/* ═══════════════════════════════════════════════════════════════════════════
   ARISTOTLE COMPOUNDS — Research-Grade Peptide Sciences
   Design: Dark scholarly premium — obsidian backgrounds, gold accents
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── FONTS & IMPORTS ──────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

/* ─── CSS VARIABLES ────────────────────────────────────────────────────────── */
:root {
  --bg:           #FFFFFF;
  --black:        #0A2540;
  --obsidian:     #F4F7FB;
  --surface:      #FFFFFF;
  --surface-2:    #F4F7FB;
  --surface-3:    #E8EEF6;
  --border:       rgba(15,35,56,0.12);
  --border-bright:rgba(15,35,56,0.26);
  --gold:         #2F7FD6;
  --gold-light:   #1C5FA8;
  --gold-pale:    rgba(47,127,214,0.09);
  --cream:        #0F2338;
  --cream-dim:    #5B6B7C;
  --white:        #FFFFFF;
  --red:          #C0392B;
  --green:        #2F7D5C;
  --navy:         #0A2540;
  --navy-deep:    #071B2F;
  --sky:          #7FB2E5;
  --font-serif:   'Sora', 'Inter', system-ui, sans-serif;
  --font-sans:    'Inter', system-ui, sans-serif;
  --nav-h:        72px;
  --radius:       6px;
  --radius-lg:    12px;
  --shadow:       0 8px 24px rgba(15,35,56,0.08);
  --shadow-gold:  0 12px 30px rgba(47,127,214,0.16);
  --transition:   0.22s ease;
}

/* ─── RESET & BASE ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--cream);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold-light); }

img { display: block; max-width: 100%; }

button {
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition);
}

input, select, textarea {
  font-family: var(--font-sans);
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
  color: var(--cream);
}

/* ─── UTILITY ──────────────────────────────────────────────────────────────── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.text-gold { color: var(--gold); }
.text-dim  { color: var(--cream-dim); }
.serif     { font-family: var(--font-serif); }

/* ─── GREEK ORNAMENT DIVIDER ───────────────────────────────────────────────── */
.ornament {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--gold);
  font-size: 18px;
  margin: 48px 0;
}
.ornament::before,
.ornament::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold), transparent);
}
.ornament.no-margin { margin: 0; }

/* ─── NAVIGATION ───────────────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(251,247,238,0.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: border-color var(--transition), background var(--transition);
}
#navbar.scrolled {
  background: rgba(251,247,238,0.97);
  border-color: var(--border-bright);
}

.nav-inner {
  display: flex;
  align-items: center;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 42px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin-left: auto;
}
.nav-links li a {
  display: block;
  padding: 8px 16px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav-links li a:hover,
.nav-links li a.active {
  color: var(--gold);
  background: var(--gold-pale);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 24px;
}

.nav-search-btn, .nav-cart-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: transparent;
  color: var(--cream-dim);
  font-size: 16px;
  transition: all var(--transition);
}
.nav-search-btn:hover, .nav-cart-btn:hover {
  color: var(--gold);
  background: var(--gold-pale);
}

.nav-cart-btn {
  position: relative;
}
.cart-badge {
  position: absolute;
  top: 6px; right: 6px;
  width: 16px; height: 16px;
  background: var(--gold);
  color: var(--black);
  font-size: 9px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  display: none;
}
.cart-badge.show { display: flex; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: none;
  cursor: pointer;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cream-dim);
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--obsidian);
  border-bottom: 1px solid var(--border);
  padding: 24px 32px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 0;
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-dim);
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--gold); }

/* ─── SHOP CATEGORIES DROPDOWN (desktop) ──────────────────────────────────── */
.nav-dropdown { position: relative; }

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 16px;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}
.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active,
.nav-dropdown-toggle[aria-expanded="true"] {
  color: var(--gold);
  background: var(--gold-pale);
}
.nav-caret {
  font-size: 9px;
  transition: transform var(--transition);
  position: relative;
  top: 1px;
}
.nav-dropdown-toggle[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translate(-50%, -6px);
  width: 600px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 1001;
}
.nav-dropdown-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}
.nav-dropdown-menu .nav-dropdown-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--cream-dim);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  line-height: 1.35;
  transition: background var(--transition), color var(--transition);
}
.nav-dropdown-menu .nav-dropdown-item:hover { background: var(--gold-pale); color: var(--cream); }
.nav-dropdown-menu .nav-dropdown-item .cat-label { flex: 1; }
.nav-dropdown-menu .nav-dropdown-item.all-link {
  grid-column: 1 / -1;
  color: var(--gold);
  font-weight: 600;
  align-items: center;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 0 12px 12px;
  margin-bottom: 8px;
}
.nav-dropdown-count {
  font-size: 10px;
  color: var(--cream-dim);
  background: var(--surface-2);
  padding: 2px 7px;
  border-radius: 50px;
  flex-shrink: 0;
  margin-top: 1px;
  white-space: nowrap;
}

