:root {
  --ink: #0b0c0a;
  --ink-2: #121410;
  --panel: #171914;
  --line: rgba(242, 239, 230, 0.1);
  --line-strong: rgba(242, 239, 230, 0.18);
  --ivory: #f4f0e6;
  --ivory-dim: #b8b3a6;
  --mute: #817c70;
  --bronze: #c9a36a;
  --bronze-2: #e8c48a;
  --ok: #8fbf8a;
  --warn: #d4a05a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --chatgpt: #10a37f;
  --gemini: #6ea8ff;
  --claude: #e08a68;
  --deepseek: #6b7cff;
  --grok: #d8d4c8;
  --perplexity: #3ec8d6;
  --copilot: #8b97ff;
  --meta: #5b9dff;
  --kimi: #c98bff;
  --qwen: #ff8a6b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(201, 163, 106, 0.08), transparent 55%),
    radial-gradient(900px 500px at -10% 20%, rgba(110, 168, 255, 0.05), transparent 50%),
    var(--ink);
  color: var(--ivory);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
}

a { color: inherit; }
button, input { font: inherit; }
html, body { max-width: 100%; }
.wrap {
  width: 100%;
  max-width: 1180px;
  padding: 0 20px;
  margin: 0 auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--bronze);
  color: #1a140c;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { left: 12px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(11, 12, 10, 0.78);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 20px;
}
.mark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.mark-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--bronze);
  box-shadow: 0 0 0 4px rgba(201, 163, 106, 0.15);
}
.nav {
  display: flex;
  gap: 22px;
  color: var(--ivory-dim);
  font-size: 13px;
}
.nav a { text-decoration: none; }
.nav a:hover { color: var(--ivory); }
.asof {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero {
  padding: 84px 0 36px;
}
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 18px;
  max-width: 100%;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  max-width: 14ch;
}
.hero h1 em {
  font-style: italic;
  color: var(--bronze-2);
}
.lede {
  max-width: 68ch;
  color: var(--ivory-dim);
  font-size: 18px;
  margin: 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin: 56px 0 72px;
}
.stat {
  background: var(--ink-2);
  padding: 22px 20px 20px;
}
.stat b {
  display: block;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 8px;
}
.stat span {
  color: var(--mute);
  font-size: 13px;
}

.section { padding: 28px 0 64px; }
.section h2 {
  font-family: var(--serif);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 400;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}
.section p.sub {
  color: var(--ivory-dim);
  max-width: 62ch;
  margin: 0;
}
.note {
  font-size: 13px;
  color: var(--mute);
  max-width: 46ch;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
}
.chart-card, .panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent 40%), var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.pie-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: center;
}
.pie {
  width: 280px;
  height: 280px;
  position: relative;
}
.pie svg { width: 100%; height: 100%; overflow: visible; }
.slice {
  cursor: pointer;
  transform-origin: 50% 50%;
  transition: opacity 180ms ease, filter 180ms ease;
}
.slice:hover, .slice.active { filter: brightness(1.08); }
.slice.dim { opacity: 0.28; }
.pie-center {
  position: absolute;
  inset: 72px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  pointer-events: none;
}
.pie-center strong {
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 400;
  line-height: 1;
}
.pie-center span {
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 6px;
  max-width: 12ch;
}
.legend { display: grid; gap: 8px; }
.legend button {
  display: grid;
  grid-template-columns: 12px 1fr auto;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: transparent;
  border: 0;
  color: inherit;
  text-align: left;
  padding: 7px 8px;
  border-radius: 8px;
  cursor: pointer;
}
.legend button:hover, .legend button.active { background: rgba(255,255,255,0.04); }
.swatch { width: 12px; height: 12px; border-radius: 3px; }
.legend .name { font-size: 14px; }
.legend .pct {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ivory-dim);
}

.take {
  margin-top: 22px;
  color: var(--ivory-dim);
}
.take strong { color: var(--ivory); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.panel h3 {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  font-weight: 600;
}
.panel .hint {
  color: var(--mute);
  font-size: 13px;
  margin: 0 0 22px;
}
.bar-row {
  display: grid;
  grid-template-columns: 128px 1fr 92px;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}
.bar-row .lab { font-size: 14px; }
.bar-row .val {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ivory-dim);
  text-align: right;
}
.track {
  height: 10px;
  background: rgba(255,255,255,0.05);
  border-radius: 99px;
  overflow: hidden;
}
.fill {
  height: 100%;
  width: 0;
  border-radius: 99px;
  transition: width 900ms cubic-bezier(.2,.8,.2,1);
}

