/* ==========================================================================
   THE FORMULARY — design system
   Concept: apothecary specimen index. Every product is a catalogued
   formulation with a real inventory number, displayed like a lab
   requisition label.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Zilla+Slab:wght@400;500;600;700&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --paper: #F2F4EC;
  --paper-alt: #EAEEE1;
  --ink: #17241C;
  --ink-soft: #445142;
  --pine: #2B4A34;
  --pine-deep: #1D3526;
  --pine-light: #4C7259;
  --coral: #D9502B;
  --coral-deep: #B8401F;
  --gold: #A97A24;
  --card: #FDFCF7;
  --line: #D9D4C0;
  --line-soft: #E5E1D1;
  --shadow: 0 1px 2px rgba(23,36,28,.06), 0 8px 24px -12px rgba(23,36,28,.18);
  --shadow-lift: 0 4px 8px rgba(23,36,28,.08), 0 20px 40px -16px rgba(23,36,28,.28);
  --radius: 4px;
  --max: 1180px;
  --font-display: 'Zilla Slab', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; margin:0; color:var(--pine-deep); }
p{ margin:0; }

:focus-visible{ outline:2px solid var(--coral); outline-offset:2px; }

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

/* subtle paper texture via layered gradients */
body{
  background-image:
    radial-gradient(circle at 1px 1px, rgba(23,36,28,0.035) 1px, transparent 0);
  background-size: 22px 22px;
}

/* ============ TOP DISCLOSURE BAR ============ */
.disclosure-bar{
  background:var(--pine-deep);
  color:#DCE6DC;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.02em;
  text-align:center;
  padding:7px 16px;
}
.disclosure-bar a{ color:#fff; text-decoration:underline; text-underline-offset:2px; }

/* ============ HEADER ============ */
.site-header{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky; top:0; z-index:40;
  backdrop-filter:saturate(1.1);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; padding-bottom:16px; gap:24px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{
  width:34px; height:34px; border-radius:50%;
  background:var(--pine); color:var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:15px;
  flex-shrink:0;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-name{ font-family:var(--font-display); font-weight:700; font-size:19px; color:var(--pine-deep); letter-spacing:-.01em; }
.brand-sub{ font-family:var(--font-mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-soft); }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{
  font-size:14px; font-weight:600; color:var(--ink-soft);
  position:relative; padding:4px 0;
}
.main-nav a:hover{ color:var(--pine-deep); }
.nav-toggle{ display:none; }

.search-form{ display:flex; align-items:center; gap:0; position:relative; }
.search-form input{
  font-family:var(--font-body); font-size:13.5px;
  border:1px solid var(--line); background:var(--card);
  padding:9px 14px 9px 34px; border-radius:20px; width:200px;
  color:var(--ink);
}
.search-form input::placeholder{ color:#9AA396; }
.search-form svg{ position:absolute; left:11px; width:15px; height:15px; color:var(--ink-soft); pointer-events:none; }

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:700; font-size:14.5px;
  padding:13px 24px; border-radius:3px; border:none;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn-cta{
  background:var(--coral); color:#fff;
  box-shadow:var(--shadow);
  position:relative;
}
.btn-cta::after{
  content:'';
  position:absolute; inset:0; border-radius:3px;
  border:1px solid rgba(255,255,255,.25);
  pointer-events:none;
}
.btn-cta:hover{ background:var(--coral-deep); transform:translateY(-1px); box-shadow:var(--shadow-lift); }
.btn-cta:active{ transform:translateY(0); }
.btn-ghost{
  background:transparent; color:var(--pine-deep); border:1.5px solid var(--pine-deep);
}
.btn-ghost:hover{ background:var(--pine-deep); color:#fff; }
.btn-block{ width:100%; }
.btn-lg{ padding:16px 28px; font-size:16px; }
.btn-arrow{ transition:transform .15s ease; }
.btn:hover .btn-arrow{ transform:translateX(3px); }

