/* Red Hand Research — one stylesheet for every page.
   Tokens first; the product card (from the approved design) further down. */

:root{
  --red:#c0392b; --deep-red:#7a1f1f; --ink:#161313; --muted:#726c69;
  --page:#f2f0ed; --white:#fff; --line:#e9e1dd; --soft:#f8f6f3;
  --amber:#a66b06; --amber-bg:#fff2d7; --green:#237446; --green-bg:#eaf6ee; --gray:#737373; --gray-bg:#efefef;
  --serif:'Libre Baskerville',Georgia,serif; --sans:'DM Sans',system-ui,-apple-system,Segoe UI,sans-serif;
  --radius:14px; --shadow:0 14px 32px #2a15130d,0 2px 7px #2a151312;
  --wrap:1250px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:15px/1.55 var(--sans)}
img,svg{max-width:100%}
a{color:var(--deep-red)}
button{font:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,4vw,48px)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}

/* ---------- header ---------- */
.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-header .bar{display:flex;align-items:center;gap:18px;min-height:66px}
.logo-link{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);margin-right:auto}
.logo-link img{width:40px;height:40px;object-fit:contain}
.logo-link .brand-name{font:400 17px/1.1 var(--serif);letter-spacing:.02em;white-space:nowrap}
.logo-link .brand-sub{font-size:8px;letter-spacing:.38em;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:14px;padding:8px 12px;border-radius:8px}
.nav a:hover{background:var(--soft)}
.nav a[aria-current="page"]{color:var(--deep-red);background:#f7ecea}
.nav .cart-link{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--deep-red);color:var(--deep-red);border-radius:999px;padding:7px 14px}
.nav .cart-link .count{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--deep-red);color:#fff;font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center}
.ruo-strip{background:var(--deep-red);color:#fff;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;text-align:center;padding:6px 12px}
@media(max-width:720px){
  .nav a:not(.cart-link){padding:8px 9px;font-size:13px}
  .logo-link .brand-sub{display:none}
  .site-header .bar{gap:8px;min-height:58px}
}
@media(max-width:520px){
  .logo-link > div{display:none}
  .nav .cart-link{padding:7px 11px}
}

/* ---------- page heads + sections ---------- */
.page-head{padding:clamp(28px,5vw,56px) 0 22px}
.eyebrow{font-size:11px;letter-spacing:.23em;font-weight:800;color:var(--deep-red);text-transform:uppercase}
h1{font:400 clamp(28px,4.2vw,44px)/1.15 var(--serif);margin:8px 0 10px;text-wrap:balance}
h2{font:400 clamp(22px,3vw,30px)/1.2 var(--serif);margin:0 0 12px;text-wrap:balance}
h3{font:700 16px/1.3 var(--sans);margin:0 0 8px}
.lede{color:var(--muted);max-width:62ch;margin:0}
section{padding:26px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.section-head p{margin:0;color:var(--muted)}
.notice{font-size:12px;color:var(--muted);margin:24px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:9px;background:var(--deep-red);color:#fff;font:800 13px/1 var(--sans);letter-spacing:.02em;padding:13px 18px;cursor:pointer;text-decoration:none}
.btn:hover{background:#63181a}
.btn:disabled{background:#d8d3d0;color:#777;cursor:not-allowed}
.btn.secondary{background:var(--white);color:var(--deep-red);border:1.5px solid var(--deep-red)}
.btn.secondary:hover{background:#f7ecea}
.btn.small{padding:9px 13px;font-size:12px}
.link-arrow{font-weight:700;text-decoration:none}
.link-arrow::after{content:" →"}

/* ---------- hero (home) ---------- */
.hero{padding:clamp(36px,6vw,72px) 0 clamp(20px,4vw,40px)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,58px);margin:12px 0 14px}
.hero p{font-size:17px;color:var(--muted);max-width:52ch;margin:0 0 22px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{display:flex;justify-content:center}
.hero-art img{width:min(100%,360px);height:auto;mix-blend-mode:multiply}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-art{order:-1}.hero-art img{width:150px}}
.trust{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.trust > div{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.trust .big{font:400 26px/1 var(--serif);color:var(--deep-red);margin-bottom:8px}
.trust p{margin:0;color:var(--muted);font-size:14px}
@media(max-width:720px){.trust{grid-template-columns:1fr}}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.cats a{display:block;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink);font-weight:700}
.cats a small{display:block;color:var(--muted);font-weight:500;margin-top:3px}
.cats a:hover{border-color:var(--deep-red)}