/* ─── SHOP CATEGORIES ACCORDION (mobile) ──────────────────────────────────── */
.mobile-submenu-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 0;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-dim);
  cursor: pointer;
}
.mobile-submenu-toggle:hover,
.mobile-submenu-toggle[aria-expanded="true"] { color: var(--gold); }
.mobile-submenu-toggle[aria-expanded="true"] .nav-caret { transform: rotate(180deg); }

.mobile-submenu-panel {
  display: none;
  flex-direction: column;
  padding: 4px 0 4px 16px;
}
.mobile-submenu-panel.open { display: flex; }
.mobile-submenu-panel .mobile-submenu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: normal;
  color: var(--cream-dim);
  border-bottom: 1px solid var(--border);
}
.mobile-submenu-panel .mobile-submenu-link:last-child { border-bottom: none; }
.mobile-submenu-panel .mobile-submenu-link:hover { color: var(--gold); }
.mobile-submenu-panel .mobile-submenu-link.all-link { color: var(--gold); font-weight: 600; }

@media (max-width: 640px) {
  .nav-dropdown-menu { width: 92vw; grid-template-columns: 1fr; }
}

/* ─── SEARCH OVERLAY ───────────────────────────────────────────────────────── */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28,22,13,0.78);
  z-index: 2000;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
}
.search-overlay.open { display: flex; }
.search-box {
  width: 100%;
  max-width: 640px;
  padding: 0 32px;
}
.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-input-wrap input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-bright);
  color: var(--cream);
  font-size: 20px;
  font-family: var(--font-serif);
  padding: 16px 56px 16px 20px;
  border-radius: var(--radius);
}
.search-input-wrap input::placeholder { color: var(--cream-dim); }
.search-close {
  position: absolute; right: 16px;
  background: none;
  color: var(--cream-dim);
  font-size: 20px;
  padding: 4px;
}
.search-close:hover { color: var(--gold); }
.search-results { margin-top: 16px; }
.search-result-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition);
}
.search-result-item:hover { background: var(--gold-pale); }
.search-result-name { font-weight: 500; font-size: 14px; color: var(--cream); }
.search-result-cat  { font-size: 11px; color: var(--gold); text-transform: uppercase; letter-spacing: 0.1em; }

/* ─── CART PANEL ───────────────────────────────────────────────────────────── */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1500;
  display: none;
}
.cart-overlay.open { display: block; }

.cart-panel {
  position: fixed;
  top: 0; right: 0;
  width: 440px;
  height: 100%;
  background: var(--obsidian);
  border-left: 1px solid var(--border);
  z-index: 1501;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
}
.cart-panel.open { transform: translateX(0); }

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border);
}
.cart-header h3 {
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.06em;
}
.cart-close-btn {
  background: none;
  color: var(--cream-dim);
  font-size: 22px;
  padding: 4px;
}
.cart-close-btn:hover { color: var(--gold); }

.cart-items { flex: 1; overflow-y: auto; padding: 20px 28px; }

.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  gap: 12px;
  color: var(--cream-dim);
}
.cart-empty-icon { font-size: 48px; opacity: 0.3; }

.cart-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item-info { flex: 1; }
.cart-item-name { font-size: 14px; font-weight: 500; color: var(--cream); }
.cart-item-size { font-size: 12px; color: var(--cream-dim); margin-top: 2px; }
.cart-item-price { font-size: 14px; color: var(--gold); margin-top: 4px; }
.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.qty-btn {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--cream);
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
}
.qty-btn:hover { border-color: var(--gold); color: var(--gold); }
.qty-num { font-size: 13px; min-width: 20px; text-align: center; }
.remove-item-btn {
  background: none;
  color: var(--cream-dim);
  font-size: 18px;
  padding: 4px;
  align-self: flex-start;
}
.remove-item-btn:hover { color: var(--red); }

