:root {
  --bg: #070707;
  --text: #eceae6;
  --muted: #8f8b85;
  --dim: #5c5853;
  --accent: #f2452e;
  --max: 32rem;
  --font: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.18em; }

.page {
  width: min(100% - 2.5rem, var(--max));
  padding: 3rem 0 4rem;
}

.mast { margin-bottom: 2.5rem; }

.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { text-decoration: none; color: var(--text); }
.brand-mark { width: 1.75rem; height: 1.75rem; }
.brand-word { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.03em; }
.brand-sub {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
}

h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.mechanism {
  margin: 0 auto 2.25rem;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.65;
  text-wrap: pretty;
}

.cta { margin: 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.06); }