/* ============ TOKENS ============ */
:root {
  --bg: #0a0612;
  --bg-alt: #0f0a1c;
  --surface: rgba(255,255,255,0.035);
  --surface-border: rgba(255,255,255,0.09);
  --violet-1: #7c3aed;
  --violet-2: #a78bfa;
  --text-primary: #f4f2fa;
  --text-secondary: #b9b3cc;
  --text-muted: #857f9c;
  --red: #f87171;
  --green: #4ade80;

  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;

  --max-width: 1400px;
  --narrow-width: 760px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -5%, rgba(124,58,237,0.18), transparent),
    radial-gradient(ellipse 700px 500px at 90% 10%, rgba(167,139,250,0.10), transparent);
  background-repeat: no-repeat;
}

a { color: inherit; }
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(167,139,250,0.12);
  color: var(--violet-2);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

:focus-visible {
  outline: 2px solid var(--violet-2);
  outline-offset: 3px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}
.container--narrow {
  max-width: var(--narrow-width);
}
.container.center { text-align: center; }

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

.term {
  font-size: 0.82em;
  color: var(--text-muted);
  font-style: italic;
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: linear-gradient(90deg, var(--violet-1), var(--violet-2));
  color: #fff;
}
.btn--primary:hover { filter: brightness(1.08); }

.btn--outline {
  background: transparent;
  border-color: var(--surface-border);
  color: var(--text-primary);
}
.btn--outline:hover { border-color: var(--violet-2); }

.btn--ghost {
  background: rgba(255,255,255,0.03);
  border-color: var(--surface-border);
  color: var(--text-secondary);
}
.btn--small { padding: 8px 16px; font-size: 0.85rem; }
.btn--large { padding: 18px 36px; font-size: 1.05rem; }

/* ============ HEADER / FOOTER ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10,6,18,0.7);
  border-bottom: 1px solid var(--surface-border);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-header__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}

.site-footer {
  border-top: 1px solid var(--surface-border);
  margin-top: 40px;
  padding: 36px 0;
}
.site-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ============ HERO ============ */
.hero {
  padding: 90px 0 70px;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--violet-2);
  margin-bottom: 18px;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.06;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 0 28px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--surface-border);
  background: var(--surface);
  color: var(--violet-2);
}

.hero__desc {
  max-width: var(--narrow-width);
  color: var(--text-secondary);
  font-size: 1.02rem;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 60px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--surface-border);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.hero__stat {
  background: var(--bg-alt);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--text-primary);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.4;
}
.hero__stats-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.hero__stats-note a {
  color: var(--violet-2);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============ SPLIT LAYOUT (label + content, fills width) ============ */
.split {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: start;
}
.split__label {
  position: sticky;
  top: 100px;
}
.split__content {
  min-width: 0;
}
.split__content > .body-text,
.split__content > .pull-quote,
.split__content > p,
.split__content > .callout,
.split__content > .numbered-list,
.split__content > .finding > .body-text {
  max-width: 640px;
}
.split__content .finding__q {
  max-width: 640px;
}

/* ============ SECTIONS ============ */
.section {
  padding: 84px 0;
}
.section--alt {
  background: var(--bg-alt);
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--violet-2);
  margin: 0 0 14px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  margin: 0 0 20px;
  letter-spacing: -0.01em;
}
.section-lead {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: var(--narrow-width);
  margin-bottom: 30px;
}
.body-text {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 18px;
}
.body-text.muted {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ============ DATASET META ============ */
.dataset-meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 30px;
  padding: 24px 0;
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}
.dataset-meta__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dataset-meta__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--violet-2);
}
.dataset-meta__label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============ TABLE ============ */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 24px;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.data-table th, .data-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--surface-border);
}
.data-table thead th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--violet-2);
  background: rgba(124,58,237,0.06);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table td { color: var(--text-secondary); }

/* ============ CALLOUT ============ */
.callout {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-left: 3px solid var(--violet-1);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.callout--insight { border-left-color: var(--violet-2); }
.callout--warning { border-left-color: var(--red); }

