/* ═══════════════════════════════════════════════════════════════
   Transcend Aminos — Design System v2
   Clinical white luxury · Premium aspirational · Animated
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* ── LIGHT (default) ── */
  --bg:            #ffffff;
  --bg-elev:       #f7f6f2;
  --bg-card:       #f0efe9;
  --bg-card-hover: #e8e6de;

  --border:        rgba(0,0,0,0.07);
  --border-strong: rgba(0,0,0,0.14);
  --border-bright: rgba(0,0,0,0.32);

  --text:   #080808;
  --text-2: rgba(8,8,8,0.62);
  --text-3: rgba(8,8,8,0.40);
  --text-4: rgba(8,8,8,0.22);

  --accent:      #080808;
  --accent-2:    #484848;
  --accent-warm: #c8a877;
  --accent-blue: #2056c8;

  --success: #16a34a;
  --warning: #b45309;
  --danger:  #dc2626;

  --chrome: linear-gradient(135deg, #7a7a7a 0%, #c8c8c8 28%, #888 48%, #d4d4d4 68%, #666 100%);

  --serif: 'Cormorant Garamond', 'Cormorant', Georgia, serif;
  --sans:  'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --sp-1: 4px;  --sp-2: 8px;   --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px;  --sp-7: 48px; --sp-8: 64px;
  --sp-9: 96px; --sp-10: 128px;

  --container: 1360px;
  --container-narrow: 960px;
  --radius: 2px;
  --radius-lg: 8px;

  --ease:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --dur-fast: 0.15s;
  --dur-ui:   0.25s;
  --dur-med:  0.40s;
  --dur-slow: 0.65s;
}

/* ── Dark theme override ── */
[data-theme="dark"] {
  --bg:            #050505;
  --bg-elev:       #0c0c0c;
  --bg-card:       #131313;
  --bg-card-hover: #181818;
  --border:        rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.14);
  --border-bright: rgba(255,255,255,0.28);
  --text:   #f4f3f0;
  --text-2: rgba(244,243,240,0.66);
  --text-3: rgba(244,243,240,0.42);
  --text-4: rgba(244,243,240,0.26);
  --accent:  #d8d8d8;
  --accent-2: #8a8a8a;
  --chrome: linear-gradient(180deg, #ffffff 0%, #d6d6d6 24%, #888 56%, #c8c8c8 78%, #6e6e6e 100%);
  --success: #5fc591; --warning: #e1b557; --danger: #e5615f;
}

[data-accent="gold"]  { --accent: #c8a877; --accent-2: #9b8252; }
[data-accent="blue"]  { --accent: #2056c8; --accent-2: #1640a0; }

/* ═══════════════════════════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════════════════════════ */

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}
@keyframes float-alt {
  0%, 100% { transform: translateY(-5px); }
  50%       { transform: translateY(9px); }
}
@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-9px); }
}
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in-left {
  from { opacity: 0; transform: translateX(-36px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fade-in-right {
  from { opacity: 0; transform: translateX(36px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scan-down {
  0%   { transform: translateY(0); opacity: 0; }
  5%   { opacity: 1; }
  92%  { opacity: 0.6; }
  100% { transform: translateY(100vh); opacity: 0; }
}
@keyframes badge-float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-5px); }
}
@keyframes counter-reveal {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes line-grow {
  from { transform: scaleX(0); transform-origin: left; }
  to   { transform: scaleX(1); transform-origin: left; }
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.28; }
}

/* ═══════════════════════════════════════════════════════════════
   SCROLL REVEAL SYSTEM
   ═══════════════════════════════════════════════════════════════ */

.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left {
  opacity: 0; transform: translateX(-28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

.reveal-right {
  opacity: 0; transform: translateX(28px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal-right.visible { opacity: 1; transform: translateX(0); }

.reveal-scale {
  opacity: 0; transform: scale(0.94);
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.16s; }
.d3 { transition-delay: 0.24s; } .d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.40s; } .d6 { transition-delay: 0.48s; }
.d7 { transition-delay: 0.56s; } .d8 { transition-delay: 0.64s; }

/* ═══════════════════════════════════════════════════════════════
   RESET
   ═══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: var(--sans); font-size: 16px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
a { color: inherit; text-decoration: none; }
input, textarea, select { font: inherit; color: inherit; background: none; border: 0; outline: 0; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }

/* ═══════════════════════════════════════════════════════════════
   TYPOGRAPHY
   ═══════════════════════════════════════════════════════════════ */

.font-serif { font-family: var(--serif); font-weight: 300; letter-spacing: -0.01em; }
.font-mono  { font-family: var(--mono); font-weight: 400; }
.eyebrow {
  font-family: var(--sans); font-size: 10.5px; letter-spacing: 0.24em;
  text-transform: uppercase; color: var(--text-3); font-weight: 500;
}
h1, h2, h3, h4 {
  font-family: var(--serif); font-weight: 300;
  margin: 0; letter-spacing: -0.025em; line-height: 1.0;
}
h1 { font-size: clamp(44px, 6.5vw, 100px); }
h2 { font-size: clamp(32px, 4vw, 60px); }
h3 { font-size: clamp(22px, 2.2vw, 34px); }
h4 { font-size: 20px; letter-spacing: -0.01em; }
p  { margin: 0; }
.italic-flourish { font-style: italic; font-weight: 300; }

/* ═══════════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.container        { max-width: var(--container); margin: 0 auto; padding: 0 40px; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 40px; }
.section    { padding: var(--sp-9) 0; }
.section-sm { padding: var(--sp-7) 0; }
.section-lg { padding: calc(var(--sp-9) * 1.4) 0; }
.divider { height: 1px; background: var(--border); margin: 0; border: 0; }
.chrome-rule { height: 1px; background: var(--chrome); opacity: 0.4; border: 0; margin: 0; }

