/* ════════════════════════════════════════════════════════
   SELOR BIOSCIENCES — Main CSS
   ════════════════════════════════════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --white:#ffffff;--off-white:#f7f7f5;--grey-50:#f3f3f1;--grey-100:#e8e8e6;
  --grey-200:#d4d4d2;--grey-300:#b0b0ae;--grey-400:#888886;--grey-500:#606060;
  --grey-700:#3a3a38;--black:#0a0a09;
  --accent:#1e6080;--accent-light:#e4f0f6;--accent-mid:#3a7fa0;
  --lab-line:rgba(30,96,128,.07);
  --font-main:'DM Sans',-apple-system,BlinkMacSystemFont,sans-serif;
  --font-mono:'DM Mono','Courier New',monospace;
  --radius:2px;--radius-md:4px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.06);
  --shadow-md:0 4px 20px rgba(0,0,0,.07);
  --shadow-lg:0 12px 40px rgba(0,0,0,.1);
  --nav-h:56px;--nav-offset:80px;
}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--font-main);background:var(--white);color:var(--black);line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden;width:100%;max-width:100vw}
::-webkit-scrollbar{width:3px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--grey-200);border-radius:2px}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto}

/* ── NAVBAR ── */
.nav{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:1000;width:calc(100% - 40px);max-width:1200px;background:rgba(255,255,255,.62);backdrop-filter:blur(28px) saturate(180%);-webkit-backdrop-filter:blur(28px) saturate(180%);border:1px solid rgba(255,255,255,.72);border-radius:14px;box-shadow:0 4px 28px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04),inset 0 1px 0 rgba(255,255,255,.9);height:var(--nav-h);display:flex;align-items:center}
.nav-inner{width:100%;max-width:1280px;margin:0 auto;padding:0 clamp(16px,3vw,32px);display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-logo{display:flex;flex-direction:column;cursor:pointer;flex-shrink:0}
.nav-logo-main{font-size:15px;font-weight:600;letter-spacing:.2em;color:var(--black);text-transform:uppercase;line-height:1;font-family:var(--font-mono)}
.nav-logo-sub{font-size:8.5px;letter-spacing:.2em;color:var(--grey-400);text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:12.5px;font-weight:400;color:var(--grey-500);letter-spacing:.03em;cursor:pointer;transition:color .18s}
.nav-links a:hover,.nav-links a.active{color:var(--black)}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.cart-btn{background:none;border:1px solid var(--grey-200);border-radius:var(--radius);padding:7px 13px;cursor:pointer;display:flex;align-items:center;gap:7px;font-family:var(--font-main);font-size:12px;color:var(--black);transition:all .18s;white-space:nowrap;text-decoration:none}
.cart-btn:hover{border-color:var(--black);color:var(--black)}
.cart-count{background:var(--accent);color:white;border-radius:50%;width:17px;height:17px;font-size:10px;font-weight:600;display:flex;align-items:center;justify-content:center}
.hamburger{display:none;background:none;border:1px solid var(--grey-200);border-radius:var(--radius);width:36px;height:36px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;flex-shrink:0}
.hamburger span{display:block;width:16px;height:1.5px;background:var(--black);border-radius:1px;transition:all .2s}
.hamburger.open span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:calc(var(--nav-h) + 12px);left:12px;right:12px;z-index:999;background:rgba(255,255,255,.95);backdrop-filter:blur(28px);border:1px solid rgba(255,255,255,.65);border-radius:12px;padding:16px;flex-direction:column;gap:2px;box-shadow:0 8px 32px rgba(0,0,0,.08)}
.mobile-menu.open{display:flex}
.mobile-menu a{padding:13px 12px;font-size:15px;font-weight:500;color:var(--black);border-bottom:1px solid var(--grey-100);cursor:pointer}
.mobile-menu a:last-child{border-bottom:none}

/* ── FLASH MESSAGES ── */
.flash-msg{position:fixed;top:calc(var(--nav-h)+28px);left:50%;transform:translateX(-50%);z-index:9999;padding:11px 22px;border-radius:var(--radius);font-size:12.5px;font-weight:500;font-family:var(--font-mono);white-space:nowrap;animation:toastIn .28s ease;box-shadow:var(--shadow-md)}
.flash-success{background:var(--black);color:white}
.flash-error{background:#ef4444;color:white}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ── HERO ── */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-offset);background:var(--white);position:relative;overflow:hidden}
.hero-lab-grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(30,96,128,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(30,96,128,.055) 1px,transparent 1px);background-size:40px 40px}
.hero-lab-grid::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at 50% 50%,transparent 40%,rgba(248,248,246,.7) 100%)}
.hero-inner{max-width:1280px;margin:0 auto;padding:60px clamp(16px,4vw,48px) 80px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;width:100%;position:relative}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:var(--accent-light);border:1px solid rgba(30,96,128,.2);border-radius:2px;padding:5px 11px;margin-bottom:24px;font-size:10px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;font-weight:500;font-family:var(--font-mono)}
.hero-badge-dot{width:5px;height:5px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite;flex-shrink:0}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-title{font-size:clamp(28px,4vw,52px);font-weight:300;line-height:1.1;color:var(--black);letter-spacing:-.03em;margin-bottom:18px}
.hero-title strong{font-weight:600}
.hero-subtitle{font-size:14px;color:var(--grey-400);line-height:1.75;margin-bottom:24px;max-width:420px}
.hero-proof{display:flex;border:1px solid var(--grey-100);border-radius:var(--radius-md);overflow:hidden;width:fit-content;margin-bottom:24px}
.hero-proof-item{padding:10px 18px;border-right:1px solid var(--grey-100);text-align:center}
.hero-proof-item:last-child{border-right:none}
.hero-proof-val{font-family:var(--font-mono);font-size:15px;font-weight:600;color:var(--accent);line-height:1}
.hero-proof-lab{font-size:9.5px;color:var(--grey-400);margin-top:3px;letter-spacing:.04em;text-transform:uppercase}
.hero-disclaimer{font-size:11px;color:var(--grey-400);font-style:italic;border-left:2px solid var(--grey-200);padding-left:12px;margin-bottom:32px;font-family:var(--font-mono)}
.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.hero-visual{display:flex;justify-content:center;align-items:flex-end;position:relative}
.hero-vial-group{display:flex;gap:14px;align-items:flex-end}
.vial-card{background:var(--white);border:1px solid var(--grey-100);border-radius:var(--radius-md);padding:14px 12px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:center;gap:10px;transition:transform .3s,box-shadow .3s}
.vial-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.vial-label-name{font-size:12px;font-weight:600;color:var(--black);text-align:center;font-family:var(--font-mono)}
.vial-label-dose{font-family:var(--font-mono);font-size:10px;color:var(--accent)}

/* ── BUTTONS ── */
.btn-primary{background:var(--black);color:var(--white);border:none;border-radius:var(--radius);padding:12px 24px;font-family:var(--font-main);font-size:13px;font-weight:500;letter-spacing:.04em;cursor:pointer;transition:all .18s;white-space:nowrap;display:inline-block}
.btn-primary:hover{background:var(--accent);color:white}
.btn-secondary{background:none;color:var(--black);border:1px solid var(--grey-200);border-radius:var(--radius);padding:12px 20px;font-family:var(--font-main);font-size:13px;font-weight:400;cursor:pointer;transition:all .18s;white-space:nowrap;display:inline-block}
.btn-secondary:hover{border-color:var(--black);color:var(--black)}
.btn-add{background:var(--black);color:white;border:none;border-radius:var(--radius);padding:7px 13px;font-family:var(--font-main);font-size:11px;font-weight:500;cursor:pointer;transition:all .18s;letter-spacing:.02em}
.btn-add:hover{background:var(--accent)}
.btn-add:disabled{background:var(--grey-300);cursor:not-allowed}

/* ── TRUST STRIP ── */
.trust-strip{border-top:1px solid var(--grey-100);border-bottom:1px solid var(--grey-100);padding:18px clamp(16px,4vw,48px);background:var(--off-white)}
.trust-strip-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{display:flex;align-items:center;gap:11px;padding:8px 20px;justify-content:center}
.trust-item+.trust-item{border-left:1px solid var(--grey-200)}
.trust-icon{font-size:18px;flex-shrink:0}
.trust-label{font-size:12px;font-weight:500;color:var(--black);white-space:nowrap}
.trust-desc{font-size:10.5px;color:var(--grey-400)}

