:root {
  --paper: #f6f4ef;
  --surface: #ffffff;
  --ink: #2a3235;
  --ink-soft: #505b5e;
  --line: #dedad1;
  --river: #3b7475;
  --river-deep: #2c5b5c;
  --river-tint: #e2ecea;
  --moss: #3d5a4a;
  --amber: #b9823a;
  --radius: 14px;
  --max: 1080px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #11191d;
    --surface: #172227;
    --ink: #e9ece9;
    --ink-soft: #a9b5b8;
    --line: #2a383e;
    --river: #7fb6b5;
    --river-deep: #a6d3d1;
    --river-tint: #1b2e31;
    --moss: #9bb898;
    --amber: #d9a860;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

h1, h2, h3 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

a { color: var(--river); text-underline-offset: 3px; }
a:hover { color: var(--river-deep); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding-top: 12px;
  padding-bottom: 12px;
  flex-wrap: wrap;
}
.brand { display: block; line-height: 0; }
.brand img { display: block; height: 42px; width: auto; }
.nav { display: flex; gap: 22px; flex-wrap: wrap; }
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 88px 0 72px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--moss);
  margin-bottom: 18px;
}
.lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 44rem;
}
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid var(--river);
}
.btn-primary { background: var(--river); color: #fff; }
.btn-primary:hover { background: var(--river-deep); border-color: var(--river-deep); color: #fff; }
@media (prefers-color-scheme: dark) {
  .btn-primary, .btn-primary:hover { color: #0e1619; }
}
.btn-ghost { color: var(--river); }
.btn-ghost:hover { background: var(--river-tint); }

/* Sections */
section { padding: 72px 0; }
section + section { border-top: 1px solid var(--line); }
.section-intro { max-width: 42rem; color: var(--ink-soft); margin-bottom: 36px; }

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.card p { color: var(--ink-soft); }
.card .meta {
  margin-top: auto;
  padding-top: 12px;
  font-size: 0.92rem;
}
.tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
  background: var(--river-tint);
  color: var(--river-deep);
}
.tag.dev { background: transparent; border: 1px solid var(--amber); color: var(--amber); }

.card ul { margin: 0 0 1em; padding-left: 1.1em; color: var(--ink-soft); }
.card li { margin-bottom: 4px; }

.principles {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.principles h3 { font-size: 1.1rem; }
.principles p { color: var(--ink-soft); font-size: 0.97rem; }

.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.contact-box dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.contact-box dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.steps li { counter-increment: step; }
.steps li::before {
  content: "0" counter(step);
  display: block;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.5rem;
  color: var(--river);
  margin-bottom: 8px;
}
.steps h3 { font-size: 1.1rem; }
.steps p { color: var(--ink-soft); font-size: 0.97rem; }

/* Legal pages */
.legal { padding: 64px 0 80px; }
.legal .wrap { max-width: 760px; }
.legal h2 { font-size: 1.35rem; margin-top: 2em; }
.legal .updated { color: var(--ink-soft); font-size: 0.95rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0 48px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer a { color: var(--ink-soft); }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .brand img { height: 36px; }
  .nav { gap: 16px; }
  .nav a { font-size: 0.9rem; }
  .nav-extra { display: none; }
  .hero { padding: 56px 0 48px; }
  section { padding: 52px 0; }
  .card, .contact-box { padding: 22px; }
}