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 15px 32px;
  font-size: 11px; letter-spacing: 0.20em; text-transform: uppercase;
  font-weight: 600; border-radius: var(--radius);
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              opacity var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap; border: 1px solid transparent;
}
.btn:active { transform: scale(0.97) !important; box-shadow: none !important; }
.btn-primary {
  background: var(--text); color: var(--bg);
}
.btn-primary:hover { opacity: 0.82; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,0.14); }
.btn-outline { border-color: var(--border-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--text); background: var(--bg-elev); transform: translateY(-1px); }
.btn-ghost { color: var(--text-2); padding-left: 0; padding-right: 0; }
.btn-ghost:hover { color: var(--text); }
.btn-sm  { padding: 10px 20px; font-size: 10px; }
.btn-lg  { padding: 18px 40px; font-size: 11.5px; letter-spacing: 0.22em; }
.btn[disabled] { opacity: 0.36; cursor: not-allowed; transform: none !important; }

/* ═══════════════════════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════════════════════ */

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.card:hover { border-color: var(--border-strong); box-shadow: 0 4px 24px rgba(0,0,0,0.06); }

/* ═══════════════════════════════════════════════════════════════
   BANNER
   ═══════════════════════════════════════════════════════════════ */

.banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 55;
  background: var(--text); color: var(--bg);
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  text-align: center; padding: 11px 16px; font-weight: 500;
}
.banner strong { font-weight: 700; }
[data-theme="dark"] .banner { background: var(--bg-elev); color: var(--text-2); border-bottom: 1px solid var(--border); }

/* Offset content for the fixed banner (which is now out of normal flow) */
main { padding-top: calc(var(--banner-h, 38px) + 12px); }

/* ═══════════════════════════════════════════════════════════════
   HEADER — transparent hero → frosted on scroll
   ═══════════════════════════════════════════════════════════════ */

.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background var(--dur-med) var(--ease), border-color var(--dur-med) var(--ease),
              box-shadow var(--dur-med) var(--ease);
  background: transparent;
  border-bottom: 1px solid transparent;
}
.header.header-solid {
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}
[data-theme="dark"] .header.header-solid {
  background: rgba(5,5,5,0.94); border-bottom-color: var(--border);
}
.header-row {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 32px;
  padding: var(--banner-h, 38px) 40px 0; min-height: 88px;
}
.header-brand {
  display: flex; align-items: center;
  background: transparent; border: 0; padding: 0;
  cursor: pointer; justify-self: start;
  transition: opacity var(--dur-fast) var(--ease);
}
.header-brand:hover { opacity: 0.68; }
.header-brand img {
  height: 56px; width: auto;
  transition: filter var(--dur-med) var(--ease);
}
/* Light default: invert white logo → dark */
.header-brand img { filter: invert(1); }
[data-theme="dark"] .header-brand img { filter: none; }

.header-nav {
  display: flex; gap: 44px;
  font-size: 10px; letter-spacing: 0.24em;
  text-transform: uppercase; font-weight: 600;
  color: var(--text-3); justify-self: center;
}
.header-nav button { transition: color var(--dur-fast) var(--ease); }
.header-nav button:hover { color: var(--text); }
.header-nav .active  { color: var(--text); }

.header-actions {
  display: flex; align-items: center; gap: 24px;
  font-size: 10px; letter-spacing: 0.24em;
  text-transform: uppercase; font-weight: 600;
  color: var(--text-3); justify-self: end;
}
.header-actions button { transition: color var(--dur-fast) var(--ease); }
.header-actions button:hover { color: var(--text); }

.cart-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border: 1px solid var(--border-strong);
  border-radius: 100px; color: var(--text);
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.cart-pill:hover { border-color: var(--text); background: var(--bg-elev); }
.cart-pill .count { font-family: var(--mono); font-size: 11px; }

@media (max-width: 960px) {
  .header-row { grid-template-columns: auto 1fr auto; gap: 16px; padding: var(--banner-h, 38px) 20px 0; min-height: 60px; }
  .header-nav { display: none; }
  .header-brand img { height: 40px; }
}

/* ═══════════════════════════════════════════════════════════════
   HERO — Split layout (type left / vial visual right)
   ═══════════════════════════════════════════════════════════════ */

.hero {
  display: grid; grid-template-rows: auto 1fr auto;
  min-height: 100vh;
  padding-top: 64px; /* clears the fixed header (which sits below the banner) */
  border-bottom: 1px solid var(--border);
}
/* Wholesale / bulk contact strip at the top of the hero */
.hero-wholesale {
  display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap;
  padding: 13px 24px; border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 13px; letter-spacing: 0.02em; color: var(--text-2); text-align: center;
}
.hero-wholesale .hw-label {
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--text-3); border: 1px solid var(--border-strong); padding: 4px 10px; flex-shrink: 0;
}
.hero-wholesale a {
  font-family: var(--mono); color: var(--text); font-weight: 500;
  text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border-strong);
  transition: text-decoration-color var(--dur-fast) var(--ease);
}
.hero-wholesale a:hover { text-decoration-color: var(--text); }
@media (max-width: 600px) { .hero-wholesale { font-size: 12px; padding: 11px 16px; gap: 10px; } }

.hero-split {
  display: grid; grid-template-columns: 54fr 46fr;
}
.hero-left {
  display: flex; flex-direction: column; justify-content: center;
  padding: 72px 64px 72px max(40px, calc((100vw - var(--container)) / 2 + 40px));
}
.hero-eyebrow-tag {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.32em;
  text-transform: uppercase; color: var(--text-3); margin-bottom: 32px;
  opacity: 0;
  animation: fade-in-up var(--dur-slow) var(--ease) 0.10s forwards;
}
.hero-live-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--success); flex-shrink: 0;
  animation: pulse-dot 2.4s ease-in-out infinite;
}
.hero-h1 {
  font-size: clamp(52px, 7.5vw, 114px);
  line-height: 0.90; margin-bottom: 36px;
  opacity: 0;
  animation: fade-in-up var(--dur-slow) var(--ease) 0.28s forwards;
}
.hero-h1 em {
  font-style: italic;
  color: var(--text);
  display: block;
}
.hero-sub {
  max-width: 460px; color: var(--text-2);
  font-size: 18px; line-height: 1.68;
  margin-bottom: 48px;
  opacity: 0;
  animation: fade-in-up var(--dur-slow) var(--ease) 0.46s forwards;
}
.hero-actions {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  opacity: 0;
  animation: fade-in-up var(--dur-slow) var(--ease) 0.62s forwards;
}