/* ── SECTIONS ── */
.section{padding:clamp(56px,8vw,100px) clamp(16px,4vw,48px)}
.section-inner{max-width:1280px;margin:0 auto}
.section-header{margin-bottom:48px}
.section-eyebrow{font-size:10px;letter-spacing:.2em;color:var(--accent);text-transform:uppercase;font-weight:500;margin-bottom:10px;display:flex;align-items:center;gap:10px;font-family:var(--font-mono)}
.section-eyebrow::before{content:'';width:20px;height:1px;background:var(--accent);opacity:.4}
.section-title{font-size:clamp(24px,3vw,38px);font-weight:300;color:var(--black);letter-spacing:-.02em;line-height:1.2}
.section-title strong{font-weight:600}
.section-desc{margin-top:12px;font-size:14px;color:var(--grey-400);max-width:500px;line-height:1.7}

/* ── PRODUCT GRID ── */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.product-card{background:var(--white);border:1px solid var(--grey-100);border-radius:var(--radius-md);overflow:hidden;cursor:pointer;transition:all .22s;position:relative}
.product-card:hover{border-color:rgba(30,96,128,.35);box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.product-card-image{height:180px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--grey-100);position:relative;overflow:hidden}
.product-card-body{padding:16px}
.product-card-category{font-size:9.5px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:5px;font-family:var(--font-mono)}
.product-card-name{font-size:15px;font-weight:600;color:var(--black);margin-bottom:3px;letter-spacing:-.01em;font-family:var(--font-mono)}
.product-card-desc{font-size:11px;color:var(--grey-400);line-height:1.5;margin-bottom:14px}
.product-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--grey-100)}
.product-card-price{font-size:15px;font-weight:600;color:var(--black);font-family:var(--font-mono)}
.product-card-dose{font-size:10px;color:var(--grey-400);font-family:var(--font-mono);margin-top:1px}
.product-purity-badge{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.92);border:1px solid rgba(30,96,128,.2);border-radius:2px;padding:2px 7px;font-size:9.5px;font-family:var(--font-mono);color:var(--accent);font-weight:500}
.stock-badge{position:absolute;top:10px;left:10px;padding:2px 7px;border-radius:2px;font-size:9px;font-weight:600;font-family:var(--font-mono);letter-spacing:.05em}
.badge-red{background:rgba(239,68,68,.12);color:#ef4444;border:1px solid rgba(239,68,68,.25)}
.badge-yellow{background:rgba(245,158,11,.12);color:#d97706;border:1px solid rgba(245,158,11,.25)}
.badge-green{background:rgba(34,197,94,.1);color:#16a34a;border:1px solid rgba(34,197,94,.2)}

/* ── STATUS BADGES ── */
.status-badge{display:inline-block;padding:2px 8px;border-radius:2px;font-size:10px;font-weight:600;font-family:var(--font-mono);letter-spacing:.04em}
.status-active{background:rgba(34,197,94,.1);color:#16a34a;border:1px solid rgba(34,197,94,.2)}
.status-out_of_stock{background:rgba(239,68,68,.1);color:#ef4444;border:1px solid rgba(239,68,68,.2)}
.status-restocking{background:rgba(245,158,11,.1);color:#d97706;border:1px solid rgba(245,158,11,.2)}
.status-discontinued{background:rgba(0,0,0,.06);color:var(--grey-400);border:1px solid var(--grey-200)}