/* ============ HERO ============ */
.hero{ padding:64px 0 56px; position:relative; overflow:hidden; }
.hero-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:56px; align-items:center; }
.hero-eyebrow{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--coral); font-weight:600; display:flex; align-items:center; gap:10px; margin-bottom:18px;
}
.hero-eyebrow::before{ content:''; width:26px; height:1.5px; background:var(--coral); display:inline-block; }
.hero h1{
  font-size:clamp(34px,4.4vw,54px); line-height:1.05; letter-spacing:-.01em; margin-bottom:20px;
}
.hero h1 em{ font-style:italic; color:var(--coral); }
.hero-lede{ font-size:17.5px; color:var(--ink-soft); max-width:52ch; margin-bottom:30px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; margin-bottom:30px;}
.hero-stats{ display:flex; gap:32px; flex-wrap:wrap; }
.hero-stat b{ display:block; font-family:var(--font-display); font-size:26px; color:var(--pine-deep); }
.hero-stat span{ font-size:12.5px; color:var(--ink-soft); font-family:var(--font-mono); letter-spacing:.03em; }

.hero-index{
  background:var(--card); border:1px solid var(--line); border-radius:6px;
  box-shadow:var(--shadow-lift); padding:22px; position:relative;
  transform:rotate(1.2deg);
}
.hero-index::before{
  content:'CATALOG SAMPLE';
  position:absolute; top:-11px; left:20px; background:var(--pine-deep); color:#fff;
  font-family:var(--font-mono); font-size:10px; letter-spacing:.1em; padding:4px 10px; border-radius:2px;
}
.hero-index-row{
  display:flex; align-items:center; gap:14px; padding:12px 4px;
  border-bottom:1px dashed var(--line);
}
.hero-index-row:last-child{ border-bottom:none; }
.hero-index-num{ font-family:var(--font-mono); font-size:12px; color:var(--gold); width:44px; flex-shrink:0; }
.hero-index-thumb{ width:44px; height:44px; border-radius:4px; background:var(--paper-alt); display:flex; align-items:center; justify-content:center; flex-shrink:0; overflow:hidden; }
.hero-index-thumb img{ width:100%; height:100%; object-fit:contain; }
.hero-index-info{ flex:1; min-width:0; }
.hero-index-info b{ font-family:var(--font-display); font-size:14.5px; display:block; color:var(--ink); }
.hero-index-info span{ font-size:11.5px; color:var(--ink-soft); }

/* ============ SECTION HEADERS ============ */
.section{ padding:56px 0; }
.section-tight{ padding:36px 0; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:32px; flex-wrap:wrap; }
.section-eyebrow{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--pine-light); font-weight:600; margin-bottom:8px; display:block;
}
.section-head h2{ font-size:clamp(24px,3vw,32px); letter-spacing:-.01em; }
.section-desc{ color:var(--ink-soft); max-width:60ch; margin-top:8px; font-size:15px; }

/* ============ CATEGORY RAIL ============ */
.cat-rail{ display:flex; gap:10px; flex-wrap:wrap; }
.cat-chip{
  font-family:var(--font-mono); font-size:12.5px; padding:8px 14px; border-radius:20px;
  border:1px solid var(--line); background:var(--card); color:var(--ink-soft); font-weight:500;
  transition:all .15s ease;
}
.cat-chip:hover, .cat-chip.active{ background:var(--pine-deep); color:#fff; border-color:var(--pine-deep); }
.cat-chip .count{ opacity:.6; margin-left:4px; }

/* ============ PRODUCT GRID / CARDS ============ */
.grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }

.p-card{
  background:var(--card); border:1px solid var(--line); border-radius:6px;
  overflow:hidden; position:relative; transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  display:flex; flex-direction:column;
}
.p-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-lift); border-color:var(--line-soft); }
.p-tag{
  position:absolute; top:12px; left:0; z-index:2;
  background:var(--pine-deep); color:#EFE9D8;
  font-family:var(--font-mono); font-size:11px; letter-spacing:.06em;
  padding:4px 10px 4px 12px; border-radius:0 3px 3px 0;
}
.p-tag::after{
  content:''; position:absolute; left:0; top:100%;
  border-style:solid; border-width:4px 0 0 6px; border-color:transparent transparent transparent var(--pine-deep);
  filter:brightness(.7);
}
.p-cat{
  position:absolute; top:12px; right:12px; z-index:2;
  background:rgba(253,252,247,.92); color:var(--pine-deep);
  font-family:var(--font-mono); font-size:10px; letter-spacing:.04em; text-transform:uppercase;
  padding:4px 8px; border-radius:3px; border:1px solid var(--line);
  max-width:62%; text-align:right;
}
.p-media{
  background:linear-gradient(160deg,var(--paper-alt),var(--paper) 70%);
  aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; padding:26px 20px 14px;
}
.p-media img{ max-height:100%; max-width:100%; object-fit:contain; filter:drop-shadow(0 10px 16px rgba(23,36,28,.14)); }
.p-body{ padding:16px 18px 18px; border-top:1px dashed var(--line); flex:1; display:flex; flex-direction:column; gap:10px; }
.p-name{ font-family:var(--font-display); font-size:19px; font-weight:600; color:var(--ink); line-height:1.2; }
.p-desc{ font-size:13.5px; color:var(--ink-soft); line-height:1.5; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.p-card .btn{ margin-top:auto; font-size:13px; padding:11px 16px; }

