/* ==========================================================================
   MedExpertRx — Design System
   ========================================================================== */

:root {
  --ink: #16241F;
  --ink-soft: #55635C;
  --paper: #F7F6F2;
  --paper-raised: #FFFFFF;
  --primary: #1F4D42;
  --primary-light: #2E6B5A;
  --primary-dark: #142F28;
  --amber: #B8863B;
  --amber-deep: #8F6526;
  --amber-bg: #FBF3E3;
  --line: #DEDAD0;
  --line-strong: #C7C1B2;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  line-height: 1.65;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo:hover { text-decoration: none; color: var(--primary); }
.logo span { color: var(--amber-deep); }
.main-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-left: 26px;
}
.main-nav a:hover { color: var(--primary); text-decoration: none; }

/* Hero */
.hero { padding: 72px 0 64px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 56px; align-items: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--amber-deep); background: var(--amber-bg); padding: 6px 12px; border-radius: 2px; margin-bottom: 22px;
}
.eyebrow::before { content: "\25CF"; font-size: 0.55rem; }
.hero h1 {
  font-family: var(--font-display); font-size: clamp(2.1rem, 4vw, 3rem); font-weight: 600;
  line-height: 1.15; color: var(--ink); margin: 0 0 20px; letter-spacing: -0.01em;
}
.hero p.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: 30px; }
.btn-primary {
  display: inline-block; background: var(--primary); color: #fff; font-weight: 600;
  padding: 13px 26px; border-radius: 3px; font-size: 0.95rem; transition: background 0.15s ease;
}
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }

/* Label plate — signature element */
.label-plate {
  background: var(--paper-raised); border: 1px solid var(--line-strong);
  border-top: 3px dashed var(--amber); border-radius: 2px; padding: 26px 24px;
}
.label-plate-title {
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--amber-deep); margin: 0 0 16px;
}
.label-row {
  display: flex; justify-content: space-between; gap: 12px; padding: 11px 0;
  border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.84rem;
}
.label-row:first-of-type { border-top: none; padding-top: 0; }
.label-row dt { color: var(--ink-soft); margin: 0; }
.label-row dd { color: var(--ink); font-weight: 600; margin: 0; text-align: right; }

/* Guide list / cards */
.section { padding: 56px 0; }
.section-heading { font-family: var(--font-display); font-size: 1.6rem; font-weight: 600; color: var(--ink); margin: 0 0 8px; }
.section-subheading { color: var(--ink-soft); margin-bottom: 32px; }
.guide-list { display: grid; gap: 16px; list-style: none; margin: 0; padding: 0; }
.guide-card {
  display: block; background: var(--paper-raised); border: 1px solid var(--line);
  border-left: 3px solid var(--amber); border-radius: 2px; padding: 20px 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.guide-card:hover { border-left-color: var(--primary); transform: translateX(2px); text-decoration: none; }
.guide-eyebrow { font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 6px; }
.guide-title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
.guide-meta { font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-soft); }
.guide-placeholder { border-left-color: var(--line-strong); color: var(--ink-soft); font-style: italic; }

/* Article page */
.article-header { padding: 48px 0 0; }
.article-title {
  font-family: var(--font-display); font-size: clamp(1.7rem, 3.5vw, 2.3rem); font-weight: 600;
  color: var(--ink); line-height: 1.2; margin: 0 0 20px;
}
.meta-strip {
  display: flex; flex-wrap: wrap; border: 1px solid var(--line-strong); border-radius: 2px;
  overflow: hidden; background: var(--paper-raised); margin-bottom: 8px;
}
.meta-strip > div { flex: 1 1 33%; min-width: 160px; padding: 14px 18px; border-left: 1px solid var(--line); }
.meta-strip > div:first-child { border-left: none; }
.meta-label { display: block; font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin-bottom: 4px; }
.meta-value { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink); font-weight: 600; }

