:root {
  --navy: #092957;
  --navy-deep: #061d3e;
  --blue: #157bd1;
  --blue-dark: #0967b8;
  --orange: #f28c28;
  --ink: #172338;
  --muted: #5f6c7c;
  --line: #dce5ed;
  --soft: #f5f9fc;
  --white: #fff;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 1000; background: #fff; padding: 10px 14px; }
.skip-link:focus { left: 12px; top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid #e7edf3;
  box-shadow: 0 6px 22px rgba(9,41,87,.06);
  backdrop-filter: blur(10px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); font-size: 1.22rem; font-weight: 760; text-decoration: none; letter-spacing: -.02em; }
.brand strong { color: var(--blue); }
.brand-mark { display: grid; place-items: center; width: 31px; height: 31px; border: 3px solid var(--blue); border-radius: 50%; color: var(--blue); font-weight: 900; transform: rotate(-8deg); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 52px;
  padding: 13px 25px;
  border: 0;
  border-radius: 8px;
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button:focus-visible { outline: 3px solid rgba(21,123,209,.34); outline-offset: 3px; }
.button-small { min-height: 44px; padding: 11px 20px; color: #fff; background: var(--blue); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 10px 24px rgba(21,123,209,.2); }
.button-primary:hover, .button-small:hover { background: var(--blue-dark); box-shadow: 0 12px 28px rgba(21,123,209,.25); }
.button-orange { color: #fff; background: var(--orange); box-shadow: 0 10px 24px rgba(242,140,40,.2); }
.button-orange:hover { background: #dc7716; }

.hero { padding: 62px 0 68px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 62px; align-items: center; }
.hero h1 { margin: 0 0 18px; color: var(--navy-deep); font-size: clamp(2.9rem, 5.4vw, 5rem); line-height: .98; letter-spacing: -.055em; }
.hero-lead { margin: 0 0 25px; font-size: clamp(1.15rem, 2vw, 1.45rem); color: #465365; font-weight: 620; }
.check-list { display: grid; gap: 12px; padding: 0; margin: 0 0 31px; list-style: none; font-size: 1.08rem; font-weight: 650; }
.check-list li { position: relative; padding-left: 37px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 25px; height: 25px; border-radius: 50%; color: #fff; background: var(--blue); font-size: .9rem; }
.redirect-note { margin: 11px 0 0; color: var(--muted); font-size: .9rem; }
.redirect-note::before { content: "↗"; margin-right: 7px; color: var(--blue); }
.hero-media { margin: 0; overflow: hidden; border-radius: 14px; background: var(--soft); box-shadow: 0 24px 55px rgba(9,41,87,.14); aspect-ratio: 1 / 1; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

.section { padding: 88px 0; }
.split-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 68px; align-items: center; }
.section h2 { margin: 0 0 18px; color: var(--navy-deep); font-size: clamp(2rem, 3.3vw, 3rem); line-height: 1.12; letter-spacing: -.035em; }
.section-copy > p { margin: 0 0 18px; font-size: 1.08rem; }
.source-note { padding-left: 17px; border-left: 3px solid var(--blue); color: var(--muted); font-size: .94rem !important; }
.detail-media { margin: 0; border-radius: 14px; overflow: hidden; background: var(--soft); }
.detail-media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

.features { background: var(--soft); }
.centered-title { text-align: center; }
.centered-title::after { content: ""; display: block; width: 68px; height: 4px; margin: 20px auto 0; border-radius: 5px; background: var(--blue); }
.feature-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 66px; align-items: center; margin-top: 48px; }
.feature-image { margin: 0; overflow: hidden; border-radius: 14px; background: var(--navy-deep); box-shadow: 0 22px 48px rgba(9,41,87,.16); }
.feature-image img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.feature-list { display: grid; }
.feature-row { display: grid; grid-template-columns: 62px 1fr; gap: 22px; align-items: center; padding: 21px 0; border-bottom: 1px solid #d3dee8; }
.feature-row:last-child { border-bottom: 0; }
.feature-icon { display: grid; place-items: center; width: 52px; height: 52px; border: 2px solid var(--blue); border-radius: 50%; color: var(--blue); font-size: 1.45rem; font-weight: 820; }
.feature-icon.dual { border-color: var(--orange); color: var(--blue); }
.feature-row h3 { margin: 0 0 5px; color: var(--navy); font-size: 1.18rem; }
.feature-row p { margin: 0; color: var(--muted); }

