/* Gut Guide - shared styles for the resource pages.
   Extracted 2026-09-27 from the seven near-identical inline <style>
   blocks. Page-specific rules stay inline in each page, after the
   <link> to this file, so they still win on equal specificity. */
:root {
      --color-bg:           #ffffff;
      --color-surface:      #fdf5f6;
      --color-border:       #e0c0c7;
      --color-text:         #2d1820;
      --color-text-muted:   #6a4a52;
      --color-accent:       #c2687a;
      --color-accent-light: #fceef1;
      --color-accent-dark:  #a85566;
      --color-tag-bg:       #f2d4da;
      --color-tag-text:     #5a2a38;

      --font-display: 'DM Serif Display', Georgia, serif;
      --font-body:    'DM Sans', sans-serif;
      --font-mono:    'DM Mono', 'Courier New', monospace;

      --content-width: 860px;
      --card-radius:   14px;
      --nav-height:    64px;

      --transition-fast: 150ms ease;
      --transition-med:  270ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    body {
      background-color: var(--color-bg);
      color: var(--color-text);
      font-family: var(--font-body);
      font-size: 16px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    /* NAV */
    .site-nav {
      position: sticky; top: 0; z-index: 200;
      height: var(--nav-height);
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      display: flex; align-items: center; justify-content: space-between;
      padding: 0 2rem;
      box-shadow: 0 1px 12px rgba(0,0,0,0.05);
    }
    .nav-logo {
      font-family: var(--font-display);
      font-size: 1.15rem; color: var(--color-text);
      text-decoration: none; letter-spacing: -0.01em; flex-shrink: 0;
      display: flex; align-items: center; gap: 0.5rem;
    }
    .nav-logo img { width: 32px; height: 32px; object-fit: contain; }
    .nav-logo span { color: var(--color-accent); }
    .ibdp-link { color: #05849b !important; }
    .ibdp-link:hover { color: #046d80 !important; }
    .ibdp-icon { height: 1.1em; width: auto; vertical-align: -0.15em; margin-right: 0.35em; }
    .nav-links { display: flex; align-items: center; gap: 0.25rem; list-style: none; }
    .nav-links a {
      display: block; padding: 0.4rem 0.75rem;
      font-size: 0.875rem; font-weight: 500;
      color: var(--color-text-muted); text-decoration: none; border-radius: 6px;
      transition: color var(--transition-fast), background var(--transition-fast);
    }
    .nav-links a:hover  { color: var(--color-accent); background: var(--color-accent-light); }
    .nav-links a.active { color: var(--color-accent); background: var(--color-accent-light); font-weight: 500; }
    .hamburger {
      display: none; flex-direction: column; justify-content: center; gap: 5px;
      width: 36px; height: 36px; background: none;
      border: 1px solid var(--color-border); border-radius: 8px;
      cursor: pointer; padding: 6px;
      transition: background var(--transition-fast);
    }
    .hamburger:hover { background: var(--color-accent-light); }
    .hamburger span {
      display: block; height: 2px; background: var(--color-text); border-radius: 2px;
      transition: transform var(--transition-med), opacity var(--transition-med);
      transform-origin: center;
    }
    .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-drawer {
      display: none; position: fixed;
      top: var(--nav-height); left: 0; right: 0;
      background: var(--color-surface);
      border-bottom: 1px solid var(--color-border);
      padding: 1rem 2rem 1.5rem; z-index: 190;
      box-shadow: 0 8px 24px rgba(0,0,0,0.08);
      transform: translateY(-8px); opacity: 0;
      /* The closed drawer is display:block inside the mobile media
         query, so without these it stays in the hit-test tree and
         swallows taps across the top of the page. */
      visibility: hidden; pointer-events: none;
      transition: transform var(--transition-med), opacity var(--transition-med),
                  visibility 0s linear var(--transition-med-ms, 270ms);
    }
    .nav-drawer.open {
      transform: translateY(0); opacity: 1;
      visibility: visible; pointer-events: auto;
      transition: transform var(--transition-med), opacity var(--transition-med),
                  visibility 0s;
    }
    .nav-drawer ul { list-style: none; display: flex; flex-direction: column; gap: 0.25rem; }
    .nav-drawer a {
      display: block; padding: 0.65rem 0.75rem;
      font-size: 0.95rem; font-weight: 500;
      color: var(--color-text-muted); text-decoration: none; border-radius: 8px;
      transition: color var(--transition-fast), background var(--transition-fast);
    }
    .nav-drawer a:hover { color: var(--color-accent); background: var(--color-accent-light); }
    @media (max-width: 720px) {
      .nav-links  { display: none; }
      .hamburger  { display: flex; }
      .nav-drawer { display: block; }
    }