.cart-footer {
  padding: 20px 28px;
  border-top: 1px solid var(--border);
}
.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-size: 16px;
  font-family: var(--font-serif);
}
.cart-total span:last-child { color: var(--gold); font-size: 20px; }
.btn-checkout {
  width: 100%;
  padding: 14px;
  background: var(--gold);
  color: var(--black);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
}
.btn-checkout:hover { background: var(--gold-light); }

/* ─── BUTTONS ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--gold);
  color: var(--black);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-bright);
  color: var(--cream);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-pale); }

.btn-ghost {
  background: transparent;
  color: var(--cream-dim);
  padding: 8px 16px;
}
.btn-ghost:hover { color: var(--gold); }

.btn-lg { padding: 16px 40px; font-size: 12px; }
.btn-sm { padding: 8px 18px; font-size: 10px; }

/* ─── HERO ─────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(168,118,38,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(168,118,38,0.07) 0%, transparent 50%),
    var(--bg);
}

/* Greek geometric pattern overlay */
.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse at 60% 40%, rgba(0,0,0,0.6) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 80px 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--gold);
}

.hero h1 {
  font-size: clamp(48px, 6vw, 88px);
  font-weight: 400;
  line-height: 1.05;
  color: var(--cream);
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: italic;
  color: var(--gold);
}

.hero-desc {
  font-size: 16px;
  color: var(--cream-dim);
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 300;
  color: var(--gold);
}
.hero-stat-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cream-dim);
  margin-top: 4px;
}

/* Hero right — decorative card mosaic */
.hero-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.hero-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-3px);
}
.hero-card.large { grid-column: 1 / -1; padding: 28px; }
.hero-card-icon { font-size: 28px; margin-bottom: 12px; }
.hero-card-title {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--cream);
  margin-bottom: 6px;
}
.hero-card-text { font-size: 12px; color: var(--cream-dim); line-height: 1.6; }
.hero-card-badge {
  display: inline-block;
  padding: 3px 10px;
  background: var(--gold-pale);
  border: 1px solid var(--border-bright);
  color: var(--gold);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: 50px;
  margin-bottom: 12px;
}

/* ─── SECTION HEADERS ──────────────────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  width: 24px; height: 1px;
  background: var(--gold);
}
.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 16px;
}
.section-title em { font-style: italic; color: var(--gold); }
.section-desc {
  font-size: 15px;
  color: var(--cream-dim);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ─── PAGE SECTIONS ────────────────────────────────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--obsidian); }
.section-surface { background: var(--surface); }

/* ─── CATEGORY GRID ────────────────────────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.category-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gold-pale);
  opacity: 0;
  transition: opacity var(--transition);
}
.category-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}
.category-card:hover::before { opacity: 1; }
.category-card:hover .cat-icon { transform: scale(1.1); }

.cat-icon {
  font-size: 32px;
  margin-bottom: 16px;
  transition: transform var(--transition);
}
.cat-name {
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--cream);
  margin-bottom: 6px;
  position: relative;
}
.cat-count {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.1em;
  position: relative;
}

/* ─── PRODUCT CARDS ────────────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}
.product-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product-img {
  height: 180px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  position: relative;
  overflow: hidden;
}
.product-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, var(--surface) 100%);
}
/* Product photo (vial) cards */
.product-img.has-photo { background: #131313; }
.product-img.has-photo::after { display: none; }
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 10px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 50px;
  z-index: 1;
}
.badge-premium    { background: rgba(196,152,60,0.9); color: var(--black); }
.badge-bestseller { background: var(--gold); color: var(--black); }
.badge-new        { background: rgba(58,138,106,0.9); color: #fff; }
.badge-popular    { background: rgba(100,100,180,0.9); color: #fff; }
.badge-toprated   { background: rgba(196,152,60,0.9); color: var(--black); }
.badge-stable     { background: rgba(80,80,80,0.9); color: #fff; }
.badge-specialized{ background: rgba(120,60,120,0.9); color: #fff; }
.badge-free       { background: rgba(58,138,106,0.9); color: #fff; }
.badge-outofstock { background: rgba(177,74,48,0.92); color: #fff; }

.product-card.out-of-stock .product-img { opacity: 0.55; }
.product-card.out-of-stock .product-name { color: var(--cream-dim); }

.btn-disabled {
  background: var(--surface-3);
  color: var(--cream-dim);
  cursor: not-allowed;
}
.btn-disabled:hover { background: var(--surface-3); transform: none; }

