:root {
  --bg: #08070c;
  --bg-elevated: #100e18;
  --card: #15121f;
  --card-border: rgba(168, 130, 255, 0.14);
  --purple-1: #7c3aed;
  --purple-2: #a78bfa;
  --purple-glow: rgba(139, 92, 246, 0.35);
  --text-primary: #f2f0f7;
  --text-secondary: #a8a4b8;
  --text-tertiary: #6b6780;
  --mono: 'JetBrains Mono', monospace;
  --display: 'Space Grotesk', sans-serif;
  --body-font: 'Inter', sans-serif;
  --radius: 20px;
  --radius-sm: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--body-font);
  line-height: 1.6;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 900px 500px at 10% -10%, rgba(124, 58, 237, 0.16), transparent),
    radial-gradient(ellipse 700px 500px at 100% 20%, rgba(167, 139, 250, 0.10), transparent);
  background-attachment: fixed;
}

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

::selection { background: var(--purple-glow); color: #fff; }

:focus-visible {
  outline: 2px solid var(--purple-2);
  outline-offset: 3px;
  border-radius: 4px;
}

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 6vw;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-secondary);
}

.nav-back {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 16px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  transition: all 0.25s ease;
}

.nav-back:hover {
  color: var(--text-primary);
  border-color: var(--purple-2);
  background: rgba(124, 58, 237, 0.08);
}

main { max-width: 1160px; margin: 0 auto; padding: 0 5vw 80px; }

/* HERO */
.hero {
  padding: 60px 0 70px;
  border-bottom: 1px solid var(--card-border);
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--purple-2);
  margin-bottom: 18px;
}

.hero-title {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.accent-text {
  background: linear-gradient(90deg, var(--purple-1), var(--purple-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--text-secondary);
  margin-top: 18px;
  font-weight: 500;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(124, 58, 237, 0.12);
  border: 1px solid rgba(167, 139, 250, 0.25);
  color: var(--purple-2);
}

.hero-desc {
  margin-top: 28px;
  max-width: 700px;
  color: var(--text-secondary);
  font-size: 15.5px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 40px;
}

.meta-item { display: flex; flex-direction: column; gap: 4px; }

.meta-num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
}

.meta-label {
  font-size: 12px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-divider {
  width: 1px;
  height: 32px;
  background: var(--card-border);
}

/* SECTION */
.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--card-border);
}

.section-dashboard { border-bottom: none; }

.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(26px, 4vw, 36px);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.section-text {
  color: var(--text-secondary);
  font-size: 15.5px;
  max-width: 760px;
  margin-bottom: 16px;
}

.section-text strong { color: var(--text-primary); font-weight: 600; }

.term-note {
  color: var(--text-tertiary);
  font-weight: 400;
  font-size: 0.92em;
}

.section-note {
  font-size: 14px;
  color: var(--text-tertiary);
  border-left: 2px solid var(--card-border);
  padding-left: 14px;
  margin: 14px 0;
}

.section-text code,
.data-table code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(167, 139, 250, 0.1);
  color: var(--purple-2);
  padding: 2px 6px;
  border-radius: 5px;
}

.dataset-table td:first-child,
.dataset-table th:first-child { white-space: nowrap; }

.cell-sig {
  color: var(--purple-2);
  font-weight: 600;
  font-family: var(--mono);
  font-size: 0.85em;
}

.cell-nosig {
  color: var(--text-tertiary);
  font-family: var(--mono);
  font-size: 0.85em;
}

.problem-quote {
  font-family: var(--display);
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text-primary);
  border-left: 3px solid var(--purple-1);
  padding-left: 22px;
  margin: 24px 0;
  max-width: 720px;
}

/* FLOW */
.flow {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin: 32px 0;
}

.flow-step {
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.flow-final {
  color: var(--purple-2);
  border-color: rgba(167, 139, 250, 0.4);
  background: rgba(124, 58, 237, 0.1);
}

.flow-arrow {
  color: var(--text-tertiary);
  padding-left: 22px;
  font-size: 13px;
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.tool-pill {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  background: var(--bg-elevated);
}

/* FINDINGS */
.finding-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.finding-card {
  background: linear-gradient(155deg, var(--card), var(--bg-elevated));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.finding-card:hover {
  border-color: rgba(167, 139, 250, 0.4);
  transform: translateY(-2px);
}