    /* PAGE HEADER */
    .page-header {
      background: var(--color-text);
      padding: 2.5rem 2rem 2rem;
      position: relative; overflow: hidden;
    }
    .page-header::before {
      content: ''; position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
      background-size: 48px 48px; pointer-events: none;
    }
    .page-header-inner {
      position: relative; max-width: var(--content-width); margin: 0 auto;
      animation: fadeUp 0.55s ease both;
    }
    .page-title {
      font-family: var(--font-display);
      font-size: clamp(2rem, 5vw, 2.9rem);
      line-height: 1.1; letter-spacing: -0.025em;
      color: #ffeef1; margin-bottom: 0.75rem;
    }
    .page-subtitle {
      color: rgba(255,238,241,0.55); font-weight: 300;
      font-size: 1rem; max-width: 560px;
    }
    .header-strip {
      position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
      background: linear-gradient(90deg, var(--color-accent), #e8a0ae, var(--color-accent));
    }

    /* LAYOUT */
    .page-wrapper {
      max-width: var(--content-width);
      margin: 0 auto;
      padding: 2.5rem 2rem 2.5rem;
    }

    /* BREADCRUMB */
    .breadcrumb {
      font-size: 0.85rem;
      color: var(--color-text-muted);
      margin-bottom: 2rem;
      animation: fadeUp 0.4s ease both;
    }
    .breadcrumb a {
      color: var(--color-accent);
      text-decoration: none;
    }
    .breadcrumb a:hover { text-decoration: underline; }
    .breadcrumb span { margin: 0 0.4rem; }

    /* CONTENT */
    .content-section {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-radius: var(--card-radius);
      padding: 2rem 2.25rem;
      margin-bottom: 1.5rem;
      animation: fadeUp 0.5s ease both;
    }
    .content-section:nth-child(2) { animation-delay: 0.06s; }
    .content-section:nth-child(3) { animation-delay: 0.12s; }
    .content-section:nth-child(4) { animation-delay: 0.18s; }

    .section-heading {
      font-family: var(--font-display);
      font-size: 1.45rem;
      letter-spacing: -0.02em;
      margin-bottom: 1.1rem;
      color: var(--color-text);
      display: flex;
      align-items: center;
      gap: 0.7rem;
    }

    .section-heading .icon {
      width: 2rem; height: 2rem;
      background: var(--color-accent-light);
      border-radius: 8px;
      display: inline-flex; align-items: center; justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .prose p {
      color: var(--color-text);
      font-weight: 300;
      margin-bottom: 1rem;
      line-height: 1.75;
    }
    .prose p:last-child { margin-bottom: 0; }

    .prose a {
      color: var(--color-accent);
      text-decoration: none;
      font-weight: 400;
      border-bottom: 1px solid rgba(194,104,122,0.3);
      transition: border-color var(--transition-fast), color var(--transition-fast);
    }
    .prose a:hover {
      color: var(--color-accent-dark);
      border-bottom-color: var(--color-accent);
    }

    .disclaimer {
      font-size: 0.85rem;
      color: var(--color-text-muted);
      font-style: italic;
      margin-top: 1.75rem;
      padding-top: 1.1rem;
      border-top: 1px solid var(--color-border);
    }

    /* FOOTER */
    footer {
      text-align: center; padding: 2rem;
      font-size: 0.8rem; color: var(--color-text-muted);
      border-top: 1px solid var(--color-border);
    }
    footer a { color: var(--color-accent); text-decoration: none; }

    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(16px); }
      to   { opacity: 1; transform: translateY(0); }
    }
  
