:root {
  --makita-red: #ed1c24;
  --makita-blue: #018290;
  --onitsuka-white: #d8d6d4;
  --onitsuka-red: #b6002f;
  --onitsuka-blue: #015290;
  --studio-white: #ffffff;
  --studio-black: #111111;

  --bg: var(--studio-white);
  --fg: var(--studio-black);
  --muted: #666666;
  --line: #dddddd;
  --accent: var(--makita-blue);
  --accent-2: var(--makita-red);
  --panel: #f6f6f6;
  --maxw: 1120px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
}

body {
  margin: 0;
  padding: 0;
  font: 16px/1.5 var(--sans);
  letter-spacing: 0.01em;
}

a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

a:hover {
  color: var(--accent);
}

.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  font: 700 14px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  background: var(--accent);
  vertical-align: middle;
}

.nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a {
  border: 0;
  font: 600 12px/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav a:hover,
.nav a.active {
  color: var(--fg);
}

.hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  display: inline-block;
  margin-bottom: 18px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3 {
  margin: 0 0 16px;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 12ch;
  font-size: clamp(40px, 8vw, 88px);
  font-weight: 800;
}

h2 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  margin-bottom: 20px;
}

h3 {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lede {
  max-width: 44rem;
  font-size: clamp(18px, 2vw, 22px);
  color: #333333;
  margin: 0 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.btn {
  display: inline-block;
  padding: 14px 18px;
  border: 1px solid var(--fg);
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: transparent;
  color: var(--fg);
  border-radius: 0;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-primary {
  background: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

.btn-primary:hover {
  background: var(--accent);
  color: var(--studio-white);
  border-color: var(--accent);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 22px;
}

.panel-title {
  margin: 0 0 16px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.signal-list,
.stage-list,
.mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.signal-list li,
.stage-list li,
.mini-list li {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.signal-list li:first-child,
.stage-list li:first-child,
.mini-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  border: 1px solid var(--line);
  padding: 22px;
  background: var(--bg);
}

.kicker {
  display: inline-block;
  margin-bottom: 10px;
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
}

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

.rule {
  width: 56px;
  height: 4px;
  background: var(--accent);
  margin: 0 0 20px;
}

.site-footer {
  padding: 28px 0 40px;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-note {
  font: 600 12px/1.5 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (max-width: 900px) {
  .hero-grid,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .site-header .wrap {
    min-height: auto;
    padding-top: 14px;
    padding-bottom: 14px;
    align-items: flex-start;
    flex-direction: column;
  }
}