.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-sku  { font-size: 10px; letter-spacing: 0.14em; color: var(--gold); text-transform: uppercase; margin-bottom: 6px; }
.product-name {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-blurb { font-size: 12px; color: var(--cream-dim); line-height: 1.6; margin-bottom: 16px; flex: 1; }

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.product-purity {
  font-size: 11px;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 5px;
}
.product-purity::before { content: '◆'; font-size: 7px; }
.product-price {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--cream);
}
.product-price span { font-size: 12px; color: var(--cream-dim); }

.product-actions {
  display: flex;
  gap: 8px;
}
.product-actions .btn {
  flex: 1;
  padding: 10px 12px;
  font-size: 10px;
}

/* ─── SHOP PAGE ────────────────────────────────────────────────────────────── */
.shop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding-top: calc(var(--nav-h) + 48px);
  padding-bottom: 80px;
}

/* Sidebar */
.shop-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  height: fit-content;
}

.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}

.sidebar-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 400;
  color: var(--cream);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.filter-list { list-style: none; }
.filter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-size: 13px;
  color: var(--cream-dim);
  user-select: none;
}
.filter-item:hover { background: var(--gold-pale); color: var(--cream); }
.filter-item.active { background: var(--gold-pale); color: var(--gold); border-left: 2px solid var(--gold); padding-left: 10px; }
.filter-count {
  font-size: 11px;
  background: var(--surface-2);
  padding: 2px 7px;
  border-radius: 50px;
}

/* Shop header bar */
.shop-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.shop-result-count {
  font-size: 13px;
  color: var(--cream-dim);
}
.shop-result-count strong { color: var(--cream); }

.shop-search {
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 14px;
  gap: 10px;
  min-width: 240px;
}
.shop-search input {
  background: none;
  border: none;
  color: var(--cream);
  font-size: 13px;
  width: 100%;
}
.shop-search input::placeholder { color: var(--cream-dim); }
.shop-search-icon { color: var(--cream-dim); font-size: 14px; }

.sort-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--cream);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius);
  cursor: pointer;
}
.sort-select:focus { border-color: var(--gold); }

/* ─── PRODUCT DETAIL PAGE ──────────────────────────────────────────────────── */
.product-detail {
  padding-top: calc(var(--nav-h) + 48px);
  padding-bottom: 80px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--cream-dim);
  margin-bottom: 40px;
}
.breadcrumb a { color: var(--cream-dim); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb-sep { color: var(--border-bright); }

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.product-detail-img {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 100px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  overflow: hidden;
}
.product-detail-img.has-photo { background: #131313; }
.product-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-detail-name {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  color: var(--cream);
  margin-bottom: 8px;
}
.product-detail-sku {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.product-detail-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.detail-meta-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--gold-pale);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 12px;
  color: var(--cream-dim);
}
.detail-meta-pill strong { color: var(--gold); }

.product-detail-price {
  font-family: var(--font-serif);
  font-size: 42px;
  color: var(--cream);
  margin-bottom: 4px;
}
.product-detail-price-note {
  font-size: 12px;
  color: var(--cream-dim);
  margin-bottom: 28px;
}

.size-selector { margin-bottom: 28px; }
.size-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-dim);
  margin-bottom: 12px;
}
.size-options { display: flex; gap: 8px; flex-wrap: wrap; }
.size-btn {
  padding: 8px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--cream-dim);
  font-size: 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
.size-btn:hover { border-color: var(--border-bright); color: var(--cream); }
.size-btn.selected { background: var(--gold-pale); border-color: var(--gold); color: var(--gold); }

.qty-selector {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}
.qty-selector-label {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cream-dim);
}
.qty-control {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.qty-dec, .qty-inc {
  width: 36px; height: 36px;
  background: var(--surface);
  color: var(--cream-dim);
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.qty-dec:hover, .qty-inc:hover { background: var(--gold-pale); color: var(--gold); }
.qty-val {
  width: 44px;
  text-align: center;
  font-size: 14px;
  color: var(--cream);
  background: var(--surface-2);
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 0;
  height: 36px;
  line-height: 36px;
}

.product-action-row {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}
.product-action-row .btn { flex: 1; padding: 14px; }

.product-detail-blurb {
  font-size: 14px;
  color: var(--cream-dim);
  line-height: 1.8;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}

.product-handling {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.product-handling-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.product-handling-text { font-size: 12px; color: var(--cream-dim); line-height: 1.7; }

