:root {
  color-scheme: light;
  --bg: #f5f7f4;
  --surface: #ffffff;
  --surface-soft: #eef6f2;
  --ink: #14213d;
  --muted: #64748b;
  --line: #d8e1dc;
  --brand: #0f766e;
  --brand-bright: #14b8a6;
  --brand-strong: #115e59;
  --accent: #d97706;
  --accent-soft: #fef3c7;
  --shadow: 0 22px 70px rgba(15, 23, 42, .10);
  --radius: 26px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 8% 4%, rgba(20, 184, 166, .12), transparent 28rem),
    radial-gradient(circle at 92% 28%, rgba(217, 119, 6, .10), transparent 24rem),
    var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--brand-strong); }
img { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--ink);
  color: white;
}

.skip-link:focus { transform: translateY(0); }

.shell { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(216, 225, 220, .8);
  background: rgba(245, 247, 244, .88);
  backdrop-filter: blur(18px);
}

.header-inner { min-height: 76px; display: flex; align-items: center; gap: 28px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -.02em;
}

.brand img { width: 42px; height: 42px; }
.brand span span { color: var(--brand); }

.desktop-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.desktop-nav a { color: var(--muted); font-size: .95rem; font-weight: 650; text-decoration: none; }
.desktop-nav a[aria-current="page"], .desktop-nav a:hover { color: var(--brand); }

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 750;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--brand); color: white; box-shadow: 0 12px 28px rgba(15, 118, 110, .24); }
.button.primary:hover { background: var(--brand-strong); color: white; }
.button.secondary { border-color: var(--line); background: rgba(255,255,255,.72); color: var(--ink); }
.button.compact { min-height: 40px; padding: 7px 15px; font-size: .9rem; }

.mobile-menu { display: none; margin-left: auto; }
.mobile-menu summary { cursor: pointer; list-style: none; color: var(--brand); font-weight: 750; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu nav { position: absolute; top: 68px; right: 20px; display: grid; min-width: 220px; gap: 5px; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: white; box-shadow: var(--shadow); }
.mobile-menu nav a { padding: 10px 12px; border-radius: 10px; color: var(--ink); font-weight: 650; text-decoration: none; }
.mobile-menu nav a:hover { background: var(--surface-soft); }

.hero { padding: 74px 0 48px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: center; gap: 52px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: var(--brand); font-size: .78rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow::before { width: 28px; height: 2px; background: var(--brand-bright); content: ""; }
h1, h2, h3 { margin: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 760px; font-size: clamp(2.65rem, 6vw, 5.25rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: 1.25rem; }
.lead { max-width: 680px; margin: 24px 0 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.24rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 28px 0 0; padding: 0; color: var(--muted); font-size: .92rem; list-style: none; }
.trust-row li::before { margin-right: 8px; color: var(--brand); content: "✓"; font-weight: 900; }
.hero-art { position: relative; }
.hero-art img { width: 100%; }
.status-pill { position: absolute; right: 5%; bottom: 8%; display: flex; align-items: center; gap: 9px; padding: 12px 17px; border: 1px solid rgba(216,225,220,.9); border-radius: 999px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); font-size: .9rem; font-weight: 750; }
.status-pill::before { width: 10px; height: 10px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 0 5px rgba(22,163,74,.14); content: ""; }

.section { padding: 62px 0; }
.section.soft { border-block: 1px solid rgba(216,225,220,.72); background: rgba(255,255,255,.45); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-heading p { max-width: 560px; margin: 0; color: var(--muted); }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { position: relative; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.88); box-shadow: 0 12px 40px rgba(15,23,42,.05); }
.card::after { position: absolute; right: -36px; bottom: -42px; width: 110px; height: 110px; border-radius: 50%; background: rgba(20,184,166,.08); content: ""; }
.card-icon { display: grid; width: 52px; height: 52px; margin-bottom: 22px; place-items: center; border-radius: 16px; background: var(--surface-soft); color: var(--brand); font-size: 1.45rem; font-weight: 900; }
.card p { margin: 12px 0 20px; color: var(--muted); }
.card a { position: relative; z-index: 1; font-weight: 750; }

