/*
Theme Name: Planet Biolabs
Theme URI: https://glimmer-redesigned.lovable.app
Author: Planet Biolabs
Description: Responsive research-peptide storefront theme — "Analytical Ledger" design system with citrus-lab palette, catalogue, product pages, certificates, FAQs and contact.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: planet-biolabs
*/

:root {
  --background: #fdfcf7;
  --foreground: #33291f;
  --paper: #ffffff;
  --muted: #f6f2e9;
  --muted-fg: #7b6b58;
  --rule: #e4ddcf;
  --ink: #f4622a;
  --ink-fg: #ffffff;
  --signal: #ffb020;
  --primary: #f4622a;
  --primary-fg: #241a12;
  --radius: 4px;
  --max: 1200px;
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-display: "Bricolage Grotesque", "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.15; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 20px; }
.label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; }
.muted { color: var(--muted-fg); }
.signal { color: var(--ink); }
.stack > * + * { margin-top: 12px; }
.section { padding: 56px 0; }
.hairline { border-top: 1px solid var(--rule); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--ink); background: var(--ink); color: var(--ink-fg);
  padding: 12px 20px; border-radius: var(--radius); cursor: pointer;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  transition: opacity .15s ease;
}
.btn:hover { opacity: .88; }
.btn-outline { background: transparent; color: var(--foreground); border-color: var(--rule); }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 12px; }

/* Header */
.topbar { background: var(--ink); color: var(--ink-fg); }
.topbar .wrap { display: flex; gap: 16px; justify-content: center; padding-top: 8px; padding-bottom: 8px; flex-wrap: wrap; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(253,252,247,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.header-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 20px; max-width: var(--max); margin: 0 auto; }
.brand { font-family: var(--font-display); font-weight: 600; font-size: 20px; }
.brand small { font-family: var(--font-mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--muted-fg); margin-left: 8px; }
.main-nav { display: none; gap: 28px; }
.main-nav a { font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: rgba(51,41,31,.7); }
.main-nav a:hover, .main-nav a.active { color: var(--foreground); }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn { border: 1px solid var(--rule); background: transparent; min-width: 38px; height: 38px; padding: 0 10px; font-family: var(--font-mono); letter-spacing: .12em; text-transform: uppercase; border-radius: var(--radius); cursor: pointer; font-size: 15px; }
.mobile-nav { display: none; border-top: 1px solid var(--rule); }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 14px 20px; border-bottom: 1px solid var(--rule); font-family: var(--font-mono); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
@media (min-width: 900px) { .main-nav { display: flex; } .icon-btn.menu { display: none; } }

/* Hero */
.hero { display: grid; gap: 32px; padding: 40px 0 56px; align-items: center; }
.hero h1 { font-size: clamp(34px, 7vw, 60px); font-weight: 600; margin-top: 12px; }
.hero-img { border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; border-top: 1px solid var(--rule); padding-top: 20px; }
.hero-stats strong { font-family: var(--font-display); font-size: 22px; display: block; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.05fr .95fr; gap: 56px; } }

/* Cards / grid */
.grid { display: grid; gap: 20px; grid-template-columns: repeat(1, 1fr); }
@media (min-width: 560px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1100px) { .grid.grid-4 { grid-template-columns: repeat(4, 1fr); } }

.card { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; }
.card:hover { border-color: var(--ink); }
.card-media { position: relative; background: var(--muted); }
.card-media img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.vial-label { position: absolute; left: 50%; top: 60%; transform: translate(-50%, -50%) rotate(-.5deg); text-align: center; width: 58%; pointer-events: none; }
.vial-label .n { font-family: var(--font-display); font-weight: 700; font-size: 13px; color: #241a12; line-height: 1.1; word-break: break-word; }
.vial-label .s { font-family: var(--font-mono); font-size: 9px; letter-spacing: .16em; color: #6b5a48; }
.badge { position: absolute; top: 10px; left: 10px; background: var(--ink); color: var(--ink-fg); padding: 4px 8px; border-radius: 2px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.card-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-size: 17px; font-weight: 600; }
.price { display: flex; align-items: baseline; gap: 8px; font-family: var(--font-display); font-size: 19px; font-weight: 600; }
.price s { font-family: var(--font-sans); font-size: 13px; color: var(--muted-fg); font-weight: 400; }

