/* ===== Evolved Bloodline — Premium Minimalist Theme ===== */

:root{
  --black: #0b0b0c;
  --near-black: #151516;
  --white: #ffffff;
  --off-white: #f7f6f2;
  --cream: #f1efe8;
  --gold: #b9974a;
  --gold-light: #d4b876;
  --gold-dark: #8f7434;
  --grey: #6b6b6d;
  --grey-light: #9a9a9c;
  --border: #e6e3da;
  --danger: #a5342c;
  --success: #3a5a40;
  --radius: 2px;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
}

*, *::before, *::after{ box-sizing: border-box; min-width: 0; }
html{ scroll-behavior: smooth; overflow-x: hidden; max-width: 100vw; }
body{
  margin:0;
  font-family: var(--sans);
  background: var(--off-white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family: inherit; cursor:pointer; }
input, select, textarea{ font-family: inherit; }

h1,h2,h3,h4{
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 0.5em;
  color: var(--black);
}
h1{ font-size: clamp(2.4rem, 5vw, 4rem); line-height:1.1; }
h2{ font-size: clamp(1.8rem, 3vw, 2.6rem); line-height:1.15; }
h3{ font-size: 1.4rem; }
p{ margin: 0 0 1em; color: var(--grey); }

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.eyebrow{
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  color: var(--gold-dark);
  font-weight: 600;
}
.section{ padding: 80px 0; }
.section-tight{ padding: 40px 0; }
.center{ text-align:center; }
.divider{
  width: 60px; height: 1px; background: var(--gold);
  margin: 20px auto;
}
.divider.left{ margin-left:0; }

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding: 14px 32px;
  border: 1px solid var(--black);
  background: var(--black);
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all 0.25s ease;
}
.btn:hover{ background: var(--gold-dark); border-color: var(--gold-dark); box-shadow: 0 6px 20px rgba(185,151,74,0.35); transform: translateY(-1px); }
.btn-outline{
  background: transparent;
  color: var(--black);
  border: 1px solid var(--black);
}
.btn-outline:hover{ background: var(--black); color: var(--white); }
.btn-gold{
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
}
.btn-gold:hover{ background: var(--gold-dark); border-color: var(--gold-dark); color: var(--white); }
.btn-block{ width:100%; }
.btn-sm{ padding: 9px 18px; font-size:0.72rem; }
.btn:disabled{ opacity:0.4; cursor:not-allowed; }

/* ===== Disclaimer bar ===== */
.disclaimer-bar{
  background: var(--black);
  color: var(--grey-light);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-align:center;
  padding: 9px 16px;
}
.disclaimer-bar strong{ color: var(--gold-light); }

/* ===== Header ===== */
header.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.logo{
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.logo .accent{ color: var(--gold); }
nav.main-nav ul{ display:flex; gap: 36px; }
nav.main-nav a{
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  position: relative;
  padding-bottom: 4px;
}
nav.main-nav a:hover{ color: var(--gold-dark); }
.nav-actions{ display:flex; align-items:center; gap: 20px; }
.cart-link{ position:relative; font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; display:flex; align-items:center; gap:6px;}
.cart-count{
  background: var(--gold);
  color: var(--black);
  border-radius: 50%;
  width: 18px; height: 18px;
  font-size: 0.65rem;
  display:flex; align-items:center; justify-content:center;
  font-weight:700;
}
.menu-toggle{ display:none; background:none; border:none; font-size:1.4rem; }

/* ===== Hero ===== */
.hero{
  min-height: 86vh;
  display:flex; align-items:center;
  background: linear-gradient(160deg, var(--black) 0%, var(--near-black) 55%, #1a1712 100%);
  background-size: 220% 220%;
  animation: heroDrift 22s ease-in-out infinite;
  color: var(--white);
  position: relative;
  overflow:hidden;
}
@keyframes heroDrift{
  0%{ background-position: 0% 30%; }
  50%{ background-position: 100% 70%; }
  100%{ background-position: 0% 30%; }
}
.hero::after{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(ellipse at 74% 28%, rgba(185,151,74,0.22), transparent 62%),
              radial-gradient(ellipse at 10% 90%, rgba(185,151,74,0.10), transparent 55%);
  pointer-events:none;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image: url('images/backgrounds/molecule-pattern.svg');
  background-size: 340px 340px;
  opacity: 0.16;
  mix-blend-mode: screen;
  pointer-events:none;
}
.hero-inner{ position:relative; z-index:2; max-width: 640px; }
.hero h1{ color: var(--white); text-shadow: 0 0 30px rgba(212,184,118,0.18); }
.hero p.lead{ color: rgba(255,255,255,0.7); font-size:1.05rem; max-width: 520px; }
.hero-cta{ display:flex; gap:16px; margin-top: 32px; flex-wrap:wrap; }
.hero .btn-outline{ border-color: rgba(255,255,255,0.4); color: var(--white); }
.hero .btn-outline:hover{ background: var(--white); color: var(--black); }