    .disclaimer strong { font-weight: 500; color: var(--color-text); }
    .disclaimer .disclaimer-date {
      display: block; margin-top: 0.4rem;
      font-family: var(--font-mono, monospace); font-size: 0.72rem;
      font-style: normal; letter-spacing: 0.02em;
    }
      /* ── BEFORE-YOU-READ NOTICE ──────────────────────────────────────
       A one-per-browser-session gate, in the spirit of the IBD Pathways
       research-preview interstitial. Visible by default so that it still
       appears with JavaScript disabled; the "continue" control is a real
       anchor, so :target dismisses it without script. The script below
       only adds the remember-for-this-session behavior. */
    .gg-notice {
      position: fixed; inset: 0; z-index: 400;
      display: flex; align-items: center; justify-content: center;
      padding: 1.5rem 1rem;
      background: rgba(45, 24, 32, 0.55);
      -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
      overflow-y: auto;
    }
    #gg-ack:target ~ .gg-notice { display: none; }
    .gg-notice[hidden] { display: none; }

    .gg-notice-card {
      background: var(--color-bg);
      border: 1px solid var(--color-border);
      border-top: 4px solid var(--color-accent);
      border-radius: var(--card-radius, 12px);
      box-shadow: 0 18px 50px rgba(45, 24, 32, 0.22);
      max-width: 560px; width: 100%;
      padding: 1.9rem 2rem 1.6rem;
      margin: auto;
      animation: ggNoticeIn 0.35s ease both;
    }
    @keyframes ggNoticeIn {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .gg-notice-badge {
      display: inline-block;
      background: var(--color-tag-bg); color: var(--color-tag-text);
      font-family: var(--font-mono);
      font-size: 0.68rem; font-weight: 500;
      letter-spacing: 0.12em; text-transform: uppercase;
      border-radius: 999px; padding: 0.3rem 0.85rem;
      margin-bottom: 1rem;
    }
    .gg-notice-card h2 {
      font-family: var(--font-display);
      font-size: 1.45rem; line-height: 1.2; letter-spacing: -0.01em;
      color: var(--color-text); margin-bottom: 0.8rem;
    }
    .gg-notice-card p {
      font-size: 0.92rem; line-height: 1.65;
      color: var(--color-text-muted); font-weight: 300;
      margin-bottom: 0.8rem;
    }
    .gg-notice-card ul { list-style: none; margin: 0 0 1rem; padding: 0; }
    .gg-notice-card li {
      position: relative; padding-left: 1.15rem; margin-bottom: 0.6rem;
      font-size: 0.92rem; line-height: 1.6;
      color: var(--color-text-muted); font-weight: 300;
    }
    .gg-notice-card li::before {
      content: ''; position: absolute; left: 0; top: 0.62em;
      width: 6px; height: 6px; border-radius: 50%;
      background: var(--color-accent);
    }
    .gg-notice-card strong { font-weight: 500; color: var(--color-text); }
    .gg-notice-urgent {
      background: var(--color-accent-light);
      border-left: 3px solid var(--color-accent);
      border-radius: 0 8px 8px 0;
      padding: 0.75rem 1rem;
      font-size: 0.88rem; line-height: 1.55;
      color: var(--color-text); font-weight: 300;
      margin-bottom: 1.2rem;
    }
    .gg-notice-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
    .gg-notice-btn {
      display: inline-block;
      background: var(--color-accent); color: #fff;
      font-family: var(--font-body);
      font-size: 0.9rem; font-weight: 500;
      letter-spacing: 0.02em;
      padding: 0.7rem 1.5rem; border-radius: 8px;
      border: none; cursor: pointer; text-decoration: none;
      transition: background var(--transition-fast, 150ms ease);
    }
    .gg-notice-btn:hover { background: var(--color-accent-dark); }
    .gg-notice-btn:focus-visible { outline: 3px solid var(--color-accent-dark); outline-offset: 2px; }
    .gg-notice-back {
      font-size: 0.85rem; color: var(--color-text-muted); text-decoration: none;
      border-bottom: 1px solid var(--color-border); padding-bottom: 1px;
    }
    .gg-notice-back:hover { color: var(--color-accent); }
    .gg-notice-fine {
      font-size: 0.78rem; line-height: 1.5; color: var(--color-text-muted);
      margin: 1.1rem 0 0; padding-top: 0.9rem;
      border-top: 1px solid var(--color-border); font-weight: 300;
    }
    .gg-notice-fine a { color: var(--color-accent); text-decoration: none;
      border-bottom: 1px dotted var(--color-accent); }
    body.gg-locked { overflow: hidden; }
    @media (max-width: 560px) {
      .gg-notice { padding: 0.75rem; align-items: flex-start; }
      .gg-notice-card { padding: 1.4rem 1.25rem 1.2rem; }
      .gg-notice-card h2 { font-size: 1.25rem; }
    }