/* Ink section */
.ink { background: var(--ink); color: var(--ink-fg); }
.ink .muted, .ink .label { color: rgba(255,255,255,.72); }
.ink h2 { color: var(--ink-fg); }

/* Filters */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 20px 0 28px; }
.chip { border: 1px solid var(--rule); background: var(--paper); border-radius: 999px; padding: 8px 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.chip.active { background: var(--ink); border-color: var(--ink); color: var(--ink-fg); }

/* Tables / lists */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 12px; border-bottom: 1px solid var(--rule); }
.table th { font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-fg); }
.table-scroll { overflow-x: auto; }

/* Accordion */
.acc { border-top: 1px solid var(--rule); }
.acc details { border-bottom: 1px solid var(--rule); }
.acc summary { cursor: pointer; padding: 16px 0; font-family: var(--font-display); font-weight: 600; list-style: none; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; float: right; color: var(--ink); }
.acc details[open] summary::after { content: "–"; }
.acc .acc-body { padding-bottom: 16px; color: var(--muted-fg); font-size: 15px; }

/* Product page */
.product { display: grid; gap: 32px; padding: 32px 0; }
@media (min-width: 900px) { .product { grid-template-columns: 1fr 1fr; gap: 48px; } }
.product h1 { font-size: clamp(28px, 5vw, 42px); font-weight: 600; }
.spec { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
.spec div { border: 1px solid var(--rule); border-radius: var(--radius); padding: 12px; background: var(--paper); }
.qty { display: flex; align-items: center; gap: 10px; }
.qty input { width: 68px; padding: 10px; border: 1px solid var(--rule); border-radius: var(--radius); font: inherit; }

/* Long form */
.longform { background: var(--muted); }
.longform article { max-width: 780px; margin: 0 auto; }
.longform h2 { font-size: clamp(24px, 4vw, 34px); font-weight: 600; }
.longform h3 { font-size: 19px; font-weight: 600; margin-top: 32px; }
.longform p { margin-top: 12px; color: var(--muted-fg); font-size: 15.5px; }
.longform ul { margin-top: 12px; padding-left: 18px; }
.longform li { color: var(--muted-fg); font-size: 15.5px; }

/* Forms */
.field { display: block; margin-bottom: 16px; }
.field span { display: block; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px; border: 1px solid var(--rule); border-radius: var(--radius);
  font: inherit; background: var(--paper); color: var(--foreground);
}

/* Cart drawer */
.cart-overlay { position: fixed; inset: 0; background: rgba(36,26,18,.45); opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 90; }
.cart-overlay.open { opacity: 1; pointer-events: auto; }
.cart-drawer { position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 92vw); background: var(--paper); z-index: 100; transform: translateX(100%); transition: transform .25s ease; display: flex; flex-direction: column; }
.cart-drawer.open { transform: translateX(0); }
.cart-head, .cart-foot { padding: 18px 20px; border-bottom: 1px solid var(--rule); display: flex; justify-content: space-between; align-items: center; }
.cart-foot { border-bottom: 0; border-top: 1px solid var(--rule); display: block; }
.cart-items { flex: 1; overflow-y: auto; padding: 12px 20px; }
.cart-item { display: grid; grid-template-columns: 56px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.cart-count { background: var(--ink); color: var(--ink-fg); border-radius: 999px; font-family: var(--font-mono); font-size: 10px; padding: 1px 6px; margin-left: 4px; }

/* Footer */
.site-footer { background: var(--ink); color: var(--ink-fg); margin-top: 72px; padding: 56px 0 32px; }
.footer-grid { display: grid; gap: 32px; }
@media (min-width: 800px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; } }
.site-footer a:hover { color: var(--signal); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.2); margin-top: 40px; padding-top: 20px; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }