:root {
  color-scheme: light dark;
  --bg: #f6f4f0;
  --surface: #ffffff;
  --text: #1a1814;
  --muted: #5c574e;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: rgba(26, 24, 20, 0.12);
  --shadow: 0 18px 50px rgba(26, 24, 20, 0.08);
  --radius: 14px;
  --max: 1040px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu,
    "Helvetica Neue", sans-serif;
  line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e0c;
    --surface: #171512;
    --text: #f4f1ea;
    --muted: #b8b0a3;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --border: rgba(244, 241, 234, 0.12);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  }
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.site-header {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover {
  color: var(--text);
}

main {
  flex: 1;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 4rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0 0 2rem;
  max-width: 36rem;
  font-size: 1.125rem;
  color: var(--muted);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--muted);
}

.features {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem 1.25rem;
  box-shadow: var(--shadow);
}

.feature h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  text-align: center;
}

.cta h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.cta p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
  padding: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--muted);
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--text);
}