:root {
  --ink: #13233a;
  --ink-soft: #45556b;
  --paper: #ffffff;
  --wash: #f2f6f8;
  --line: #d9e2e8;
  --accent: #0f7c7b;
  --accent-dark: #0b5e5d;
  --max: 68rem;
}

* { box-sizing: border-box; }

html { font-size: 100%; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--accent-dark); }
a:hover { color: var(--accent); }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; padding-top: 1rem; padding-bottom: 1rem; }
.brand { font-weight: 700; font-size: 1.25rem; color: var(--ink); text-decoration: none; letter-spacing: 0.01em; }
.brand span { color: var(--accent); }
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
.site-nav a { text-decoration: none; color: var(--ink-soft); font-weight: 600; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent-dark); }

.hero { background: var(--wash); padding: 3.5rem 0 3rem; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 2.75rem); line-height: 1.2; margin: 0 0 1rem; max-width: 40rem; }
.hero p { font-size: 1.15rem; color: var(--ink-soft); max-width: 40rem; margin: 0 0 1.5rem; }

.button { display: inline-block; background: var(--accent); color: #fff; padding: 0.7rem 1.3rem; border-radius: 0.4rem; text-decoration: none; font-weight: 600; }
.button:hover { background: var(--accent-dark); color: #fff; }

main section { padding: 2.75rem 0; }
main section + section { border-top: 1px solid var(--line); }
h2 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 1rem; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }
.lead { font-size: 1.1rem; color: var(--ink-soft); max-width: 44rem; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 1.25rem; margin-top: 1.5rem; }
.card { border: 1px solid var(--line); border-radius: 0.5rem; padding: 1.25rem; background: var(--paper); }
.card p { margin: 0; color: var(--ink-soft); }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1rem; }
.steps li { counter-increment: step; padding-left: 3rem; position: relative; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center; }

.columns { columns: 2 16rem; column-gap: 2rem; padding-left: 1.25rem; }

.detail { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.5rem; }

.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.75rem; }
.contact-list strong { display: inline-block; min-width: 7rem; }

.site-footer { background: var(--ink); color: #d6dee6; padding: 2rem 0; font-size: 0.95rem; }
.site-footer a { color: #ffffff; }
.site-footer p { margin: 0.25rem 0; }
.site-footer .demo { margin-top: 1rem; color: #a9b6c3; font-size: 0.85rem; }