.steps { display: grid; gap: 16px; counter-reset: step; }
.step { display: grid; grid-template-columns: 54px minmax(0,1fr); gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); counter-increment: step; }
.step::before { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 15px; background: var(--brand); color: white; content: counter(step, decimal-leading-zero); font-weight: 850; }
.step p { margin: 8px 0 0; color: var(--muted); }

.callout { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 28px; padding: 36px; border-radius: 30px; background: var(--ink); color: white; box-shadow: var(--shadow); }
.callout p { max-width: 700px; margin: 11px 0 0; color: #cbd5e1; }
.callout .button { background: white; color: var(--ink); }

.page-hero { padding: 64px 0 34px; }
.page-hero .lead { max-width: 760px; }
.breadcrumb { display: flex; gap: 8px; margin-bottom: 24px; color: var(--muted); font-size: .9rem; }
.breadcrumb a { color: var(--muted); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 38px; align-items: start; }
.article { padding: 34px; border: 1px solid var(--line); border-radius: 30px; background: rgba(255,255,255,.88); box-shadow: 0 18px 52px rgba(15,23,42,.06); }
.article h2 { margin-top: 46px; font-size: 1.9rem; }
.article h2:first-child { margin-top: 0; }
.article h3 { margin-top: 28px; }
.article p, .article li { color: #475569; }
.article ol, .article ul { padding-left: 1.3rem; }
.article li + li { margin-top: 11px; }
.note { margin: 26px 0; padding: 20px 22px; border-left: 4px solid var(--accent); border-radius: 0 16px 16px 0; background: var(--accent-soft); color: #78350f; }
.note strong { color: #78350f; }
.side-nav { position: sticky; top: 100px; padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: rgba(255,255,255,.8); }
.side-nav strong { display: block; margin-bottom: 12px; }
.side-nav a { display: block; padding: 8px 0; color: var(--muted); text-decoration: none; }
.side-nav a:hover { color: var(--brand); }

.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--line); border-radius: 18px; background: white; }
.faq-list summary { cursor: pointer; padding: 20px 54px 20px 22px; font-weight: 780; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { float: right; margin-right: -30px; color: var(--brand); content: "+"; font-size: 1.35rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list p { margin: 0; padding: 0 22px 22px; color: var(--muted); }

.not-found { min-height: 70vh; display: grid; place-items: center; text-align: center; }
.not-found-code { color: var(--brand); font-size: clamp(5rem, 16vw, 10rem); font-weight: 900; line-height: .9; letter-spacing: -.08em; }
.not-found p { max-width: 520px; margin: 22px auto 28px; color: var(--muted); }

.site-footer { margin-top: 52px; padding: 42px 0; border-top: 1px solid var(--line); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-links a { color: var(--muted); font-size: .92rem; text-decoration: none; }
.privacy-note { margin: 16px 0 0; color: var(--muted); font-size: .84rem; }

:focus-visible { outline: 3px solid rgba(20,184,166,.5); outline-offset: 3px; }

@media (max-width: 900px) {
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu { display: block; }
  .hero-grid, .article-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .hero-art { max-width: 640px; margin: 0 auto; }
  .card-grid { grid-template-columns: 1fr; }
  .side-nav { position: static; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1160px); }
  .header-inner { min-height: 68px; }
  .brand img { width: 36px; height: 36px; }
  .hero { padding-top: 38px; }
  h1 { font-size: clamp(2.35rem, 13vw, 3.35rem); }
  .section { padding: 46px 0; }
  .section-heading, .footer-grid { align-items: flex-start; flex-direction: column; }
  .hero-actions .button, .callout .button { width: 100%; }
  .status-pill { right: 0; bottom: 1%; font-size: .78rem; }
  .card, .article { padding: 24px 20px; border-radius: 22px; }
  .callout { grid-template-columns: 1fr; padding: 28px 22px; }
  .step { grid-template-columns: 46px minmax(0,1fr); padding: 20px 18px; }
  .step::before { width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}