/* ---------- product grid + filters ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,330px),1fr));gap:24px}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 22px}
.chipbar{display:flex;gap:6px;flex-wrap:wrap}
.chipbar button{border:1px solid var(--line);background:var(--white);color:var(--ink);border-radius:999px;padding:8px 13px;font-weight:600;font-size:13px;cursor:pointer}
.chipbar button[aria-pressed="true"]{background:var(--deep-red);border-color:var(--deep-red);color:#fff}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--line);border-radius:999px;padding:6px 12px;min-width:220px}
.search input{border:0;outline:0;font:inherit;background:transparent;width:100%;min-width:0}
.empty{background:var(--white);border:1px dashed var(--line);border-radius:var(--radius);padding:36px;text-align:center;color:var(--muted)}
.status-line{color:var(--muted);font-size:13px;margin:0 0 16px}

/* ---------- product card (approved design) ---------- */
.card{position:relative;min-width:0;isolation:isolate;background:var(--white);border-radius:26px;padding:13px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card-inner{position:relative;flex:1;min-height:415px;border:1.5px solid var(--deep-red);border-radius:20px;padding:23px 20px 19px;overflow:visible}
.card .brand{display:flex;align-items:center;gap:10px;max-width:80%;margin-bottom:28px}
.card .brand img{width:53px;height:53px;object-fit:contain;mix-blend-mode:multiply}
.card .brand-rule{width:1px;height:44px;background:var(--deep-red)}
.card .brand-name{font:400 clamp(15px,2.1vw,23px)/1.2 var(--serif);white-space:nowrap}
.card .brand-sub{font-size:9px;letter-spacing:.38em;margin-top:4px}
.card .details{position:relative;z-index:2;max-width:70%}
.ref{display:flex;gap:9px;align-items:center;font-size:12px;font-weight:800;letter-spacing:.04em}
.ref strong{background:var(--deep-red);color:#fff;padding:4px 8px;border-radius:4px;font-size:11px}
.card .product-name{font:400 clamp(26px,3.1vw,40px)/1.15 var(--serif);margin:16px 0 10px;overflow-wrap:anywhere}
.card .product-name a{color:inherit;text-decoration:none}
.card .product-name a:hover{color:var(--deep-red)}
.red-rule{height:1px;background:var(--red);margin:12px 0 17px}
.size-title{font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:800;margin-bottom:8px}
.sizes{display:flex;flex-wrap:wrap;gap:6px}
.size-btn{border:1px solid #d9ceca;background:#fff;color:var(--ink);border-radius:8px;padding:7px 10px;font:700 12px var(--sans);cursor:pointer}
.size-btn[aria-pressed="true"]{background:var(--deep-red);border-color:var(--deep-red);color:#fff}
.size-btn.is-out{color:var(--gray);text-decoration:line-through}
.size-btn.is-out[aria-pressed="true"]{background:var(--gray);border-color:var(--gray);color:#fff}
.card .price{font-size:25px;font-weight:800;margin:15px 0 10px;font-variant-numeric:tabular-nums}
.chips{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.chip{font-size:10px;line-height:1.3;padding:6px 9px;border-radius:6px;font-weight:800;text-transform:uppercase;letter-spacing:.025em;white-space:nowrap}
.chip.ruo{background:var(--deep-red);color:#fff}
.stock-in{color:var(--green);background:var(--green-bg)}
.stock-low{color:var(--amber);background:var(--amber-bg)}
.stock-out{color:var(--gray);background:var(--gray-bg)}
.card .warning{font-size:9px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;margin:13px 0 0;line-height:1.5}
.card .buy{margin-top:15px}
.card .vial{position:absolute;z-index:1;width:35%;max-width:165px;right:-8px;bottom:-15px;filter:drop-shadow(5px 12px 8px #0002);transition:opacity .2s}
.vial.faded{opacity:.35}
.vial svg{display:block;width:100%;height:auto}
.vial text{font-family:var(--sans)}
@media(max-width:400px){
  .card{padding:9px;border-radius:20px}
  .card-inner{padding:17px 12px;min-height:385px;border-radius:15px}
  .card .brand img{width:42px;height:42px}.card .brand-rule{height:37px}.card .brand-name{font-size:15px}.card .brand-sub{font-size:7px}
  .card .brand{gap:7px;margin-bottom:27px}.card .details{max-width:72%}.card .product-name{font-size:27px}
  .card .vial{width:34%;right:-5px}.chip{font-size:9px;padding:5px 6px}.card .price{font-size:22px}.size-btn{padding:6px 8px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* ---------- product page ---------- */
.crumbs{font-size:13px;color:var(--muted);margin:18px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--deep-red)}
.pdp{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;align-items:start;padding:18px 0 40px}
.pdp-art{background:var(--white);border:1.5px solid var(--deep-red);border-radius:26px;min-height:420px;display:flex;align-items:center;justify-content:center;padding:30px;position:sticky;top:90px}
.pdp-art .vial{position:static;width:min(60%,240px);max-width:none;filter:drop-shadow(8px 18px 14px #0002)}
.pdp h1{margin:10px 0 6px}
.pdp .blurb{color:var(--muted);margin:10px 0 18px;max-width:60ch}
.pdp .price{font-size:32px;font-weight:800;margin:14px 0 6px;font-variant-numeric:tabular-nums}
.pdp .price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:8px}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px;background:var(--white);overflow:hidden}
.qty button{width:40px;height:42px;border:0;background:transparent;font-size:18px;cursor:pointer;color:var(--ink)}
.qty button:hover{background:var(--soft)}
.qty input{width:48px;text-align:center;border:0;font:700 15px var(--sans);height:42px;-moz-appearance:textfield}
.qty input::-webkit-inner-spin-button,.qty input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.buy-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:14px 0 18px}
.tiers{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px;margin:6px 0 18px}
.tiers th,.tiers td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
.tiers th{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);background:var(--soft)}
.tiers tr:last-child td{border-bottom:0}
.tiers td:last-child,.tiers th:last-child{text-align:right;font-variant-numeric:tabular-nums}
.specs{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:14px;margin:0;padding:16px 18px;background:var(--white);border:1px solid var(--line);border-radius:12px}
.specs dt{color:var(--muted)}
.specs dd{margin:0;font-weight:600}
@media(max-width:860px){.pdp{grid-template-columns:1fr}.pdp-art{position:static;min-height:300px}}

