:root {
  --brand: #0ca79e;
  --brand-dark: #087b76;
  --brand-soft: #e9f8f6;
  --ink: #383943;
  --ink-deep: #202129;
  --muted: #676a73;
  --paper: #fff;
  --surface: #f5f8f8;
  --line: #dfe8e7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: var(--brand-dark); }
.container { width: min(1120px, calc(100% - 36px)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(223,232,231,.9); background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink-deep); text-decoration: none; }
.brand img { width: 90px; height: 54px; object-fit: contain; }
.brand span { display: grid; line-height: 1.1; }
.brand strong { font-size: .93rem; }
.brand small { margin-top: 4px; color: var(--muted); font-size: .68rem; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--ink); font-size: .85rem; font-weight: 750; text-decoration: none; }
.btn { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; border: 0; border-radius: 13px; padding: 12px 20px; color: #fff !important; background: var(--brand-dark); font-weight: 850; text-decoration: none; box-shadow: 0 10px 25px rgba(8,123,118,.18); }
.crumbs { padding-top: 28px; color: var(--muted); font-size: .78rem; }
.crumbs a { color: var(--muted); text-decoration: none; }
.hero { padding: 56px 0 64px; background: radial-gradient(circle at 86% 12%, rgba(12,167,158,.16), transparent 34%), linear-gradient(145deg, #f9fcfc, #eef8f7); }
.hero-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 70px; align-items: center; }
.eyebrow { margin: 0 0 14px; color: var(--brand-dark); font-size: .75rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
h1,h2,h3 { margin-top: 0; color: var(--ink-deep); line-height: 1.1; letter-spacing: -.025em; }
h1 { max-width: 800px; margin-bottom: 22px; font-size: clamp(2.35rem, 6vw, 4.6rem); letter-spacing: -.055em; }
h2 { margin-bottom: 18px; font-size: clamp(1.75rem, 4vw, 2.65rem); }
h3 { margin-bottom: 10px; font-size: 1.18rem; }
.lead { max-width: 760px; margin: 0 0 28px; color: var(--muted); font-size: 1.08rem; }
.hero-card { border: 1px solid rgba(12,167,158,.18); border-radius: 24px; padding: 28px; background: #fff; box-shadow: 0 22px 60px rgba(28,57,61,.12); }
.hero-card strong { display: block; margin-bottom: 9px; color: var(--ink-deep); font-size: 1.12rem; }
.hero-card p { margin: 0 0 18px; color: var(--muted); font-size: .9rem; }
.hero-card .btn { width: 100%; }
.trust { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 24px; color: var(--muted); font-size: .82rem; font-weight: 750; }
.trust span::before { margin-right: 7px; color: var(--brand); content: "✓"; }
main section.content { padding: 72px 0; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 72px; align-items: start; }
.article { min-width: 0; }
.article h2 { margin-top: 54px; }
.article h2:first-child { margin-top: 0; }
.article p, .article li { color: #53565f; }
.article ul, .article ol { padding-left: 21px; }
.article li + li { margin-top: 9px; }
.note { margin: 28px 0; border-left: 4px solid var(--brand); border-radius: 0 16px 16px 0; padding: 21px 24px; background: var(--brand-soft); }
.note strong { display: block; margin-bottom: 5px; color: var(--ink-deep); }
.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 25px 0; }
.check-card { border: 1px solid var(--line); border-radius: 18px; padding: 20px; background: #fff; }
.check-card p { margin: 0; font-size: .9rem; }
.sidebar { position: sticky; top: 100px; }
.side-card { border: 1px solid var(--line); border-radius: 21px; padding: 23px; background: var(--surface); }
.side-card + .side-card { margin-top: 16px; }
.side-card strong { display: block; margin-bottom: 12px; color: var(--ink-deep); }
.side-links { display: grid; gap: 10px; }
.side-links a { color: var(--ink); font-size: .84rem; font-weight: 750; text-decoration: none; }
.faq { margin-top: 52px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 20px 36px 20px 0; color: var(--ink-deep); cursor: pointer; font-weight: 850; }
details p { margin-top: 0; padding: 0 28px 18px 0; }
.related { padding: 66px 0; background: var(--surface); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.related-card { border: 1px solid var(--line); border-radius: 20px; padding: 24px; color: inherit; background: #fff; text-decoration: none; }
.related-card p { margin-bottom: 0; color: var(--muted); font-size: .87rem; }
.cta { padding: 55px 0; color: #fff; background: linear-gradient(125deg, #087b76, #0cb1a7); }
.cta-grid { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.cta h2 { margin-bottom: 8px; color: #fff; }
.cta p { margin: 0; color: #d8f3f1; }
.cta .btn { color: var(--ink-deep) !important; background: #fff; }
footer { padding: 38px 0 90px; color: #b9c0c3; background: #17181e; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 50px; }
footer h3 { color: #fff; font-size: .9rem; }
footer p, footer a { color: #aab2b5; font-size: .8rem; text-decoration: none; }
.footer-links { display: grid; gap: 8px; }
.legal { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.1); color: #878f93; font-size: .72rem; }
.float { position: fixed; right: 18px; bottom: 18px; z-index: 18; border-radius: 999px; padding: 14px 18px; color: #fff; background: #1cae66; font-size: .84rem; font-weight: 850; text-decoration: none; box-shadow: 0 14px 34px rgba(16,92,56,.32); }
@media (max-width: 880px) {
  .hero-grid, .article-layout { grid-template-columns: 1fr; gap: 38px; }
  .sidebar { position: static; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1120px); }
  .brand small { display: none; }
  .brand img { width: 76px; height: 46px; }
  .nav { min-height: 66px; }
  .nav .btn { min-height: 42px; padding: 9px 13px; font-size: .78rem; }
  .hero { padding: 38px 0 48px; }
  h1 { font-size: clamp(2.25rem, 12vw, 3.25rem); }
  main section.content { padding: 52px 0; }
  .check-grid, .related-grid, .footer-grid { grid-template-columns: 1fr; }
  .cta-grid { align-items: stretch; flex-direction: column; }
  .cta .btn { width: 100%; }
  .float { left: 14px; right: 14px; bottom: 12px; text-align: center; }
  footer { padding-bottom: 92px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }