:root {
  color-scheme: light;
  --ink: #171410;
  --muted: #615b54;
  --paper: #f5f0e6;
  --white: #ffffff;
  --line: #ddd1bf;
  --charcoal: #15110f;
  --clay: #b53a2d;
  --indigo: #243a5e;
  --teal: #0f7f76;
  --gold: #c3922e;
  --straw: #e7d4a2;
  --radius: 8px;
  --shadow: 0 22px 54px rgba(21, 17, 15, 0.18);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.52;
  overflow-x: hidden;
}

html,
body {
  max-width: 100%;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
strong,
span {
  margin: 0;
  overflow-wrap: break-word;
}

p {
  color: var(--muted);
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  min-height: 70px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  padding: 12px 24px;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(21, 17, 15, 0.82);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  color: var(--white);
  background: linear-gradient(135deg, var(--clay), var(--indigo) 58%, var(--teal));
  font-family: var(--mono);
  font-weight: 900;
  letter-spacing: 0;
}

.brand-copy {
  display: grid;
  line-height: 1.08;
}

.brand-copy strong {
  font-size: 0.98rem;
}

.brand-copy span {
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--mono);
  font-size: 0.74rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 6px 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

nav a:hover {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  position: relative;
  min-height: min(820px, 100svh);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background: var(--charcoal);
}

.fight-hero {
  min-height: 78svh;
}

.hero-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0.98;
}

.hero-stage canvas {
  width: min(980px, 114vw);
  height: auto;
  max-height: 82vh;
  filter: saturate(1.08) contrast(1.02);
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(18, 14, 11, 0.94), rgba(18, 14, 11, 0.72) 36%, rgba(18, 14, 11, 0.16) 78%),
    linear-gradient(0deg, rgba(18, 14, 11, 0.82), rgba(18, 14, 11, 0.05) 58%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 126px 0 176px;
}

.kicker,
.eyebrow,
.tile-label,
.hero-rail span,
.steps span {
  font-family: var(--mono);
  letter-spacing: 0;
}

.kicker,
.eyebrow {
  margin-bottom: 10px;
  color: #65e1d5;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

h1 {
  max-width: 820px;
  font-size: clamp(4.9rem, 16vw, 10.8rem);
  line-height: 0.8;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.14;
  letter-spacing: 0;
}

.lead {
  max-width: 690px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1.12rem, 2.2vw, 1.5rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.button,
button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(21, 17, 15, 0.14);
  border-radius: var(--radius);
  padding: 11px 16px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
  font-size: 0.94rem;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button {
  border-color: var(--clay);
  color: var(--white);
  background: var(--clay);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
  background: rgba(255, 255, 255, 0.09);
}

.button:hover,
button:hover {
  transform: translateY(-1px);
}

.hero-rail {
  position: absolute;
  right: 24px;
  bottom: 24px;
  left: 24px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.hero-rail article {
  min-height: 100px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(21, 17, 15, 0.58);
  backdrop-filter: blur(14px);
}

.hero-rail span {
  display: block;
  margin-bottom: 8px;
  color: #65e1d5;
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-rail strong {
  color: var(--white);
  font-size: 0.94rem;
}

.section {
  padding: 64px 26px;
}

.section-inner {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.band {
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.intro {
  padding: 38px 26px;
}

.intro-grid,
.token-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.86fr) minmax(0, 1.14fr);
  gap: 34px;
  align-items: start;
}

.intro p,
.copy p,
.section-note {
  color: var(--muted);
  font-size: 1rem;
}

.section-title {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.section-note {
  max-width: 390px;
  margin-bottom: 0;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.tile,
.match-panel,
.match-result,
.demo-controls,
.demo-board,
.steps article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.tile {
  min-height: 250px;
  padding: 18px;
}

.tile-label {
  display: block;
  margin-bottom: 30px;
  color: var(--clay);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.tile p,
.steps p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.matching-band,
.arena-band {
  border-top: 1px solid var(--line);
  background: #fbf8f1;
}

.match-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.86fr) minmax(0, 1.14fr);
  gap: 14px;
}