.finding-num {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  background: linear-gradient(90deg, var(--purple-2), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.finding-unit {
  font-size: 0.5em;
  margin-left: 4px;
  color: var(--purple-2);
  -webkit-text-fill-color: var(--purple-2);
}

.finding-label {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* EDA */
.eda-block { margin-bottom: 48px; }
.eda-block:last-child { margin-bottom: 0; }

.eda-q {
  font-family: var(--display);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.eda-insight {
  font-size: 14px;
  color: var(--purple-2);
  background: rgba(124, 58, 237, 0.08);
  border-left: 2px solid var(--purple-1);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin-top: 16px;
}

.bar-compare {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 18px 0;
}

.bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 60px;
  align-items: center;
  gap: 12px;
}

.bar-label {
  font-size: 13px;
  color: var(--text-secondary);
}

.bar-track {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--purple-1), var(--purple-2));
  border-radius: 999px;
}

.bar-value {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-primary);
  text-align: right;
}

.table-wrap { overflow-x: auto; margin: 18px 0; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 420px;
}

.dataset-table { min-width: 560px; }
.dataset-table td:last-child { color: var(--text-secondary); }

.data-table th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--card-border);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-secondary);
}

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

.highlight-cell {
  color: var(--purple-2);
  font-weight: 600;
  font-family: var(--mono);
}

.split-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 18px;
}

.split-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

/* STATS */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 26px 0;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--card-border);
  background: var(--card);
}

.stat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stat-sig .stat-dot { background: var(--purple-2); box-shadow: 0 0 8px var(--purple-glow); }
.stat-nosig .stat-dot { background: var(--text-tertiary); }

.stat-var {
  font-size: 14px;
  color: var(--text-primary);
  flex: 1;
}

.stat-result {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
}

.stat-sig .stat-result { color: var(--purple-2); }
.stat-nosig .stat-result { color: var(--text-tertiary); }

/* INSIGHTS */
.insight-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 20px;
}

.insight-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--card-border);
}

.insight-item:last-child { border-bottom: 1px solid var(--card-border); }

.insight-index {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--purple-2);
  padding-top: 3px;
}

.insight-item h4 {
  font-family: var(--display);
  font-size: 16.5px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.insight-item p {
  font-size: 14.5px;
  color: var(--text-secondary);
}

/* DASHBOARD — full-bleed section that breaks out of the 900px reading column */
.full-bleed {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding-left: 5vw;
  padding-right: 5vw;
}

.section-dashboard .section-eyebrow,
.section-dashboard .section-title,
.section-dashboard .section-text,
.section-dashboard .btn-primary {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-dashboard .section-eyebrow,
.section-dashboard .section-title { margin-left: 0; margin-right: 0; }

.dashboard-frame {
  margin: 28px 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--card-border);
  background: var(--card);
  padding: 12px;
  max-width: 1720px;
  margin-left: auto;
  margin-right: auto;
}

.dashboard-iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 480px;
  border: none;
  border-radius: calc(var(--radius) - 8px);
  display: block;
  background: #fff;
}

.dashboard-fallback {
  display: block;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 720px) {
  .dashboard-iframe {
    aspect-ratio: 4 / 5;
    min-height: 420px;
  }
  .full-bleed {
    padding-left: 5vw;
    padding-right: 5vw;
  }
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  transition: all 0.25s ease;
}

.btn-primary {
  background: linear-gradient(90deg, var(--purple-1), var(--purple-2));
  color: #fff;
  box-shadow: 0 8px 24px -8px var(--purple-glow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px var(--purple-glow); }

.btn-secondary {
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  background: var(--card);
}

.btn-secondary:hover { border-color: var(--purple-2); color: var(--purple-2); }

.dashboard-fallback { margin-top: 8px; }

/* FOOTER */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40px 6vw 20px;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-back {
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-back:hover { color: var(--purple-2); }

.footer-credit {
  font-size: 12.5px;
  color: var(--text-tertiary);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .finding-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .finding-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .split-two { grid-template-columns: 1fr; gap: 28px; }
  .bar-row { grid-template-columns: 90px 1fr 50px; }
  .hero { padding: 44px 0 50px; }
  .section { padding: 48px 0; }
  .insight-item { grid-template-columns: 32px 1fr; }
}

@media (max-width: 480px) {
  .nav { padding: 20px 5vw; }
  .hero-meta { gap: 16px; flex-wrap: wrap; }
}