/* ===== Base / Tokens ===== */
:root{
  --bg: #050818;
  --bg-alt: #070b21;
  --surface: #0d1330;
  --surface-2: #121a44;
  --border: #232c66;
  --text: #eef1fb;
  --text-dim: #a4addc;
  --text-faint: #5c649a;
  --mint: #4f6bff;
  --mint-strong: #2439c9;
  --amber: #7dd3fc;
  --danger: #a78bfa;
  --radius: 18px;
  --radius-sm: 10px;
  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --maxw: 1180px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block; max-width:100%;}
a{color:inherit; text-decoration:none;}
button{font-family:inherit; cursor:pointer; background:none; border:none; color:inherit;}
ul{list-style:none;}

.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 28px;
}

.noise-overlay{
  position:fixed; inset:0; pointer-events:none; z-index:2000;
  background-image:radial-gradient(circle at 1px 1px, rgba(255,255,255,.025) 1px, transparent 0);
  background-size:3px 3px;
  opacity:.5;
}

h1,h2,h3,h4{font-family:var(--font-head); font-weight:600; letter-spacing:-0.01em;}

.eyebrow{
  display:inline-block;
  font-size:12.5px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--mint);
  font-weight:600;
  margin-bottom:10px;
}

.grad-text{
  background:linear-gradient(100deg, var(--mint) 10%, var(--mint-strong) 55%, var(--amber) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 24px;
  border-radius:100px;
  font-weight:700;
  font-size:15px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(100deg, var(--mint) 0%, var(--mint-strong) 100%);
  color:#f2f5ff;
  box-shadow:0 8px 24px -8px rgba(79,107,255,.5);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 28px -8px rgba(79,107,255,.65);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}
.btn-ghost:hover{border-color:var(--mint); color:var(--mint);}
.btn-sm{padding:10px 18px; font-size:13.5px;}
.btn-block{width:100%;}

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(5,8,24,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:72px;
}
.brand{display:flex; align-items:center; gap:9px; flex-shrink:0;}
.brand-mark{display:flex; flex-shrink:0; width:28px; height:28px;}
.brand-mark img{flex-shrink:0; width:28px; height:28px; object-fit:contain;}
.footer-brand .brand-mark{width:24px; height:24px;}
.footer-brand .brand-mark img{width:24px; height:24px;}
.brand-name{font-family:var(--font-body); font-size:19px; font-weight:800; letter-spacing:-.02em; text-transform:lowercase; color:var(--text);}

.main-nav{display:flex; align-items:center; gap:30px;}
.main-nav a{
  font-size:14.5px; font-weight:600; color:var(--text-dim);
  transition:color .15s ease;
}
.main-nav a:hover{color:var(--text);}

.header-actions{display:flex; align-items:center; gap:10px;}
.wa-chip{
  display:flex; align-items:center; gap:7px;
  background:var(--surface-2);
  border:1px solid var(--border);
  padding:9px 16px;
  border-radius:100px;
  font-size:13.5px; font-weight:600;
  color:var(--text-dim);
}
.wa-chip:hover{color:var(--mint); border-color:var(--mint);}
.cart-btn{
  position:relative;
  width:42px; height:42px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border);
  border-radius:100px;
  color:var(--text);
}
.cart-btn:hover{border-color:var(--mint); color:var(--mint);}
.cart-count{
  position:absolute; top:-5px; right:-5px;
  background:var(--mint); color:#f2f5ff;
  font-size:10.5px; font-weight:800;
  width:18px; height:18px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.burger{display:none; flex-direction:column; gap:4px; width:34px; height:34px; align-items:center; justify-content:center;}
.burger span{width:18px; height:2px; background:var(--text); border-radius:2px; transition:.2s;}

