:root {
  --bg: #f5f6f3;
  --surface: #ffffff;
  --surface-2: #fafaf8;
  --ink: #1a1d16;
  --ink-2: #4a4f46;
  --ink-3: #6b7264;
  --accent: #1f6f4a;
  --accent-2: #e4efe8;
  --warn: #b35900;
  --border: #d9ddd4;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 30, 20, 0.04), 0 8px 24px rgba(20, 30, 20, 0.05);
  --maxw: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1000px 400px at 10% -10%, #e6efe8 0%, transparent 60%),
    var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  z-index: 100;
}
.skip-link:focus { left: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 246, 243, 0.9);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--accent); display: inline-flex; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: 0.2px; }

.site-nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-2);
  font-size: 14px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--ink); border-bottom-color: var(--accent); text-decoration: none; }

.intro { padding: 48px 0 12px; max-width: 760px; }
.eyebrow {
  display: inline-block;
  background: var(--accent-2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.intro h1 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.15; margin: 0 0 12px; }
.lead { color: var(--ink-2); font-size: 17px; margin: 0 0 8px; }
.meta-line { color: var(--ink-3); font-size: 13px; margin: 0; }

.builder { padding: 28px 0 48px; }
.builder h2 { font-size: 22px; margin: 0 0 16px; }

.builder-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 900px) {
  .builder-grid { grid-template-columns: 1fr; }
}

.form-panel, .letter-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0 0 20px;
}
legend {
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--ink-2);
  margin-bottom: 10px;
  padding: 0;
}
label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin: 10px 0 4px;
}
.hint { font-size: 13px; color: var(--ink-3); margin: 0 0 8px; }

input[type="text"],
input[type="date"],
input[type="time"],
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--surface-2);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 74, 0.15);
}
textarea { resize: vertical; }

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
  margin: 4px 0 12px;
}
.preset-btn {
  text-align: left;
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.preset-btn:hover { border-color: var(--accent); color: var(--ink); }
.preset-btn.active {
  border-color: var(--accent);
  background: var(--accent-2);
  color: var(--accent);
  font-weight: 600;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}
button { font-family: inherit; font-size: 14px; cursor: pointer; }
.btn-primary, .btn-secondary, .btn-tertiary {
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.05s, background 0.15s, border-color 0.15s, color 0.15s;
}
.btn-primary:active, .btn-secondary:active, .btn-tertiary:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #1a5d3d; border-color: #1a5d3d; }
.btn-secondary {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--ink-3); background: var(--surface-2); }
.btn-tertiary {
  background: transparent;
  color: var(--ink-2);
  border-color: transparent;
}
.btn-tertiary:hover { color: var(--ink); background: var(--surface-2); }

.letter-panel { position: sticky; top: 80px; max-height: calc(100vh - 100px); display: flex; flex-direction: column; }
.letter-scroll { overflow: auto; padding-right: 4px; }
.letter-meta { font-size: 12px; color: var(--ink-3); margin: 0 0 12px; }
.letter-output {
  white-space: pre-wrap;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--ink);
  min-height: 420px;
}

@media print {
  body { background: #fff; }
  .site-header, .site-footer, .form-panel, .actions, .intro, .evidence, .guide, .faq, .skip-link { display: none !important; }
  .builder { padding: 0; }
  .builder-grid { grid-template-columns: 1fr; }
  .letter-panel { box-shadow: none; border: 0; position: static; max-height: none; }
  .letter-output { border: 0; padding: 0; }
}

.evidence, .guide, .faq {
  margin: 32px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.section-lead { color: var(--ink-2); margin: 0 0 12px; }

.checklist { margin: 0; padding-left: 20px; }
.checklist li { margin-bottom: 8px; color: var(--ink-2); }

.steps { margin: 0; padding-left: 20px; }
.steps li { margin-bottom: 10px; color: var(--ink-2); }

.faq dl { margin: 0; }
.faq dt { font-weight: 700; margin-top: 14px; color: var(--ink); }
.faq dd { margin: 4px 0 0; color: var(--ink-2); }

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 24px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
  .site-nav { gap: 10px; }
  .site-nav a { font-size: 13px; }
}
.footer-title { font-weight: 700; margin: 0 0 6px; }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 700px) {
  .footer-links { justify-content: flex-start; }
}

[hidden] { display: none; }



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}