:root {
  --bg: #f4f7fb;
  --surface: #fff;
  --surface-soft: #eef2f8;
  --text: #0f172a;
  --muted: #5c6b7a;
  --primary: #1e3a8a;
  --accent: #0e7490;
  --accent-soft: #e0f2f7;
  --border: #e2e8f0;
  --glow: #1e3a8a1f;
  --radius: 16px;
  --max: 1180px;
  color-scheme: light;
}
html.dark {
  --bg: #060d18;
  --surface: #0c1424;
  --surface-soft: #111c2e;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --primary: #5b7cfa;
  --accent: #38bdf8;
  --accent-soft: #0f2438;
  --border: #ffffff17;
  --glow: #5b7cfa26;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.25em; }

.skip-link {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--primary); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip-link:focus { left: 12px; color: #fff; }

.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 40px; width: auto; }
.brand .logo-dark { display: none; }
html.dark .brand .logo-light { display: none; }
html.dark .brand .logo-dark { display: block; }
.main-nav { display: flex; align-items: center; gap: 0.25rem; }
.main-nav a {
  color: var(--text); text-decoration: none; font-weight: 600; font-size: 0.94rem;
  padding: 0.45rem 0.7rem; border-radius: 999px;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { background: var(--surface-soft); color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 0.5rem; }
.theme-toggle {
  width: 42px; height: 42px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--surface-soft); color: var(--text); cursor: pointer; font-size: 1.05rem;
}
.mobile-nav { display: none; position: relative; }
.mobile-nav summary {
  list-style: none; cursor: pointer; width: 42px; height: 42px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-soft);
  display: grid; place-items: center; font-size: 1.2rem;
}
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav nav {
  position: absolute; right: 0; top: 52px; min-width: 230px; padding: 0.5rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: 0 18px 50px -20px rgba(15, 23, 42, 0.35);
  display: grid;
}
.mobile-nav nav a { padding: 0.6rem 0.8rem; border-radius: 10px; color: var(--text); text-decoration: none; font-weight: 600; }
.mobile-nav nav a:hover { background: var(--surface-soft); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 46px; padding: 0.7rem 1.35rem; border-radius: 12px;
  font-weight: 700; font-size: 0.97rem; text-decoration: none; border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 30px -14px var(--primary); }
.btn-primary:hover { color: #fff; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { color: var(--primary); border-color: var(--primary); }
.btn-light { background: #fff; color: #0f172a; }
.btn-light:hover { color: #0f172a; }
.btn-outline-light { color: #fff; border-color: rgba(255, 255, 255, 0.45); }
.btn-outline-light:hover { color: #fff; border-color: #fff; }
.header-cta { min-height: 42px; padding: 0.5rem 1rem; }

/* Breadcrumbs */
.breadcrumbs { padding: 1.1rem 0 0; font-size: 0.88rem; color: var(--muted); }
.breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.35rem; }
.breadcrumbs li + li::before { content: "/"; margin-right: 0.35rem; opacity: 0.6; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--primary); }

/* Hero */
.hero { padding: 2.5rem 0 3.5rem; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% -10% auto auto; width: 60vw; height: 60vw; max-width: 720px; max-height: 720px;
  background: radial-gradient(circle, var(--glow), transparent 65%); pointer-events: none;
}
.hero .wrap { position: relative; }
.eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.9rem;
}
.lead { font-size: 1.13rem; color: var(--muted); max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1.6rem; padding: 0; list-style: none; }
.hero-meta li {
  font-size: 0.85rem; font-weight: 600; color: var(--primary); background: var(--accent-soft);
  padding: 0.3rem 0.8rem; border-radius: 999px;
}