/* Product tabs */
.product-tabs {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 32px;
}
.tab-btn {
  padding: 12px 24px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cream-dim);
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
}
.tab-btn.active { color: var(--gold); border-color: var(--gold); }
.tab-btn:hover { color: var(--cream); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── EDUCATION PAGE ───────────────────────────────────────────────────────── */
.edu-hero {
  background: var(--obsidian);
  padding: calc(var(--nav-h) + 64px) 0 80px;
  text-align: center;
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.edu-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.edu-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}
.edu-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gold-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.edu-card-icon svg { width: 26px; height: 26px; stroke: var(--gold); }
.edu-card-title {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--cream);
  margin-bottom: 12px;
}
.edu-card-text { font-size: 13px; color: var(--cream-dim); line-height: 1.8; }
.edu-card-study {
  font-size: 12px;
  color: var(--cream-dim);
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.edu-card-study a { font-weight: 600; }
.edu-card-study span.sep { margin: 0 6px; opacity: 0.5; }

/* ─── RESEARCH DISCLAIMER BANNER ───────────────────────────────────────────── */
.disclaimer-banner {
  background: rgba(47,127,214,0.05);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 32px;
  font-size: 12px;
  color: var(--cream-dim);
  line-height: 1.7;
}
.disclaimer-banner strong { color: var(--gold); }

/* ─── TRUST BADGES / FEATURES ──────────────────────────────────────────────── */
.trust-bar {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.trust-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--cream-dim);
}
.trust-icon { font-size: 22px; color: var(--gold); }
.trust-item strong { color: var(--cream); }

/* ─── FOOTER ───────────────────────────────────────────────────────────────── */
footer {
  background: var(--obsidian);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--cream);
  margin-bottom: 4px;
}
.footer-brand-sub {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.footer-desc { font-size: 13px; color: var(--cream-dim); line-height: 1.8; }
.footer-col-title {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cream);
  margin-bottom: 20px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links li a { font-size: 13px; color: var(--cream-dim); }
.footer-links li a:hover { color: var(--gold); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11px;
  color: var(--cream-dim);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-disclaimer {
  font-size: 11px;
  color: rgba(36,29,18,0.55);
  max-width: 700px;
  line-height: 1.6;
}

/* ─── TOAST NOTIFICATIONS ──────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 32px; right: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--surface-2);
  border: 1px solid var(--border-bright);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  font-size: 13px;
  color: var(--cream);
  min-width: 280px;
  max-width: 360px;
  animation: toast-in 0.3s ease;
}
.toast.removing { animation: toast-out 0.3s ease forwards; }
.toast-icon { font-size: 18px; }
@keyframes toast-in { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }
@keyframes toast-out { from { opacity:1; transform:translateX(0); } to { opacity:0; transform:translateX(20px); } }

/* ─── PAGE LOADING ─────────────────────────────────────────────────────────── */
.page-header {
  padding: calc(var(--nav-h) + 48px) 0 48px;
  background: var(--obsidian);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.page-header h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
}

/* ─── EMPTY / NO RESULTS ───────────────────────────────────────────────────── */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 20px;
  color: var(--cream-dim);
}
.no-results-icon { font-size: 56px; margin-bottom: 16px; opacity: 0.3; }

/* ─── SCROLL TO TOP ────────────────────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 32px; left: 32px;
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border-bright);
  color: var(--cream-dim);
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  z-index: 500;
  transition: all var(--transition);
}
.scroll-top.show { display: flex; }
.scroll-top:hover { background: var(--gold); color: var(--black); border-color: var(--gold); }

/* ─── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 1200px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .product-grid  { grid-template-columns: repeat(3, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; padding: 60px 32px; }
  .hero-visual  { display: none; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .product-detail-img { position: static; height: 300px; }
  .shop-layout { grid-template-columns: 1fr; }
  .shop-sidebar { position: static; }
  .edu-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .container { padding: 0 20px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .product-grid  { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero-stat-num { font-size: 28px; }
  .trust-inner { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cart-panel { width: 100%; }
  .section { padding: 64px 0; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .product-detail-grid { gap: 24px; }
  .product-action-row { flex-direction: column; }
}

