:root {
  --navy: #10233f;
  --navy-soft: #1c3456;
  --teal: #0f9d8a;
  --teal-dark: #087565;
  --mint: #e5faf7;
  --paper: #f7f9fc;
  --white: #ffffff;
  --text: #26364d;
  --muted: #667085;
  --line: #dce3ec;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 85% 5%, rgba(15, 157, 138, 0.12), transparent 26rem),
    var(--paper);
  line-height: 1.65;
}

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

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--navy);
  text-decoration: none;
  font-weight: 850;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 8px 20px rgba(15, 157, 138, 0.22);
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  color: var(--navy-soft);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
}

.hero {
  padding: clamp(64px, 10vw, 124px) 0 clamp(54px, 8vw, 92px);
  max-width: 850px;
}

.eyebrow {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

h1 {
  margin: 16px 0 24px;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 900;
}

h2 {
  margin: 10px 0 14px;
  font-size: 1.45rem;
}

p {
  margin: 0 0 1rem;
}

.hero-copy,
.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.status {
  display: inline-flex;
  align-items: center;
  margin-top: 28px;
  padding: 10px 15px;
  border: 1px solid rgba(15, 157, 138, 0.22);
  border-radius: 999px;
  color: var(--teal-dark);
  background: var(--mint);
  font-weight: 750;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-grid article,
.notice,
.support,
.policy section {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 15px 50px rgba(16, 35, 63, 0.06);
}

.feature-grid article {
  padding: 28px;
}

.feature-number {
  color: var(--teal);
  font-weight: 850;
  letter-spacing: 0.08em;
}

.feature-grid p,
.notice p,
.support p,
.policy section p {
  color: var(--muted);
}

.notice {
  margin-top: 18px;
  padding: 30px;
  border-left: 5px solid var(--teal);
}

.support {
  margin-top: 72px;
  padding: clamp(28px, 5vw, 52px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.button {
  flex: 0 0 auto;
  padding: 13px 18px;
  border-radius: 12px;
  color: var(--white);
  background: var(--navy);
  text-decoration: none;
  font-weight: 750;
}

.button:hover,
.button:focus-visible {
  background: var(--teal-dark);
}

.policy {
  max-width: 860px;
  padding: clamp(54px, 8vw, 90px) 0;
}

.policy h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
}

.policy .lead {
  margin-bottom: 44px;
}

.policy section {
  margin-top: 16px;
  padding: clamp(22px, 4vw, 34px);
}

.policy strong {
  color: var(--navy);
}

footer {
  margin-top: 70px;
  padding: 30px 0 42px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

footer p {
  max-width: 600px;
  margin: 0;
}

@media (max-width: 760px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1120px);
  }

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

  nav {
    gap: 14px;
  }

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

  .support,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
