/* Page-specific styles for blackwater-aquariums.html */
  #bio-page-root {
    --deep: #0D1026; --deep-2: #171B3D; --deep-3: #06070F;
    --leaf: #35AD51; --leaf-dark: #248238; --leaf-light: #8FD9A1;
    --tea: #8A5A2B; --tea-dark: #5E3A19; --tea-light: #C89A5B; --amber: #D9A441;
    --sand: #F6F1E6; --sand-line: #E1D8C4; --ink: #12142A; --ink-soft: #565A72; --paper: #FFFFFF;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink); background: var(--paper);
  }
  #bio-page-root *{ box-sizing: border-box; }
  #bio-page-root h1, #bio-page-root h2, #bio-page-root h3, #bio-page-root h4 {
    font-family: 'Fraunces', Georgia, serif; font-weight: 600; letter-spacing: -0.01em; color: var(--deep); margin: 0;
  }
  #bio-page-root a { text-decoration: none; }
  #bio-page-root section { padding: 64px 40px; }
  #bio-page-root .wrap { max-width: 1100px; margin: 0 auto; }
  #bio-page-root .wrap-narrow { max-width: 760px; margin: 0 auto; }
  #bio-page-root .kicker {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em;
    color: var(--amber); margin: 0 0 16px; background: rgba(217,164,65,0.14); padding: 7px 14px 7px 10px; border-radius: 20px;
  }
  #bio-page-root .kicker::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
  #bio-page-root .mono { font-family: 'JetBrains Mono', monospace; }

  /* ============ MUSEUM-PLAQUE HERO ============ */
  #bio-page-root .page-header {
    position: relative; overflow: hidden; color: #F3E9D6;
    background:
      radial-gradient(120% 160% at 15% -10%, rgba(217,164,65,0.16) 0%, transparent 55%),
      linear-gradient(180deg, #2B1B0E 0%, #1B1108 45%, #0D0904 100%);
    padding: 90px 40px 50px; text-align: center;
  }
  #bio-page-root .page-header::before {
    content: ''; position: absolute; inset: 0; opacity: 0.35; pointer-events: none;
    background-image: repeating-linear-gradient(115deg, rgba(0,0,0,0.25) 0 2px, transparent 2px 26px);
  }
  #bio-page-root .page-header .inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
  #bio-page-root .page-header .exhibit-tag {
    display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 600;
    letter-spacing: .12em; text-transform: uppercase; color: var(--amber); border: 1px solid rgba(217,164,65,0.4);
    padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
  }
  #bio-page-root .page-header h1 { font-size: clamp(30px, 4.6vw, 48px); color: #fff; line-height: 1.15; }
  #bio-page-root .page-header .latin { font-style: italic; font-family: 'Fraunces', Georgia, serif; color: var(--tea-light); font-size: 15px; margin-top: 8px; }
  #bio-page-root .page-header p.lede { max-width: 600px; margin: 20px auto 0; color: #D8CBB4; font-size: 15px; line-height: 1.75; }
  #bio-page-root .page-header .locator {
    margin-top: 28px; display: inline-flex; flex-wrap: wrap; justify-content: center; gap: 10px;
  }
  #bio-page-root .page-header .locator span {
    font-size: 11.5px; font-weight: 700; letter-spacing: .04em; color: #F3E9D6;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
    padding: 7px 13px; border-radius: 999px;
  }

  /* ============ SECTION LABEL ============ */
  #bio-page-root .sec-label {
    display: flex; align-items: center; gap: 14px; margin-bottom: 34px;
  }
  #bio-page-root .sec-label .num {
    font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 700; color: var(--tea);
    border: 1.5px solid var(--tea); border-radius: 50%; width: 34px; height: 34px; flex: none;
    display: flex; align-items: center; justify-content: center;
  }
  #bio-page-root .sec-label .txt h2 { font-size: clamp(22px, 3vw, 28px); }
  #bio-page-root .sec-label .txt .sub { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; letter-spacing: .03em; text-transform: uppercase; margin-top: 3px; }

