:root {
  --primary: #0f766e;
  --primary-light: #14b8a6;
  --primary-dark: #0d5f59;
  --accent: #f59e0b;
  --surface: #f8fafc;
  --card: #ffffff;
  --muted: #64748b;
  --border: #e2e8f0;
  --text: #0f172a;
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--surface);
  color: var(--text);
  font-family: "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(1152px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.brand span {
  color: var(--accent);
}

.nav-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 26px;
  font-size: 0.92rem;
}

.desktop-nav {
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: #334155;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.private-link {
  color: var(--primary) !important;
  font-weight: 600;
}

.dropdown {
  position: relative;
}

.dropdown-btn {
  border: 0;
  background: transparent;
  padding: 0;
  color: #334155;
  font-size: 0.92rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.dropdown-btn:hover {
  color: var(--primary);
}

.caret {
  font-size: 0.74rem;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  margin: 0;
  padding: 8px;
  width: 270px;
  list-style: none;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.12);
  display: none;
  z-index: 20;
}

.dropdown-menu.open {
  display: block;
}

.dropdown-menu a {
  display: block;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.87rem;
}

.dropdown-menu a:hover {
  background: color-mix(in srgb, var(--primary) 8%, white);
  color: var(--primary);
}

.mobile-toggle {
  display: none;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 600;
  color: #334155;
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: #fff;
}

.mobile-menu.open {
  display: block;
}

.mobile-menu ul {
  margin: 0;
  list-style: none;
  padding: 10px 4vw 14px;
}

.mobile-menu li + li {
  margin-top: 4px;
}

.mobile-menu a {
  display: block;
  text-decoration: none;
  color: #334155;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.92rem;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: color-mix(in srgb, var(--primary) 8%, white);
  color: var(--primary);
}

.mobile-title {
  margin-top: 8px;
  padding: 6px 10px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}

.hero {
  padding: 72px 0 18px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--primary) 25%, white);
  background: color-mix(in srgb, var(--primary) 6%, white);
  color: var(--primary);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 5px 12px;
  margin: 0 0 14px;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1.15;
}

.lead {
  margin: 18px auto 0;
  max-width: 760px;
  color: var(--muted);
}

.lead a {
  color: var(--primary);
}

.cta-row {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 600;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  border-color: var(--border);
  color: #334155;
  background: #fff;
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

code {
  background: #f1f5f9;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px 6px;
}

.grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card);
  padding: 24px;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.card ol,
.card ul {
  margin: 0;
  padding-left: 20px;
  color: #334155;
}

.notice-panel {
  margin: 38px 0 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  text-align: center;
  padding: 40px 26px;
}

.notice-panel h2 {
  margin: 0;
}

.notice-panel p {
  margin: 12px 0 22px;
  color: rgba(255, 255, 255, 0.88);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
}

.footer-grid {
  padding: 36px 0 20px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand {
  margin: 0;
  color: var(--primary);
  font-weight: 700;
}

.footer-brand span {
  color: var(--accent);
}

.muted {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-title {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.footer-links {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 7px;
}

.footer-links a {
  text-decoration: none;
  font-size: 0.84rem;
  color: #475569;
}

.footer-links a:hover {
  color: var(--primary);
}

.copyright {
  border-top: 1px solid var(--border);
  padding: 14px 0 24px;
}

.copyright p {
  margin: 0;
  color: var(--muted);
  font-size: 0.79rem;
}

@media (max-width: 880px) {
  .nav {
    min-height: 66px;
    justify-content: space-between;
    padding: 10px 0;
  }

  .desktop-nav {
    display: none;
  }

  .mobile-toggle {
    display: inline-flex;
    align-items: center;
  }

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

  .footer-grid {
    flex-direction: column;
  }
}