:root {
  color-scheme: dark;
  --bg: #0a0e16;
  --bg-soft: #0f1521;
  --panel: #121a28;
  --panel-2: #18222f;
  --line: #233044;
  --line-soft: #1a2433;
  --ink: #eef2f8;
  --muted: #93a1b5;
  --faint: #5f6e84;
  --accent: #2dd4bf;
  --accent-2: #f59e0b;
  --accent-3: #818cf8;
  --accent-4: #f472b6;
  --good: #34d399;
  --bad: #f87171;
  --radius: 14px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 18px 40px -24px rgba(0, 0, 0, 0.8);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(45, 212, 191, 0.10), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(129, 140, 248, 0.10), transparent 55%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
}

/* ---------------- Nav ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(10, 14, 22, 0.72);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand .spark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  display: grid;
  place-items: center;
  font-size: 15px;
  color: #06121a;
  font-weight: 900;
}
.nav-links {
  margin-left: auto;
  display: flex;
  gap: 18px;
  align-items: center;
  font-size: 14px;
}
.nav-links a {
  color: var(--muted);
}
.nav-links a:hover {
  color: var(--ink);
  text-decoration: none;
}
.btn {
  border: 1px solid var(--line);
  padding: 7px 13px;
  border-radius: 9px;
  color: var(--ink) !important;
  background: var(--panel-2);
  font-weight: 600;
}
.btn:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* ---------------- Hero ---------------- */
.hero {
  padding: 56px 0 28px;
}
.eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  background: rgba(45, 212, 191, 0.06);
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 20px 0 14px;
  background: linear-gradient(180deg, #ffffff, #aebed5);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  max-width: 14ch;
}
.hero p.lead {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--muted);
  max-width: 64ch;
  margin: 0 0 26px;
}
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cta {
  border-radius: 10px;
  padding: 11px 18px;
  font-weight: 650;
  font-size: 15px;
}
.cta.primary {
  background: linear-gradient(135deg, var(--accent), #14b8a6);
  color: #04130f !important;
}
.cta.ghost {
  border: 1px solid var(--line);
  color: var(--ink) !important;
  background: var(--panel);
}
.cta:hover {
  text-decoration: none;
  filter: brightness(1.05);
}

/* ---------------- Stat chips ---------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-top: 38px;
}
.stat {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow);
}
.stat .num {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.stat .cap {
  font-size: 12px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

/* ---------------- Sections ---------------- */
section.block {
  padding: 44px 0;
  border-top: 1px solid var(--line-soft);
}
.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.sec-head h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: -0.02em;
  margin: 0;
}
.sec-head p {
  color: var(--muted);
  margin: 6px 0 0;
  max-width: 60ch;
  font-size: 15px;
}

/* ---------------- Findings cards ---------------- */
.findings {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.finding {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.finding::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
}
.finding .task-tag {
  font-size: 12px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.finding .winner {
  font-size: 19px;
  font-weight: 700;
  margin: 6px 0 10px;
}
.finding .detail {
  font-size: 14px;
  color: var(--muted);
  font-family: var(--mono);
}
.finding .detail b {
  color: var(--ink);
}

/* ---------------- Controls ---------------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.controls {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: flex-end;
  padding: 16px 18px;
  margin-bottom: 16px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 12px;
  color: var(--faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.seg {
  display: inline-flex;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}
.seg button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  padding: 7px 13px;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
}
.seg button.active {
  background: var(--panel-2);
  color: var(--ink);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05) inset;
}
.seg button:hover {
  color: var(--ink);
}

/* ---------------- Chart ---------------- */
.chart-card {
  padding: 18px;
}
.chart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.legend .item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.legend .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.chart-canvas-wrap {
  position: relative;
}
canvas {
  width: 100%;
  height: auto;
  display: block;
}
.tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(7, 11, 18, 0.96);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
  font-size: 12.5px;
  color: var(--ink);
  opacity: 0;
  transform: translate(-50%, -115%);
  transition: opacity 0.08s;
  white-space: nowrap;
  box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.9);
  z-index: 5;
}
.tooltip .t-strat {
  font-weight: 700;
  margin-bottom: 3px;
}
.tooltip .t-row {
  font-family: var(--mono);
  color: var(--muted);
}
.note {
  font-size: 13px;
  color: var(--faint);
  margin-top: 12px;
}

/* ---------------- Strategy bars ---------------- */
.strat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.strat {
  padding: 18px;
}
.strat h3 {
  margin: 0 0 4px;
  font-size: 16px;
  display: flex;
  align-items: center;
  gap: 9px;
}
.strat h3 .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.strat .sub {
  font-size: 12.5px;
  color: var(--faint);
  margin-bottom: 16px;
  min-height: 32px;
}
.bar {
  margin: 12px 0;
}
.bar .bl {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
}
.bar .bl b {
  font-family: var(--mono);
  color: var(--ink);
}
.bar .track {
  height: 7px;
  border-radius: 999px;
  background: var(--bg-soft);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}
.bar .fill {
  height: 100%;
  border-radius: 999px;
}

/* ---------------- Table ---------------- */
.table-card {
  padding: 6px 4px;
}
.table-scroll {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  min-width: 760px;
}
th,
td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}
th {
  color: var(--faint);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  position: sticky;
  top: 0;
  background: var(--panel);
}
td.num,
th.num {
  font-family: var(--mono);
  text-align: right;
}
tr.frontier td {
  background: rgba(45, 212, 191, 0.06);
}
.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--mono);
}
.pill.front {
  color: var(--accent);
  background: rgba(45, 212, 191, 0.12);
}
.strat-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.strat-tag .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

/* ---------------- Classifier ---------------- */
.clf-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
}
.metric-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.kmetric {
  background: var(--bg-soft);
  border: 1px solid var(--line-soft);
  border-radius: 11px;
  padding: 14px;
}
.kmetric .v {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 700;
}
.kmetric .k {
  font-size: 12px;
  color: var(--faint);
  margin-top: 2px;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.chip {
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}
.chip.drop {
  color: var(--accent-2);
  border-color: rgba(245, 158, 11, 0.3);
}
.chip.keep {
  color: var(--good);
  border-color: rgba(52, 211, 153, 0.3);
}
.clf-card {
  padding: 18px;
}
.clf-card h3 {
  margin: 0 0 4px;
  font-size: 16px;
}
.clf-card .sub {
  color: var(--faint);
  font-size: 13px;
  margin-bottom: 14px;
}

/* ---------------- Methodology ---------------- */
.method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}
.method {
  padding: 18px;
}
.method h3 {
  font-size: 15px;
  margin: 0 0 8px;
}
.method ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}
.method li {
  margin: 6px 0;
}
.method code {
  font-family: var(--mono);
  font-size: 12.5px;
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--accent);
}

/* ---------------- Footer ---------------- */
footer {
  border-top: 1px solid var(--line-soft);
  padding: 30px 0 60px;
  color: var(--faint);
  font-size: 13.5px;
}
footer a {
  color: var(--muted);
}

.error-box {
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.4);
  color: #fecaca;
  padding: 16px 18px;
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
}

@media (max-width: 860px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .findings {
    grid-template-columns: 1fr;
  }
  .clf-grid {
    grid-template-columns: 1fr;
  }
}