/* ============ PRODUCT PAGE ============ */
.p-hero{ padding:36px 0 0; }
.breadcrumb{
  font-family:var(--font-mono); font-size:12px; color:var(--ink-soft); margin-bottom:22px;
  display:flex; gap:6px; align-items:center; flex-wrap:wrap;
}
.breadcrumb a:hover{ color:var(--coral); }
.breadcrumb .sep{ opacity:.5; }

.p-layout{ display:grid; grid-template-columns:400px 1fr; gap:52px; align-items:start; }
.p-media-panel{ position:sticky; top:96px; }
.p-label{
  background:var(--card); border:1px solid var(--line); border-radius:8px;
  padding:0; box-shadow:var(--shadow); overflow:hidden;
}
.p-label-tag{
  display:flex; align-items:center; justify-content:space-between;
  background:var(--pine-deep); color:#EFE9D8; padding:10px 16px;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em;
}
.p-label-media{
  aspect-ratio:1/1; display:flex; align-items:center; justify-content:center;
  padding:32px; background:linear-gradient(160deg,var(--paper-alt),var(--paper) 75%);
}
.p-label-media img{ max-height:100%; object-fit:contain; filter:drop-shadow(0 16px 24px rgba(23,36,28,.16)); }
.p-label-foot{ padding:16px 18px; border-top:1px dashed var(--line); }
.p-label-foot .cat-pill{
  display:inline-block; font-family:var(--font-mono); font-size:11px; letter-spacing:.04em; text-transform:uppercase;
  color:var(--pine-deep); background:var(--paper-alt); border:1px solid var(--line); padding:5px 10px; border-radius:20px;
}
.trust-list{ margin-top:16px; display:flex; flex-direction:column; gap:9px; }
.trust-list li{ display:flex; align-items:center; gap:9px; font-size:13px; color:var(--ink-soft); }
.trust-list svg{ width:16px; height:16px; color:var(--pine); flex-shrink:0; }

.p-content h1{ font-size:clamp(30px,4vw,42px); line-height:1.08; margin-bottom:14px; letter-spacing:-.01em; }
.p-sub{ font-size:16.5px; color:var(--ink-soft); max-width:62ch; margin-bottom:26px; }
.cta-row{ display:flex; gap:14px; align-items:center; margin-bottom:8px; flex-wrap:wrap; }
.cta-note{ font-size:12px; color:var(--ink-soft); font-family:var(--font-mono); margin-bottom:34px; }

.p-section{ padding:30px 0; border-top:1px solid var(--line-soft); }
.p-section:first-of-type{ border-top:none; padding-top:6px; }
.p-section h2{ font-size:22px; margin-bottom:14px; display:flex; align-items:center; gap:10px; }
.p-section h2 .num{ font-family:var(--font-mono); font-size:12px; color:var(--gold); border:1px solid var(--line); border-radius:50%; width:26px; height:26px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.p-section p{ color:var(--ink-soft); font-size:15.5px; line-height:1.75; }

.formula-list{ display:flex; flex-direction:column; }
.formula-item{
  display:flex; align-items:baseline; gap:12px; padding:11px 0;
  border-bottom:1px dotted var(--line); font-family:var(--font-mono); font-size:14px;
}
.formula-item .idx{ color:var(--gold); width:24px; flex-shrink:0; }
.formula-item .name{ color:var(--ink); flex:1; }
.formula-item .leader{ flex:1; border-bottom:1px dotted var(--line-soft); margin:0 4px; transform:translateY(-4px); min-width:20px; }

