:root {
  --ink: #15171c;
  --muted: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --accent: #15171c;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; height: 100%;
  background: radial-gradient(circle at 50% 35%, #ffffff 0%, var(--bg-soft) 100%);
  color: var(--ink);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
}

.logo {
  width: min(360px, 70vw);
  height: auto;
  margin-bottom: 28px;
  user-select: none;
}

h1 {
  font-weight: 600;
  font-size: clamp(20px, 3.4vw, 30px);
  letter-spacing: 0.01em;
  margin: 0 0 18px;
  color: var(--ink);
}
h1 .for {
  font-weight: 300;
  color: var(--muted);
  font-size: 0.78em;
  letter-spacing: 0.04em;
}

.tagline {
  color: var(--muted);
  font-size: 15px;
  max-width: 36ch;
  margin: 0 0 36px;
  letter-spacing: 0.005em;
}

.contact {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.contact a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: border-color 200ms ease;
}
.contact a:hover { border-bottom-color: var(--ink); }

footer {
  text-align: center;
  padding: 18px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 480px) {
  h1 { font-size: 18px; }
  .logo { width: 78vw; }
}