:root {
  color-scheme: light;
  --navy: #123B63;
  --navy-dark: #0F2740;
  --teal: #2BB7A9;
  --teal-dark: #087D72;
  --teal-soft: #E8F7F5;
  --ink: #17212B;
  --muted: #5D6A78;
  --line: #D9E1E8;
  --canvas: #F3F6F9;
  --panel: #F6F8FA;
  --white: #FFFFFF;
  --shadow: 0 18px 50px rgba(15, 39, 64, .10);
  --shadow-soft: 0 10px 30px rgba(15, 39, 64, .07);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: 16px/1.58 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--navy);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--teal-dark);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 100;
  padding: .75rem 1rem;
  border-radius: 8px;
  background: var(--white);
}

.shell {
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: flex;
  flex-direction: column;
  color: var(--navy-dark);
  text-decoration: none;
  line-height: 1.1;
}

.brand-name {
  color: var(--navy);
  font-size: 1.36rem;
  font-weight: 850;
  letter-spacing: -.025em;
}

.brand-name b {
  color: var(--teal);
}

.brand-tagline {
  margin-top: 6px;
  color: var(--muted);
  font-size: .71rem;
  font-weight: 750;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.site-header nav a,
.site-footer nav a {
  color: var(--navy-dark);
  text-decoration: none;
  font-size: .91rem;
  font-weight: 750;
}

.hero {
  padding: 74px 0 66px;
  background:
    radial-gradient(circle at 86% 14%, rgba(43, 183, 169, .13), transparent 32%),
    linear-gradient(180deg, #FFFFFF 0%, #FBFDFE 100%);
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
  gap: 56px;
  align-items: center;
}

.eyebrow,
.card-label,
.number {
  margin: 0 0 8px;
  color: var(--teal-dark);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--navy-dark);
  line-height: 1.14;
}

h1 {
  margin-bottom: 24px;
  max-width: 760px;
  font-size: clamp(2.8rem, 5.8vw, 5.1rem);
  line-height: 1.04;
  letter-spacing: -.045em;
}

h1 em {
  color: var(--teal-dark);
  font-style: normal;
}

h2 {
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  letter-spacing: -.03em;
}

h3 {
  font-size: 1.07rem;
}

.hero-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 17px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--navy);
  box-shadow: 0 9px 24px rgba(18, 59, 99, .18);
}

.button.primary:hover {
  color: var(--white);
  background: var(--navy-dark);
}

.button.secondary {
  color: var(--navy-dark);
  background: var(--white);
  border: 1px solid var(--line);
}

.pilot-note {
  max-width: 700px;
  color: var(--muted);
  font-size: .9rem;
}

.trust-card {
  overflow: hidden;
  padding: 31px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 7px solid var(--teal);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.trust-card h2 {
  margin: 8px 0 13px;
  font-size: 2rem;
}

.trust-card > p:not(.card-label):not(.operator-note) {
  color: var(--muted);
}

.check-list {
  margin: 21px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding: 11px 0 11px 28px;
  border-top: 1px solid var(--line);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 2px;
  color: var(--teal-dark);
  font-weight: 900;
}

.operator-note {
  margin: 19px 0 0;
  padding-top: 17px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .83rem;
}

.section {
  padding: 76px 0;
}

.section:nth-of-type(even):not(.section-alt):not(.final-cta) {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-alt {
  color: var(--ink);
  background: var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-alt h2,
.section-alt h3 {
  color: var(--navy-dark);
}

.section-alt .eyebrow {
  color: var(--teal-dark);
}

.section-heading {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 54px;
  align-items: end;
  margin-bottom: 35px;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.02rem;
}

.three-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
}

.feature-card,
.standards-grid article,
.contact-card {
  padding: 25px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.feature-card {
  border-top: 4px solid var(--teal);
}

.feature-card h3 {
  margin: 15px 0 8px;
}

.feature-card p,
.standards-grid p,
.contact-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 56px;
}

.boundary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 17px;
}

.boundary-grid article {
  padding: 25px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

.boundary-grid article:first-child {
  border-top: 4px solid var(--teal);
}

.boundary-grid article:last-child {
  border-top: 4px solid #9AA9B8;
}

.boundary-grid ul {
  margin: 0;
  padding-left: 20px;
}

.boundary-grid li {
  margin: 8px 0;
  color: var(--muted);
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.standards-grid article {
  border-top: 4px solid var(--teal);
}

.final-cta {
  padding-top: 20px;
  background: var(--canvas);
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 36px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 7px solid var(--teal);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cta-card h2 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3.7vw, 2.65rem);
}

.policy-hero {
  padding: 62px 0 38px;
  background: linear-gradient(180deg, #FFFFFF 0%, #FBFDFE 100%);
  border-bottom: 1px solid var(--line);
}

.policy-shell {
  max-width: 820px;
}

.policy-hero h1 {
  margin-bottom: 16px;
  font-size: clamp(2.75rem, 6vw, 4.5rem);
}

.lede {
  color: var(--muted);
  font-size: 1.12rem;
}

.effective {
  color: var(--muted);
  font-size: .88rem;
}

.policy-body {
  padding: 48px 0 78px;
}

.prose h2 {
  margin: 41px 0 13px;
  font-size: 1.8rem;
}

.prose h3 {
  margin: 25px 0 7px;
}

.prose p,
.prose li {
  color: #344250;
}

.prose ul {
  padding-left: 22px;
}

.policy-note {
  margin-top: 44px;
  padding: 18px 20px;
  background: var(--teal-soft);
  border: 1px solid #BCE8E2;
  border-left: 6px solid var(--teal);
  border-radius: 12px;
  color: var(--navy-dark);
}

.table-wrap {
  overflow-x: auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: var(--shadow-soft);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 15px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  color: var(--navy-dark);
  background: var(--panel);
}

tr:last-child td {
  border-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 17px;
  margin-bottom: 48px;
}

.contact-card {
  border-top: 4px solid var(--teal);
}

.contact-card a {
  font-weight: 800;
  word-break: break-word;
}

.site-footer {
  padding: 46px 0 20px;
  color: rgba(255, 255, 255, .78);
  background: var(--navy-dark);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 38px;
  padding-bottom: 31px;
}

.footer-grid > div {
  max-width: 500px;
}

.footer-brand {
  margin: 0 0 9px;
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 800;
}

.footer-brand span {
  color: var(--teal);
}

.site-footer nav a {
  color: var(--white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  font-size: .8rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .section-heading,
  .split {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .three-grid,
  .standards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .shell {
    width: min(100% - 26px, 1060px);
  }

  .header-inner {
    align-items: flex-start;
    padding: 14px 0;
  }

  .site-header nav {
    justify-content: flex-end;
    gap: 9px 14px;
  }

  .site-header nav a {
    font-size: .8rem;
  }

  .brand-tagline {
    display: none;
  }

  .hero {
    padding: 54px 0 48px;
  }

  .three-grid,
  .standards-grid,
  .boundary-grid {
    grid-template-columns: 1fr;
  }

  .cta-card,
  .footer-grid,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .section {
    padding: 58px 0;
  }

  .trust-card,
  .cta-card {
    padding: 25px;
  }
}