/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 76px;
  isolation:isolate;
}
.hero-glow{
  position:absolute;
  border-radius:50%;
  filter:blur(70px);
  pointer-events:none;
  z-index:-2;
}
.hero-glow-1{
  width:560px; height:560px;
  top:-260px; left:50%;
  transform:translateX(-50%);
  background:radial-gradient(circle, rgba(79,107,255,.45) 0%, rgba(79,107,255,0) 70%);
}
.hero-glow-2{
  width:420px; height:420px;
  bottom:-220px; right:-80px;
  background:radial-gradient(circle, rgba(125,211,252,.28) 0%, rgba(125,211,252,0) 70%);
}
.hero-dots{
  position:absolute; inset:0;
  z-index:-1;
  background-image:radial-gradient(rgba(164,173,220,.28) 1px, transparent 1px);
  background-size:26px 26px;
  mask-image:radial-gradient(ellipse 700px 420px at 50% 10%, #000 0%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 700px 420px at 50% 10%, #000 0%, transparent 75%);
}
.hero-grid{
  display:flex;
  justify-content:center;
}
.hero-copy{
  max-width:640px;
  text-align:center;
}
.eyebrow-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px 8px 12px;
  border-radius:100px;
  background:var(--surface-2);
  border:1px solid var(--border);
  color:var(--mint);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:22px;
}
.flag-co{border-radius:2px; flex-shrink:0; box-shadow:0 0 0 1px rgba(255,255,255,.08);}
.hero-copy h1{
  font-size:clamp(32px, 4.2vw, 52px);
  line-height:1.08;
  margin:0 0 20px;
}
.hero-sub{
  color:var(--text-dim);
  font-size:17px;
  max-width:480px;
  margin:0 auto 32px;
}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap; justify-content:center; margin-bottom:52px;}
.hero-stats{
  display:flex; gap:0; flex-wrap:wrap; justify-content:center;
  background:rgba(13,19,48,.6);
  border:1px solid var(--border);
  border-radius:100px;
  padding:18px 8px;
  max-width:520px;
  margin:0 auto;
  backdrop-filter:blur(6px);
}
.hero-stats div{
  display:flex; flex-direction:column; gap:2px; align-items:center;
  flex:1; min-width:120px;
  padding:0 16px;
  border-left:1px solid var(--border);
}
.hero-stats div:first-child{border-left:none;}
.hero-stats strong{font-family:var(--font-head); font-size:22px; color:var(--mint);}
.hero-stats span{font-size:12.5px; color:var(--text-faint);}

/* ===== Trust bar ===== */
.trust-bar{border-top:1px solid var(--border); border-bottom:1px solid var(--border); background:var(--bg-alt);}
.trust-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
  padding:22px 28px;
}
.trust-item{display:flex; align-items:center; gap:10px; color:var(--text-dim); font-size:13.5px; font-weight:600;}
.trust-item svg{color:var(--mint); flex-shrink:0;}

/* ===== Section head ===== */
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:20px; margin-bottom:32px; flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3vw,34px);}
.section-head.center{flex-direction:column; align-items:center; text-align:center;}
.section-sub{color:var(--text-dim); max-width:460px; margin-top:8px;}

/* ===== Catalog ===== */
.catalog{padding:80px 0;}
.catalog-controls{display:flex; gap:10px; flex-wrap:wrap;}
.select{
  background:var(--surface); border:1px solid var(--border); color:var(--text);
  padding:11px 16px; border-radius:100px; font-size:13.5px; font-weight:600;
}
.search-input{
  background:var(--surface); border:1px solid var(--border); color:var(--text);
  padding:11px 18px; border-radius:100px; font-size:13.5px; font-weight:500;
  font-family:inherit; width:220px; max-width:100%;
}
.search-input::placeholder{color:var(--text-faint);}
.search-input:focus{outline:none; border-color:var(--mint);}
.filter-row{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom:34px;
}
.category-select{display:none;}
.pill{
  padding:9px 17px; border-radius:100px; border:1px solid var(--border);
  font-size:13px; font-weight:600; color:var(--text-dim);
  background:var(--surface);
  transition:.15s ease;
}
.pill:hover{color:var(--text); border-color:var(--mint);}
.pill.active{background:var(--mint); color:#f2f5ff; border-color:var(--mint);}