  /* ============ INTRO / ORIGIN ============ */
  #bio-page-root .origin { background: var(--paper); }
  #bio-page-root .origin-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
  #bio-page-root .origin p { font-size: 15px; line-height: 1.85; color: var(--ink-soft); margin: 0 0 16px; }
  #bio-page-root .origin p strong { color: var(--ink); }
  #bio-page-root .map-card {
    background: linear-gradient(160deg, #1B1108 0%, #2B1B0E 100%); border-radius: 20px; padding: 28px;
    color: #F3E9D6; box-shadow: 0 20px 40px -20px rgba(20,10,4,0.5);
  }
  #bio-page-root .map-card h3 { color: #fff; font-size: 17px; margin-bottom: 14px; }
  #bio-page-root .map-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
  #bio-page-root .map-card li { font-size: 13.5px; line-height: 1.6; color: #D8CBB4; padding-left: 18px; position: relative; }
  #bio-page-root .map-card li::before { content: '\25CF'; position: absolute; left: 0; top: 2px; color: var(--amber); font-size: 9px; }
  #bio-page-root .map-card li b { color: #fff; }

  /* ============ WATER PARAMETERS ============ */
  #bio-page-root .params { background: var(--sand); }
  #bio-page-root .params-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  #bio-page-root .param-card {
    background: var(--paper); border: 1px solid var(--sand-line); border-radius: 16px; padding: 22px 20px;
    text-align: center; box-shadow: 0 1px 2px rgba(11,10,4,0.03);
  }
  #bio-page-root .param-card .val { font-family: 'JetBrains Mono', monospace; font-size: 26px; font-weight: 700; color: var(--tea-dark); }
  #bio-page-root .param-card .unit { font-size: 12px; color: var(--ink-soft); font-weight: 600; }
  #bio-page-root .param-card .lbl { margin-top: 8px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--ink); }
  #bio-page-root .param-card .note { margin-top: 6px; font-size: 12px; color: var(--ink-soft); line-height: 1.5; }
  #bio-page-root .tannin-strip {
    margin-top: 22px; border-radius: 16px; overflow: hidden; display: flex; height: 46px;
    box-shadow: inset 0 0 0 1px var(--sand-line);
  }
  #bio-page-root .tannin-strip div { flex: 1; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; color: #fff; letter-spacing: .03em; }

  /* ============ FACT CALLOUTS ============ */
  #bio-page-root .facts { background: var(--paper); }
  #bio-page-root .facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  #bio-page-root .fact-card {
    border: 1px solid var(--sand-line); border-radius: 18px; padding: 26px; background: var(--sand);
    position: relative;
  }
  #bio-page-root .fact-card .icon {
    width: 40px; height: 40px; border-radius: 10px; background: var(--tea-dark); color: #F3E9D6;
    display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
  }
  #bio-page-root .fact-card .icon svg { width: 20px; height: 20px; }
  #bio-page-root .fact-card h3 { font-size: 16px; margin-bottom: 8px; }
  #bio-page-root .fact-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; margin: 0; }