.match-panel,
.match-result,
.demo-controls,
.demo-board {
  padding: 20px;
  box-shadow: var(--shadow);
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 900;
}

select,
input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #cfc3b4;
  border-radius: var(--radius);
  padding: 9px 10px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

input[type="range"] {
  min-height: 28px;
  padding: 0;
  accent-color: var(--clay);
}

.match-result {
  min-height: 308px;
  display: grid;
  align-content: center;
}

.match-result h3 {
  font-size: clamp(1.7rem, 4vw, 3.2rem);
}

.match-result p {
  margin: 14px 0;
}

.score-meter {
  height: 14px;
  overflow: hidden;
  border-radius: 999px;
  background: #e9dcc8;
}

.score-meter span {
  width: 0%;
  height: 100%;
  display: block;
  background: linear-gradient(90deg, var(--clay), var(--gold), var(--teal));
  transition: width 260ms ease;
}

#matchScore {
  margin-top: 12px;
  font-size: 1.4rem;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(0, 1.26fr);
  gap: 14px;
}

.demo-board {
  display: grid;
  gap: 12px;
}

.fight-canvas-panel {
  overflow: hidden;
  border: 1px solid #d4c7b8;
  border-radius: var(--radius);
  background: var(--charcoal);
}

.fight-canvas-panel canvas {
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 920 / 520;
}

.champion-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border-radius: var(--radius);
  color: var(--white);
  background: linear-gradient(135deg, var(--charcoal), var(--indigo));
}

.champion-card strong {
  font-size: 1.2rem;
}

.champion-card span {
  color: rgba(255, 255, 255, 0.74);
}

.score-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 12px 0;
}

.score-columns div {
  min-height: 96px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fffdf8;
}

.score-columns span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.score-columns strong {
  font-size: clamp(1.35rem, 4vw, 2.1rem);
}

.fight-log {
  min-height: 170px;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 14px;
  border: 1px solid #d4c7b8;
  border-radius: var(--radius);
  color: var(--muted);
  background: #f8efe0;
}

.fight-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(181, 58, 45, 0.14);
}

.fight-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.fight-row strong {
  color: var(--ink);
}

.fight-row span {
  color: var(--muted);
}

.dark {
  color: var(--white);
  background: var(--charcoal);
}

.dark p {
  color: rgba(255, 255, 255, 0.74);
}

.dark .eyebrow {
  color: #65e1d5;
}

.copy {
  display: grid;
  gap: 18px;
  justify-items: start;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.steps article {
  min-height: 220px;
  padding: 18px;
}

.steps span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 50%;
  color: var(--white);
  background: var(--clay);
  font-weight: 900;
}

footer {
  padding: 26px;
  color: rgba(255, 255, 255, 0.72);
  background: var(--charcoal);
  text-align: center;
}

footer a {
  color: var(--white);
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  nav {
    justify-content: flex-start;
  }

  .hero-content {
    padding-top: 158px;
  }

  .hero-rail,
  .tiles,
  .steps,
  .score-columns {
    grid-template-columns: 1fr 1fr;
  }

  .intro-grid,
  .token-layout,
  .match-layout,
  .demo-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    display: grid;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 10px 14px;
  }

  .brand {
    min-width: 0;
  }

  nav a {
    min-height: 30px;
    padding: 5px 8px;
    font-size: 0.8rem;
  }

  .hero {
    min-height: 900px;
  }

  .hero-content {
    width: min(100% - 28px, 1160px);
    padding-bottom: 372px;
  }

  .hero-stage {
    place-items: start center;
    padding-top: 210px;
  }

  .hero-stage canvas {
    width: 720px;
    max-width: none;
  }

  .hero-rail {
    grid-template-columns: 1fr;
    right: 14px;
    bottom: 14px;
    left: 14px;
  }

  .hero-rail article {
    min-height: auto;
  }

  .section {
    padding: 46px 16px;
  }

  .tiles,
  .steps,
  .score-columns {
    grid-template-columns: 1fr;
  }

  .fight-row {
    grid-template-columns: 1fr;
  }
}