:root {
  --bg: #0b1120;
  --card: #111827;
  --card-alt: #1e293b;
  --border: #334155;
  --text: #f8fafc;
  --muted: #cbd5e1;
  --accent: #10b981;
  --accent-dark: #059669;
  --amber: #f59e0b;
  --danger: #ef4444;
  --blue: #38bdf8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
}
.site-header {
  background: linear-gradient(180deg, #0f172a 0%, #0b1120 100%);
  border-bottom: 1px solid var(--border);
  padding: 28px 0 22px;
}
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.pill {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--card-alt);
}
.pill-green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}
.pill-amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}
.pill-blue {
  background: rgba(56, 189, 248, 0.15);
  color: #7dd3fc;
  border-color: rgba(56, 189, 248, 0.4);
}
.pill-danger {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.45);
}
h1 {
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.2;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.subtitle {
  color: var(--muted);
  font-size: 16px;
  max-width: 860px;
  margin: 0 0 20px;
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 22px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, opacity 0.12s ease;
}
.btn:hover { opacity: 0.94; }
.btn-primary {
  background: var(--accent);
  color: #042f2e;
}
.btn-secondary {
  background: var(--card-alt);
  color: var(--text);
  border: 1px solid var(--border);
}
.mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.mode-tab {
  padding: 13px 16px;
  border-radius: 10px;
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  text-align: left;
}
.mode-tab.is-active {
  background: rgba(16, 185, 129, 0.16);
  color: #fff;
  border-color: var(--accent);
}
.section-wrap {
  padding: 28px 0 40px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2, .card h3 {
  margin-top: 0;
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.check-list li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}
.check-list li:last-child { border-bottom: none; }
.tier-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tier-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.price-big {
  font-size: 28px;
  font-weight: 800;
  color: #34d399;
  margin: 6px 0;
}
.field-group {
  margin-bottom: 14px;
}
.field-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
input, select, textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: #0f172a;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
}
.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.preset-chip {
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--card-alt);
  color: var(--text);
  border: 1px solid var(--border);
  font-size: 13px;
  cursor: pointer;
}
.preset-chip:hover {
  border-color: var(--accent);
}
.kpi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 14px 0;
}
.kpi-box {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}
.kpi-val {
  display: block;
  font-size: 24px;
  font-weight: 800;
  margin-top: 4px;
}
.rewrite-box {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: 10px;
  padding: 14px;
  margin-top: 14px;
  white-space: pre-wrap;
  font-size: 14px;
}
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
@media (max-width: 780px) {
  .mode-tabs, .grid-2, .grid-3, .kpi-row {
    grid-template-columns: 1fr;
  }
}