.product-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(230px, 1fr));
  gap:16px;
}
.p-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  display:flex; flex-direction:column;
  transition:border-color .2s ease, transform .2s ease;
  position:relative;
}
.p-card:hover{border-color:var(--mint); transform:translateY(-3px);}
.p-card-link{display:flex; flex-direction:column; flex:1; color:inherit; text-decoration:none;}
.p-card-top{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:6px;}
.p-badges{display:flex; flex-wrap:wrap; gap:6px;}
.p-badge{
  font-size:10px; font-weight:800; letter-spacing:.04em; text-transform:uppercase;
  padding:5px 10px; border-radius:100px;
}
.badge-popular{background:rgba(79,107,255,.14); color:var(--mint);}
.badge-new{background:rgba(125,211,252,.15); color:var(--amber);}
.badge-blend{background:rgba(167,139,250,.14); color:var(--danger);}
.p-purity{font-size:11px; color:var(--text-faint); font-weight:700;}
.p-vial{display:flex; justify-content:center; padding:10px 0 6px;}
.p-vial .vial-wrap{width:190px;}

/* ===== Vial photo + label overlay (compartido entre catálogo y carrito) ===== */
.vial-wrap{
  position:relative;
  width:100%;
  aspect-ratio:420/630;
  container-type:inline-size;
}
.vial-img{position:absolute; inset:0; width:100%; height:100%; object-fit:contain; display:block;}
.vial-name-overlay{
  position:absolute; left:26.5%; width:45%; top:59.5%; height:8%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; line-height:1.05; overflow:hidden;
  color:#072d91; font-weight:800; font-family:Arial, sans-serif;
  font-size:6.5cqw;
}
.vial-name-overlay.name-2line{font-size:4.6cqw;}
.p-name{font-size:16px; font-weight:700; margin:6px 0 2px;}
.p-dose{font-size:12.5px; color:var(--text-faint); margin-bottom:6px;}
.p-note{font-size:11px; color:var(--text-faint); margin-bottom:14px; flex:1;}
.p-foot{display:flex; align-items:center; justify-content:space-between; gap:10px;}
.p-price{font-family:var(--font-head); font-weight:700; font-size:15.5px;}
.p-add{
  width:38px; height:38px; border-radius:100px;
  border:1px solid var(--border);
  display:flex; align-items:center; justify-content:center;
  color:var(--text); font-size:18px; font-weight:700;
  transition:.15s ease;
}
.p-add:hover{background:var(--mint); border-color:var(--mint); color:#f2f5ff;}
.empty-state{grid-column:1/-1; text-align:center; color:var(--text-faint); padding:40px 0;}

/* ===== How to buy ===== */
.how-to-buy{padding:80px 0; background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
.steps{
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
  margin-bottom:50px;
}
.step{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px 24px;
}
.step-num{
  display:inline-block; font-family:var(--font-head); font-size:14px; font-weight:700;
  color:var(--mint); border:1px solid var(--border); border-radius:100px;
  width:38px; height:38px; line-height:36px; text-align:center; margin-bottom:16px;
}
.step h3{font-size:18px; margin-bottom:8px;}
.step p{font-size:13.5px; color:var(--text-dim);}

.cta-strip{
  display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap;
  background:linear-gradient(100deg, rgba(79,107,255,.1), rgba(125,211,252,.06));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 30px;
}
.cta-strip p{font-weight:600; font-size:15.5px;}
.cta-strip-actions{display:flex; align-items:center; gap:12px; flex-wrap:wrap;}

/* ===== FAQ ===== */
.faq{padding:80px 0;}
.faq-list{max-width:720px; margin:0 auto;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding:20px 4px; font-size:15.5px; font-weight:700; text-align:left;
}
.faq-q span{font-size:20px; color:var(--mint); transition:transform .2s ease;}
.faq-item.open .faq-q span{transform:rotate(45deg);}
.faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease;}
.faq-a p{padding:0 4px 20px; color:var(--text-dim); font-size:14px; max-width:640px;}