/* Right visual panel */
.hero-right {
  position: relative;
  background:
    radial-gradient(120% 88% at 50% 40%,
      #ffffff 0%,
      #faf9f4 36%,
      #f2f1ea 70%,
      #e9e7de 100%);
  border-left: 1px solid var(--border); overflow: hidden;
  opacity: 0;
  animation: fade-in var(--dur-slow) var(--ease) 0.20s forwards;
}
[data-theme="dark"] .hero-right {
  background:
    radial-gradient(120% 88% at 50% 40%,
      #1a1a1a 0%,
      #131313 40%,
      #0b0b0b 82%,
      #070707 100%);
}

/* Soft spotlight glow behind the vials */
.hv-glow {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background:
    radial-gradient(46% 40% at 50% 42%, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0) 70%);
}
[data-theme="dark"] .hv-glow {
  background:
    radial-gradient(46% 40% at 50% 42%, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 70%);
}

/* Corner frames */
.hv-corner {
  position: absolute; width: 20px; height: 20px;
  border-color: rgba(0,0,0,0.18); border-style: solid;
}
[data-theme="dark"] .hv-corner { border-color: rgba(255,255,255,0.2); }
.hv-corner.tl { top: 28px; left: 28px; border-width: 1.5px 0 0 1.5px; }
.hv-corner.tr { top: 28px; right: 28px; border-width: 1.5px 1.5px 0 0; }
.hv-corner.bl { bottom: 28px; left: 28px; border-width: 0 0 1.5px 1.5px; }
.hv-corner.br { bottom: 28px; right: 28px; border-width: 0 1.5px 1.5px 0; }

/* Vial composition stage */
.hv-stage {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  gap: 28px; padding: 40px 48px 172px; z-index: 2;
}
.hv-vial-left .placeholder-vial {
  width: 84px; opacity: 0.6;
  filter: drop-shadow(0 20px 36px rgba(0,0,0,0.12));
  animation: float-alt 7.2s ease-in-out infinite 1.4s;
  transform: translateY(-5px);
}
.hv-vial-center .placeholder-vial {
  width: 132px;
  filter: drop-shadow(0 32px 60px rgba(0,0,0,0.18));
  animation: float 6.8s ease-in-out infinite;
}
.hv-vial-right .placeholder-vial {
  width: 96px; opacity: 0.76;
  filter: drop-shadow(0 24px 44px rgba(0,0,0,0.14));
  animation: float-slow 8.4s ease-in-out infinite 2.4s;
}
[data-theme="dark"] .hv-vial-left .placeholder-vial { filter: drop-shadow(0 20px 36px rgba(0,0,0,0.5)); }
[data-theme="dark"] .hv-vial-center .placeholder-vial { filter: drop-shadow(0 32px 60px rgba(0,0,0,0.6)); }
[data-theme="dark"] .hv-vial-right .placeholder-vial { filter: drop-shadow(0 24px 44px rgba(0,0,0,0.55)); }

/* Real product photos in the hero — floating framed tiles */
.hv-stage .product-photo {
  display: block; object-fit: cover; object-position: center 46%;
  aspect-ratio: 3 / 4; border-radius: 12px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.15), 0 2px 10px rgba(0,0,0,0.08);
}
.hv-vial-left .product-photo {
  width: 120px; opacity: 0.9; transform: translateY(-5px);
  animation: float-alt 7.2s ease-in-out infinite 1.4s;
}
.hv-vial-center .product-photo {
  width: 176px; z-index: 3;
  animation: float 6.8s ease-in-out infinite;
}
.hv-vial-right .product-photo {
  width: 138px; opacity: 0.95;
  animation: float-slow 8.4s ease-in-out infinite 2.4s;
}

/* Floating data badges */
.hv-badge {
  position: absolute; background: rgba(255,255,255,0.95);
  border: 1px solid var(--border-strong);
  padding: 14px 20px;
  box-shadow: 0 6px 28px rgba(0,0,0,0.09), 0 1px 4px rgba(0,0,0,0.04);
  z-index: 3;
  backdrop-filter: blur(8px);
  opacity: 0;
  animation: badge-float 4.5s ease-in-out infinite, fade-in 0.6s var(--ease) 1.1s forwards;
}
[data-theme="dark"] .hv-badge {
  background: rgba(20,20,20,0.9);
  border-color: var(--border-strong);
}
.hv-badge-k {
  font-family: var(--mono); font-size: 8.5px; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--text-3); margin-bottom: 5px;
}
.hv-badge-v {
  font-family: var(--serif); font-size: 22px; font-weight: 400;
  letter-spacing: -0.01em; line-height: 1.12; color: var(--text);
  max-width: 132px;
}
.hv-badge-1 { top: 14%; right: 9%; animation-delay: 0s, 1.1s; }
.hv-badge-2 { top: 46%; left: 7%; animation-delay: 1.5s, 1.4s; }
.hv-badge-3 { bottom: 34%; right: 8%; animation-delay: 3s, 1.7s; }

/* Spectrometer scan line */
.hv-scan {
  position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(0,0,0,0.08) 35%,
    rgba(0,0,0,0.18) 50%, rgba(0,0,0,0.08) 65%, transparent 100%);
  top: 0; z-index: 4; will-change: transform;
  animation: scan-down 9s linear infinite 2s;
  pointer-events: none;
}
[data-theme="dark"] .hv-scan {
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.06) 35%,
    rgba(255,255,255,0.16) 50%, rgba(255,255,255,0.06) 65%, transparent 100%);
}

