:root {
  color-scheme: light;
  --paper: #f4f3ee;
  --surface: #ffffff;
  --ink: #151d2b;
  --muted: #5f6b68;
  --line: #d7dfdc;
  --primary: #2f7180;
  --accent: #b28a47;
  --soft: #edf1ee;
  --shadow: 0 22px 60px rgba(20, 28, 31, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 244, 238, 0.92);
  backdrop-filter: blur(14px);
}

.brand {
  font-size: 18px;
  font-weight: 760;
}

nav {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 15px;
}

main {
  width: min(100%, 1280px);
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  align-items: center;
  gap: 58px;
  padding: 72px 48px 90px;
  border-bottom: 1px solid var(--line);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  max-width: 600px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--primary);
  font-size: 13px;
  line-height: 1.25;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 11ch;
  margin-bottom: 26px;
  color: var(--ink);
  font-size: 72px;
  line-height: 0.97;
  font-weight: 850;
  letter-spacing: 0;
}

.lede,
.section p,
footer p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.55;
}

.section {
  padding: 90px 48px;
  border-bottom: 1px solid var(--line);
}

.section h2 {
  max-width: 700px;
  margin-bottom: 22px;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
}

.section > p:not(.eyebrow) {
  max-width: 820px;
}

.muted {
  margin-inline: calc(50% - 50vw);
  padding-inline: max(48px, calc(50vw - 592px));
  background: var(--soft);
}

.term-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.term-card {
  min-height: 186px;
  padding: 24px;
  border-top: 4px solid var(--primary);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(18, 27, 29, 0.08);
}

.term-card:nth-child(3n + 2) {
  border-top-color: var(--accent);
}

.term-card h3 {
  margin-bottom: 12px;
  font-size: 19px;
  line-height: 1.25;
}

.term-card p {
  font-size: 16px;
  line-height: 1.55;
}

.checks ul {
  display: grid;
  gap: 16px;
  max-width: 820px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checks li {
  position: relative;
  padding-left: 34px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.5;
}

.checks li::before {
  content: "";
  position: absolute;
  top: 0.42em;
  left: 0;
  width: 13px;
  height: 13px;
  border: 2px solid var(--primary);
  border-radius: 50%;
}

footer {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 34px 48px 42px;
}

footer p {
  margin-bottom: 8px;
  font-size: 15px;
}

.notice-line {
  color: var(--ink);
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 18px 20px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 42px 20px 54px;
  }

  .hero-copy {
    order: -1;
  }

  h1 {
    max-width: 12ch;
    font-size: 44px;
  }

  .lede,
  .section p {
    font-size: 18px;
  }

  .section {
    padding: 58px 20px;
  }

  .section h2 {
    font-size: 30px;
  }

  .muted {
    padding-inline: 20px;
  }

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

  .term-card {
    min-height: 0;
  }

  footer {
    padding: 30px 20px 36px;
  }
}