/* Sections */
.section { padding: 3.25rem 0; }
.section.alt { background: var(--surface); border-block: 1px solid var(--border); }
.section-head { max-width: 760px; margin-bottom: 1.8rem; }
.section-head p { color: var(--muted); }
.grid { display: grid; gap: 1.1rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
}
.section.alt .card { background: var(--bg); }
.card h3 { margin-bottom: 0.4em; }
.card p:last-child { margin-bottom: 0; }
.card p { color: var(--muted); font-size: 0.96rem; }
a.card { display: block; text-decoration: none; color: inherit; transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease; }
a.card:hover { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); box-shadow: 0 16px 48px -28px var(--primary); transform: translateY(-2px); }
a.card h3 { color: var(--text); }
.card-link-label { display: inline-block; margin-top: 0.6rem; font-weight: 700; font-size: 0.9rem; color: var(--accent); }

.check-list { list-style: none; padding: 0; display: grid; gap: 0.65rem; }
.check-list li { position: relative; padding-left: 1.8rem; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0.05rem; width: 1.25rem; height: 1.25rem; border-radius: 999px;
  display: grid; place-items: center; font-size: 0.72rem; font-weight: 800; color: var(--primary); background: var(--accent-soft);
}
.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: start; }

.steps { list-style: none; padding: 0; counter-reset: step; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.steps li { counter-increment: step; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem 1.3rem 1.2rem; }
.section.alt .steps li { background: var(--bg); }
.steps li::before {
  content: counter(step, decimal-leading-zero); display: block; font-weight: 800; font-size: 0.85rem;
  color: var(--accent); letter-spacing: 0.12em; margin-bottom: 0.5rem;
}
.steps h3 { margin-bottom: 0.35em; }
.steps p { color: var(--muted); font-size: 0.95rem; margin: 0; }

.chips { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chips li { border: 1px solid var(--border); background: var(--surface); padding: 0.4rem 0.9rem; border-radius: 999px; font-weight: 600; font-size: 0.9rem; }
.note { font-size: 0.92rem; color: var(--muted); }

.prose { max-width: 800px; }
.prose h3 { margin-top: 1.6rem; }

/* FAQ */
.faq { display: grid; gap: 0.75rem; max-width: 860px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 0 1.2rem; }
.section.alt .faq details { background: var(--bg); }
.faq summary {
  cursor: pointer; list-style: none; padding: 1rem 2rem 1rem 0; font-weight: 700; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 0.85rem; font-size: 1.3rem; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq summary h3 { display: inline; font-size: 1rem; margin: 0; }
.faq .answer { padding: 0 0 1rem; color: var(--muted); }
.faq .answer p:last-child { margin-bottom: 0; }

/* CTA band */
.cta-band { padding: 3.5rem 0 4rem; }
.cta-box {
  background: linear-gradient(135deg, #1e3a8a, #0e7490); color: #fff; border-radius: 22px;
  padding: clamp(1.8rem, 4vw, 3rem); display: grid; grid-template-columns: 1.3fr 1fr; gap: 2rem; align-items: center;
}
.cta-box h2 { color: #fff; }
.cta-box p { color: rgba(255, 255, 255, 0.85); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: flex-end; }
.cta-contact { list-style: none; padding: 0; margin: 1rem 0 0; display: grid; gap: 0.3rem; font-size: 0.95rem; }
.cta-contact a { color: #fff; }

/* Footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 3rem 0 1.5rem; font-size: 0.94rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 2rem; }
.site-footer h2 { font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 0.9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.45rem; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--primary); }
.footer-about p { color: var(--muted); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; padding-top: 1.25rem;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 0.85rem;
}
.footer-bottom ul { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Responsive */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-about { grid-column: 1 / -1; }
}
@media (max-width: 960px) {
  .main-nav, .header-cta { display: none; }
  .mobile-nav { display: block; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-col, .cta-box { grid-template-columns: 1fr; }
  .cta-actions { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 2.5rem 0; }
  .hero { padding: 1.75rem 0 2.5rem; }
  .brand img { height: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, a.card { transition: none; }
  .btn:hover, a.card:hover { transform: none; }
}