.review-block{
  background:var(--card); border:1px solid var(--line); border-left:3px solid var(--pine);
  border-radius:0 6px 6px 0; padding:22px 24px;
}
.review-block .quote-mark{ font-family:var(--font-display); font-size:40px; color:var(--pine-light); line-height:.4; display:block; margin-bottom:6px;}
.review-block p{ color:var(--ink); font-size:15.5px; }

.faq-list{ display:flex; flex-direction:column; gap:10px; }
.faq-item{ border:1px solid var(--line); border-radius:6px; background:var(--card); overflow:hidden; }
.faq-q{
  width:100%; text-align:left; background:none; border:none; padding:16px 18px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  font-family:var(--font-body); font-weight:600; font-size:15px; color:var(--ink);
}
.faq-q .plus{ font-family:var(--font-mono); font-size:18px; color:var(--coral); flex-shrink:0; transition:transform .2s ease; }
.faq-item.open .faq-q .plus{ transform:rotate(45deg); }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .25s ease; }
.faq-a-inner{ padding:0 18px 18px; color:var(--ink-soft); font-size:14.5px; line-height:1.65; }
.faq-item.open .faq-a{ max-height:400px; }

.disclaimer-box{
  background:var(--paper-alt); border:1px solid var(--line); border-radius:6px; padding:18px 20px;
  font-size:12.5px; color:var(--ink-soft); line-height:1.6; margin-top:12px;
}
.disclaimer-box strong{ color:var(--ink); }

/* related products */
.related{ padding:56px 0 72px; border-top:1px solid var(--line); margin-top:24px; }

/* sticky mobile CTA */
.mobile-cta{
  display:none; position:fixed; bottom:0; left:0; right:0; z-index:50;
  background:var(--card); border-top:1px solid var(--line); padding:12px 16px;
  box-shadow:0 -8px 24px rgba(23,36,28,.14);
}
.mobile-cta .btn{ width:100%; }

/* ============ CATEGORY PAGE HEADER ============ */
.cat-hero{ padding:44px 0 20px; }
.cat-hero-icon{
  width:52px; height:52px; border-radius:10px; background:var(--pine-deep); color:#fff;
  display:flex; align-items:center; justify-content:center; margin-bottom:18px; font-family:var(--font-display); font-size:22px; font-weight:700;
}

/* ============ FOOTER ============ */
.site-footer{ background:var(--pine-deep); color:#C8D3C7; margin-top:64px; }
.footer-top{ padding:52px 0 36px; display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:36px; }
.footer-brand .brand-name{ color:#fff; }
.footer-brand .brand-sub{ color:#9FB09E; }
.footer-about{ font-size:13.5px; color:#A9B8A8; margin-top:14px; max-width:38ch; line-height:1.6; }
.footer-col h4{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:#8FA38E; margin-bottom:14px; font-weight:600; }
.footer-col ul{ display:flex; flex-direction:column; gap:9px; }
.footer-col a{ font-size:13.5px; color:#C8D3C7; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding:20px 0; font-size:12px; color:#8FA38E;
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.footer-disclaimer{
  border-top:1px solid rgba(255,255,255,.12); padding:22px 0; font-size:11.5px; color:#8FA38E; line-height:1.7;
}

/* ============ MISC / A11Y ============ */
.skip-link{ position:absolute; left:-999px; top:0; background:#fff; color:#000; padding:10px 16px; z-index:100; }
.skip-link:focus{ left:16px; top:16px; }

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

/* ============ RESPONSIVE ============ */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-index{ transform:none; }
  .grid{ grid-template-columns:repeat(2,1fr); }
  .p-layout{ grid-template-columns:1fr; }
  .p-media-panel{ position:static; max-width:360px; }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .search-form input{ width:150px; }
}

@media (max-width:680px){
  .main-nav{
    display:none;
  }
  .grid{ grid-template-columns:repeat(2,1fr); gap:14px; }
  .search-form{ display:none; }
  .hero{ padding:40px 0 32px; }
  .hero-actions .btn{ width:100%; }
  .section{ padding:40px 0; }
  .footer-top{ grid-template-columns:1fr; padding:40px 0 24px; }
  .mobile-cta{ display:block; }
  body{ padding-bottom:76px; }
  .p-label-media{ padding:20px; }
  .cta-row .btn{ width:100%; }
}

@media (max-width:420px){
  .grid{ grid-template-columns:1fr 1fr; gap:10px; }
  .p-name{ font-size:16px; }
}