/* ── PEPTIDE LIST ── */
.peptide-list-header{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:16px;margin-bottom:28px}
.peptide-list-stock{display:flex;align-items:center;gap:8px;background:var(--accent-light);border:1px solid rgba(30,96,128,.18);border-radius:var(--radius);padding:7px 14px;font-size:11px;font-family:var(--font-mono);color:var(--accent);letter-spacing:.08em}
.peptide-list{border:1px solid var(--grey-100);border-radius:var(--radius-md);overflow:hidden}
.peptide-list-head{display:grid;grid-template-columns:1fr 120px 220px 100px;padding:10px 20px;background:var(--grey-50);border-bottom:1px solid var(--grey-100);font-size:10px;font-family:var(--font-mono);font-weight:500;color:var(--grey-400);letter-spacing:.12em;text-transform:uppercase}
.peptide-row{display:grid;grid-template-columns:1fr auto;padding:14px 20px;border-bottom:1px solid var(--grey-100);align-items:center;gap:16px;transition:background .15s}
.peptide-row:last-child{border-bottom:none}
.peptide-row:hover{background:var(--grey-50)}
.peptide-row-left{display:flex;align-items:center;gap:14px;min-width:0}
.peptide-row-vial{flex-shrink:0;display:flex;align-items:center}
.peptide-row-info{min-width:0}
.peptide-row-name{font-size:14px;font-weight:600;color:var(--black);font-family:var(--font-mono);white-space:nowrap}
.peptide-row-cat{font-size:10px;color:var(--accent);background:var(--accent-light);border:1px solid rgba(30,96,128,.15);border-radius:2px;padding:2px 7px;font-family:var(--font-mono);letter-spacing:.04em;white-space:nowrap}
.peptide-row-tag{font-size:10px;color:var(--grey-400);background:var(--grey-50);border:1px solid var(--grey-100);border-radius:2px;padding:2px 7px;white-space:nowrap}
.peptide-row-cas{font-size:10.5px;color:var(--grey-400);font-family:var(--font-mono);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.peptide-row-right{display:flex;align-items:center;gap:18px;flex-shrink:0}
.peptide-row-purity{text-align:center;min-width:60px}
.peptide-purity-val{font-size:15px;font-weight:700;color:var(--accent);font-family:var(--font-mono);line-height:1}
.peptide-purity-bar{width:48px;height:2px;background:var(--grey-100);border-radius:1px;margin:4px auto}
.peptide-purity-label{font-size:9px;color:var(--grey-400);letter-spacing:.1em;font-family:var(--font-mono);text-transform:uppercase}
.peptide-row-prices{display:flex;gap:6px;align-items:center}
.peptide-price-chip{display:flex;flex-direction:column;align-items:center;border:1px solid var(--grey-200);border-radius:var(--radius);padding:5px 10px;cursor:pointer;transition:all .15s;min-width:56px;background:white;font-family:var(--font-main)}
.peptide-price-chip:hover:not(:disabled){border-color:var(--accent);background:var(--accent-light)}
.peptide-price-chip:disabled{opacity:.4;cursor:not-allowed}
.peptide-price-dose{font-size:9px;color:var(--grey-400);font-family:var(--font-mono);letter-spacing:.06em}
.peptide-price-val{font-size:13px;font-weight:700;color:var(--black);font-family:var(--font-mono)}
.peptide-list-footer{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:20px;border-top:1px solid var(--grey-100);flex-wrap:wrap;gap:12px}
.peptide-list-disclaimer{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--grey-400);font-style:italic;font-family:var(--font-mono);max-width:500px;line-height:1.5}

/* ── PRODUCT PAGE ── */
.product-page{padding-top:var(--nav-offset);min-height:100vh}
.product-page-inner{max-width:1280px;margin:0 auto;padding:48px clamp(16px,4vw,48px);display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.product-image-panel{border-radius:var(--radius-md);border:1px solid var(--grey-100);height:480px;display:flex;align-items:center;justify-content:center;position:sticky;top:calc(var(--nav-offset) + 20px);background-image:linear-gradient(rgba(30,96,128,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(30,96,128,.04) 1px,transparent 1px);background-size:24px 24px;background-color:var(--off-white)}
.product-page-category{font-size:10px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;margin-bottom:8px;font-family:var(--font-mono)}
.product-page-name{font-size:clamp(24px,3vw,36px);font-weight:300;letter-spacing:-.02em;color:var(--black);margin-bottom:6px;line-height:1.1}
.product-page-name strong{font-weight:600}
.product-page-cas{font-family:var(--font-mono);font-size:11px;color:var(--grey-400);margin-bottom:16px}
.product-page-price{font-size:26px;font-weight:600;font-family:var(--font-mono);color:var(--black);margin-bottom:8px}
.variant-btn{border:1px solid var(--grey-200);border-radius:var(--radius);padding:8px 16px;background:none;cursor:pointer;font-family:var(--font-mono);font-size:12px;color:var(--black);transition:all .18s}
.variant-btn.active,.variant-btn:hover{border-color:var(--black);background:var(--black);color:white}
.product-page-add{width:100%;padding:14px;background:var(--black);color:white;border:none;border-radius:var(--radius);font-family:var(--font-main);font-size:14px;font-weight:500;cursor:pointer;transition:all .18s;letter-spacing:.04em;margin-bottom:14px}
.product-page-add:hover{background:var(--accent)}
.product-page-add:disabled{background:var(--grey-300);cursor:not-allowed}
.product-disclaimer{background:var(--grey-50);border:1px solid var(--grey-100);border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:11px 14px;font-size:11px;color:var(--grey-500);line-height:1.6;margin-bottom:28px;font-family:var(--font-mono)}
.product-desc{font-size:13.5px;color:#555;line-height:1.85;margin-bottom:28px}
.tech-table{width:100%;border-collapse:collapse;margin-bottom:28px}
.tech-table tr{border-bottom:1px solid var(--grey-100)}
.tech-table td{padding:11px 0;font-size:12.5px;vertical-align:top}
.tech-table td:first-child{color:var(--grey-400);font-weight:500;width:42%;font-size:11px;letter-spacing:.04em;text-transform:uppercase;font-family:var(--font-mono)}
.tech-table td:last-child{color:var(--black);font-family:var(--font-mono);font-size:12px}
.purity-bar-wrap{margin-top:10px}
.purity-label{display:flex;justify-content:space-between;font-size:10.5px;color:var(--grey-400);margin-bottom:5px;font-family:var(--font-mono)}
.purity-bar{height:2px;background:var(--grey-100);border-radius:1px;overflow:hidden}
.purity-fill{height:100%;background:var(--accent);border-radius:1px}
.breadcrumb{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--grey-400);margin-bottom:28px;flex-wrap:wrap;font-family:var(--font-mono)}
.breadcrumb a{color:var(--grey-400);transition:color .18s}
.breadcrumb a:hover{color:var(--black)}
.breadcrumb .sep{color:var(--grey-200)}