/* Bottom specimen label */
/* Auto-scrolling product strip (bottom of hero panel) */
.hv-marquee {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 148px; z-index: 3; overflow: hidden;
  display: flex; align-items: center;
  border-top: 1px solid var(--border);
  background: linear-gradient(to top, var(--bg-card), transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  opacity: 0; animation: fade-in 0.7s var(--ease) 1.2s forwards;
}
.hv-marquee-track {
  display: flex; gap: 16px; align-items: center;
  width: max-content; padding: 0 8px;
  animation: marquee-x 46s linear infinite;
}
.hv-marquee:hover .hv-marquee-track { animation-play-state: paused; }
.hv-chip {
  flex: 0 0 auto; width: 78px; aspect-ratio: 3 / 4;
  border-radius: 8px; overflow: hidden;
  background: var(--bg); border: 1px solid var(--border);
  box-shadow: 0 8px 20px rgba(0,0,0,0.09);
}
.hv-chip .product-photo { width: 100%; height: 100%; object-fit: cover; object-position: center 46%; }
@keyframes marquee-x {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* Hero stats bar */
.hero-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
}
.hero-stat {
  padding: 36px 44px; border-right: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.hero-stat:last-child { border-right: 0; }
.hero-stat .num {
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 48px); line-height: 1;
  font-weight: 300; letter-spacing: -0.025em; margin-bottom: 10px;
  display: block;
}
.hero-stat .num.animate-in {
  animation: counter-reveal 0.6s var(--ease) both;
}
.hero-stat .lbl {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.26em;
  text-transform: uppercase; color: var(--text-3); font-weight: 500;
}
.hero-stat .lbl::before {
  content: ""; width: 14px; height: 1px;
  background: var(--border-bright); flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════
   SECTION HEADERS
   ═══════════════════════════════════════════════════════════════ */

.section-head {
  display: grid; grid-template-columns: 1fr auto;
  align-items: end; gap: 32px;
  margin-bottom: 64px; padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.section-head h2 { line-height: 0.95; }
.section-head .head-side { text-align: right; }

/* ═══════════════════════════════════════════════════════════════
   PRODUCT CARDS
   ═══════════════════════════════════════════════════════════════ */

.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0; border-top: 1px solid var(--border); border-left: 1px solid var(--border);
}
.product-card {
  position: relative; display: flex; flex-direction: column;
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--bg); transition: background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  cursor: pointer; overflow: hidden;
}
.product-card:hover { background: var(--bg-elev); }
.product-card-img {
  aspect-ratio: 4/5;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-elev); border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
  transition: background var(--dur-fast) var(--ease);
}
.product-card:hover .product-card-img { background: var(--bg-card); }
.product-card-img .placeholder-vial {
  width: 42%; filter: drop-shadow(0 16px 32px rgba(0,0,0,0.10));
  transition: transform 0.38s var(--ease), filter 0.38s var(--ease);
}
.product-card:hover .placeholder-vial {
  transform: translateY(-8px) scale(1.04);
  filter: drop-shadow(0 28px 48px rgba(0,0,0,0.18));
}
[data-theme="dark"] .product-card-img .placeholder-vial { filter: drop-shadow(0 16px 32px rgba(0,0,0,0.5)); }
[data-theme="dark"] .product-card:hover .placeholder-vial { filter: drop-shadow(0 28px 48px rgba(0,0,0,0.7)); }

/* Real product photos — fill their frame, gently zoom on hover */
.product-photo { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.product-card-img .product-photo { transition: transform 0.6s var(--ease); }
.product-card:hover .product-card-img .product-photo { transform: scale(1.05); }
.product-card-img .quick-add {
  position: absolute; bottom: 16px; left: 16px; right: 16px;
  padding: 13px 18px; background: var(--text); color: var(--bg);
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  text-align: center; font-weight: 600;
  opacity: 0; transform: translateY(10px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.product-card:hover .quick-add { opacity: 1; transform: translateY(0); }
.product-card-body { padding: 24px 28px 32px; flex: 1; display: flex; flex-direction: column; }
.product-card .category {
  font-size: 9px; letter-spacing: 0.26em; text-transform: uppercase;
  color: var(--text-3); font-weight: 600; margin-bottom: 10px;
}
.product-card .name {
  font-family: var(--serif); font-size: 26px; font-weight: 400;
  line-height: 1.05; margin-bottom: 8px; letter-spacing: -0.015em;
}
.product-card .tagline {
  color: var(--text-2); font-size: 13px; line-height: 1.55; margin-bottom: 20px; flex: 1;
  font-family: var(--serif); font-style: italic; font-weight: 300;
}
.product-card-bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  padding-top: 16px; border-top: 1px solid var(--border);
}
.product-card .price { font-family: var(--mono); font-size: 14px; }
.product-card .price .from {
  font-size: 9px; letter-spacing: 0.18em; color: var(--text-3);
  margin-right: 6px; text-transform: uppercase;
}
.product-card .sizes { font-family: var(--mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.06em; }
.status-tag {
  position: absolute; top: 16px; right: 16px;
  font-size: 9px; letter-spacing: 0.22em; text-transform: uppercase;
  padding: 5px 9px; border: 1px solid var(--border-strong);
  background: var(--bg); color: var(--text-2); z-index: 2;
}
.status-tag.coming-soon { color: var(--warning); border-color: var(--warning); }
.status-tag.out-of-stock { color: var(--danger); border-color: var(--danger); }

/* ═══════════════════════════════════════════════════════════════
   CATEGORY TILES (Shop)
   ═══════════════════════════════════════════════════════════════ */

.cat-tiles {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 0; margin-bottom: 56px; border: 1px solid var(--border);
}
.cat-tile {
  padding: 32px 32px 28px; text-align: left;
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  background: var(--bg); position: relative;
  display: flex; flex-direction: column; justify-content: space-between;
  min-height: 220px;
  transition: background var(--dur-fast) var(--ease), box-shadow var(--dur-fast);
  cursor: pointer; overflow: hidden;
}
.cat-tile:nth-child(3n) { border-right: 0; }
.cat-tile:nth-last-child(-n+3) { border-bottom: 0; }
.cat-tile::before {
  content: ""; position: absolute; top: 0; left: 32px;
  width: 28px; height: 1.5px; background: var(--chrome); opacity: 0.5;
  transition: width var(--dur-med) var(--ease);
}
.cat-tile:hover { background: var(--bg-elev); }
.cat-tile:hover::before { width: 70px; }
.cat-tile:hover .cat-tile-icon { transform: scale(1.08) translateY(-2px); }
.cat-tile:hover .cat-tile-arrow { transform: translateX(6px); color: var(--text); }
.cat-tile.active { background: var(--text); color: var(--bg); }
.cat-tile.active .cat-tile-meta { color: rgba(255,255,255,0.5); }
.cat-tile.active .cat-tile-arrow { color: var(--bg); }
.cat-tile-icon {
  width: 50px; height: 50px; color: var(--text);
  transition: transform var(--dur-med) var(--ease); margin-bottom: 10px;
}
.cat-tile-icon svg { width: 100%; height: 100%; }
.cat-tile-name { font-family: var(--serif); font-size: 24px; font-weight: 400; line-height: 1.05; letter-spacing: -0.015em; margin: 0 0 5px; }
.cat-tile-meta { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); }
.cat-tile-arrow {
  position: absolute; right: 22px; bottom: 20px;
  font-family: var(--serif); font-size: 20px; color: var(--text-3);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.shop-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 0; border-top: 1px solid var(--border);
}
.shop-results-count { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); }

