:root {
  --bg: #0f1419;
  --surface: #1a222c;
  --surface2: #243040;
  --text: #e8eef4;
  --muted: #9aabbc;
  --accent: #3d9cf0;
  --accent-soft: rgba(61, 156, 240, 0.14);
  --border: #2e3b4a;
  --ok: #3ecf8e;
  --ok-soft: rgba(62, 207, 142, 0.14);
  --warn: #f0b35a;
  --warn-soft: rgba(240, 179, 90, 0.14);
  --bad: #f07178;
  --bad-soft: rgba(240, 113, 120, 0.14);
  --na: #7a8a9a;
  --radius: 12px;
  --max: 720px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 17px;
}
a { color: var(--accent); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
header {
  padding: 24px 0 12px;
  border-bottom: 1px solid var(--border);
}
.brand {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
.brand span { color: var(--text); font-weight: 700; letter-spacing: 0.04em; }
.hero { padding: 36px 0 24px; }
h1 {
  font-size: clamp(1.55rem, 4.2vw, 2.05rem);
  line-height: 1.2;
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 18px;
  max-width: 40em;
}
.lead strong { color: var(--text); }
.free-chip {
  display: inline-block;
  background: var(--ok-soft);
  color: var(--ok);
  border: 1px solid rgba(62, 207, 142, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  font-weight: 600;
}
.privacy {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 0.92rem;
  color: var(--muted);
}
.privacy strong { color: var(--text); }
section { padding: 28px 0; border-top: 1px solid var(--border); }
h2 {
  font-size: 1.2rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
h3 { font-size: 1rem; margin: 0 0 8px; }
.section-lead {
  color: var(--muted);
  margin: 0 0 18px;
  font-size: 0.98rem;
}

/* Checklist items */
.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  counter-reset: check;
}
.check-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  counter-increment: check;
}
.check-title {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 0 0 6px;
  font-weight: 600;
  font-size: 1rem;
}
.check-title::before {
  content: counter(check) ".";
  color: var(--muted);
  font-weight: 600;
  min-width: 1.6em;
}
.check-hint {
  margin: 0 0 12px;
  padding-left: 1.6em;
  color: var(--muted);
  font-size: 0.9rem;
}
.states {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 1.6em;
}
.state-opt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--muted);
  min-height: 40px;
  user-select: none;
}
.state-opt:hover { border-color: var(--muted); color: var(--text); }
.state-opt input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  pointer-events: none;
}
.state-opt:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.state-opt[data-state="pass"].selected {
  background: var(--ok-soft);
  border-color: var(--ok);
  color: var(--ok);
}
.state-opt[data-state="fail"].selected {
  background: var(--bad-soft);
  border-color: var(--bad);
  color: var(--bad);
}
.state-opt[data-state="unsure"].selected {
  background: var(--warn-soft);
  border-color: var(--warn);
  color: var(--warn);
}
.state-opt[data-state="na"].selected {
  background: rgba(122, 138, 154, 0.18);
  border-color: var(--na);
  color: var(--text);
}

/* Actions */
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  min-height: 44px;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.btn-primary { background: var(--accent); color: #061018; border: none; }
.btn-primary:hover:not(:disabled) { filter: brightness(1.06); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) { border-color: var(--muted); }
.copy-status {
  min-height: 1.3em;
  font-size: 0.9rem;
  color: var(--ok);
  margin: 0 0 14px;
}

.results { margin-top: 8px; }
.result-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
}
.result-block ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
}
.result-block ul li { margin-bottom: 4px; }
.empty-note { margin: 0; color: var(--muted); font-size: 0.92rem; }
.recommendation {
  margin: 0;
  color: var(--text);
  font-size: 0.98rem;
}
.report {
  margin: 0;
  padding: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow: auto;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* Services */
.grid.services {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--accent); }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
.card.service.highlight {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
  background: linear-gradient(180deg, var(--accent-soft), var(--surface));
}
.tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 6px;
}
.hint {
  margin: 14px 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

footer {
  padding: 28px 0 40px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;
}
footer p { margin: 0 0 6px; }
.foot-note { font-size: 0.82rem; }

/* Mobile-first tweaks */
@media (max-width: 480px) {
  body { font-size: 16px; }
  .wrap { padding: 0 14px; }
  .states { padding-left: 0; }
  .check-hint { padding-left: 0; }
  .state-opt {
    flex: 1 1 calc(50% - 8px);
    justify-content: center;
    padding: 10px 8px;
  }
  .action-row .btn { flex: 1 1 100%; text-align: center; }
  h1 { font-size: 1.45rem; }
}

@media (min-width: 560px) {
  .grid.services { grid-template-columns: 1fr; }
}

@media (min-width: 640px) {
  .grid.services { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card { transition: none; }
}