/* ----- Hero visual: DNA helix + evolving-figure node graph ----- */
.hero-visual{
  position:absolute; top:0; right:0; bottom:0; width:52%; max-width:100%;
  z-index:1; display:flex; align-items:center; justify-content:center;
  pointer-events:none; overflow:hidden;
}
.hero-dna{
  position:absolute; right:0; top:50%; transform:translateY(-50%);
  height:115%; width:auto; max-width:none; opacity:0.55; filter:saturate(1.1);
}
.hero-figure{ position:relative; width:70%; max-width:420px; height:auto; filter:drop-shadow(0 0 18px rgba(212,184,118,0.25)); }
.hero-figure .edge{
  stroke:var(--gold-light); stroke-width:1.4; opacity:0.5; fill:none;
}
.hero-figure .node{
  fill:var(--gold-light); animation: nodePulse 3.2s ease-in-out infinite;
}
.hero-figure .node.n2{ animation-delay:0.3s; }
.hero-figure .node.n3{ animation-delay:0.6s; }
.hero-figure .node.n4{ animation-delay:0.9s; }
.hero-figure .node.n5{ animation-delay:1.2s; }
@keyframes nodePulse{
  0%, 100%{ opacity:0.65; r:3.2; }
  50%{ opacity:1; r:4.6; }
}
.hero-particles{ position:absolute; inset:0; }
.hero-particles span{
  position:absolute; width:3px; height:3px; border-radius:50%;
  background:var(--gold-light); opacity:0.5;
  animation: floatUp 9s linear infinite;
}
@keyframes floatUp{
  0%{ transform:translateY(0) translateX(0); opacity:0; }
  10%{ opacity:0.7; }
  90%{ opacity:0.4; }
  100%{ transform:translateY(-340px) translateX(14px); opacity:0; }
}
@media (max-width: 980px){
  .hero-visual{ display:none; }
}

/* ----- Section molecule-texture overlay utility ----- */
.molecule-overlay{ position:relative; isolation:isolate; }
.molecule-overlay::before{
  content:""; position:absolute; inset:0; z-index:0;
  background-image:url('images/backgrounds/molecule-pattern.svg');
  background-size:300px 300px; opacity:0.05; pointer-events:none;
}
.molecule-overlay > *{ position:relative; z-index:1; }

/* ----- Scroll reveal ----- */
.reveal{ opacity:0; transform:translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ----- Section divider (helix strip) ----- */
.helix-divider{
  height:64px; display:flex; align-items:center; justify-content:center; overflow:hidden;
  background: var(--off-white);
}
.helix-divider img{ height:180px; opacity:0.4; }

/* ===== Trust strip ===== */
.trust-strip{
  display:grid; grid-template-columns: repeat(4,1fr);
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  background: var(--white);
}
.trust-item{
  padding: 26px 20px; text-align:center; border-right:1px solid var(--border);
}
.trust-item:last-child{ border-right:none; }
.trust-item .label{ font-size:0.75rem; letter-spacing:0.06em; text-transform:uppercase; color:var(--grey); }
.trust-item .value{ font-family: var(--serif); font-size:1.2rem; margin-top:4px; }

/* ===== Category / product grid ===== */
.category-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 2px;
  background: var(--border);
}
.category-card{
  background: var(--white); padding: 32px 24px; min-height: 160px;
  display:flex; flex-direction:column; justify-content:space-between;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  position:relative;
}
.category-card:hover{ background: var(--cream); transform:translateY(-2px); box-shadow: 0 14px 26px rgba(0,0,0,0.06); }
.category-card h3{ font-size:1.15rem; margin-bottom:6px; }
.category-card .count{ font-size:0.72rem; color:var(--grey); letter-spacing:0.05em; text-transform:uppercase; }
.category-card .arrow{ font-size:1.2rem; color: var(--gold); align-self:flex-end; transition: transform 0.2s ease; }
.category-card:hover .arrow{ transform: translateX(5px); }