/* Search all compounds */
.shop-search {
  position: relative; display: flex; align-items: center;
  margin-bottom: 32px; border: 1px solid var(--border-strong);
  background: var(--bg-elev); transition: border-color var(--dur-fast) var(--ease);
}
.shop-search:focus-within { border-color: var(--text); }
.shop-search-icon { width: 20px; height: 20px; color: var(--text-3); margin-left: 20px; flex-shrink: 0; }
.shop-search input {
  flex: 1; width: 100%; background: transparent; border: 0; outline: 0;
  padding: 18px 16px; font-family: var(--sans); font-size: 16px; color: var(--text);
}
.shop-search input::placeholder { color: var(--text-3); }
.shop-search-clear {
  flex-shrink: 0; width: 40px; height: 40px; margin-right: 8px;
  font-size: 24px; line-height: 1; color: var(--text-3);
  transition: color var(--dur-fast) var(--ease);
}
.shop-search-clear:hover { color: var(--text); }

@media (max-width: 900px) {
  .cat-tiles { grid-template-columns: repeat(2, 1fr); }
  .cat-tile:nth-child(3n) { border-right: 1px solid var(--border); }
  .cat-tile:nth-child(2n) { border-right: 0; }
}
@media (max-width: 600px) {
  .cat-tiles { grid-template-columns: 1fr; }
  .cat-tile { border-right: 0 !important; border-bottom: 1px solid var(--border) !important; }
  .cat-tile:last-child { border-bottom: 0 !important; }
}

/* ═══════════════════════════════════════════════════════════════
   PDP
   ═══════════════════════════════════════════════════════════════ */

.pdp-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: var(--sp-8); padding: var(--sp-7) 0; }
.pdp-gallery { align-self: start; }
.pdp-gallery .main {
  aspect-ratio: 4/5; background: var(--bg-elev);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-3); position: relative; overflow: hidden;
}
.pdp-gallery .main .placeholder-vial { width: 48%; filter: drop-shadow(0 24px 48px rgba(0,0,0,0.12)); }
.pdp-gallery .main .product-photo { position: absolute; inset: 0; }
.pdp-gallery .thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-3); }
.pdp-gallery .thumb {
  aspect-ratio: 1; border: 1px solid var(--border); background: var(--bg-elev);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: border-color var(--dur-fast);
}
.pdp-gallery .thumb:hover { border-color: var(--border-strong); }
.pdp-gallery .thumb.active { border-color: var(--text); }
.pdp-gallery .thumb .placeholder-vial { width: 42%; }
.pdp-info .pdp-category { font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--sp-4); }
.pdp-info h1.pdp-name { font-size: clamp(38px, 4vw, 58px); line-height: 1.0; margin-bottom: var(--sp-3); }
.pdp-info .pdp-tagline { color: var(--text-2); font-family: var(--serif); font-style: italic; font-size: 19px; margin-bottom: var(--sp-5); }
.size-selector { margin: var(--sp-5) 0; }
.size-selector .sl-label { font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--sp-3); }
.size-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-3); }
.size-options button {
  padding: var(--sp-4); border: 1px solid var(--border-strong); text-align: left;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease); background: var(--bg);
}
.size-options button:hover { border-color: var(--text); background: var(--bg-elev); }
.size-options button.active { border-color: var(--text); background: var(--bg-card); }
.size-options .mg { font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; margin-bottom: 6px; }
.size-options .pr { font-family: var(--mono); font-size: 18px; }
.size-options .lbl { font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin-top: 4px; }
.qty-row { display: flex; gap: var(--sp-3); align-items: stretch; margin: var(--sp-5) 0; }
.qty-stepper { display: flex; border: 1px solid var(--border-strong); background: var(--bg); }
.qty-stepper button { width: 44px; height: 52px; font-size: 18px; color: var(--text-2); transition: color var(--dur-fast), background var(--dur-fast); }
.qty-stepper button:hover { color: var(--text); background: var(--bg-elev); }
.qty-stepper input { width: 56px; text-align: center; font-family: var(--mono); border-left: 1px solid var(--border); border-right: 1px solid var(--border); }
.pdp-actions { display: flex; gap: var(--sp-3); flex-wrap: wrap; }
.pdp-actions .btn { flex: 1; min-width: 180px; }
.pdp-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); border-top: 1px solid var(--border); margin-top: var(--sp-6); padding-top: var(--sp-5); }
.pdp-meta { font-size: 12px; }
.pdp-meta .k { font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3); margin-bottom: 6px; }
.pdp-meta .v { color: var(--text); font-family: var(--mono); font-size: 12px; word-break: break-word; }
.pdp-tabs { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.pdp-tabs-nav { display: flex; gap: var(--sp-7); overflow-x: auto; }
.pdp-tabs-nav button {
  padding: var(--sp-5) 0; font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-3); border-bottom: 1.5px solid transparent; margin-bottom: -1px;
  white-space: nowrap; font-weight: 600;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.pdp-tabs-nav button.active { color: var(--text); border-bottom-color: var(--text); }
.pdp-tab-body { padding: var(--sp-8) 0; display: grid; grid-template-columns: 1fr 2fr; gap: var(--sp-8); }
.pdp-tab-body .tab-eyebrow { font-family: var(--serif); font-style: italic; font-size: 22px; font-weight: 300; }
.pdp-tab-body .tab-content { color: var(--text-2); line-height: 1.75; font-size: 15px; }
.pdp-tab-body .tab-content p + p { margin-top: var(--sp-4); }
.stability-table { display: grid; grid-template-columns: 200px 1fr; border: 1px solid var(--border); }
.stability-table > div { padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--border); font-size: 14px; }
.stability-table > div:nth-last-child(-n+2) { border-bottom: 0; }
.stability-table .k { background: var(--bg-elev); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); font-weight: 600; border-right: 1px solid var(--border); }
.stability-table .v { color: var(--text-2); }
/* Lab report viewer (COA + endotoxin PDFs) */
.coa-reports { display: flex; flex-direction: column; gap: var(--sp-6); }
.coa-report { border: 1px solid var(--border); background: var(--bg-elev); }
.coa-report-head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--border);
}
.coa-report-k {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-3); margin-bottom: 5px;
}
.coa-report-t { font-family: var(--serif); font-size: 20px; font-weight: 400; color: var(--text); letter-spacing: -0.01em; }
.coa-preview { display: block; position: relative; background: #fff; overflow: hidden; }
.coa-preview img {
  display: block; width: 100%; height: auto;
  transition: transform var(--dur-med) var(--ease), filter var(--dur-fast) var(--ease);
}
.coa-preview:hover img { transform: scale(1.012); filter: brightness(0.97); }
.coa-preview-hint {
  position: absolute; bottom: 16px; right: 16px;
  background: rgba(10,10,10,0.92); color: #fff;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  padding: 9px 15px; pointer-events: none;
  opacity: 0; transform: translateY(6px);
  transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.coa-preview:hover .coa-preview-hint { opacity: 1; transform: translateY(0); }