.user-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.user-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 18px 16px;
  min-height: 168px;
  display: flex;
  flex-direction: column;
}
.user-card .who {
  font-size: 13px;
  color: var(--ivory-dim);
  margin-bottom: 18px;
}
.user-card .num {
  font-family: var(--serif);
  font-size: 36px;
  line-height: 0.95;
  letter-spacing: -0.03em;
}
.user-card .unit {
  color: var(--mute);
  font-size: 12px;
  margin: 8px 0 0;
}
.user-card .caveat {
  margin-top: auto;
  padding-top: 14px;
  color: var(--mute);
  font-size: 12px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.chip {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--ivory-dim);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
  font-size: 13px;
}
.chip:hover { color: var(--ivory); }
.chip.on {
  background: var(--ivory);
  color: var(--ink);
  border-color: var(--ivory);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.model {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-height: 320px;
}
.model .brand {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
  margin-bottom: 8px;
}
.model h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.03em;
}
.model .lab {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.model .flag {
  color: var(--bronze-2);
  font-size: 15px;
  margin: 0 0 12px;
}
.model p {
  color: var(--ivory-dim);
  font-size: 14px;
  margin: 0 0 16px;
}
.meta {
  display: grid;
  gap: 6px;
  margin-top: auto;
  font-size: 13px;
}
.meta div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 7px;
}
.meta span { color: var(--mute); }
.hidden { display: none; }

.table-wrap {
  overflow-x: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
th, td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 14px;
}
th {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
  font-weight: 600;
  background: #141610;
  position: sticky;
  top: 0;
}
tr:last-child td { border-bottom: 0; }
td.mono, th.num { font-family: var(--mono); }

.wins {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.win {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  background: var(--ink-2);
}
.win h3 {
  margin: 0 0 8px;
  font-size: 16px;
}
.win .pick {
  font-family: var(--serif);
  font-size: 24px;
  color: var(--bronze-2);
  margin-bottom: 8px;
}
.win p { margin: 0; color: var(--ivory-dim); font-size: 14px; }

.signup {
  background:
    linear-gradient(180deg, rgba(201,163,106,0.1), transparent 40%),
    var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 40px 36px;
}
.signup h2 { margin-bottom: 8px; }
.form {
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 10px;
  margin-top: 22px;
}
.form input {
  background: #0e0f0c;
  border: 1px solid var(--line-strong);
  color: var(--ivory);
  border-radius: 12px;
  padding: 14px 14px;
  outline: none;
}
.form input:focus { border-color: var(--bronze); }
.form button {
  background: var(--ivory);
  color: var(--ink);
  border: 0;
  border-radius: 12px;
  padding: 0 20px;
  font-weight: 600;
  cursor: pointer;
}
.form button:hover { background: var(--bronze-2); }
.form-msg {
  min-height: 22px;
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--ok);
}
.form-msg.err { color: #e08a68; }
.privacy {
  color: var(--mute);
  font-size: 13px;
  margin: 10px 0 0;
}

.sources {
  color: var(--mute);
  font-size: 13px;
}
.sources h2 { font-size: 28px; }
.sources ul { padding-left: 18px; }
.sources li { margin-bottom: 8px; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--mute);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

@media (max-width: 980px) {
  .nav { display: none; }
  .stats, .split, .grid-2, .user-grid, .cards, .wins, .form, .pie-wrap {
    grid-template-columns: 1fr;
  }
  .user-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding-top: 48px; }
  .section-head { flex-direction: column; align-items: start; }
  .bar-row { grid-template-columns: 1fr auto; }
  .bar-row .lab { grid-column: 1; }
  .bar-row .val { grid-column: 2; }
  .bar-row .track { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .user-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .form { grid-template-columns: 1fr; }
  footer { flex-direction: column; }
  .asof { display: none; }
  .kicker { letter-spacing: 0.06em; }
  .hero h1 {
    max-width: 9ch;
    font-size: 44px;
  }
  .topbar-inner { min-height: 56px; }
  .pie { width: 240px; height: 240px; margin: 0 auto; }
  .chart-card, .panel, .signup { padding: 20px 16px; }
  .signup { padding: 28px 18px; }
}