:root {
  --primary-dark: #043238;
  --primary: #064e56;
  --primary-light: #07606a;
  --primary-lighter: #d6e5e6;
  --primary-lightest: #edf6f7;
  --secondary: #ff7b00;
  --secondary-hover: #e66e00;
  --ternary: #83afb4;
  --text: #064e56;
  --border: rgba(4, 50, 56, 0.3);
  --bg: #ffffff;
  --bg-soft: #f7fafa;
  --radius: 6px;
  --shadow: 0 2px 12px rgba(4, 50, 56, 0.08);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  font-size: 16px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a {
  color: var(--secondary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  color: var(--primary-dark);
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  line-height: 1.25;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

p {
  margin: 0 0 0.9em;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-link {
  display: inline-flex;
  align-items: center;
}

.logo-link img {
  height: 36px;
  width: auto;
  display: block;
}

.brand-tag {
  font-size: 0.85rem;
  color: var(--ternary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.main {
  flex: 1;
  padding: 48px 0;
}

.hero {
  text-align: center;
  padding: 64px 0 32px;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 16px;
}

.hero p {
  color: var(--primary-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 32px;
}

.actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 2px solid var(--secondary);
  background: var(--secondary);
  color: #fff;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  min-width: 220px;
  text-decoration: none;
}

.btn:hover {
  background: var(--secondary-hover);
  border-color: var(--secondary-hover);
  color: #fff;
  text-decoration: none;
}

.btn--outline {
  background: transparent;
  color: var(--secondary);
}

.btn--outline:hover {
  background: var(--secondary);
  color: #fff;
}

.site-footer {
  background: var(--primary-dark);
  color: var(--primary-lighter);
  padding: 24px 0;
  font-size: 0.9rem;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a {
  color: #fff;
}

.document {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 0 64px;
}

.document p,
.document li {
  font-size: 0.97rem;
}

.document ul,
.document ol {
  padding-left: 24px;
}

.document li {
  margin-bottom: 6px;
}

.document mark {
  background: #fff3cc;
  color: var(--primary-dark);
  padding: 0 2px;
  border-radius: 2px;
}

.document table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.document td {
  padding: 8px 12px;
  vertical-align: top;
  border: 1px solid var(--border);
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.back-link::before {
  content: "← ";
}

@media (max-width: 600px) {
  .hero { padding: 32px 0 16px; }
  .hero h1 { font-size: 1.8rem; }
  .btn { min-width: 0; width: 100%; }
  .actions { flex-direction: column; }
  .logo-link img { height: 30px; }
  .brand-tag { display: none; }
  .main { padding: 24px 0; }
  .document { padding: 16px 0 48px; }
}