.ref-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--sp-4); }
.ref-list li { display: grid; grid-template-columns: 28px 1fr; gap: var(--sp-3); padding: var(--sp-4); border: 1px solid var(--border); background: var(--bg-elev); transition: border-color var(--dur-fast); }
.ref-list li:hover { border-color: var(--border-strong); }
.ref-list .num { font-family: var(--mono); font-size: 10px; color: var(--text-3); }
.ref-list .title { color: var(--text); margin-bottom: 4px; font-size: 14px; }
.ref-list .journal { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); }
.ref-list .ext-link { font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text); border-bottom: 1px solid var(--border-strong); padding-bottom: 1px; display: inline-block; margin-top: 8px; transition: border-color var(--dur-fast); }
.ref-list .ext-link:hover { border-bottom-color: var(--text); }
.pairings-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.pairing-card { border: 1px solid var(--border); background: var(--bg-elev); padding: var(--sp-5); cursor: pointer; transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease); display: flex; gap: var(--sp-4); align-items: center; }
.pairing-card:hover { border-color: var(--border-strong); background: var(--bg-card); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.07); }
.pairing-card .pimg { width: 64px; height: 64px; background: var(--bg); border: 1px solid var(--border); flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.pairing-card .pimg .placeholder-vial { width: 60%; }
.pairing-card .pn { font-family: var(--serif); font-size: 18px; }
.pairing-card .pp { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); }

/* ═══════════════════════════════════════════════════════════════
   CART / CHECKOUT
   ═══════════════════════════════════════════════════════════════ */

.cart-layout { display: grid; grid-template-columns: 1.5fr 0.7fr; gap: var(--sp-7); padding: var(--sp-7) 0; }
.cart-line { display: grid; grid-template-columns: 120px 1fr auto; gap: var(--sp-5); padding: var(--sp-5) 0; border-bottom: 1px solid var(--border); align-items: center; }
.cart-line-img { aspect-ratio: 1; background: var(--bg-elev); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; }
.cart-line-img .placeholder-vial { width: 50%; }
.cart-line-name { font-family: var(--serif); font-size: 22px; margin-bottom: 4px; }
.cart-line-size { font-family: var(--mono); font-size: 10.5px; color: var(--text-3); }
.cart-line-actions { display: flex; gap: var(--sp-4); align-items: center; margin-top: var(--sp-3); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); }
.cart-line-actions button:hover { color: var(--text); }
.cart-line-price { font-family: var(--mono); font-size: 18px; text-align: right; }
.summary { background: var(--bg-elev); border: 1px solid var(--border); padding: var(--sp-6); position: sticky; top: 100px; align-self: start; }
.summary h3 { font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; font-family: var(--sans); font-weight: 600; color: var(--text-3); margin-bottom: var(--sp-5); }
.sum-row { display: flex; justify-content: space-between; padding: var(--sp-3) 0; font-family: var(--mono); font-size: 13px; color: var(--text-2); }
.sum-row.total { border-top: 1px solid var(--border-strong); margin-top: var(--sp-3); padding-top: var(--sp-4); color: var(--text); font-size: 16px; font-weight: 600; }
.qr-pay-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); margin: var(--sp-6) 0; }
.qr-tile { background: var(--bg-elev); border: 1px solid var(--border); padding: var(--sp-5); text-align: center; display: flex; flex-direction: column; align-items: center; }
.qr-tile img { width: 200px; height: 200px; background: white; padding: 12px; margin: var(--sp-3) auto; }
.qr-tile .qr-method { font-size: 10.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3); font-weight: 600; }
.qr-tile .qr-handle { font-family: var(--mono); font-size: 15px; margin: var(--sp-3) 0 0; }
.qr-tile a { text-decoration: none; }
.qr-tile a img { display: block; cursor: pointer; transition: transform var(--dur-fast) var(--ease); }
.qr-tile a:hover img { transform: scale(1.02); }
.qr-tile .qr-link { color: var(--text); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border-strong); transition: text-decoration-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.qr-tile .qr-link:hover { text-decoration-color: var(--text); }

/* ═══════════════════════════════════════════════════════════════
   FEATURED COMPOUND
   ═══════════════════════════════════════════════════════════════ */

