/* Global */
:root {
  color-scheme: dark;
  --bg: #000000;
  --fg: #ffffff;
  --muted: rgba(255, 255, 255, 0.72);
  --hairline: rgba(255, 255, 255, 0.12);
}

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Hero */
.hero {
  flex: 1 0 auto;
  display: grid;
  place-items: center;
  text-align: center;
  padding: clamp(24px, 6vw, 64px);
}

.hero h1 {
  margin: 0 0 4px 0;
  font-size: clamp(36px, 6.5vw, 84px);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2.4vw, 28px);
  font-weight: 500;
}

.proof-link {
  margin-top: 2px;
  display: inline-block;
  color: var(--muted);
  font-size: clamp(12px, 1.6vw, 16px);
  text-decoration: none;
  font-weight: 500;
}

.proof-link:hover {
  color: var(--fg);
  text-decoration: underline;
}

/* Footer */
.footer { flex: 0 0 auto; }

.divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 0;
}

.footer-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 40px;
  text-align: center;
}

.footer-title {
  margin: 16px 0 16px;
  font-size: 20px;
  font-weight: 600;
  color: var(--fg);
  opacity: 0.9;
}

.email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 18px;
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 10px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.email:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg);
}

.icon { width: 22px; height: 22px; display: inline-block; }

@media (min-width: 1400px) {
  .hero h1 { font-size: 84px; }
  .tagline { font-size: 28px; }
}