:root {
  color-scheme: light dark;
  --navy: #0b1730;
  --navy-soft: #142342;
  --blue: #2563eb;
  --blue-bright: #3b82f6;
  --ink: #111827;
  --muted: #5f6b7c;
  --line: #d8dee8;
  --surface: #ffffff;
  --surface-soft: #f4f7fb;
  --focus: #93c5fd;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--surface);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--blue);
  text-underline-offset: 0.2em;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 4px;
}

.shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 1;
  background: var(--navy);
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
  text-decoration: none;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 7px 18px rgba(0, 0, 0, 0.28);
}

.brand span {
  display: grid;
  line-height: 1.1;
}

.brand strong {
  font-size: 18px;
}

.brand small {
  margin-top: 4px;
  color: #bfdbfe;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

nav a {
  color: #dbeafe;
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: white;
}

nav a[aria-current="page"] {
  border-bottom: 2px solid var(--blue-bright);
}

.intro-band {
  color: white;
  background: var(--navy);
  padding: 86px 0 92px;
}

.intro-band.compact {
  padding-block: 72px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 56px;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--blue-bright);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

h1,
h2 {
  margin-top: 0;
  letter-spacing: 0;
  line-height: 1.12;
}

h1 {
  max-width: 820px;
  margin-bottom: 22px;
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 760;
}

h2 {
  margin-bottom: 16px;
  font-size: 30px;
}

.lead {
  max-width: 700px;
  margin: 0;
  color: #dbe7fb;
  font-size: 21px;
}

.primary-action {
  min-width: 174px;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  color: white;
  background: var(--blue);
  border: 1px solid #60a5fa;
  border-radius: 7px;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.28);
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.primary-action:hover {
  background: #1d4ed8;
}

.content-section {
  padding: 88px 0 96px;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: 76px;
}

.muted {
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  position: relative;
  padding: 21px 46px 21px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 680;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  color: var(--blue);
  font-size: 27px;
  font-weight: 400;
}

details[open] summary::after {
  content: "-";
}

details p {
  margin: -3px 42px 22px 0;
  color: var(--muted);
}

.contact-band {
  color: white;
  background: var(--navy-soft);
  border-top: 4px solid var(--blue);
  padding: 64px 0;
}

.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 54px;
}

.contact-inner p:not(.section-label) {
  max-width: 670px;
  margin-bottom: 0;
  color: #cbd8ee;
}

.contact-address {
  display: grid;
  gap: 6px;
  min-width: 280px;
  padding-left: 28px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-address span {
  color: #9db0cc;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.contact-address a {
  color: white;
  font-size: 18px;
  font-weight: 680;
}

.policy {
  max-width: 820px;
  padding-block: 64px 88px;
}

.policy section {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.policy section:first-child {
  padding-top: 0;
}

.policy section:last-child {
  border-bottom: 0;
}

.policy h2 {
  font-size: 24px;
}

.policy p {
  margin: 0;
  color: var(--muted);
}

footer {
  color: var(--muted);
  background: var(--surface-soft);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.footer-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .header-inner {
    min-height: 70px;
  }

  nav {
    gap: 16px;
  }

  .brand small {
    display: none;
  }

  .intro-band,
  .intro-band.compact {
    padding: 58px 0 62px;
  }

  .intro-grid,
  .two-column,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .contact-inner {
    gap: 34px;
  }

  h1 {
    font-size: 40px;
  }

  .lead {
    font-size: 19px;
  }

  .primary-action {
    justify-self: start;
  }

  .content-section {
    padding: 64px 0 72px;
  }

  .two-column {
    gap: 34px;
  }

  .contact-address {
    min-width: 0;
    padding: 24px 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-left: 0;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f3f6fb;
    --muted: #b2bdd0;
    --line: #2b3850;
    --surface: #0d1422;
    --surface-soft: #111b2d;
  }

  .intro-band,
  .site-header {
    background: #081326;
  }

  .faq-list,
  details,
  .policy section,
  footer {
    border-color: var(--line);
  }
}