/* ─── AGE / RESEARCH VERIFICATION GATE ────────────────────────────────────── */
.gate-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,8,4,0.82);
  backdrop-filter: blur(3px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.gate-modal {
  background: var(--black);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px 28px;
  position: relative;
}
.gate-close {
  position: absolute;
  top: 14px; right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius);
}
.gate-close:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.gate-title {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--white);
  text-align: center;
  margin-bottom: 20px;
}
.gate-warning {
  background: rgba(255,255,255,0.05);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 24px;
}
.gate-warning strong {
  display: block;
  color: var(--gold);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
  line-height: 1.5;
}
.gate-warning p {
  color: rgba(255,255,255,0.65);
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}
.gate-label {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  margin: 16px 0 6px;
}
.gate-input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--white);
}
.gate-input:focus { outline: none; border-color: var(--gold); }
select.gate-input { appearance: none; cursor: pointer; }
.gate-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 16px;
  cursor: pointer;
}
.gate-checkbox-row input[type="checkbox"] {
  accent-color: var(--gold);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}
.gate-checkbox-row span {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  line-height: 1.5;
}
.gate-submit {
  width: 100%;
  margin-top: 24px;
  padding: 14px;
  font-size: 12px;
}
@media (max-width: 480px) {
  .gate-modal { padding: 24px 20px; }
}

/* ─── LIGHT-THEME FORM FIELDS (Contact, Wholesale, etc.) ─────────────────── */
.form-field { margin-bottom: 20px; }
.form-field label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cream-dim);
  margin-bottom: 8px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-size: 14px;
  color: var(--cream);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus { border-color: var(--gold); }
.form-field textarea { resize: vertical; min-height: 120px; }
.info-page-section { max-width: 760px; }
.info-page-section h2 {
  font-size: 22px;
  margin: 40px 0 14px;
}
.info-page-section h2:first-child { margin-top: 0; }
.info-page-section p, .info-page-section li {
  color: var(--cream-dim);
  line-height: 1.8;
  font-size: 15px;
}
.info-page-section ul { padding-left: 20px; margin: 12px 0; }
.form-success {
  display: none;
  background: var(--gold-pale);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: var(--gold);
  margin-bottom: 24px;
}
.form-success.show { display: block; }

/* ═══════════════════════════════════════════════════════
   CHECKOUT & DIGITAL INVOICE
   ═══════════════════════════════════════════════════════ */
.checkout-overlay{position:fixed;inset:0;background:rgba(20,15,8,0.6);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .25s;z-index:2000;}
.checkout-overlay.open{opacity:1;visibility:visible;}
.checkout-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-48%) scale(.98);width:min(760px,94vw);max-height:92vh;overflow:auto;background:#fff;color:#241D12;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:all .25s;z-index:2001;}
.checkout-modal.open{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1);}
.checkout-x{position:absolute;top:14px;right:14px;width:34px;height:34px;border:none;border-radius:50%;background:rgba(0,0,0,.06);color:#241D12;font-size:16px;cursor:pointer;z-index:3;}
.checkout-x:hover{background:rgba(0,0,0,.12);}
#checkout-body{padding:34px 38px 30px;}

/* form */
.co-head h2{font-family:var(--font-serif);font-size:30px;font-weight:500;color:#241D12;margin:0 0 4px;}
.co-sub{color:#6E6253;font-size:13px;margin:0 0 20px;}
.co-form label{display:block;font-size:12px;font-weight:600;letter-spacing:.03em;color:#4a4034;margin-bottom:14px;text-transform:uppercase;}
.co-form label span{color:#A8762A;margin-left:2px;}
.co-form input{display:block;width:100%;margin-top:6px;padding:11px 13px;border:1px solid #d9cfba;border-radius:8px;font-size:14px;font-family:var(--font-sans);color:#241D12;background:#fff;text-transform:none;letter-spacing:0;font-weight:400;}
.co-form input:focus{outline:none;border-color:#A8762A;box-shadow:0 0 0 3px rgba(168,118,38,.15);}
.co-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.co-3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;}
.co-summary{margin:8px 0 4px;border-top:1px solid #eadfca;padding-top:14px;}
.co-summary>div{display:flex;justify-content:space-between;font-size:14px;color:#4a4034;margin-bottom:6px;}
.co-summary-total{font-weight:700;font-size:17px;color:#241D12;border-top:1px solid #eadfca;padding-top:10px;margin-top:6px;}
.co-note{font-size:12px;color:#6E6253;background:#FBF7EE;border:1px solid #eadfca;border-radius:8px;padding:11px 13px;margin:14px 0;}
.co-err{background:#fbe9e5;border:1px solid #e0b3a6;color:#a33d22;font-size:13px;padding:10px 12px;border-radius:8px;margin-bottom:12px;}
.co-submit{width:100%;justify-content:center;padding:14px;font-size:14px;}

