:root {
  --bg: #f5f5f7;
  --card: #ffffff;
  --text: #1d1d1f;
  --text-2: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  --radius: 22px;
  --op: #34c759;
  --uc: #ff9f0a;
  --an: #ffd60a;
  --pr: #0a84ff;
  --ex: #bf5af2;
  --none: #8e8e93;
  --none-rec: #d2d2d7;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.5;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  background: rgba(245, 245, 247, 0.72);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 17px;
  text-decoration: none;
  color: var(--text);
  letter-spacing: -0.01em;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0a84ff, #bf5af2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 7px 16px;
  border-radius: 980px;
  background: var(--text);
  color: #fff !important;
  font-weight: 500;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18); }

main { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.hero { text-align: center; padding: 72px 0 40px; }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.08;
  background: linear-gradient(180deg, var(--text), #434344);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  max-width: 640px;
  margin: 18px auto 30px;
  font-size: 18px;
  color: var(--text-2);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 18px;
  margin-bottom: 16px;
}

.legend .item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-2);
}

.legend .swatch {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.hero-meta {
  font-size: 13px;
  color: var(--text-2);
}

.stats {
  display: flex;
  justify-content: center;
  gap: 36px;
  margin: 6px 0 14px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-num {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 12px;
  color: var(--text-2);
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin: 24px 0 64px;
}

.map-wrap {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(180deg, #fbfbfd, #f1f1f4);
}

#mapSvg {
  display: block;
  width: 100%;
  height: auto;
}

#mapSvg .country {
  stroke: #ffffff;
  stroke-width: 0.8;
  transition: fill 0.15s ease, opacity 0.15s ease;
  cursor: pointer;
}

#mapSvg .country:hover {
  fill-opacity: 0.72;
}

.tooltip {
  position: absolute;
  pointer-events: none;
  background: rgba(29, 29, 31, 0.92);
  color: #fff;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  max-width: 260px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10;
}

.tooltip h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.tooltip p { color: rgba(255, 255, 255, 0.8); }

.table-section h2,
.method h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.table-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 64px;
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }

thead th {
  text-align: left;
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-2);
  background: #fafafa;
  border-bottom: 1px solid var(--line);
}

tbody td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

tbody tr { transition: background 0.15s ease; }
tbody tr:hover { background: #fafafa; }

tbody tr.highlight { animation: flash 2s ease; }

@keyframes flash {
  0% { background: rgba(10, 132, 255, 0.14); }
  100% { background: transparent; }
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 980px;
  font-size: 12px;
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
}

.tag-unverified { background: var(--none); }

.method {
  max-width: 640px;
  margin: 0 auto 80px;
}

.method p { color: var(--text-2); font-size: 15px; }

.method a { color: var(--pr); text-decoration: none; }
.method a:hover { text-decoration: underline; }

.contribute { max-width: 720px; margin: 0 auto 80px; }

.contribute-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px;
  text-align: center;
}

.contribute-card h2 { font-size: 26px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 12px; }
.contribute-card p { color: var(--text-2); font-size: 15px; margin-bottom: 24px; }

.contribute-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 980px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text);
  background: #f0f0f2;
  border: 1px solid var(--line);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12); }

.btn-primary {
  background: var(--text);
  color: #fff !important;
  border-color: transparent;
}

.newsletter-form {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.newsletter-form input[type="email"] {
  padding: 10px 16px;
  border-radius: 980px;
  border: 1px solid var(--line);
  font-size: 14px;
  font-family: inherit;
  background: var(--card);
  min-width: 260px;
  color: var(--text);
}

.newsletter-form input[type="email"]:focus {
  outline: none;
  border-color: var(--pr);
}

.newsletter-form button { border: none; cursor: pointer; }

.newsletter-note { color: var(--text-2); font-size: 13px; margin-top: 14px; }

.newsletter-archive {
  max-width: 640px;
  margin: 0 auto 80px;
  padding: 32px 36px;
}

.newsletter-archive h2 { font-size: 22px; font-weight: 700; margin-bottom: 16px; }

.archive-list { list-style: none; }

.archive-list li { padding: 10px 0; border-bottom: 1px solid var(--line); }

.archive-list a { color: var(--text); text-decoration: none; font-weight: 500; }
.archive-list a:hover { color: var(--pr); }

.issue {
  max-width: 640px;
  margin: 0 auto 80px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 48px;
}

.issue h1 { font-size: 32px; font-weight: 700; letter-spacing: -0.01em; margin: 4px 0 20px; }
.issue h2 { font-size: 20px; font-weight: 700; margin: 28px 0 10px; }
.issue p { color: var(--text-2); font-size: 15px; margin-bottom: 14px; }
.issue ul { color: var(--text-2); font-size: 15px; margin: 0 0 14px 20px; }
.issue li { margin-bottom: 6px; }
.issue a { color: var(--pr); text-decoration: none; }
.issue .newsletter-form { justify-content: flex-start; margin-top: 24px; }

@media (max-width: 720px) {
  .issue { padding: 28px 20px; }
  .newsletter-archive { padding: 24px 20px; }
}

.footer {
  text-align: center;
  padding: 40px 24px 56px;
  color: var(--text-2);
  font-size: 13px;
  border-top: 1px solid var(--line);
}

.footer a { color: var(--text-2); text-decoration: none; }
.footer a:hover { color: var(--text); }

@media (max-width: 720px) {
  .nav-links a { display: none; }
  .nav-links .nav-cta { display: inline-block; }
  .hero { padding: 48px 0 28px; }
  .stats { gap: 20px; }
  .contribute-card { padding: 24px 18px; }
  thead th:nth-child(6), tbody td:nth-child(6) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}