:root {
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-border: #e8e3dc;
  --color-muted: #7a6e63;
  --color-text: #1c1510;
  --color-accent: #2a7c6f;
  --radius: 0.5rem;
  --max-w: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1c1917;
    --color-surface: #242018;
    --color-border: #3a342c;
    --color-muted: #9e9085;
    --color-text: #f0ede8;
    --color-accent: #4ab5a6;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

/* ── Layout ── */

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Nav ── */

nav {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav-cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-accent);
}

/* ── Sections ── */

section {
  padding: 4rem 0;
}

section + section {
  border-top: 1px solid var(--color-border);
}

/* ── Hero ── */

.hero {
  padding: 5rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.hero .subtitle {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 540px;
  margin: 0 auto 2rem;
}

.hero-note {
  margin: 1.25rem auto 0;
  font-size: 0.875rem;
  color: var(--color-muted);
  opacity: 0.7;
  max-width: 400px;
}

.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  transition: opacity 0.15s;
}

.btn-primary:hover { opacity: 0.85; text-decoration: none; }

/* ── Content sections ── */

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

p {
  color: var(--color-muted);
  max-width: 60ch;
}

p + p { margin-top: 0.75rem; }

/* ── Feature list ── */

.features {
  list-style: none;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.features li {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  color: var(--color-muted);
  font-size: 0.9375rem;
}

.features li::before {
  content: "—";
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ── Name section ── */

.name-section {
  padding: 3rem 0;
  text-align: center;
}

.name-section h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.name-section p {
  margin: 0 auto;
  text-align: center;
}

/* ── Footer CTA ── */

footer {
  padding: 4rem 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

footer p {
  margin: 0 auto 1.5rem;
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-text);
  font-weight: 500;
}

.footer-note {
  margin-top: 2rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-muted);
}

.footer-legal {
  margin-top: 0.75rem !important;
  font-size: 0.75rem !important;
  font-weight: 400 !important;
  color: var(--color-muted) !important;
  opacity: 0.6;
}