/* ============ PULL QUOTE ============ */
.pull-quote {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.6vw, 1.55rem);
  line-height: 1.45;
  color: var(--text-primary);
  border-left: 3px solid var(--violet-1);
  padding-left: 24px;
  margin: 0 0 30px;
}

/* ============ NUMBERED LIST ============ */
.numbered-list {
  padding-left: 0;
  list-style: none;
  counter-reset: item;
  margin: 0 0 20px;
}
.numbered-list li {
  counter-increment: item;
  position: relative;
  padding-left: 40px;
  margin-bottom: 16px;
  color: var(--text-secondary);
}
.numbered-list li::before {
  content: counter(item);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--violet-2);
  font-size: 0.85rem;
  width: 26px;
  height: 26px;
  border: 1px solid var(--surface-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.numbered-list--big li {
  padding-left: 46px;
  margin-bottom: 26px;
  font-size: 1rem;
}
.numbered-list--big li strong {
  display: block;
  color: var(--text-primary);
  margin-bottom: 4px;
}

/* ============ FLOW (analysis approach) ============ */
.flow {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 34px;
  border-top: 1px solid var(--surface-border);
}
.flow__step {
  padding: 20px 0;
  border-bottom: 1px solid var(--surface-border);
}
.flow__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--violet-2);
  display: block;
  margin-bottom: 6px;
}
.flow__step p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tool-chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: rgba(167,139,250,0.08);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
}

/* ============ FINDINGS CONTEXT BOX (New Addition) ============ */
.findings-context-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin: 24px 0 36px 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.findings-context-box p {
  margin: 0 0 12px 0;
}
.findings-context-box p:last-child {
  margin-bottom: 0;
}
.findings-context-sub {
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 16px !important;
  margin-bottom: 8px !important;
}
.findings-context-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
}
.findings-context-list li {
  margin-bottom: 6px;
}
.findings-context-list strong {
  color: var(--text-primary);
}

/* ============ BENTO (key findings) ============ */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.bento__card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bento__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 2rem;
  background: linear-gradient(90deg, var(--violet-1), var(--violet-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bento__label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}
.bento__label .term { display: block; margin-top: 2px; }
.bento__desc-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
  margin: -4px 0 2px 0;
}
.bento__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0;
}
.bento-note {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ============ FINDINGS (deep dive) ============ */
.finding {
  margin-bottom: 52px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--surface-border);
}
.finding:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.finding__q {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0 0 16px;
  color: var(--text-primary);
}

/* ============ METHOD GRID (statistical validation) ============ */
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
  align-items: start;
}
.method-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.method-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 14px;
  color: var(--violet-2);
}
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}
.stat-chip {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
}
.stat-chip--yes { color: var(--green); border-color: rgba(74,222,128,0.3); }
.stat-chip--weak { color: #fbbf24; border-color: rgba(251,191,36,0.3); }

/* ============ DASHBOARD (full-bleed) ============ */
.section--dashboard {
  padding-top: 84px;
  padding-bottom: 84px;
}
.section--dashboard .section-lead { margin-bottom: 40px; }
.dashboard-embed {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  margin-bottom: 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}
.dashboard-embed iframe {
  width: 100%;
  height: 780px;
  border: none;
  display: block;
}

/* ============ CTA (source code) ============ */
.section--cta {
  text-align: center;
}
.section--cta .body-text {
  max-width: var(--narrow-width);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 30px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .bento { grid-template-columns: repeat(2, 1fr); }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 220px 1fr; gap: 36px; }
}

@media (max-width: 820px) {
  .split { grid-template-columns: 1fr; gap: 20px; }
  .split__label { position: static; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .hero { padding: 60px 0 50px; }
  .section { padding: 56px 0; }
  .bento { grid-template-columns: 1fr; }
  .hero__stats { grid-template-columns: 1fr 1fr; }
  .site-header__inner { padding: 14px 20px; }
  .dashboard-embed iframe { height: 520px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .dataset-meta { gap: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}