/* ===== Footer ===== */
.site-footer{padding:64px 0 0; background:var(--bg-alt); border-top:1px solid var(--border);}
.footer-grid{
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:36px;
  padding-bottom:50px;
}
.footer-brand p{color:var(--text-dim); font-size:13.5px; margin:16px 0 14px; max-width:280px;}
.footer-wa{color:var(--mint); font-weight:700; font-size:13.5px;}
.footer-col h4{font-size:13px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:16px;}
.footer-col a{display:block; color:var(--text-dim); font-size:14px; margin-bottom:12px;}
.footer-col a:hover{color:var(--mint);}
.footer-legal{
  border-top:1px solid var(--border);
  padding:22px 28px 30px;
  display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap;
}
.footer-legal p{font-size:11px; color:var(--text-faint); max-width:600px;}
.copyright{white-space:nowrap;}

/* ===== Cart drawer ===== */
.cart-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:998;
  opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.cart-overlay.show{opacity:1; pointer-events:auto;}
.cart-drawer{
  position:fixed; top:0; right:0; height:100%; width:400px; max-width:90vw;
  background:var(--surface); border-left:1px solid var(--border);
  z-index:999; transform:translateX(100%); transition:transform .3s ease;
  display:flex; flex-direction:column;
}
.cart-drawer.open{transform:translateX(0);}
.cart-head{display:flex; align-items:center; justify-content:space-between; padding:22px 24px; border-bottom:1px solid var(--border);}
.cart-head h3{font-size:18px;}
.cart-head button{font-size:18px; color:var(--text-dim);}
.cart-body{flex:1; overflow-y:auto; padding:20px 24px;}
.cart-empty{height:100%; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:10px; color:var(--text-faint); text-align:center;}
.cart-empty a{color:var(--mint); font-weight:600; font-size:13.5px;}
.cart-line{display:flex; gap:12px; align-items:flex-start; padding:14px 0; border-bottom:1px solid var(--border);}
.cart-line-vial{width:44px; flex-shrink:0;}
.cart-line-vial .vial-wrap{width:44px;}
.cart-line-info{flex:1;}
.cart-line-info h5{font-size:14px; font-weight:700; margin-bottom:4px;}
.cart-line-info span{font-size:12px; color:var(--text-faint);}
.cart-line-tier{color:var(--mint); font-style:normal; font-weight:600;}
.cart-line-total{font-family:var(--font-head); font-weight:700; font-size:13px; white-space:nowrap;}
.cart-qty{display:flex; align-items:center; gap:8px; margin-top:6px;}
.cart-qty button{width:24px; height:24px; border:1px solid var(--border); border-radius:6px; font-size:14px;}
.cart-remove{color:var(--danger); font-size:12px; margin-top:6px;}
.cart-foot{border-top:1px solid var(--border); padding:20px 24px; overflow-y:auto;}

.cart-totals{
  background:var(--surface-2); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:14px; margin-bottom:18px;
}
.totals-row{display:flex; justify-content:space-between; font-size:13px; color:var(--text-dim); padding:3px 0;}
.totals-row strong{color:var(--text); font-weight:700;}
.totals-row strong.is-free{color:var(--mint);}
.totals-total{border-top:1px solid var(--border); margin-top:6px; padding-top:9px; font-size:14.5px;}
.totals-total span, .totals-total strong{color:var(--text); font-weight:800;}

.checkout-form{display:flex; flex-direction:column; gap:12px;}
.cf-field{display:flex; flex-direction:column; gap:5px;}
.cf-field span{font-size:11.5px; font-weight:700; color:var(--text-dim);}
.cf-field input{
  background:var(--bg); border:1px solid var(--border); color:var(--text);
  padding:10px 13px; border-radius:var(--radius-sm); font-size:13.5px; font-family:inherit;
}
.cf-field input:focus{outline:none; border-color:var(--mint);}
.cf-field .promo-feedback{font-size:12px; font-weight:600; min-height:14px;}
.cf-field .promo-feedback.ok{color:var(--mint);}
.cf-field .promo-feedback.error{color:var(--danger);}
.checkout-msg{
  background:rgba(240,118,95,.12); border:1px solid rgba(240,118,95,.3); color:var(--danger);
  padding:10px 13px; border-radius:var(--radius-sm); font-size:12.5px;
}

