:root {
  --ink: #13232b;
  --muted: #4c5f68;
  --bg: #ffffff;
  --surface: #f3f7f8;
  --line: #dbe5e8;
  --brand: #0f3d4c;
  --accent: #1d8f84;
  --accent-soft: #e2f3f1;
  --on-brand: #ffffff;
  --radius: 14px;
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6eef0;
    --muted: #a3b5bb;
    --bg: #0b1418;
    --surface: #111e23;
    --line: #22343b;
    --brand: #0f3d4c;
    --accent: #46c1b4;
    --accent-soft: #123a37;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; color: var(--ink); text-decoration: none; }
.logo svg { width: 30px; height: 30px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: .95rem; }
nav a:hover { color: var(--ink); }
nav a.cta { color: var(--on-brand); background: var(--accent); padding: 8px 14px; border-radius: 999px; }
nav a.cta:hover { color: var(--on-brand); filter: brightness(1.08); }
@media (max-width: 640px) { nav a:not(.cta) { display: none; } }

/* Hero */
.hero { background: linear-gradient(160deg, #0f3d4c 0%, #12505f 55%, #1d8f84 130%); color: #fff; }
.hero .wrap { padding: 96px 20px 88px; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: #9fe3da; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.12; margin: 0 0 20px; max-width: 18ch; letter-spacing: -.01em; }
.hero p { font-size: 1.15rem; color: #d6ebee; max-width: 60ch; margin: 0 0 32px; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; }
.btn.primary { background: #fff; color: var(--brand); }
.btn.ghost { color: #fff; border: 1px solid rgba(255,255,255,.45); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn:hover { filter: brightness(1.05); }

/* Sections */
section { padding: 84px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 0 12px; letter-spacing: -.01em; }
.lead { color: var(--muted); font-size: 1.08rem; max-width: 64ch; margin: 0 0 40px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
section.alt .card { background: var(--bg); }
.card h3 { margin: 14px 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.icon { width: 42px; height: 42px; border-radius: 10px; background: var(--accent-soft); display: grid; place-items: center; }
.icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.split { display: grid; gap: 48px; grid-template-columns: 1.1fr 1fr; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }
ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { padding: 12px 0 12px 34px; position: relative; border-bottom: 1px solid var(--line); }
ul.checks li:last-child { border-bottom: 0; }
ul.checks li::before {
  content: ""; position: absolute; left: 0; top: 15px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='%231d8f84' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat;
}
ul.checks strong { display: block; }
ul.checks span { color: var(--muted); }

.standards { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.chip { font-size: .85rem; font-weight: 600; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }

.tag { display: inline-block; font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.about { display: grid; gap: 40px; grid-template-columns: 1fr 1.6fr; align-items: start; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; gap: 20px; } }
.about p { color: var(--muted); margin: 0 0 16px; font-size: 1.05rem; }
.about .who { font-weight: 600; color: var(--ink); }

.contact { text-align: center; }
.contact .lead { margin-left: auto; margin-right: auto; }
.contact .btn.primary { background: var(--accent); color: #fff; }

footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .9rem; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }

/* Focus areas */
.focus .card { display: flex; flex-direction: column; }
.focus .card p { flex: 1; }
.more { display: inline-block; margin-top: 16px; font-weight: 600; text-decoration: none; }
.more:hover { text-decoration: underline; }
.crumb { color: #9fe3da; text-decoration: none; font-size: .9rem; }
.crumb:hover { text-decoration: underline; }