:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #121826;
  --muted: #5b657a;
  --line: #e5e9f2;
  --accent: #2f7f7a;
  --accent-strong: #256a66;
  --shadow: 0 18px 40px rgba(18, 24, 38, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f3f6fb 0%, #ffffff 40%, #f7f9fb 100%);
  line-height: 1.6;
}

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

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  padding: 24px 0;
  position: sticky;
  top: 0;
  background: rgba(247, 248, 251, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 233, 242, 0.7);
  z-index: 10;
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.2px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--text);
}

.nav-pill {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 6px 16px rgba(18, 24, 38, 0.08);
  color: var(--text);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  color: var(--muted);
}

.lang-switch a {
  color: var(--muted);
  font-weight: 600;
}

.lang-switch .active {
  color: var(--text);
}

.hero {
  padding: 80px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.7rem;
  color: var(--accent);
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2.5rem, 4vw, 3.6rem);
  margin: 0 0 12px;
}

h2 {
  font-size: clamp(1.7rem, 2.5vw, 2.2rem);
  margin: 0 0 12px;
}

h3 {
  margin: 0 0 8px;
}

.lead {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.body {
  margin: 0 0 20px;
  color: var(--muted);
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(47, 127, 122, 0.25);
}

.btn.secondary {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
}

.btn.tertiary {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(18, 24, 38, 0.12);
}

.note {
  font-size: 0.9rem;
  color: var(--muted);
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-card-inner {
  padding: 28px;
}

.card-title {
  font-weight: 600;
  margin: 0 0 12px;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--muted);
}

.checklist li {
  padding-left: 24px;
  position: relative;
  margin-bottom: 10px;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.section {
  padding: 60px 0;
}

.section.muted {
  background: #f3f6fb;
}

.section-head {
  margin-bottom: 28px;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 10px 24px rgba(18, 24, 38, 0.06);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tag {
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(47, 127, 122, 0.12);
  color: var(--accent-strong);
}

.card-link {
  font-weight: 600;
  color: var(--accent-strong);
}

.card-link.disabled {
  color: var(--muted);
  pointer-events: none;
}

.muted-link {
  color: var(--muted);
  font-weight: 600;
}

.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.list-grid p {
  color: var(--muted);
  margin: 0;
}

.mini-about {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: var(--surface);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 32px 0 40px;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.page-hero {
  padding: 72px 0 32px;
}

.page-hero p {
  color: var(--muted);
}

.content {
  padding-bottom: 60px;
}

.content section {
  margin-bottom: 28px;
}

.content h2 {
  font-size: 1.4rem;
}

.callout {
  padding: 20px 24px;
  border-radius: 14px;
  background: rgba(47, 127, 122, 0.08);
  border: 1px solid rgba(47, 127, 122, 0.2);
}

@media (max-width: 720px) {
  .nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 64px;
  }

  .mini-about {
    padding: 24px;
  }
}