.product-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 28px;
}
.product-card{
  background: var(--white);
  border: 1px solid var(--border);
  display:flex; flex-direction:column;
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
}
.product-card:hover{
  box-shadow: 0 20px 40px rgba(0,0,0,0.10), 0 0 0 1px rgba(185,151,74,0.35);
  transform: translateY(-5px);
  border-color: var(--gold);
}
.product-thumb{
  aspect-ratio: 1/1;
  background: linear-gradient(135deg, var(--black), var(--near-black));
  display:flex; align-items:center; justify-content:center;
  position:relative; overflow:hidden;
}
.product-thumb img{ width:100%; height:100%; object-fit:cover; display:block; transition: transform 0.5s ease; }
.product-card:hover .product-thumb img{ transform: scale(1.06); }
.product-thumb .glyph{
  font-family: var(--serif); color: var(--gold-light); font-size: 2.2rem; letter-spacing:0.05em; opacity:0.9;
}
.product-thumb .cat-tag{
  position:absolute; top:10px; left:10px;
  font-size:0.6rem; letter-spacing:0.08em; text-transform:uppercase;
  background: rgba(255,255,255,0.1); color:#fff; padding:4px 8px; border: 1px solid rgba(255,255,255,0.2);
}
.product-info{ padding: 18px 18px 20px; flex:1; display:flex; flex-direction:column; }
.product-info h3{ font-size:1.05rem; margin-bottom:4px; }
.product-info .desc{ font-size:0.82rem; color:var(--grey); flex:1; margin-bottom:14px; }
.product-info .price-row{ display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.product-info .price{ font-family: var(--serif); font-size:1.2rem; color: var(--gold-dark); font-weight:600; }
.product-info .price .from{ font-size:0.65rem; color:var(--grey); text-transform:uppercase; letter-spacing:0.06em; display:block; font-family: var(--sans);}

/* ===== Bundles / Research Stacks ===== */
.bundle-grid{
  display:grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.bundle-card{
  background: var(--white); border:1px solid var(--border);
  padding: 32px; display:flex; flex-direction:column;
  transition: box-shadow 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
  position:relative;
}
.bundle-card:hover{
  box-shadow: 0 20px 40px rgba(0,0,0,0.10), 0 0 0 1px rgba(185,151,74,0.35);
  transform: translateY(-4px); border-color: var(--gold);
}
.bundle-savings-badge{
  position:absolute; top:24px; right:24px;
  background: var(--gold); color: var(--black);
  font-size:0.68rem; text-transform:uppercase; letter-spacing:0.06em; font-weight:700;
  padding: 6px 12px; border-radius: 20px;
}
.bundle-card h3{ max-width:80%; margin-bottom:10px; }
.bundle-blurb{ font-size:0.85rem; color:var(--grey); margin-bottom:20px; line-height:1.6; }
.bundle-items-list{ border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding:14px 0; margin-bottom:20px; }
.bundle-item-row{ display:flex; justify-content:space-between; font-size:0.82rem; padding:5px 0; color:var(--black); }
.bundle-item-row span:last-child{ color:var(--grey); }
.bundle-price-row{ display:flex; align-items:baseline; gap:10px; margin-bottom:18px; }
.bundle-price-row .bundle-price{ font-family: var(--serif); font-size:1.5rem; color:var(--gold-dark); font-weight:600; }
.bundle-price-row .bundle-was-price{ font-size:0.85rem; color:var(--grey); text-decoration:line-through; }

/* ===== Filter bar ===== */
.filter-bar{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 36px;
}
.filter-chip{
  padding: 8px 16px; border:1px solid var(--border); background:var(--white);
  font-size:0.72rem; text-transform:uppercase; letter-spacing:0.06em;
  border-radius: 20px;
}
.filter-chip.active{ background: var(--black); color:var(--white); border-color:var(--black); }
.search-input{
  padding: 10px 16px; border:1px solid var(--border); min-width:220px;
  font-size:0.85rem; border-radius: 20px; background:var(--white);
}