.steps-block { margin-top: 76px; padding-top: 54px; border-top: 1px solid #cfdbe6; }
.steps-block h2 { text-align: center; font-size: clamp(1.65rem, 2.6vw, 2.25rem); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; padding: 0; margin: 38px 0 34px; list-style: none; counter-reset: steps; }
.steps li { display: grid; grid-template-columns: 43px 1fr; gap: 14px; }
.steps li > span { display: grid; place-items: center; width: 43px; height: 43px; border-radius: 50%; color: #fff; background: var(--blue); font-weight: 800; }
.steps strong { color: var(--navy); font-size: 1.03rem; }
.steps p { margin: 5px 0 0; color: var(--muted); font-size: .94rem; }
.centered-action { text-align: center; }

.faq { background: #fff; }
.faq-container { max-width: 1010px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-of-type { margin-top: 38px; border-top: 1px solid var(--line); }
.faq summary { position: relative; padding: 23px 55px 23px 6px; cursor: pointer; color: var(--navy-deep); font-size: 1.08rem; font-weight: 760; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 9px; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%; background: var(--soft); color: var(--blue); font-size: 1.35rem; }
.faq details[open] summary::after { content: "−"; background: var(--blue); color: #fff; }
.faq details p { max-width: 900px; margin: -4px 0 24px 6px; color: #4b596c; }

.final-cta { padding: 57px 0; color: #fff; background: var(--navy); text-align: center; }
.final-cta h2 { margin: 0 0 24px; font-size: clamp(1.65rem, 3vw, 2.35rem); line-height: 1.2; }
.final-cta p { margin: 14px 0 0; color: #c9d7e8; font-size: .93rem; }
.site-footer { padding: 32px 0; color: #cbd6e4; background: var(--navy-deep); }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 34px; align-items: center; }
.brand-footer { color: #fff; white-space: nowrap; }
.footer-inner p { margin: 0; font-size: .88rem; text-align: center; }
.footer-inner > a { color: #69b8f3; font-size: .9rem; }

.info-page { min-height: 100vh; background: var(--soft); }
.back-link { color: var(--blue); text-decoration: none; font-weight: 680; }
.legal-content { max-width: 850px; margin-top: 70px; margin-bottom: 90px; padding: 52px; border-radius: 14px; background: #fff; box-shadow: 0 18px 45px rgba(9,41,87,.09); }
.legal-content h1 { margin-top: 0; color: var(--navy-deep); font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.04em; }
.legal-lead { color: var(--muted); }
.legal-content dl { margin: 34px 0; border-top: 1px solid var(--line); }
.legal-content dl div { display: grid; grid-template-columns: 260px 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.legal-content dt { font-weight: 730; color: var(--navy); }
.legal-content dd { margin: 0; }

@media (max-width: 850px) {
  .container { width: min(100% - 30px, var(--container)); }
  .header-inner { min-height: 66px; }
  .brand { font-size: 1.03rem; }
  .brand-mark { width: 27px; height: 27px; }
  .button-small { min-height: 40px; padding: 9px 13px; font-size: .88rem; }
  .hero { padding: 42px 0 52px; }
  .hero-grid, .split-layout, .feature-layout { grid-template-columns: 1fr; gap: 38px; }
  .hero h1 { font-size: clamp(2.7rem, 12vw, 4.25rem); }
  .hero-media { order: -1; aspect-ratio: 1/1; }
  .section { padding: 66px 0; }
  .split-layout { gap: 30px; }
  .detail-media img { aspect-ratio: 1/1; }
  .steps { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .brand-footer { justify-self: center; }
  .legal-content { margin-top: 35px; padding: 28px 22px; }
  .legal-content dl div { grid-template-columns: 1fr; gap: 3px; }
}

@media (max-width: 480px) {
  .header-inner .button-small { display: none; }
  .hero-copy .button, .centered-action .button, .final-cta .button { width: 100%; }
  .feature-row { grid-template-columns: 50px 1fr; gap: 15px; }
  .feature-icon { width: 44px; height: 44px; font-size: 1.18rem; }
  .faq summary { padding-right: 48px; }
}

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