/* invoice */
.invoice{color:#241D12;font-family:var(--font-sans);}
.inv-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;}
.inv-logo{height:64px;width:auto;object-fit:contain;}
.inv-title{text-align:right;}
.inv-word{font-family:var(--font-serif);font-size:42px;font-weight:700;letter-spacing:.02em;line-height:1;color:#241D12;}
.inv-meta{font-size:13px;color:#4a4034;margin-top:4px;}
.inv-rule{border:none;border-top:1px solid #d9cfba;margin:18px 0 22px;}
.inv-parties{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:26px;}
.inv-label{font-size:11px;font-weight:700;letter-spacing:.14em;color:#A8762A;margin-bottom:8px;}
.inv-strong{font-weight:700;font-size:15px;color:#241D12;margin-bottom:3px;}
.inv-muted{font-size:13px;color:#6E6253;line-height:1.55;}
.inv-table{width:100%;border-collapse:collapse;margin-bottom:18px;}
.inv-table thead th{background:#21190F;color:#F1E9D8;font-size:11px;font-weight:700;letter-spacing:.08em;text-align:left;padding:12px 14px;}
.inv-table tbody td{font-size:13px;color:#3a3226;padding:14px;border-bottom:1px solid #eadfca;}
.inv-table tbody tr.alt td{background:#FBF7EE;}
.inv-table tbody{border-bottom:2px solid #A8762A;}
.inv-item{font-weight:600;color:#241D12;}
.inv-amt{text-align:right;}
.inv-table th.inv-amt{text-align:right;}
.inv-totals{width:280px;margin-left:auto;margin-bottom:22px;}
.inv-totals>div{display:flex;justify-content:space-between;font-size:14px;color:#4a4034;padding:6px 0;}
.inv-total-due{border-top:1px solid #A8762A;margin-top:4px;padding-top:12px !important;font-weight:700;font-size:19px;color:#241D12;}
.inv-thanks{font-style:italic;color:#4a4034;font-size:15px;margin:6px 0 26px;}
.inv-pay{display:flex;gap:22px;align-items:flex-start;background:#FBF7EE;border:1px solid #eadfca;border-radius:10px;padding:20px 22px;margin-bottom:22px;}
.inv-qr{width:130px;height:130px;object-fit:contain;border-radius:8px;background:#fff;border:1px solid #eadfca;}
.inv-pay p{margin:2px 0;}
.inv-disclaimer{font-size:11px;color:#8a7f6d;line-height:1.55;border-top:1px solid #eadfca;padding-top:16px;}
.inv-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:22px;}
.inv-actions .btn{padding:12px 22px;}

@media (max-width:600px){
  #checkout-body{padding:26px 20px;}
  .co-2,.co-3{grid-template-columns:1fr;}
  .inv-word{font-size:32px;}
  .inv-parties{grid-template-columns:1fr;}
  .inv-pay{flex-direction:column;align-items:center;text-align:center;}
  .inv-totals{width:100%;}
  .inv-table{display:block;overflow-x:auto;}
}

/* print: show only the invoice */
@media print{
  body *{visibility:hidden !important;}
  #checkout-overlay{display:none !important;}
  #checkout-modal,#checkout-modal *{visibility:visible !important;}
  #checkout-modal{position:absolute !important;inset:0 !important;transform:none !important;width:100% !important;max-height:none !important;box-shadow:none !important;border-radius:0 !important;overflow:visible !important;}
  .checkout-x,.inv-actions{display:none !important;}
  #checkout-body{padding:0 !important;}
}

/* ═══════════════════════════════════════════════════════
   NAVY BIOTECH REDESIGN — component overrides
   ═══════════════════════════════════════════════════════ */
body { background: var(--bg); color: var(--cream); }
h1,h2,h3,h4,h5,h6 { letter-spacing: -0.01em; }

/* Navigation → clean white */
#navbar { background: rgba(255,255,255,0.92); border-bottom: 1px solid var(--border); }
#navbar.scrolled { background: rgba(255,255,255,0.98); border-color: var(--border-bright); box-shadow: 0 1px 12px rgba(15,35,56,0.06); }

/* Buttons → solid navy-blue with white text */
.btn-primary { background: var(--gold); color: #fff; }
.btn-primary:hover { background: var(--gold-light); }
.btn-checkout { color: #fff; }
.btn-outline { border: 1px solid var(--border-bright); color: var(--cream); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-pale); }