/* ===== Product detail ===== */
.product-detail{
  display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 60px; align-items:start;
}
.pd-image{
  aspect-ratio: 1/1; background: linear-gradient(135deg, var(--black), var(--near-black));
  display:flex; align-items:center; justify-content:center; position: sticky; top: 110px;
  overflow:hidden;
}
.pd-image img{ width:100%; height:100%; object-fit:cover; display:block; }
.pd-image .glyph{ font-family: var(--serif); color: var(--gold-light); font-size: 3rem; }
.pd-info .eyebrow{ display:block; margin-bottom: 8px; }
.pd-price{ font-family: var(--serif); font-size:1.8rem; color: var(--gold-dark); margin: 8px 0 20px; }
.size-select-label{ font-size:0.75rem; text-transform:uppercase; letter-spacing:0.08em; color:var(--grey); margin-bottom:8px; display:block; }
select.size-select{
  width:100%; padding: 14px 16px; border:1px solid var(--border); background:var(--white);
  font-size:0.95rem; margin-bottom: 20px; border-radius: var(--radius);
}
.qty-row{ display:flex; align-items:center; gap:14px; margin-bottom: 22px; }
.qty-control{ display:flex; align-items:center; border:1px solid var(--border); }
.qty-control button{ background:none; border:none; width:40px; height:44px; font-size:1rem; }
.qty-control input{ width:44px; text-align:center; border:none; border-left:1px solid var(--border); border-right:1px solid var(--border); height:44px; }
.pd-meta{ margin-top:28px; border-top:1px solid var(--border); padding-top:20px; font-size:0.85rem; }
.pd-meta dl{ display:grid; grid-template-columns: 140px minmax(0,1fr); row-gap:8px; column-gap:12px; }
.pd-meta dd{ overflow-wrap: anywhere; }
.pd-meta dt{ color:var(--grey); }
.pd-meta dd{ margin:0; }
.coa-badge{
  display:inline-flex; align-items:center; gap:8px; font-size:0.75rem;
  padding: 10px 14px; border:1px solid var(--gold); color: var(--gold-dark); margin-top:16px;
}

/* ===== Product research overview ===== */
.research-panel{
  margin-top:64px; padding-top:48px; border-top:1px solid var(--border);
  max-width:820px;
}
.research-mechanism{ color:var(--black); font-size:1rem; line-height:1.7; }
.research-note{
  background: var(--cream); border-left:3px solid var(--gold); padding:14px 18px;
  font-size:0.85rem; color:var(--black); margin-top:20px;
}
.research-disclaimer{
  font-size:0.75rem; color:var(--grey); margin-top:24px; padding-top:16px;
  border-top:1px solid var(--border); line-height:1.6;
}

/* ===== Cart / Checkout ===== */
.cart-table{ width:100%; border-collapse:collapse; }
.cart-table th{
  text-align:left; font-size:0.7rem; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--grey); border-bottom:1px solid var(--border); padding: 12px 8px;
}
.cart-table td{ padding: 18px 8px; border-bottom:1px solid var(--border); vertical-align:middle; }
.cart-item-name{ font-family: var(--serif); font-size:1.05rem; overflow-wrap: anywhere; }
.cart-table{ table-layout: fixed; }
.cart-table td:first-child{ width:46%; }
.cart-item-size{ font-size:0.78rem; color:var(--grey); }
.cart-item-bundle-tag{ font-size:0.68rem; color:var(--gold-dark); text-transform:uppercase; letter-spacing:0.05em; margin-top:2px; }
.remove-link{ font-size:0.72rem; color:var(--danger); text-transform:uppercase; letter-spacing:0.05em; }
.cart-summary{
  background: var(--white); border:1px solid var(--border); padding: 28px; position:sticky; top:110px;
}
.summary-row{ display:flex; justify-content:space-between; gap:12px; font-size:0.9rem; margin-bottom:10px; color:var(--grey); }
.summary-row span:first-child{ overflow-wrap: anywhere; min-width:0; }
.summary-row span:last-child{ flex-shrink:0; white-space:nowrap; }
.summary-row.total{ color:var(--black); font-weight:700; font-size:1.1rem; border-top:1px solid var(--border); padding-top:14px; margin-top:14px; }
.empty-state{ text-align:center; padding: 80px 20px; }

form .form-row{ display:grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap:16px; margin-bottom:16px; }
form .form-group{ margin-bottom:16px; }
form label{ font-size:0.75rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--grey); display:block; margin-bottom:6px; }
form input, form textarea, form select{
  width:100%; padding:12px 14px; border:1px solid var(--border); background:var(--white); border-radius: var(--radius);
}
.checkout-grid{ display:grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); gap: 50px; align-items:start; }
.payment-note{
  background: var(--cream); border:1px solid var(--border); padding:16px 18px; font-size:0.82rem; color:var(--grey); margin-top: 18px;
}