.article-body { padding: 32px 0 64px; }
.article-content { max-width: 720px; }
.article-content h2 { font-family: var(--font-display); color: var(--ink); font-size: 1.4rem; font-weight: 600; margin: 36px 0 14px; }
.article-content p { margin: 0 0 16px; color: var(--ink); }
.article-content ul { margin: 0 0 18px 22px; }
.article-content li { margin-bottom: 6px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 0.94rem; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.article-content th { background: var(--paper); font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }

/* Disclaimer + author boxes */
.disclaimer-box {
  background: var(--amber-bg); border-left: 3px solid var(--amber); padding: 16px 20px;
  margin: 24px 0; font-size: 0.92rem; border-radius: 2px; color: var(--ink);
}
.disclaimer-box strong { color: var(--amber-deep); }

.author-bio-box {
  display: flex; gap: 18px; align-items: center; background: var(--paper-raised);
  border: 1px solid var(--line-strong); border-radius: 2px; padding: 20px; margin: 36px 0;
}
.author-photo { width: 68px; height: 68px; border-radius: 50%; object-fit: cover; background: var(--line); flex-shrink: 0; }
.author-bio-label { font-family: var(--font-mono); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); margin: 0 0 4px; }
.author-bio-name { font-family: var(--font-display); font-weight: 600; color: var(--ink); font-size: 1.05rem; margin: 0; }
.author-bio-credentials { font-family: var(--font-mono); font-size: 0.8rem; color: var(--ink-soft); margin: 2px 0 6px; }
.author-bio-link { font-family: var(--font-mono); font-size: 0.78rem; }

/* Generic content pages */
.page-header { padding: 48px 0 8px; }
.page-title { font-family: var(--font-display); font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 600; color: var(--ink); margin: 0; }
.page-subtitle { font-family: var(--font-mono); font-size: 0.82rem; color: var(--ink-soft); margin-top: 10px; }
.page-body { padding: 24px 0 64px; max-width: 720px; }
.page-body h2 { font-family: var(--font-display); color: var(--ink); font-size: 1.3rem; margin: 32px 0 12px; }
.page-body p { margin: 0 0 16px; }
.page-body ul { margin: 0 0 18px 22px; }

/* Forms */
.contact-form { max-width: 480px; }
.contact-form label { display: block; font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-soft); margin-bottom: 6px; }
.contact-form .field { margin-bottom: 18px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: 2px;
  font-size: 1rem; font-family: var(--font-body); background: var(--paper-raised); color: var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); outline: none; }
.contact-form button {
  background: var(--primary); color: #fff; border: none; padding: 12px 26px; border-radius: 3px;
  cursor: pointer; font-size: 0.95rem; font-weight: 600;
}
.contact-form button:hover { background: var(--primary-dark); }
.form-notice { padding: 12px 16px; background: var(--amber-bg); border-left: 3px solid var(--amber); border-radius: 2px; margin-bottom: 20px; font-size: 0.92rem; }

/* Footer */
.site-footer { background: var(--primary-dark); color: #DCE6E2; padding: 44px 0 32px; margin-top: 40px; }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 28px; }
.footer-brand { font-family: var(--font-display); font-size: 1.2rem; color: #fff; }
.footer-links a { color: #DCE6E2; font-family: var(--font-mono); font-size: 0.75rem; margin-right: 18px; text-transform: uppercase; letter-spacing: 0.05em; }
.footer-links a:hover { color: var(--amber); }
.footer-disclaimer { border-top: 1px solid rgba(255,255,255,0.12); padding-top: 20px; font-size: 0.82rem; line-height: 1.6; color: rgba(220,230,226,0.75); max-width: 760px; }
.footer-copyright { font-family: var(--font-mono); font-size: 0.72rem; color: rgba(220,230,226,0.55); margin-top: 16px; }

/* Responsive */
@media (max-width: 760px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .main-nav a { margin-left: 16px; }
  .meta-strip > div { flex: 1 1 100%; border-left: none; border-top: 1px solid var(--line); }
  .meta-strip > div:first-child { border-top: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}