:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #0a0a0a;
  --text: #f5f5f5;
  --muted: #939aa3;
  --accent: #c9f24a;
  --border: rgba(255, 255, 255, 0.08);
  --max-width: 760px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header,
.site-footer {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 1.5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  border-bottom: 0;
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-header-inner,
.page,
.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.hero {
  padding: 4rem 1.5rem 3rem;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4rem);
  line-height: 1.05;
  margin: 0 0 0.5rem;
}

.hero .tagline {
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  color: var(--accent);
  margin: 0 0 1.5rem;
  font-weight: 600;
}

.hero .copy {
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 2rem;
  font-size: 1.05rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(201, 242, 74, 0.35);
  background: rgba(201, 242, 74, 0.1);
  color: var(--accent);
  font-weight: 700;
}

.button-secondary {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.page {
  padding: 2.5rem 1.5rem 4rem;
}

.page h1 {
  margin-top: 0;
  font-size: 2rem;
}

.page h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

.page p,
.page li {
  color: #c8cdd4;
}

.page ul {
  padding-left: 1.25rem;
}

.email-link {
  font-weight: 700;
  word-break: break-word;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 3rem;
  }

  .nav {
    gap: 0.75rem;
  }
}