  /* ============ SPECIES CARDS (fish + plants) ============ */
  #bio-page-root .species { background: var(--sand); }
  #bio-page-root .species-toggle { display: flex; gap: 8px; margin-bottom: 30px; justify-content: center; }
  #bio-page-root .species-toggle button {
    font-family: 'Inter', sans-serif; font-size: 13.5px; font-weight: 700; color: var(--ink-soft);
    background: var(--paper); border: 1px solid var(--sand-line); padding: 11px 22px; border-radius: 20px; cursor: pointer;
    transition: background .15s ease, color .15s ease;
  }
  #bio-page-root .species-toggle button.active { background: var(--tea-dark); border-color: var(--tea-dark); color: #fff; }
  #bio-page-root .species-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
  #bio-page-root .species-grid.hidden { display: none; }
  #bio-page-root .sp-card {
    background: var(--paper); border: 1px solid var(--sand-line); border-radius: 18px; padding: 0 0 20px; overflow: hidden;
    box-shadow: 0 1px 2px rgba(11,10,4,0.03);
  }
  #bio-page-root .sp-img { position: relative; width: 100%; aspect-ratio: 4/3; background: var(--sand); border-bottom: 1px solid var(--sand-line); }
  #bio-page-root .sp-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
  #bio-page-root .sp-img .sp-img-empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: var(--ink-soft); }
  #bio-page-root .sp-img .sp-img-empty svg { width: 24px; height: 24px; opacity: 0.3; }
  #bio-page-root .sp-img .sp-img-empty span { font-size: 10.5px; font-weight: 600; text-align: center; padding: 0 10px; opacity: 0.5; }
  #bio-page-root .sp-card .sp-body { padding: 16px 22px 0; }
  #bio-page-root .sp-card .tag {
    display: inline-block; font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
    color: var(--tea-dark); background: rgba(138,90,43,0.12); padding: 4px 10px; border-radius: 999px; margin-bottom: 12px;
  }
  #bio-page-root .sp-card h3 { font-size: 16.5px; margin-bottom: 3px; }
  #bio-page-root .sp-card .sci { font-style: italic; font-size: 12.5px; color: var(--ink-soft); margin-bottom: 12px; display: block; }
  #bio-page-root .sp-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.65; margin: 0 0 10px; }
  #bio-page-root .sp-card .avail {
    display: flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700; color: var(--leaf-dark);
    margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--sand-line);
  }
  #bio-page-root .sp-card .avail svg { width: 13px; height: 13px; flex: none; }

  /* ============ HABITAT NOTE STRIP ============ */
  #bio-page-root .habitat-note { background: var(--paper); }
  #bio-page-root .hn-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
  #bio-page-root .hn-grid h3 { font-size: 18px; margin-bottom: 12px; }
  #bio-page-root .hn-grid p { font-size: 14px; color: var(--ink-soft); line-height: 1.8; margin: 0 0 12px; }
  #bio-page-root .hn-grid ul { margin: 0; padding-left: 18px; }
  #bio-page-root .hn-grid li { font-size: 13.5px; color: var(--ink-soft); line-height: 1.9; }

  /* ============ TANK-AT-HOME CTA ============ */
  #bio-page-root .cta-band {
    background: radial-gradient(130% 200% at 50% 0%, #2B1B0E 0%, #1B1108 55%, #0D0904 100%);
    padding: 70px 40px; text-align: center; color: #F3E9D6;
  }
  #bio-page-root .cta-band h2 { color: #fff; font-size: clamp(24px, 3.4vw, 32px); }
  #bio-page-root .cta-band p { max-width: 560px; margin: 14px auto 26px; font-size: 14.5px; color: #D8CBB4; line-height: 1.75; }
  #bio-page-root .cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  #bio-page-root .btn {
    display: inline-flex; align-items: center; gap: 9px; padding: 14px 26px; border-radius: 12px;
    font-weight: 700; font-size: 14px; cursor: pointer; border: none; transition: transform .15s ease, box-shadow .15s ease;
    font-family: 'Inter', sans-serif;
  }
  #bio-page-root .btn svg { width: 15px; height: 15px; flex: none; }
  #bio-page-root .btn-primary { background: linear-gradient(135deg, var(--amber) 0%, #B9791F 100%); color: #1B1108; box-shadow: 0 10px 22px -8px rgba(217,164,65,0.4); }
  #bio-page-root .btn-primary:hover { transform: translateY(-2px); }
  #bio-page-root .btn-outline { background: transparent; color: #F3E9D6; border: 1.5px solid rgba(255,255,255,0.28); }
  #bio-page-root .btn-outline:hover { border-color: var(--amber); color: var(--amber); }

  /* ============ REVEAL ANIMATION ============ */
  #bio-page-root .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
  #bio-page-root .reveal.in { opacity: 1; transform: none; }

  @media (max-width: 900px) {
    #bio-page-root .origin-grid { grid-template-columns: 1fr; }
    #bio-page-root .params-grid { grid-template-columns: repeat(2, 1fr); }
    #bio-page-root .facts-grid { grid-template-columns: 1fr; }
    #bio-page-root .species-grid { grid-template-columns: 1fr; }
    #bio-page-root .hn-grid { grid-template-columns: 1fr; }
  }