.featured-compound { display: grid; grid-template-columns: 1.1fr 1fr; min-height: 620px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.featured-compound .fc-visual { position: relative; background: radial-gradient(ellipse at 50% 60%, var(--bg-card) 0%, var(--bg-elev) 72%); border-right: 1px solid var(--border); display: flex; align-items: center; justify-content: center; padding: 64px; overflow: hidden; transition: background var(--dur-med); cursor: pointer; }
.featured-compound .fc-visual:hover { background: var(--bg-card); }
.featured-compound .fc-visual .placeholder-vial { width: 52%; filter: drop-shadow(0 40px 80px rgba(0,0,0,0.13)); transition: filter var(--dur-ui) var(--ease); animation: float-slow 8s ease-in-out infinite; }
.featured-compound .fc-visual:hover .placeholder-vial { filter: drop-shadow(0 56px 100px rgba(0,0,0,0.20)); }
.featured-compound .fc-visual .product-photo { width: 74%; height: auto; object-fit: contain; filter: drop-shadow(0 40px 80px rgba(0,0,0,0.15)); transition: transform var(--dur-med) var(--ease), filter var(--dur-ui) var(--ease); animation: float-slow 8s ease-in-out infinite; }
.featured-compound .fc-visual:hover .product-photo { filter: drop-shadow(0 56px 100px rgba(0,0,0,0.22)); }
.featured-compound .fc-visual .corner-mark { position: absolute; font-family: var(--mono); font-size: 9px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--text-3); }
.featured-compound .fc-visual .cm-tl { top: 24px; left: 24px; }
.featured-compound .fc-visual .cm-tr { top: 24px; right: 24px; }
.featured-compound .fc-visual .cm-bl { bottom: 24px; left: 24px; }
.featured-compound .fc-visual .cm-br { bottom: 24px; right: 24px; }
.featured-compound .fc-info { padding: 80px 64px; display: flex; flex-direction: column; justify-content: center; }
.featured-compound .fc-eyebrow { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-3); margin-bottom: 24px; }
.featured-compound .fc-title { font-size: clamp(44px, 5vw, 76px); margin-bottom: 24px; line-height: 0.95; }
.featured-compound .fc-title em { font-style: italic; }
.featured-compound .fc-desc { color: var(--text-2); font-size: 17px; line-height: 1.68; margin-bottom: 40px; }
.featured-compound .fc-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.featured-compound .fc-specs .k { font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3); margin-bottom: 6px; }
.featured-compound .fc-specs .v { font-family: var(--mono); font-size: 14px; }

/* ═══════════════════════════════════════════════════════════════
   CATEGORY GRID (Home)
   ═══════════════════════════════════════════════════════════════ */

.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
.category-grid > button { padding: 44px 36px; text-align: left; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); min-height: 280px; display: flex; flex-direction: column; justify-content: space-between; transition: background var(--dur-fast) var(--ease); position: relative; background: var(--bg); }
.category-grid > button:hover { background: var(--bg-elev); }
.category-grid > button:hover .cat-arrow { transform: translateX(8px); color: var(--text); }
.category-grid .cat-title { font-family: var(--serif); font-size: 32px; font-weight: 300; line-height: 1.0; letter-spacing: -0.015em; margin-bottom: 10px; }
.category-grid .cat-count { font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3); }
.category-grid .cat-arrow { position: absolute; bottom: 32px; right: 32px; font-family: var(--serif); font-size: 22px; color: var(--text-3); transition: color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease); }
.category-grid > button .cat-tile-icon {
  width: 38px; height: 38px; margin-bottom: 16px;
  color: var(--text-3);
  transition: color var(--dur-fast) var(--ease), transform var(--dur-med) var(--ease);
}
.category-grid > button:hover .cat-tile-icon { color: var(--text); transform: scale(1.1) translateY(-2px); }

/* ═══════════════════════════════════════════════════════════════
   STANDARDS SECTION
   ═══════════════════════════════════════════════════════════════ */

.standards-grid {
  display: grid; grid-template-columns: 1fr 1.4fr;
  gap: 96px; align-items: start;
}
.standards-protocol {
  margin-top: 48px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.2em; color: var(--text-3);
  line-height: 1.9; border-top: 1px solid var(--border);
  padding-top: 28px;
}
.standards-body {
  color: var(--text-2); font-size: 19px; line-height: 1.7;
  font-family: var(--serif); font-weight: 300;
}
.standards-lead {
  font-size: 26px; line-height: 1.38; color: var(--text);
  letter-spacing: -0.01em; margin-bottom: 28px;
}
@media (max-width: 1100px) { .standards-grid { grid-template-columns: 1fr; gap: 48px; } }

/* ═══════════════════════════════════════════════════════════════
   MANIFESTO SECTION
   ═══════════════════════════════════════════════════════════════ */

.manifesto-wrap {
  text-align: center; max-width: 1100px; margin: 0 auto; padding: 64px 0;
}
.manifesto-mark {
  font-family: var(--serif); font-size: 64px; line-height: 0.6;
  color: var(--border-strong); display: block; margin-bottom: 28px;
  font-style: italic;
}
.manifesto-quote {
  font-size: clamp(36px, 5.5vw, 88px); line-height: 1.04;
  font-family: var(--serif); font-weight: 300; letter-spacing: -0.02em;
}
.manifesto-sub {
  color: var(--text-2); font-size: 17px; margin-top: 40px;
  line-height: 1.7; max-width: 600px; margin-left: auto; margin-right: auto;
}
.manifesto-actions {
  margin-top: 48px; display: flex; gap: 16px;
  justify-content: center; flex-wrap: wrap;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */

.footer { background: var(--bg-elev); border-top: 1px solid var(--border); padding: var(--sp-9) 0 var(--sp-6); margin-top: var(--sp-9); }
.footer img { filter: invert(1); }
[data-theme="dark"] .footer img { filter: none; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--sp-7); margin-bottom: var(--sp-8); }
.footer-col h6 { font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--text); margin: 0 0 var(--sp-4); font-weight: 700; }
.footer-col a, .footer-col button { display: block; color: var(--text-2); font-size: 14px; padding: 5px 0; transition: color var(--dur-fast); }
.footer-col a:hover, .footer-col button:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--sp-5); border-top: 1px solid var(--border); font-size: 10.5px; color: var(--text-3); letter-spacing: 0.08em; }
.footer-disclaimer { background: var(--bg); border: 1px solid var(--border); padding: var(--sp-5); margin-top: var(--sp-7); font-size: 12px; color: var(--text-3); line-height: 1.65; letter-spacing: 0.02em; }

/* ═══════════════════════════════════════════════════════════════
   GATE MODAL
   ═══════════════════════════════════════════════════════════════ */

