:root {
  --bg: #f0ede8;
  --surface: #faf8f5;
  --surface2: #f0ede8;
  --border: #e2ddd6;
  --text: #1a1816;
  --text2: #6b6560;
  --text3: #9b9590;
  --accent: #2a9d8f;
  --warn: #f4a261;
  --danger: #e63946;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  line-height: 1.6;
}

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

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

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand { display: flex; align-items: center; gap: 9px; cursor: pointer; }
.brand-name { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; line-height: 1; color: var(--text); }
.brand-name .tld { color: var(--text3); font-weight: 600; }

.nav-links { display: flex; gap: 24px; font-size: 13px; color: var(--text2); }
.nav-links a:hover { color: var(--text); }

.topbar-right { display: flex; align-items: center; gap: 8px; }
.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 11px;
  font-weight: 600;
}
.lang-toggle button {
  background: var(--surface);
  border: none;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text2);
  font-family: "DM Sans", sans-serif;
}
.lang-toggle button.active {
  background: var(--text);
  color: #fff;
}

.top-btn {
  background: #1a1a1a;
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-family: "DM Sans", sans-serif;
  font-weight: 600;
  transition: all 0.2s;
  display: inline-block;
}
.top-btn:hover { background: #333; }
.top-btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-family: "DM Sans", sans-serif;
  font-weight: 600;
  display: inline-block;
}
.top-btn-outline:hover { background: var(--surface2); }

[hidden] { display: none !important; }

.hero { padding: 84px 0 0; }
.eyebrow {
  display: inline-block;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--accent);
  background: #e1f2ef;
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 24px;
}
h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.02em;
  max-width: 620px;
}
.hero-sub {
  font-size: 15px;
  color: var(--text2);
  max-width: 480px;
  margin-top: 18px;
}
.hero-cta { display: flex; gap: 10px; margin-top: 30px; flex-wrap: wrap; }
.btn-lg { padding: 12px 22px; font-size: 13px; border-radius: 8px; }

.chain-card {
  margin-top: 60px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 36px;
}
.chain-card-label {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.chain-row { display: flex; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.chain-node { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 120px; }
.chain-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.4s ease;
}
.chain-node.active .chain-dot { background: var(--node-color, var(--accent)); }
.chain-label { font-size: 12px; font-weight: 600; color: var(--text3); text-align: center; transition: color 0.4s ease; }
.chain-node.active .chain-label { color: var(--text); }
.chain-key { font-family: "DM Mono", monospace; font-size: 9px; color: var(--text3); }
.chain-arrow { color: var(--border); font-size: 14px; margin-top: 4px; }

.section { padding: 72px 0; }
.section-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 14px;
  color: var(--text2);
  max-width: 520px;
  margin-bottom: 36px;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.value-card h3 { font-size: 15px; margin-bottom: 8px; }
.value-card p { font-size: 13px; color: var(--text2); }

.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.step-num {
  font-family: "DM Mono", monospace;
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 12px;
}
.step-card h3 { font-size: 15px; margin-bottom: 8px; }
.step-card p { font-size: 13px; color: var(--text2); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.flow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
}
.flow-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.plan-name { font-size: 13px; font-weight: 600; color: var(--text2); }
.plan-price {
  font-size: 28px;
  font-weight: 700;
  margin: 12px 0 4px;
  letter-spacing: -0.02em;
}
.plan-price-note { font-size: 12px; color: var(--text3); margin-bottom: 20px; min-height: 18px; }
.plan-features { list-style: none; flex: 1; margin-bottom: 20px; }
.plan-features li {
  font-size: 13px;
  color: var(--text2);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.plan-features li:last-child { border-bottom: none; }
.plan-cta { width: 100%; text-align: center; margin-top: auto; }

.form-page {
  min-height: calc(100vh - 57px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px;
  width: 100%;
  max-width: 400px;
}
.form-card h1 { font-size: 24px; max-width: none; margin-bottom: 8px; }
.form-sub { font-size: 13px; color: var(--text2); margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text2);
}
.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: "DM Sans", sans-serif;
  background: var(--bg);
}
.form-error {
  font-size: 12px;
  color: var(--danger);
  margin-top: 12px;
  display: none;
}
.form-success {
  font-size: 12px;
  color: var(--accent);
  margin-top: 12px;
  display: none;
}
.form-footer {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text2);
  text-align: center;
}
.form-footer a { color: var(--accent); font-weight: 600; }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 24, 22, 0.4);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px;
  max-width: 400px;
  width: 100%;
}
.modal h2 { font-size: 20px; margin-bottom: 8px; }
.modal p { font-size: 13px; color: var(--text2); margin-bottom: 20px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

@media (max-width: 820px) {
  h1 { font-size: 32px; }
  .nav-links { display: none; }
  .chain-arrow { display: none; }
  .value-grid, .steps-row, .pricing-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .chain-dot, .chain-label { transition: none; }
}

/* Admin page */
.admin-page { padding: 32px 0 64px; }
.admin-header { margin-bottom: 24px; }
.admin-header h1 { font-size: 28px; margin-bottom: 6px; }
.admin-header p { color: var(--text2); font-size: 14px; }
.admin-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.admin-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text2);
  font-family: "DM Sans", sans-serif;
}
.admin-tab.active {
  background: var(--text);
  color: #fff;
  border-color: var(--text);
}
.admin-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}
.admin-panel[hidden] { display: none; }
.admin-table-wrap { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.admin-table th,
.admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.admin-table th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text3);
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.admin-badge.on { background: #d8f3ef; color: #1d6f64; }
.admin-badge.off { background: #f5e6e8; color: #9b2335; }
.admin-badge.admin { background: #e8ecff; color: #3b5bfd; }
.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.admin-stat {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.admin-stat .label {
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.admin-stat .value {
  font-size: 24px;
  font-weight: 700;
  margin-top: 4px;
  font-family: "DM Mono", monospace;
}
.admin-blocked {
  text-align: center;
  padding: 64px 24px;
}
.admin-blocked h2 { font-size: 22px; margin-bottom: 8px; }
.admin-blocked p { color: var(--text2); margin-bottom: 20px; }
.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.admin-msg {
  font-size: 12px;
  color: var(--text2);
}
.admin-msg.error { color: var(--danger); }
.admin-msg.ok { color: var(--accent); }
.admin-toggle-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11px;
  cursor: pointer;
  font-family: "DM Sans", sans-serif;
}
.admin-toggle-btn:hover { background: var(--border); }