:root {
  color-scheme: light;
  --ink: #102a33;
  --muted: #526b73;
  --teal: #005267;
  --aqua: #13cfc9;
  --paper: #f4fbfa;
  --line: #cde3df;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 8%, rgba(19, 207, 201, 0.15), transparent 28rem),
    linear-gradient(180deg, #f8fffe 0%, var(--paper) 100%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

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

header,
main,
footer {
  width: min(920px, calc(100% - 40px));
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 12px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 0.94rem;
}

main {
  padding: 48px 0 80px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 230px;
  align-items: center;
  gap: 56px;
  min-height: 520px;
}

.hero img {
  width: 100%;
  border-radius: 28%;
  box-shadow: 0 24px 60px rgba(0, 57, 71, 0.18);
}

.eyebrow {
  color: var(--teal);
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  margin: 12px 0 22px;
  font-size: clamp(2.5rem, 7vw, 5.2rem);
}

h2 {
  margin-top: 48px;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
}

.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.14rem;
}

.pill {
  display: inline-block;
  margin-top: 18px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  font-weight: 650;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.card,
.policy {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 40px rgba(0, 57, 71, 0.06);
}

.card {
  padding: 24px;
}

.card h3 {
  margin-top: 0;
}

.policy {
  padding: clamp(24px, 5vw, 52px);
}

.policy h1 {
  font-size: clamp(2.1rem, 6vw, 3.8rem);
}

.notice {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--aqua);
  border-radius: 12px;
  background: #e9fbf8;
}

footer {
  padding: 30px 0 54px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero img {
    width: 180px;
    grid-row: 1;
  }

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