:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef7f5;
  --ink: #17212f;
  --muted: #5b6675;
  --line: #d9e1ea;
  --accent: #0f766e;
  --accent-dark: #0b5f59;
  --accent-soft: #dff4ef;
  --warm: #b45309;
  --shadow: 0 20px 55px rgba(23, 33, 47, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #ffffff 0, var(--bg) 380px),
    var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--accent);
}

.topbar {
  width: min(1080px, calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.app-mark {
  width: 40px;
  height: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  padding: 5px;
  border-radius: 8px;
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.18);
}

.app-mark span {
  border-radius: 4px;
  background: #ffffff;
}

.app-mark span:nth-child(2) {
  background: #34d399;
}

.app-mark span:nth-child(4) {
  background: #fbbf24;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  padding: 8px 12px;
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent-dark);
}

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 76px;
}

.wrap.narrow {
  width: min(820px, calc(100% - 40px));
}

.hero {
  max-width: 780px;
  padding: 38px 0 42px;
}

.eyebrow {
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 10px;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  font-size: 4.35rem;
  letter-spacing: 0;
  line-height: 0.98;
  margin: 0;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.2;
  margin: 42px 0 12px;
}

h3 {
  color: var(--ink);
  font-size: 1.05rem;
  margin: 26px 0 8px;
}

p,
li {
  color: var(--muted);
  margin: 0 0 16px;
}

ul {
  padding-left: 1.4rem;
}

.lead {
  color: #3f4a59;
  font-size: 1.18rem;
  margin-top: 18px;
  max-width: 680px;
}

.updated {
  color: var(--muted);
  font-size: 0.94rem;
  margin-top: 12px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: #ffffff;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 46px;
  padding: 10px 18px;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #ffffff;
}

.button.secondary {
  background: #ffffff;
  border-color: var(--line);
  color: var(--ink);
}

.button.secondary:hover {
  background: var(--surface-soft);
  color: var(--ink);
}

.link-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resource {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--ink);
  display: grid;
  gap: 8px;
  min-height: 220px;
  padding: 24px;
  text-decoration: none;
}

.resource:hover {
  border-color: rgba(15, 118, 110, 0.45);
  color: var(--ink);
  transform: translateY(-1px);
}

.resource strong {
  font-size: 1.45rem;
  line-height: 1.15;
}

.resource span:last-child {
  color: var(--muted);
}

.resource-label {
  color: var(--warm);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.document {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 42px;
}

.document h1 {
  font-size: 3.3rem;
}

.notice {
  background: var(--surface-soft);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: 8px;
  margin: 30px 0;
  padding: 20px;
}

.notice strong {
  display: block;
  margin-bottom: 6px;
}

.notice p:last-child {
  margin-bottom: 0;
}

.contact-box {
  background: #fff7ed;
  border-color: #fed7aa;
}

.faq-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
}

summary {
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  list-style-position: outside;
  padding: 16px 18px;
}

details p {
  border-top: 1px solid var(--line);
  margin: 0;
  padding: 16px 18px 18px;
}

.footer {
  align-items: center;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  font-size: 0.92rem;
  gap: 16px;
  justify-content: space-between;
  margin: 0 auto;
  padding: 24px 0 34px;
  width: min(1080px, calc(100% - 40px));
}

.footer a {
  font-weight: 700;
}

@media (max-width: 720px) {
  .topbar {
    width: min(100% - 28px, 1080px);
  }

  .wrap,
  .wrap.narrow,
  .footer {
    width: min(100% - 28px, 1080px);
  }

  .wrap {
    padding: 30px 0 54px;
  }

  .hero {
    padding: 22px 0 32px;
  }

  h1 {
    font-size: 2.55rem;
    line-height: 1.04;
  }

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

  .document {
    padding: 26px 20px;
  }

  .document h1 {
    font-size: 2.25rem;
  }

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