:root {
  color-scheme: dark;
  --background: #0b1720;
  --surface: #132b38;
  --text: #eef4f7;
  --muted: #a8bac3;
  --accent: #43c6b6;
  --accent-light: #b6f2d7;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  background: radial-gradient(circle at 80% 10%, #205b67 0, transparent 34%), linear-gradient(135deg, var(--background), var(--surface));
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1100px, calc(100% - 40px));
  margin: auto;
  padding: 28px 0;
}

.brand {
  color: var(--accent-light);
  font-size: 1.3rem;
  font-weight: 700;
  text-decoration: none;
}

nav { display: flex; gap: 24px; }
nav a { color: var(--muted); font: 0.9rem Arial, sans-serif; text-decoration: none; }
nav a:hover { color: var(--text); }

.hero {
  width: min(1100px, calc(100% - 40px));
  min-height: calc(100vh - 150px);
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.eyebrow { color: var(--accent-light); font: 700 0.8rem Arial, sans-serif; letter-spacing: 0.16em; text-transform: uppercase; }
h1 { max-width: 760px; margin: 18px 0; font-size: clamp(3.6rem, 10vw, 8rem); font-weight: 400; line-height: 0.9; }
.intro { max-width: 520px; color: var(--muted); font: 1.15rem/1.7 Arial, sans-serif; }
.button { margin-top: 24px; padding: 14px 20px; border-radius: 4px; color: #071016; background: var(--accent); font: 700 0.9rem Arial, sans-serif; text-decoration: none; }
.button:hover { background: var(--accent-light); }
footer { width: min(1100px, calc(100% - 40px)); margin: auto; padding-bottom: 28px; color: var(--muted); font: 0.8rem Arial, sans-serif; }

@media (max-width: 600px) {
  .site-header, .hero, footer { width: calc(100% - 28px); }
  h1 { font-size: 4.4rem; }
}