/* Shared styles for the sub-pages. The calculator at / is self-contained;
   these variables mirror design-system.md so both stay visually identical. */

:root {
  --bg: #F4F7F3;
  --surface: #FFFFFF;
  --surface-2: #EBF1EA;
  --border: #D3E0D6;
  --text: #12211B;
  --text-dim: #5F7268;
  --green: #1F7A52;
  --amber: #A2601C;
  --rust: #A4483A;
}

[data-theme="dark"] {
  --bg: #081311;
  --surface: #101F1A;
  --surface-2: #0C1815;
  --border: #1E322A;
  --text: #EEF5F0;
  --text-dim: #8FA69A;
  --green: #6FBF97;
  --amber: #E2A55C;
  --rust: #C97B6B;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 26px 22px 0;
}

.eyebrow {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  font-weight: 600;
  text-decoration: none;
}

.sitenav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 14px 0 0;
  font-size: 13.5px;
}
.sitenav a { color: var(--text-dim); text-decoration: none; font-weight: 500; }
.sitenav a:hover, .sitenav a:focus-visible { color: var(--green); text-decoration: underline; }
.sitenav a[aria-current="page"] { color: var(--green); font-weight: 600; }

h1 {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 30px 0 8px;
}

.updated {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  margin: 0 0 8px;
}

.prose { max-width: 720px; font-size: 15.5px; line-height: 1.7; }
.prose h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(20px, 3vw, 25px);
  font-weight: 600;
  line-height: 1.25;
  margin: 36px 0 10px;
}
.prose h3 { font-size: 16px; font-weight: 600; margin: 24px 0 6px; }
.prose p, .prose li { color: var(--text-dim); }
.prose p { margin: 0 0 14px; }
.prose strong { color: var(--text); font-weight: 600; }
.prose ul { margin: 0 0 14px; padding-left: 20px; }
.prose li { margin-bottom: 7px; }
.prose a { color: var(--green); }

.disclaimer {
  margin-top: 30px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: 8px;
  background: var(--surface-2);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* Contact form */
.form-field { margin-bottom: 16px; }
.form-field label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.form-field input, .form-field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 12px;
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 15px;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--green);
}
.form-field textarea { min-height: 130px; resize: vertical; }
.submit-btn {
  background: var(--green);
  border: none;
  border-radius: 8px;
  color: var(--bg);
  font-family: 'Inter', sans-serif;
  font-size: 14.5px;
  font-weight: 600;
  padding: 11px 22px;
  cursor: pointer;
}
.submit-btn:hover { filter: brightness(1.08); }

.hidden { display: none !important; }

.sitefooter {
  margin-top: 56px;
  padding: 24px 0 40px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}
.sitefooter nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.sitefooter a { color: var(--text-dim); text-decoration: none; }
.sitefooter a:hover, .sitefooter a:focus-visible { color: var(--green); text-decoration: underline; }