:root {
  --bg: #ffffff;
  --bg-alt: #f4f7fb;
  --text: #0f1b2d;
  --muted: #52617a;
  --line: #dde4ee;
  --brand: #0b4f8a;
  --brand-ink: #ffffff;
  --accent: #0ea5e9;
  --danger: #b42318;
  --card: #ffffff;
  --radius: 12px;
  --wrap: 1120px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #111a2c;
    --text: #e6edf7;
    --muted: #9aa8bf;
    --line: #22304a;
    --brand: #5aa9f0;
    --brand-ink: #06101e;
    --accent: #7dd3fc;
    --danger: #f97066;
    --card: #131e33;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--brand); }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 .75rem; }
h3 { font-size: 1.1rem; margin: 0 0 .4rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--bg); padding: 8px 12px; z-index: 10; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.logo { color: var(--brand); flex: none; }
.nav { display: flex; gap: 4px 20px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 500; padding: 6px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

/* hero */
.hero { padding: 72px 0 64px; background: linear-gradient(180deg, var(--bg-alt), var(--bg)); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--brand); font-weight: 700; letter-spacing: .08em; font-size: .85rem; margin: 0 0 .75rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 38em; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-art svg { width: 100%; height: auto; }
.art-src rect { fill: var(--card); stroke: var(--line); stroke-width: 2; }
.art-text text, .art-core-text { font: 600 14px/1 ui-monospace, SFMono-Regular, Menlo, monospace; text-anchor: middle; fill: var(--muted); }
.art-flow { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-dasharray: 6 6; }
.art-core { fill: var(--brand); }
.art-core-text { fill: var(--brand-ink); }
.art-db ellipse, .art-db path { fill: var(--card); stroke: var(--brand); stroke-width: 2.5; }

/* buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 2px solid transparent; cursor: pointer; font-size: 1rem; font-family: inherit; }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--brand); }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* sections */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-lead { color: var(--muted); font-size: 1.1rem; max-width: 42em; margin: 0 0 2rem; }
.page { padding-top: 56px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); margin: 0; }
.card-icon { color: var(--brand); margin-bottom: 12px; display: block; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 0; list-style: none; counter-reset: step; margin: 1.5rem 0 0; }
.steps li { counter-increment: step; color: var(--muted); }
.steps li::before { content: "0" counter(step); display: block; font-weight: 700; color: var(--accent); font-size: 1.4rem; margin-bottom: 6px; }
.steps strong { color: var(--text); display: block; }
.company-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: start; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 500; }
.address { font-style: normal; }
.callout { background: var(--bg-alt); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.callout p { margin: 0; color: var(--muted); }

/* prose (legal pages) */
.prose h2 { font-size: 1.3rem; margin-top: 2.2rem; }
.prose h3 { margin-top: 1.4rem; }
.prose p, .prose li { color: var(--text); }
.meta { color: var(--muted); }

/* form */
.form { display: grid; gap: 18px; margin-bottom: 48px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input[type=text], .field input[type=email], .field select, .field textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--card); color: var(--text); font: inherit;
}
.field textarea { resize: vertical; }
.field.check label { font-weight: 400; display: flex; gap: 10px; align-items: flex-start; }
.field.check input { margin-top: 5px; }
.has-error input, .has-error textarea { border-color: var(--danger); }
.error { color: var(--danger); margin: 6px 0 0; font-size: .92rem; }
.alert { border: 1px solid var(--danger); color: var(--danger); border-radius: 8px; padding: 12px 14px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form .btn { justify-self: start; }
.captcha { min-height: 65px; }
.ticket { font-size: 1.15rem; margin: 0 0 1.5rem; }
.ticket strong { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .08em; }
.postal { border-top: 1px solid var(--line); padding-top: 24px; }
.postal h2 { font-size: 1.1rem; }
.postal p { margin: 0; font-weight: 600; }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-alt); padding: 40px 0 24px; color: var(--muted); font-size: .95rem; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-name { color: var(--text); font-weight: 700; margin: 0 0 6px; }
.footer-links { display: flex; flex-direction: column; gap: 6px; }
.footer-links a { color: var(--muted); }
.footer-bottom { margin-top: 24px; font-size: .85rem; }

@media (max-width: 900px) {
  .hero-grid, .company-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero { padding: 44px 0; }
  .section { padding: 48px 0; }
  .cards, .steps, .field-row { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; gap: 2px; }
  .facts dd { margin-bottom: 10px; }
  .nav { gap: 4px 16px; font-size: .95rem; }
}