/* ---------- cart + checkout ---------- */
.cart-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr);gap:32px;align-items:start;padding-bottom:40px}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.panel h2{font-size:22px;margin-bottom:14px}
.line{display:grid;grid-template-columns:1fr auto auto;gap:12px 18px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.line:last-child{border-bottom:0}
.line .name{font-weight:700}
.line .sub{color:var(--muted);font-size:13px}
.line .sub .save{color:var(--green);font-weight:700}
.line .total{font-weight:800;font-variant-numeric:tabular-nums;text-align:right;min-width:72px}
.line .remove{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:12px;text-decoration:underline;padding:0;justify-self:start}
.line .problem{color:var(--red);font-size:13px;font-weight:700}
@media(max-width:560px){.line{grid-template-columns:1fr auto}.line .total{grid-column:1/-1;text-align:left}}
.summary{position:sticky;top:90px}
.summary .row{display:flex;justify-content:space-between;gap:12px;padding:7px 0;font-size:14px;font-variant-numeric:tabular-nums}
.summary .row.total{border-top:1px solid var(--line);margin-top:8px;padding-top:12px;font-size:18px;font-weight:800}
.summary .row .good{color:var(--green);font-weight:700}
.summary .hint{font-size:12px;color:var(--muted);margin:8px 0 0}
.promo{display:flex;gap:8px;margin:6px 0 4px}
.promo input{flex:1;min-width:0;text-transform:uppercase}
.promo-wrap{margin-top:14px;border-top:1px solid var(--line)}
.promo-wrap summary{font-size:13px;font-weight:600;color:var(--muted);padding:10px 0}
.promo-wrap summary::after{font-size:15px}
.promo-wrap[open] summary{color:var(--ink)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid .full{grid-column:1/-1}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}}
label{display:block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
input[type=text],input[type=email],input[type=tel],input[type=password],select,textarea{width:100%;border:1px solid #d9d2cc;border-radius:9px;padding:11px 12px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:var(--red)}
textarea{min-height:90px;resize:vertical}
.choice-list{display:grid;gap:10px}
.choice{display:flex;gap:12px;align-items:flex-start;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;background:#fff}
.choice:has(input:checked){border-color:var(--deep-red);background:#fcf5f4}
.choice input{margin-top:4px;accent-color:var(--deep-red)}
.choice .t{font-weight:700;display:flex;justify-content:space-between;gap:12px}
.choice .d{font-size:13px;color:var(--muted)}
.choice .tag{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--green);background:var(--green-bg);padding:3px 7px;border-radius:5px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink);text-transform:none;letter-spacing:0;font-weight:500}
.check input{margin-top:3px;accent-color:var(--deep-red)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 22px}
.steps div{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:13px}
.steps b{display:block;color:var(--deep-red);font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:4px}
@media(max-width:820px){.steps{grid-template-columns:repeat(2,1fr)}.cart-layout{grid-template-columns:1fr}.summary{position:static}}
.alert{border-radius:10px;padding:12px 14px;font-size:14px;margin:0 0 14px}
.alert.err{background:#fbe9e7;color:#8a1c1c;border:1px solid #f1c8c3}
.alert.ok{background:var(--green-bg);color:var(--green);border:1px solid #cfe9d8}
.alert.info{background:var(--amber-bg);color:var(--amber);border:1px solid #f3dfb3}