.gate-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.88); backdrop-filter: blur(24px) saturate(160%); display: flex; align-items: center; justify-content: center; z-index: 200; padding: var(--sp-5); animation: fade-in 0.4s var(--ease) both; }
[data-theme="dark"] .gate-overlay { background: rgba(0,0,0,0.88); }
.gate-modal { max-width: 520px; width: 100%; background: var(--bg); border: 1px solid var(--border-strong); padding: 72px 64px; text-align: center; box-shadow: 0 32px 80px rgba(0,0,0,0.08); animation: fade-in-up 0.6s var(--ease) 0.1s both; }
.gate-modal h2 { font-size: 36px; margin-bottom: var(--sp-4); }
.gate-modal p { color: var(--text-2); line-height: 1.7; margin-bottom: var(--sp-5); }
.gate-modal .gate-mono { font-family: var(--mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.22em; text-transform: uppercase; margin-bottom: var(--sp-3); }
.gate-modal .gate-actions { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

/* ═══════════════════════════════════════════════════════════════
   ADMIN
   ═══════════════════════════════════════════════════════════════ */

.admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - 80px); }
.admin-side { background: var(--bg-elev); border-right: 1px solid var(--border); padding: var(--sp-6) 0; }
.admin-side button { display: block; width: 100%; text-align: left; padding: 14px var(--sp-5); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease); }
.admin-side button:hover { color: var(--text); background: var(--bg-card); }
.admin-side button.active { color: var(--text); background: var(--bg-card); font-weight: 600; }
.admin-main { padding: var(--sp-6); }
.admin-toolbar { display: flex; justify-content: space-between; margin-bottom: var(--sp-5); align-items: center; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th { text-align: left; font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); padding: var(--sp-3); border-bottom: 1px solid var(--border); font-weight: 600; }
.admin-table td { padding: var(--sp-3); border-bottom: 1px solid var(--border); }
.admin-table tr:hover { background: var(--bg-card); }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--sp-4); }
.field label { font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--text-3); }
.field input, .field textarea, .field select { background: var(--bg); border: 1px solid var(--border-strong); padding: 10px 14px; color: var(--text); font-family: var(--mono); font-size: 13px; }
.field textarea { font-family: var(--sans); min-height: 100px; resize: vertical; line-height: 1.5; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--text); }
.modal-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.7); display: flex; align-items: center; justify-content: center; z-index: 150; padding: var(--sp-5); backdrop-filter: blur(12px); }
[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,0.7); }
.modal { background: var(--bg); border: 1px solid var(--border-strong); max-width: 720px; width: 100%; max-height: 90vh; overflow: auto; padding: var(--sp-6); box-shadow: 0 24px 64px rgba(0,0,0,0.10); }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-5); }
.modal-head h3 { font-size: 28px; }

/* ═══════════════════════════════════════════════════════════════
   MISC
   ═══════════════════════════════════════════════════════════════ */

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 9.5px; letter-spacing: 0.2em; text-transform: uppercase; padding: 5px 11px; border: 1px solid var(--border-strong); color: var(--text-2); }
.pill .dot { width: 6px; height: 6px; border-radius: 100px; background: var(--success); }
.pill.gold .dot { background: var(--warning); }
.pill.danger .dot { background: var(--danger); }

.splash { position: fixed; inset: 0; background: var(--bg); display: flex; align-items: center; justify-content: center; z-index: 500; transition: opacity 0.7s var(--ease), visibility 0.7s; }
.splash img { width: 260px; filter: invert(1); animation: fade-in 0.5s var(--ease) 0.1s both; }
[data-theme="dark"] .splash img { filter: none; }
.splash.hidden { opacity: 0; pointer-events: none; visibility: hidden; }

.placeholder-vial { filter: drop-shadow(0 12px 28px rgba(0,0,0,0.10)); }
[data-theme="dark"] .placeholder-vial { filter: drop-shadow(0 12px 28px rgba(0,0,0,0.5)); }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-split { grid-template-columns: 1fr; }
  .hero-right { min-height: 480px; border-left: 0; border-top: 1px solid var(--border); }
  .hero-left { padding: 64px 40px; }
  .pdp-layout { grid-template-columns: 1fr; }
  .cart-layout, .admin-shell { grid-template-columns: 1fr; }
  .pairings-grid { grid-template-columns: repeat(2, 1fr); }
  .pdp-tab-body { grid-template-columns: 1fr; }
  .featured-compound { grid-template-columns: 1fr; }
  .featured-compound .fc-visual { aspect-ratio: 4/3; min-height: 400px; }
  .featured-compound .fc-info { padding: 48px 40px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .container, .container-narrow { padding: 0 20px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-left { padding: 56px 20px 48px; }
  .qr-pay-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stat { border-right: 0; border-bottom: 1px solid var(--border); padding: 24px; }
  .hero-stat:last-child { border-bottom: 0; }
  .hv-badge { display: none; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION — respect vestibular disorder preferences
   Keeps opacity fades (aid comprehension), removes movement
   ═══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  /* Hero: show everything immediately, no movement */
  .hero-eyebrow-tag, .hero-h1, .hero-sub, .hero-actions, .hero-right {
    animation: none; opacity: 1;
  }
  /* Vial floats — stop */
  .hv-vial-left .placeholder-vial,
  .hv-vial-center .placeholder-vial,
  .hv-vial-right .placeholder-vial,
  .hv-stage .product-photo { animation: none; }
  /* Badges — show static */
  .hv-badge { animation: none; opacity: 1; }
  /* Product strip — stop scrolling, show static */
  .hv-marquee { animation: none; opacity: 1; }
  .hv-marquee-track { animation: none; }
  /* Scan line — remove */
  .hv-scan { display: none; }
  /* Splash */
  .splash img { animation: none; opacity: 1; }
  /* Scroll reveals — instant, no movement */
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 0; transform: none;
    transition: opacity 0.3s ease;
  }
  /* Counter */
  .hero-stat .num.animate-in { animation: none; opacity: 1; }
  /* Featured compound vial */
  .featured-compound .fc-visual .placeholder-vial { animation: none; }
  .featured-compound .fc-visual .product-photo { animation: none; }
  /* Global animation kill for everything else */
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  /* But restore the opacity transition on reveals */
  .reveal, .reveal-left, .reveal-right, .reveal-scale {
    transition: opacity 0.3s ease !important;
  }
}