.cart-success{
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; padding:32px 28px; gap:6px;
}
.cart-success[hidden]{display:none;}
.success-icon{
  width:52px; height:52px; border-radius:50%; background:rgba(79,107,255,.15); color:var(--mint);
  display:flex; align-items:center; justify-content:center; font-size:24px; font-weight:800; margin-bottom:10px;
}
.cart-success h4{font-size:19px; margin-bottom:4px;}
.cart-success p{color:var(--text-dim); font-size:13.5px;}
.success-code{font-family:var(--font-head); font-size:22px; font-weight:700; color:var(--mint); margin:4px 0;}
.success-sub{margin-bottom:18px !important;}
.cart-success .btn{margin-top:8px; width:100%;}

/* ===== Product detail page ===== */
.breadcrumb{
  padding:20px 28px 0;
  font-size:13px; color:var(--text-faint);
  display:flex; gap:8px; flex-wrap:wrap; align-items:center;
}
.breadcrumb a{color:var(--text-dim);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb .bc-cat{color:var(--text-dim);}

.product-detail-loading{padding:120px 28px; text-align:center; color:var(--text-faint);}

.product-not-found{
  padding:100px 28px; text-align:center;
  display:flex; flex-direction:column; align-items:center; gap:14px;
}
.product-not-found h2{font-size:24px;}
.product-not-found p{color:var(--text-dim); max-width:420px;}

.product-detail{
  display:grid; grid-template-columns:400px 1fr; gap:56px;
  padding:40px 28px 20px;
  align-items:start;
}
.pd-visual{
  position:sticky; top:100px;
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:30px; display:flex; justify-content:center; align-items:center;
}
.pd-vial-slot{width:300px;}

.pd-badges{margin-bottom:10px;}
.pd-category{
  display:block; font-size:12.5px; font-weight:700; color:var(--mint);
  text-transform:uppercase; letter-spacing:.04em; margin-bottom:8px;
}
.pd-info h1{font-size:clamp(24px,3vw,32px); margin-bottom:10px;}
.pd-specs{color:var(--text-faint); font-size:13.5px; margin-bottom:16px;}
.pd-description{color:var(--text-dim); font-size:15px; line-height:1.6; max-width:560px; margin-bottom:28px;}

.pd-price-row{margin-bottom:14px; display:flex; align-items:baseline; gap:12px; flex-wrap:wrap;}
.pd-price{font-family:var(--font-head); font-size:26px; font-weight:800;}
.pd-price-note{font-size:12.5px; color:var(--mint); font-weight:600;}

.pd-tiers{
  display:grid; grid-template-columns:repeat(4, 1fr); gap:10px;
  margin-bottom:20px;
}
.pd-tier{
  position:relative; text-align:left; border:1px solid var(--border); border-radius:12px;
  padding:12px 10px; background:var(--surface); display:flex; flex-direction:column; gap:3px;
  transition:border-color .2s ease, background .2s ease;
}
.pd-tier:hover{border-color:var(--mint);}
.pd-tier.active{border-color:var(--mint); background:rgba(90,200,180,.08);}
.pd-tier-badge{
  position:absolute; top:-9px; right:8px; background:var(--mint); color:#06140f;
  font-size:9px; font-weight:800; padding:2px 7px; border-radius:100px; letter-spacing:.03em;
}
.pd-tier-label{font-size:13px; font-weight:700;}
.pd-tier-range{font-size:11px; color:var(--text-faint);}
.pd-tier-save{font-size:11px; color:var(--mint); font-weight:600;}

.pd-wholesale-btn{
  display:inline-block; margin:-8px 0 24px; font-size:13px; font-weight:600;
  color:var(--text-dim); text-decoration:underline; text-underline-offset:3px;
}
.pd-wholesale-btn:hover{color:var(--mint);}

.pd-buy-row{display:flex; align-items:center; gap:16px; margin-bottom:28px; flex-wrap:wrap;}
.qty-stepper{
  display:flex; align-items:center; gap:14px;
  border:1px solid var(--border); border-radius:100px; padding:8px 18px;
  background:var(--surface);
}
.qty-stepper button{font-size:16px; font-weight:700; color:var(--text); width:20px;}
.qty-stepper button:hover{color:var(--mint);}
.qty-stepper span{min-width:16px; text-align:center; font-weight:700;}

