:root {
  color-scheme: light;
  --ink: #16324a;
  --muted: #52687a;
  --blue: #126c9b;
  --line: #d8e4ec;
  --paper: #ffffff;
}

* { box-sizing: border-box; }
html { background: #edf3f7; scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font-family: "Segoe UI", Arial, sans-serif; line-height: 1.7; }
a { color: var(--blue); }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #1686be; outline-offset: 5px; }
::selection { color: #fff; background: #126c9b; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; left: 24px; top: -100px; z-index: 5; padding: 12px 20px; background: #fff; }
.skip-link:focus { top: 12px; }

.hero { background: #123750; color: #fff; }
.hero-inner { padding-block: 48px 52px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; }
.eyebrow { margin: 0 0 14px; font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: #8dd6f2; }
.hero h1 { margin: 0; font-size: clamp(32px, 4vw, 48px); font-weight: 650; letter-spacing: -0.035em; line-height: 1.15; }
.intro { max-width: 570px; margin: 16px 0 0; color: #d3e5ef; font-size: 17px; line-height: 1.7; }
.services { display: flex; gap: 12px; }
.service { display: flex; flex-direction: column; gap: 10px; align-items: center; justify-content: center; width: 112px; height: 112px; border: 1px solid #426177; border-radius: 4px; color: #d3e5ef; font-size: 12px; }
.service svg { width: 30px; height: 30px; fill: none; stroke: #8dd6f2; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.service:last-child svg { stroke: #f4cb7e; }

.main { padding-block: 32px 56px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 8px 30px rgb(20 53 78 / 4%); overflow: hidden; }
.tabs { display: flex; border-bottom: 1px solid var(--line); background: #f8fbfd; padding-inline: 32px; gap: 32px; }
.tab-link { display: flex; gap: 10px; align-items: center; padding: 22px 0 19px; min-height: 64px; border-bottom: 3px solid transparent; color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 600; line-height: 1.4; }
.tab-link span { font-size: 11px; font-weight: 400; color: #687e8e; }
.tab-link:hover { color: var(--blue); }
.tab-link[aria-selected="true"] { color: #075d89; border-bottom-color: #1686be; }
.tab-content { padding: 36px 40px 40px; scroll-margin-top: 24px; }
.tab-content[hidden] { display: none; }
.tab-content + .tab-content { border-top: 1px solid var(--line); }
.has-tabs .tab-content { border-top: 0; }
.tab-content h2 { max-width: 780px; font-size: clamp(22px, 2.8vw, 28px); line-height: 1.4; font-weight: 650; letter-spacing: -0.015em; margin: 0 0 28px; }
.tab-content h3 { color: #126c9b; font-size: 17px; font-weight: 650; margin: 28px 0 8px; }
.tab-content p { margin: 8px 0; max-width: 850px; }
.tab-content ul { max-width: 850px; padding-left: 22px; margin: 14px 0; }
.tab-content li { padding-left: 4px; margin-block: 6px; }
.tab-content li::marker { color: #1686be; }
.section-link { text-underline-offset: 4px; }
.highlight { margin: 22px 0; background: #eef7fc; border-left: 3px solid #1686be; border-radius: 0 4px 4px 0; padding: 16px 20px; max-width: 850px; }
.ops-table-wrap { overflow-x: auto; margin: 20px 0; }
.ops-table { border-collapse: collapse; width: 100%; font-size: 15px; font-variant-numeric: tabular-nums; }
.ops-table th, .ops-table td { padding: 12px 16px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
.ops-table th:first-child, .ops-table td:first-child { text-align: left; }
.ops-table thead { background: #123750; color: #fff; }
.ops-table thead th { font-weight: 600; }
.ops-table tbody tr:nth-child(even) { background: #f6f9fb; }
.ops-table tfoot { background: #e9f2f8; font-weight: 650; }
.site-footer { background: #e3ecf2; border-top: 1px solid #cddce6; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; padding-block: 26px; color: #52687a; font-size: 12px; }
.footer-inner p { margin: 0; }
.footer-inner strong { color: #29465c; font-weight: 650; }

@media (max-width: 760px) {
  .wrap { width: calc(100% - 40px); }
  .hero-inner { grid-template-columns: 1fr; padding-block: 32px; gap: 24px; }
  .services { gap: 20px; }
  .service { width: auto; height: auto; flex-direction: row; gap: 8px; border: 0; }
  .service svg { width: 20px; height: 20px; }
  .tabs { padding-inline: 20px; gap: 18px; }
  .tab-link { font-size: 12px; padding-block: 17px 14px; }
  .tab-link span { display: none; }
  .tab-content { padding: 28px 22px; }
  .ops-table th, .ops-table td { padding: 10px 8px; font-size: 13px; }
  .footer-inner { flex-direction: column; gap: 4px; }
}
@media (max-width: 400px) {
  .wrap { width: calc(100% - 24px); }
  .tabs { padding-inline: 14px; gap: 14px; }
  .tab-content { padding-inline: 18px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
