:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #06100d;
  color: #e7f5f0;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    linear-gradient(rgba(44, 245, 198, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 245, 198, 0.035) 1px, transparent 1px),
    #06100d;
  background-size: 28px 28px;
}

a { color: #56f7d0; }
a:hover, a:focus-visible { color: #a4ffe9; }

.site-header {
  border-bottom: 1px solid #1f5548;
  background: rgba(7, 25, 20, 0.94);
}

.site-header-inner,
.site-footer,
main {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  color: #f2fffb;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0.02em;
}

nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: #a8c8be; text-decoration: none; font-size: 0.92rem; }
nav a[aria-current="page"] { color: #56f7d0; }

main { padding: 68px 0 72px; }

.eyebrow {
  margin: 0 0 12px;
  color: #56f7d0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2 { color: #f4fffc; line-height: 1.2; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.1rem, 6vw, 4rem); }
h2 { margin: 36px 0 10px; font-size: 1.25rem; }

.lede {
  max-width: 760px;
  margin: 22px 0 0;
  color: #b8d1ca;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 44px;
}

.card,
.notice {
  border: 1px solid #1f5548;
  border-radius: 12px;
  background: rgba(10, 31, 25, 0.88);
}

.card { padding: 22px; }
.card h2 { margin-top: 0; }
.card p, main li, main > p { color: #b8d1ca; line-height: 1.7; }
.notice { margin-top: 38px; padding: 22px; }
.notice h2 { margin: 0 0 10px; }
.notice p { margin: 0; color: #c9ded8; line-height: 1.7; }
ul { padding-left: 22px; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid #2cf5c6;
  border-radius: 8px;
  color: #03110d;
  background: #2cf5c6;
  font-weight: 800;
  text-decoration: none;
}
.button.secondary { color: #c8ded7; background: transparent; border-color: #397266; }

.site-footer {
  padding: 24px 0 36px;
  border-top: 1px solid #183c33;
  color: #86a69d;
  font-size: 0.86rem;
}

@media (max-width: 720px) {
  .site-header-inner { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .card-grid { grid-template-columns: 1fr; }
  main { padding-top: 46px; }
}