:root {
  --bg: #ffffff;
  --fg: #0a0a0a;
  --muted: #6b6b6b;
  --maxw: 880px;
  --pad: clamp(16px, 4vw, 32px);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  font-family: "Noto Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  min-height: 100dvh;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--pad);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: clamp(16px, 3vw, 32px);
  opacity: 0;
  transform: translateY(8px);
  animation: rise 420ms ease-out forwards;
}

@keyframes rise {
  to { opacity: 1; transform: translateY(0); }
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  font-family: "Space Mono", monospace;
  font-weight: 700;
  letter-spacing: -0.02em;
  border: 2px solid currentColor;
  border-radius: 8px;
  padding: 6px 8px;
  line-height: 1;
  user-select: none;
}

.title {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 6vw, 48px);
  margin: 0;
}

.hero {
  display: grid;
  align-content: center;
  padding-block: 8vh;
}

.tagline {
  font-size: clamp(18px, 3.8vw, 24px);
  color: var(--muted);
  margin: 0;
}

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad) var(--pad);
  color: var(--muted);
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}