/* HERO → navy statement section */
.hero { background: var(--navy); }
.hero-bg {
  background:
    radial-gradient(ellipse 70% 60% at 72% 28%, rgba(47,127,214,0.30) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 14% 86%, rgba(47,127,214,0.16) 0%, transparent 55%),
    var(--navy);
}
.hero-bg::before {
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  opacity: 1;
  mask-image: radial-gradient(ellipse at 65% 35%, rgba(0,0,0,0.7) 0%, transparent 72%);
}
.hero-eyebrow { color: var(--sky); }
.hero-eyebrow::before { background: var(--sky); }
.hero h1 { color: #fff; font-weight: 600; }
.hero h1 em { color: var(--sky); font-style: normal; }
.hero-desc { color: rgba(255,255,255,0.74); }
.hero-stats { border-top: 1px solid rgba(255,255,255,0.16); }
.hero-stat-num { color: #fff; font-weight: 600; }
.hero-stat-label { color: rgba(255,255,255,0.6); }
.hero .btn-outline { color: #fff; border-color: rgba(255,255,255,0.34); }
.hero .btn-outline:hover { background: rgba(255,255,255,0.10); border-color: #fff; color: #fff; }

/* Section headings — em accent becomes clean blue, upright */
.section-title { font-weight: 600; }
.section-title em { color: var(--gold); font-style: normal; }

/* Category / product image areas — clinical navy */
.product-img.has-photo { background: #0e1c2c; }

/* Product badges → clean clinical palette */
.badge-premium    { background: var(--navy);  color: #fff; }
.badge-bestseller { background: var(--gold);  color: #fff; }
.badge-new        { background: var(--green); color: #fff; }
.badge-popular    { background: #3f5ba9;      color: #fff; }
.badge-toprated   { background: var(--navy);  color: #fff; }
.badge-stable     { background: #5f6b78;      color: #fff; }
.badge-specialized{ background: #5a4b8a;      color: #fff; }
.badge-free       { background: var(--green); color: #fff; }
.badge-outofstock { background: var(--red);   color: #fff; }

/* Trust bar + disclaimer accents */
.trust-icon { color: var(--gold); }
.trust-item strong { color: var(--cream); }
.disclaimer-banner strong { color: var(--gold); }

/* FOOTER → navy corporate */
footer { background: var(--navy); border-top: none; }
.footer-brand-name, .footer-col-title { color: #fff; }
.footer-brand-sub { color: var(--sky); }
.footer-desc, .footer-links li a, .footer-bottom { color: rgba(255,255,255,0.62); }
.footer-links li a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.12); }
.footer-disclaimer { color: rgba(255,255,255,0.42); }

/* Scroll-to-top */
.scroll-top:hover { background: var(--gold); color: #fff; border-color: var(--gold); }

/* ═══ ICON BADGES + UPGRADED CATEGORY CARDS ═══ */
.cat-icon, .hero-card-icon {
  width: 46px; height: 46px; border-radius: 10px;
  background: var(--gold-pale); color: var(--navy);
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 14px; font-size: 0; transition: all var(--transition);
}
.cat-icon svg, .hero-card-icon svg { width: 22px; height: 22px; }

.category-card { border-top: 2px solid var(--gold); }
.category-card::before { display: none; }
.category-card:hover {
  background: var(--navy); border-color: var(--navy);
  box-shadow: 0 12px 26px rgba(10,37,64,0.18);
}
.category-card:hover .cat-icon { background: var(--gold); color: #fff; transform: none; }
.category-card:hover .cat-name { color: #fff; }
.category-card:hover .cat-desc { color: rgba(255,255,255,0.72); }
.category-card:hover .cat-count { color: var(--sky); }
.cat-desc { font-size: 12px; color: var(--cream-dim); line-height: 1.5; margin-bottom: 14px; min-height: 34px; }
.cat-foot { display: flex; justify-content: space-between; align-items: center; }
.cat-arrow { opacity: 0; transform: translateX(-4px); transition: all var(--transition); color: #fff; font-size: 15px; }
.category-card:hover .cat-arrow { opacity: 1; transform: translateX(0); }

/* hero card icons stay navy-on-tint (cards are white) */
.hero-card:hover .hero-card-icon { background: var(--gold); color: #fff; }

/* Shop Quick Links — inline line icons */
.ql { display: inline-flex; align-items: center; gap: 9px; }
.ql-ico { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; }