.pd-trust{display:flex; flex-direction:column; gap:10px;}
.pd-trust li{
  list-style:none; font-size:13.5px; color:var(--text-dim);
  padding-left:22px; position:relative;
}
.pd-trust li::before{
  content:"✓"; position:absolute; left:0; color:var(--mint); font-weight:700;
}

.pd-secondary{padding:20px 28px 60px;}
.pd-ficha{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px 30px; max-width:640px;
}
.pd-ficha h2{font-size:19px; margin-bottom:18px;}
.ficha-table{width:100%; border-collapse:collapse; font-size:13.5px;}
.ficha-table tr{border-bottom:1px solid var(--border);}
.ficha-table tr:last-child{border-bottom:none;}
.ficha-table th{
  text-align:left; padding:12px 16px 12px 0; color:var(--text-faint);
  font-weight:600; white-space:nowrap; width:40%;
}
.ficha-table td{padding:12px 0; color:var(--text);}
.p-coa-btn{
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  padding:9px 16px; border-radius:100px; font-weight:700; font-size:13px;
  background:rgba(34,197,94,.14); color:#22c55e; border:1px solid rgba(34,197,94,.4);
  transition:.15s ease;
}
.p-coa-btn:hover{background:rgba(34,197,94,.22); border-color:#22c55e;}
.p-coa-btn.p-coa-btn-disabled{
  background:var(--surface-2); color:var(--text-faint); border-color:var(--border);
  cursor:default; font-weight:600;
}

.related{padding:20px 28px 80px;}

/* ===== Cómo comprar page ===== */
.htb-hero{padding:56px 28px 8px; text-align:center;}
.htb-hero h1{font-size:clamp(28px,3.6vw,40px); margin:14px 0 12px;}
.htb-hero .section-sub{max-width:600px; margin:0 auto;}
.htb-info{padding:0 0 80px;}
.htb-info-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
.htb-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px 28px;
}
.htb-card h3{font-size:16.5px; margin-bottom:10px;}
.htb-card p{font-size:13.5px; color:var(--text-dim); line-height:1.6;}

/* ===== Guías page ===== */
.guia-section{padding:60px 0;}
.guia-section-alt{background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
.guia-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-top:28px;}
.guia-block{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:24px 26px;
}
.guia-block-wide{grid-column:1 / -1; margin-top:20px;}
.guia-block h3{font-size:15.5px; margin-bottom:10px;}
.guia-block p{font-size:13.5px; color:var(--text-dim); line-height:1.65; margin-bottom:10px;}
.guia-block p:last-child{margin-bottom:0;}
.guia-list{display:flex; flex-direction:column; gap:9px; font-size:13.5px; color:var(--text-dim); line-height:1.55;}
.guia-list li{list-style:none; padding-left:18px; position:relative;}
.guia-list li::before{content:"—"; position:absolute; left:0; color:var(--mint);}
.guia-list-cols{display:grid; grid-template-columns:repeat(2,1fr); gap:9px 24px;}
.guia-steps{display:flex; flex-direction:column; gap:10px; font-size:13.5px; color:var(--text-dim); line-height:1.55; counter-reset:guia-step; padding-left:0;}
.guia-steps li{list-style:none; counter-increment:guia-step; padding-left:30px; position:relative;}
.guia-steps li::before{
  content:counter(guia-step); position:absolute; left:0; top:0;
  width:20px; height:20px; border-radius:50%; background:var(--surface-2); border:1px solid var(--border);
  color:var(--mint); font-family:var(--font-head); font-size:11px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}
.guia-list strong, .guia-steps strong{color:var(--text);}
.guia-disclaimer{margin-top:28px; text-align:center; font-size:12px; color:var(--text-faint); line-height:1.6;}