.agreement{border:1.5px solid var(--deep-red);background:#fcf5f4;border-radius:12px;padding:16px 18px}
.agreement h3{margin:0 0 4px;font-size:15px}
.agreement p{margin:0 0 6px;font-size:13px;color:var(--muted)}
.agreement ul{margin:0 0 12px;padding-left:20px;font-size:13.5px;line-height:1.5}
.agreement .check{font-size:14px}

/* ---------- access gate ---------- */
.lock{background:var(--white);border:1.5px solid var(--deep-red);border-radius:20px;padding:26px;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center;max-width:720px;margin:0 auto;box-shadow:var(--shadow)}
.lock img{width:84px;height:84px;mix-blend-mode:multiply}
.lock h2{margin:6px 0 8px}
.lock p{color:var(--muted);margin:0 0 14px}
.lock-form{display:grid;gap:12px;max-width:440px}
.lock-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.lock-msg{color:var(--red);font-weight:600;font-size:13px}
.grid > .lock,.cart-layout > .lock,.pdp > .lock{grid-column:1/-1}
@media(max-width:560px){.lock{grid-template-columns:1fr;padding:20px}.lock img{width:60px;height:60px}}

/* ---------- confirmation ---------- */
.confirm{max-width:720px;margin:0 auto;padding:40px 0 60px}
.confirm .panel{margin-top:18px}
.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 20px;font-size:15px;margin:14px 0}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:700}

/* ---------- prose pages (FAQ, policies, COA) ---------- */
.prose{max-width:760px}
.prose h2{margin-top:34px}
.prose h3{font:700 17px/1.3 var(--sans);margin:22px 0 6px}
.prose p,.prose li{color:#3b3634}
.prose ul{padding-left:20px}
details{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:0 18px;margin:0 0 10px}
details summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--deep-red);font-weight:800;font-size:18px;line-height:1}
details[open] summary::after{content:"–"}
details p{margin:0 0 14px}
.subnav{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 10px}
.subnav a{text-decoration:none;font-weight:600;font-size:13px;border:1px solid var(--line);background:var(--white);border-radius:999px;padding:7px 12px;color:var(--ink)}
.subnav a:hover{border-color:var(--deep-red);color:var(--deep-red)}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:18px 0 10px}
.stat-row div{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat-row b{display:block;font:400 24px/1.1 var(--serif);color:var(--deep-red);margin-bottom:4px}
.stat-row span{color:var(--muted);font-size:13px}
@media(max-width:640px){.stat-row{grid-template-columns:1fr}}
.copybox{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-weight:700}

/* ---------- footer ---------- */
.site-footer{margin-top:40px;background:var(--white);border-top:1px solid var(--line)}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding:36px 0 22px}
.site-footer h4{margin:0 0 10px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.site-footer a{display:block;color:var(--ink);text-decoration:none;padding:4px 0;font-size:14px}
.site-footer a:hover{color:var(--deep-red)}
.site-footer p{margin:0;color:var(--muted);font-size:13px;max-width:44ch}
.site-footer .legal{border-top:1px solid var(--line);padding:16px 0 26px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:820px){.site-footer .cols{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.site-footer .cols{grid-template-columns:1fr}}

/* ---------- toast + age gate ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 16px;border-radius:10px;font-weight:600;font-size:14px;box-shadow:0 10px 30px #0003;opacity:0;pointer-events:none;transition:.2s;z-index:60;display:flex;gap:14px;align-items:center;max-width:calc(100vw - 32px)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);pointer-events:auto}
.toast a{color:#fff;font-weight:800}
.gate{position:fixed;inset:0;background:#161313e6;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px}
.gate-box{background:var(--white);border-radius:20px;max-width:460px;padding:30px 28px;text-align:center;border:1.5px solid var(--deep-red)}
.gate-box img{width:64px;height:64px;mix-blend-mode:multiply}
.gate-box h2{margin:10px 0 8px}
.gate-box p{color:var(--muted);font-size:14px;margin:0 0 18px}
.gate-actions{display:flex;gap:10px;justify-content:center}
body.gated{overflow:hidden}