/* ===== Footer ===== */
footer.site-footer{ background: var(--black); color: rgba(255,255,255,0.65); padding: 60px 0 0; }
.footer-grid{ display:grid; grid-template-columns: minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr) minmax(0,1fr); gap: 40px; padding-bottom: 40px; }
.footer-grid h4{ color:var(--white); font-size:0.95rem; margin-bottom:16px; }
.footer-grid ul li{ margin-bottom:10px; font-size:0.85rem; }
.footer-grid a:hover{ color: var(--gold-light); }
.footer-brand .logo{ color:var(--white); }
.footer-brand p{ color: rgba(255,255,255,0.5); font-size:0.85rem; max-width:280px; }
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);
  padding: 22px 0 30px; font-size:0.72rem; color: rgba(255,255,255,0.4);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}
.footer-disclaimer{
  background: rgba(255,255,255,0.04); font-size: 0.72rem; padding: 18px 0; color: rgba(255,255,255,0.45); line-height:1.7;
}

/* ===== Age gate ===== */
.age-gate-overlay{
  position: fixed; inset:0; background: var(--black); z-index: 999;
  display:flex; align-items:center; justify-content:center; padding: 24px;
}
.age-gate-box{
  background: var(--off-white); max-width: 460px; width:100%; padding: 44px 40px; text-align:center;
}
.age-gate-box .logo{ justify-content:center; display:flex; margin-bottom:20px; }
.age-gate-actions{ display:flex; gap:14px; margin-top:26px; }
.age-gate-actions .btn{ flex:1; }

/* ===== Misc pages ===== */
.page-hero{
  background: linear-gradient(160deg, var(--black) 0%, var(--near-black) 100%);
  color:var(--white); padding: 70px 0 50px; text-align:center;
  position:relative; overflow:hidden;
}
.page-hero::before{
  content:""; position:absolute; inset:0;
  background-image:url('images/backgrounds/molecule-pattern.svg');
  background-size:300px 300px; opacity:0.12; mix-blend-mode:screen; pointer-events:none;
}
.page-hero::after{
  content:""; position:absolute; inset:0;
  background: radial-gradient(ellipse at 80% 20%, rgba(185,151,74,0.18), transparent 60%);
  pointer-events:none;
}
.page-hero .container{ position:relative; z-index:1; }
.page-hero h1{ color:var(--white); }
.prose{ max-width: 760px; margin: 0 auto; }
.prose h2{ margin-top: 2em; }
.prose ul{ list-style: disc; padding-left: 22px; margin-bottom:1em; }
.prose li{ margin-bottom:0.5em; color:var(--grey); }
.accordion-item{ border-bottom:1px solid var(--border); }
.accordion-q{
  padding: 20px 4px; display:flex; justify-content:space-between; align-items:center;
  font-family: var(--serif); font-size:1.1rem; cursor:pointer;
}
.accordion-a{ padding: 0 4px 20px; color:var(--grey); display:none; }
.accordion-item.open .accordion-a{ display:block; }
.accordion-item.open .accordion-plus{ transform: rotate(45deg); }
.accordion-plus{ transition: transform 0.2s ease; color: var(--gold); font-size:1.4rem; }

.badge-row{ display:flex; gap:12px; flex-wrap:wrap; margin-top:20px; }
.badge{
  border:1px solid var(--border); padding:8px 14px; font-size:0.72rem; letter-spacing:0.05em; text-transform:uppercase; color:var(--grey);
}

.toast{
  position: fixed; bottom: 26px; right: 26px; background: var(--black); color:var(--white);
  padding: 16px 22px; font-size:0.85rem; border-left: 3px solid var(--gold);
  transform: translateY(120%); opacity:0; transition: all 0.3s ease; z-index: 500; max-width: 320px;
}
.toast.show{ transform: translateY(0); opacity:1; }

/* ===== Responsive ===== */
@media (max-width: 980px){
  .category-grid{ grid-template-columns: repeat(2,1fr); }
  .product-grid{ grid-template-columns: repeat(2,1fr); }
  .trust-strip{ grid-template-columns: repeat(2,1fr); }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .product-detail{ grid-template-columns: 1fr; }
  .pd-image{ position: static; max-width: 420px; margin: 0 auto; }
  .checkout-grid{ grid-template-columns: 1fr; }
  .bundle-grid{ grid-template-columns: 1fr; }
}
@media (max-width: 640px){
  nav.main-nav{ display:none; }
  .menu-toggle{ display:block; }
  .category-grid{ grid-template-columns: 1fr; }
  .product-grid{ grid-template-columns: repeat(2,1fr); gap:14px; }
  .trust-strip{ grid-template-columns: 1fr 1fr; }
  form .form-row{ grid-template-columns: 1fr; }
  .cart-summary{ position:static; }
  .footer-grid{ grid-template-columns: 1fr; }
}