/* ===== Checkout page ===== */
.checkout-page{padding:40px 28px 90px;}
.checkout-title{font-size:clamp(24px,3vw,30px); margin-bottom:6px;}
.checkout-layout{
  display:grid; grid-template-columns:1.2fr 1fr; gap:40px; align-items:start;
}
.co-fields{display:flex; flex-direction:column; gap:18px;}
.checkout-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px 28px;
}
.co-summary h2{font-size:17px; margin-bottom:14px;}
.co-summary .cart-body{padding:0;}
.co-summary .cart-empty{padding:32px 0;}
.co-summary .cart-line{padding:10px 0; gap:10px;}
.co-summary .cart-line-vial{display:none;}
.co-summary .cart-line-info{display:flex; align-items:baseline; flex-wrap:wrap; gap:4px 8px;}
.co-summary .cart-line-info h5{font-size:13px; margin:0;}
.co-summary .cart-qty{margin-top:4px;}
.co-summary .cart-qty button{width:20px; height:20px; font-size:12px;}
.co-summary-foot{display:flex; flex-direction:column; gap:18px; margin-top:6px;}
.co-summary-foot[hidden]{display:none;}
.co-summary .cart-totals{margin-bottom:0;}
.cf-promo{margin:0;}
.co-payment-info{
  background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:16px 18px;
}
.co-payment-info h3{font-size:13.5px; margin-bottom:12px;}
.co-payment-steps{display:flex; flex-direction:column; gap:10px; counter-reset:pay-step; margin:0;}
.co-payment-steps li{
  list-style:none; counter-increment:pay-step; position:relative;
  padding-left:26px; font-size:12.5px; color:var(--text-dim); line-height:1.5;
}
.co-payment-steps li::before{
  content:counter(pay-step); position:absolute; left:0; top:0;
  width:18px; height:18px; border-radius:50%; background:var(--surface); border:1px solid var(--border);
  color:var(--mint); font-family:var(--font-head); font-size:10.5px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}
.cf-check{display:flex; align-items:flex-start; gap:10px; cursor:pointer;}
.cf-check input{margin-top:3px; flex-shrink:0; width:15px; height:15px; accent-color:var(--mint);}
.cf-check span{font-size:12.5px; color:var(--text-dim); line-height:1.5;}
.pay-method-options{display:flex; flex-direction:column; gap:8px;}
.pay-method-option{
  display:flex; align-items:center; gap:10px; cursor:pointer;
  padding:11px 14px; border:1px solid var(--border); border-radius:var(--radius-sm);
  transition:.15s ease;
}
.pay-method-option:has(input:checked){border-color:var(--mint); background:rgba(79,107,255,.08);}
.pay-method-option input{accent-color:var(--mint); width:15px; height:15px; flex-shrink:0;}
.pay-method-option span{font-size:13px; font-weight:600; color:var(--text);}
.pay-method-badge{color:var(--mint); font-weight:800; font-size:11.5px;}
.co-disclaimer{font-size:11.5px; color:var(--text-faint); text-align:center; line-height:1.5;}
.co-success-card{max-width:440px; margin:24px auto 0;}
.co-success-card[hidden]{display:none;}
.co-success-card .cart-success{padding:8px 4px;}
#checkoutMain:has(#cartSuccess:not([hidden])) .co-fields,
#checkoutMain:has(#paymentInfoScreen:not([hidden])) .co-fields{display:none;}
#checkoutMain:has(#cartSuccess:not([hidden])) .co-summary,
#checkoutMain:has(#paymentInfoScreen:not([hidden])) .co-summary{display:none;}

.pay-info-screen{padding:8px 4px; text-align:center;}
.pay-info-screen h4{font-size:19px; margin-bottom:10px;}
.pay-info-order{font-size:13.5px; color:var(--text-dim); margin-bottom:18px;}
.pay-info-order strong{color:var(--text);}
.pay-info-qr{
  display:block; width:220px; height:220px; object-fit:contain; border-radius:14px;
  background:#fff; padding:12px; margin:0 auto 18px;
}
.pay-info-key{
  display:flex; align-items:center; justify-content:space-between;
  background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius-sm);
  padding:14px 18px; margin-bottom:12px; text-align:left;
}
.pay-info-key span{font-size:12.5px; color:var(--text-faint); font-weight:600;}
.pay-info-key strong{font-family:var(--font-head); font-size:16px; letter-spacing:.02em;}
.pay-info-holder{font-size:13px; color:var(--text-dim); margin-bottom:14px;}
.pay-info-hint{font-size:12px; color:var(--text-faint); line-height:1.5; margin-bottom:20px;}

