/* LAB-H — site styles */

:root {
  --ink: #14202b;
  --text: #2b3945;
  --muted: #55646f;
  --line: #dce3e8;
  --bg: #ffffff;
  --bg-alt: #f4f6f8;
  --accent: #0f5e63;
  --accent-dark: #0a4549;
  --accent-tint: #e6f0f0;
  --error: #a4262c;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --wrap: 1120px;
  --radius: 4px;
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3 { color: var(--ink); line-height: 1.2; margin: 0 0 0.6em; font-weight: 650; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.2em; }

a { color: var(--accent); text-underline-offset: 0.18em; }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--radius);
}
.skip-link:focus { top: 12px; color: #fff; }

/* ── Header ─────────────────────────────────────────── */

.site-header { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 50; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 76px; }

.logo { display: block; line-height: 0; }
.logo img { height: 54px; width: auto; display: block; }
.footer-logo { height: 60px; width: auto; display: block; margin-left: -4px; }

.site-nav ul { list-style: none; display: flex; align-items: center; gap: 30px; margin: 0; padding: 0; }
.site-nav a:not(.btn) { color: var(--ink); text-decoration: none; font-size: 0.98rem; font-weight: 500; padding: 6px 0; border-bottom: 2px solid transparent; }
.site-nav a:not(.btn):hover,
.site-nav a[aria-current="page"] { border-bottom-color: var(--accent); }

.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius); width: 44px; height: 44px; cursor: pointer; }
.nav-toggle-bars, .nav-toggle-bars::before, .nav-toggle-bars::after {
  display: block; width: 20px; height: 2px; background: var(--ink); margin: 0 auto; position: relative; content: "";
}
.nav-toggle-bars::before { position: absolute; top: -6px; }
.nav-toggle-bars::after { position: absolute; top: 6px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--bg); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 20px; }
  .site-nav a:not(.btn) { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 16px; }
  .nav-cta .btn { display: block; text-align: center; }
}

/* ── Buttons ────────────────────────────────────────── */

.btn {
  display: inline-block; font: inherit; font-weight: 600; font-size: 1rem; text-decoration: none; cursor: pointer;
  padding: 13px 24px; border-radius: var(--radius); border: 2px solid transparent; line-height: 1.2;
}
.btn-small { padding: 9px 16px; font-size: 0.93rem; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.btn-light { background: #fff; color: var(--ink); border-color: #fff; }
.btn-light:hover { background: var(--accent-tint); color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.more { font-weight: 600; text-decoration: none; }
.more::after { content: " \2192"; }
.more:hover { text-decoration: underline; }

/* ── Sections ───────────────────────────────────────── */

.section { padding: 84px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 760px; margin-bottom: 44px; }
.eyebrow { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.lead { font-size: 1.2rem; color: var(--text); }
.statement { font-size: 1.3rem; color: var(--ink); font-weight: 600; border-left: 3px solid var(--accent); padding-left: 20px; margin: 32px 0 0; max-width: 760px; }

@media (max-width: 700px) { .section { padding: 60px 0; } }

/* ── Hero ───────────────────────────────────────────── */

.hero { padding: 92px 0 96px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 64px; align-items: center; }
.hero .lead { max-width: 600px; }

.flows { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.flow { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); }
.chip {
  font-family: var(--mono); font-size: 0.88rem; font-weight: 600; color: var(--ink);
  background: #fff; border: 1px solid #c3ced6; border-radius: 3px; padding: 9px 12px; line-height: 1;
}
.chip.out { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip.big { font-size: 1.12rem; }
.arrow { color: var(--muted); font-family: var(--mono); }

.page-hero { padding: 72px 0 64px; border-bottom: 1px solid var(--line); }
.page-hero .lead { max-width: 760px; margin-bottom: 0; }

@media (max-width: 900px) {
  .hero { padding: 60px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
}

/* ── Grids & cards ──────────────────────────────────── */

.grid { display: grid; gap: 24px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 900px) { .grid.three { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid.two, .grid.three { grid-template-columns: 1fr; } }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; }
.card p { flex: 1; }
.card p:last-child { flex: 0; margin-bottom: 0; }
.card.plain p { flex: 0; }
.card.plain p:last-child { margin-bottom: 0; }

.tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.tags li { border: 1px solid #c3ced6; background: #fff; border-radius: 3px; padding: 8px 14px; font-size: 0.95rem; color: var(--ink); }

.checklist { list-style: none; padding: 0; margin: 0 0 1.4em; columns: 2; column-gap: 40px; }
.checklist li { position: relative; padding: 7px 0 7px 26px; break-inside: avoid; border-bottom: 1px solid var(--line); }
.checklist li::before { content: ""; position: absolute; left: 2px; top: 1.05em; width: 10px; height: 2px; background: var(--accent); }
@media (max-width: 640px) { .checklist { columns: 1; } }

/* Service blocks (Services page) */
.service { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 56px; padding: 64px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 90px; }
.service:last-child { border-bottom: 0; }
.service-num { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 12px; }
.service-quote { font-size: 1.12rem; color: var(--ink); font-weight: 600; }
@media (max-width: 860px) { .service { grid-template-columns: 1fr; gap: 20px; padding: 48px 0; } }

[id] { scroll-margin-top: 90px; }

/* Process */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
.steps li { border-top: 3px solid var(--accent); padding-top: 18px; }
.steps .num { font-family: var(--mono); font-size: 0.85rem; color: var(--accent); letter-spacing: 0.1em; display: block; margin-bottom: 8px; }
.steps p { font-size: 0.98rem; margin: 0; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ── CTA band ───────────────────────────────────────── */

.cta { background: var(--ink); color: #d6dee4; padding: 72px 0; }
.cta h2 { color: #fff; }
.cta p { margin: 0; max-width: 620px; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.cta-email { color: #fff; }
.cta-email:hover { color: #fff; }
.cta :focus-visible { outline-color: #fff; }

/* ── Forms ──────────────────────────────────────────── */

.contact-grid { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 64px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 40px; } }

.form { display: grid; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.field label { display: block; font-weight: 600; color: var(--ink); margin-bottom: 6px; font-size: 0.98rem; }
.field .req { color: var(--error); }
.field .hint { display: block; font-size: 0.88rem; color: var(--muted); margin-top: 6px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: #fff;
  border: 1px solid #8b9aa6; border-radius: var(--radius); padding: 12px 14px;
}
.field input[type="file"] { padding: 10px; }
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline-offset: 1px; }
.hint-block { font-size: 0.93rem; color: var(--muted); margin: 0; }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 0; font-weight: 600; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: var(--error); }

.aside-box { border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); padding: 28px; }
.aside-box h2 { font-size: 1.1rem; }
.aside-box p:last-child { margin-bottom: 0; }
.aside-box + .aside-box { margin-top: 20px; }

/* ── Prose (legal pages) ────────────────────────────── */

.prose h2 { font-size: 1.35rem; margin-top: 2em; }
.prose li { margin-bottom: 0.4em; }

/* ── Footer ─────────────────────────────────────────── */

.site-footer { border-top: 1px solid var(--line); background: var(--bg); padding-top: 56px; font-size: 0.97rem; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer-brand p { margin: 8px 0 0; color: var(--muted); }
.site-footer h2 { font-size: 0.78rem; font-family: var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer nav a { color: var(--ink); text-decoration: none; }
.site-footer nav a:hover { text-decoration: underline; }
.footer-legal { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 28px; color: var(--muted); font-size: 0.9rem; }
.footer-legal p { margin: 0; }
@media (max-width: 700px) { .footer-inner { grid-template-columns: 1fr; gap: 32px; } }