/* Shared by the six pages that carry a when-to-get-help block. */
.content-section:nth-child(5) { animation-delay: 0.24s; }
    .content-section:nth-child(6) { animation-delay: 0.30s; }
  
    /* ── WHEN TO GET HELP ────────────────────────────────────────────
       Same component on every clinical page so readers learn where to
       look. Two tiers: emergency, then call-your-team-today. */
    .help-box {
      background: var(--color-surface);
      border: 1px solid var(--color-border);
      border-left: 4px solid var(--color-accent);
      border-radius: var(--card-radius, 12px);
      padding: 1.3rem 1.5rem 1.1rem;
      margin-bottom: 2rem;
    }
    .help-box > h2 {
      font-family: var(--font-display);
      font-size: 1.15rem; font-weight: 400; letter-spacing: -0.01em;
      color: var(--color-text); margin: 0 0 0.25rem;
    }
    .help-box > p.help-lede {
      font-size: 0.85rem; line-height: 1.55;
      color: var(--color-text-muted); margin: 0 0 1rem;
    }
    .help-tier + .help-tier { margin-top: 1rem; }
    .help-tier h3 {
      font-family: var(--font-body);
      font-size: 0.7rem; font-weight: 500;
      letter-spacing: 0.1em; text-transform: uppercase;
      margin: 0 0 0.5rem;
    }
    .help-tier.now h3 { color: #b3261e; }
    .help-tier.today h3 { color: var(--color-accent-dark, #a85566); }
    .help-tier ul { list-style: none; margin: 0; padding: 0; }
    .help-tier li {
      position: relative; padding-left: 1.1rem; margin-bottom: 0.4rem;
      font-size: 0.89rem; line-height: 1.55; color: var(--color-text);
    }
    .help-tier li::before {
      content: ''; position: absolute; left: 0; top: 0.6em;
      width: 6px; height: 6px; border-radius: 50%;
    }
    .help-tier.now li::before { background: #b3261e; }
    .help-tier.today li::before { background: var(--color-accent); }
    .help-box .help-foot {
      font-size: 0.8rem; line-height: 1.5; color: var(--color-text-muted);
      margin: 1rem 0 0; padding-top: 0.75rem;
      border-top: 1px solid var(--color-border);
    }
    @media (max-width: 560px) { .help-box { padding: 1.1rem 1.1rem 0.9rem; } }


/* ── SOURCES ─────────────────────────────────────────────────── */
.sources { margin-top: 1.75rem; padding-top: 1.1rem; border-top: 1px solid var(--color-border); }
.sources h2 {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 400;
  letter-spacing: -0.01em; color: var(--color-text); margin-bottom: 0.3rem;
}
.sources > p {
  font-size: 0.8rem; line-height: 1.55; color: var(--color-text-muted); margin-bottom: 0.8rem;
}
.sources ol { list-style: none; counter-reset: src; margin: 0; padding: 0; }
.sources li {
  counter-increment: src; position: relative; padding-left: 1.9rem;
  margin-bottom: 0.6rem; font-size: 0.82rem; line-height: 1.55;
  color: var(--color-text-muted);
}
.sources li::before {
  content: counter(src) "."; position: absolute; left: 0; top: 0;
  font-family: var(--font-mono, monospace); font-size: 0.75rem;
  color: var(--color-accent); font-weight: 500;
}
.sources li em { font-style: italic; }
.sources a { color: var(--color-accent); text-decoration: none; border-bottom: 1px dotted var(--color-accent); }
.sources li[id] { scroll-margin-top: calc(var(--nav-height) + 1.25rem); }
.sources li:target { background: var(--color-accent-light); border-radius: 6px; }
.cite { font-size: 0.68em; line-height: 0; vertical-align: super; margin-left: 1px; }
.cite a { color: var(--color-accent); text-decoration: none; padding: 0 1px; font-weight: 500; }
.cite a:hover { text-decoration: underline; }