/* ===== Responsive ===== */
@media (max-width: 960px){
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .product-detail{grid-template-columns:1fr; padding:28px 20px 10px;}
  .pd-visual{position:static; padding:24px;}
  .pd-vial-slot{width:220px;}
  .pd-secondary{padding:10px 20px 60px;}
  .related{padding:10px 20px 60px;}
  .htb-info-grid{grid-template-columns:1fr;}
  .guia-grid{grid-template-columns:1fr;}
  .guia-list-cols{grid-template-columns:1fr;}
  .checkout-layout{grid-template-columns:1fr;}
  .checkout-page{padding:28px 20px 60px;}
  .pd-tiers{grid-template-columns:1fr 1fr;}
}
@media (max-width: 480px){
  .hero-stats{flex-direction:column; border-radius:var(--radius); padding:6px 8px;}
  .hero-stats div{
    border-left:none; border-top:1px solid var(--border);
    padding:14px 0; width:100%;
  }
  .hero-stats div:first-child{border-top:none;}
}
@media (max-width: 720px){
  .main-nav{
    position:fixed; top:72px; left:0; right:0; height:calc(100vh - 72px);
    background:var(--bg);
    flex-direction:column; align-items:flex-start; gap:0;
    padding:10px 28px 20px;
    transform:translateY(-120%); opacity:0; transition:.25s ease;
    z-index:99;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0); opacity:1;}
  .main-nav a{padding:12px 0; width:100%; border-bottom:1px solid var(--border);}
  .burger{display:flex;}
  .header-actions{gap:14px;}
  .wa-chip{
    width:42px; height:42px; padding:0;
    justify-content:center; gap:0;
  }
  .wa-chip span{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-strip{flex-direction:column; align-items:flex-start;}
  .filter-row{display:none;}
  .category-select{display:block; width:100%; margin-bottom:28px;}
  .product-grid{grid-template-columns:repeat(2, 1fr); gap:10px;}
  .p-card{padding:12px;}
  .p-vial{padding:8px 0 5px;}
  .p-vial .vial-wrap{width:100%;}
  .p-card-top{flex-direction:column; align-items:flex-start; gap:5px;}
  .p-badge{font-size:8.5px; padding:4px 8px; white-space:nowrap;}
  .p-purity{font-size:8.5px; white-space:nowrap;}
  .p-name{font-size:13px; margin:5px 0 1px;}
  .p-dose{font-size:10.5px; margin-bottom:5px;}
  .p-note{font-size:9.5px; margin-bottom:8px;}
  .p-price{font-size:12.5px;}
  .p-add{width:30px; height:30px; font-size:15px;}
}

/* ===== Age / RUO gate ===== */
.age-gate-overlay{
  position:fixed; inset:0; z-index:2000;
  background:rgba(6,10,20,.88); backdrop-filter:blur(6px);
  display:flex; align-items:center; justify-content:center;
  padding:20px;
}
.age-gate-overlay[hidden]{display:none;}
.age-gate-card{
  width:100%; max-width:480px;
  background:var(--surface); border:1px solid var(--border); border-radius:16px;
  padding:32px 28px 28px; text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.5);
}
.age-gate-icon{
  width:48px; height:48px; margin:0 auto 16px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  background:rgba(90,200,180,.12); color:var(--mint);
}
.age-gate-card h2{font-size:20px; margin-bottom:10px;}
.age-gate-sub{font-size:13.5px; color:var(--text-dim); line-height:1.5; margin-bottom:20px;}
.age-gate-check{
  display:flex; align-items:flex-start; gap:10px; text-align:left;
  font-size:12.5px; color:var(--text-dim); line-height:1.5;
  padding:12px 0; border-top:1px solid var(--border);
}
.age-gate-check:last-of-type{border-bottom:1px solid var(--border); margin-bottom:22px;}
.age-gate-check input{margin-top:3px; flex-shrink:0; width:16px; height:16px; accent-color:var(--mint);}
.age-gate-actions{display:flex; gap:12px; flex-wrap:wrap; justify-content:center;}
.age-gate-actions .btn{flex:1; min-width:160px;}
.age-gate-actions .btn:disabled{opacity:.45; cursor:not-allowed;}