :root { --sticky-offset: 92px; }
  body { padding: 16px; }

  .hero-top-nav {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .hero-copy,
  .hero-orbital-card,
  .section-card { padding: 20px; border-radius: 24px; }

  .dashboard-grid { gap: 16px; }
  .formula-cards { grid-template-columns: 1fr; }

  .bar-row,
  .score-row,
  .formula-metric-row,
  .ask-benchmark-form { grid-template-columns: 1fr; }

  .hero-nav-pills,
  .ai-actions {
    width: 100%;
  }


  .hero-action,
  .ghost-button,
  .ghost-link,
  .hero-nav-pill,
  .inline-link-button {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .back-to-top { right: 16px; left: 16px; bottom: 16px; }
}