/* ── CATALOGUE ── */
.catalogue-page{padding-top:var(--nav-offset);min-height:100vh}
.shop-header{border-bottom:1px solid var(--grey-100);padding:clamp(28px,5vw,48px) clamp(16px,4vw,48px) 24px}
.shop-header-inner{max-width:1280px;margin:0 auto}
.shop-filters{display:flex;align-items:center;gap:8px;margin-top:20px;flex-wrap:wrap}
.filter-btn{border:1px solid var(--grey-200);border-radius:var(--radius);padding:6px 14px;background:none;cursor:pointer;font-size:11.5px;font-family:var(--font-mono);color:var(--grey-500);transition:all .18s;white-space:nowrap}
.filter-btn.active{border-color:var(--black);background:var(--black);color:white}
.filter-btn:hover:not(.active){border-color:var(--grey-400);color:var(--black)}
.shop-body{padding:clamp(24px,4vw,48px) clamp(16px,4vw,48px)}
.shop-body-inner{max-width:1280px;margin:0 auto}
.shop-count{font-size:11px;color:var(--grey-400);margin-bottom:22px;letter-spacing:.04em;font-family:var(--font-mono)}

/* ── CART ── */
.cart-page{padding-top:var(--nav-offset);min-height:100vh}
.cart-inner{max-width:1000px;margin:0 auto;padding:48px clamp(16px,4vw,48px);display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start}
.cart-items-panel{background:white;border:1px solid var(--grey-100);border-radius:var(--radius-md);overflow:hidden}
.cart-item{display:flex;gap:16px;padding:20px;border-bottom:1px solid var(--grey-100);align-items:center}
.cart-item:last-child{border-bottom:none}
.cart-item-img{width:70px;height:70px;background:var(--grey-50);border:1px solid var(--grey-100);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}
.cart-item-name{font-size:14px;font-weight:600;font-family:var(--font-mono);margin-bottom:3px}
.cart-item-dose{font-size:11px;color:var(--grey-400);font-family:var(--font-mono)}
.cart-summary{background:white;border:1px solid var(--grey-100);border-radius:var(--radius-md);padding:24px;position:sticky;top:calc(var(--nav-offset)+20px)}
.qty-controls{display:flex;align-items:center;gap:8px}
.qty-btn{background:none;border:1px solid var(--grey-200);border-radius:var(--radius);width:26px;height:26px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .18s;line-height:1}
.qty-btn:hover{border-color:var(--black)}

/* ── CHECKOUT ── */
.checkout-page{padding-top:var(--nav-offset);min-height:100vh;background:var(--off-white)}
.checkout-inner{max-width:1080px;margin:0 auto;padding:clamp(24px,4vw,60px) clamp(16px,4vw,40px);display:grid;grid-template-columns:1fr 360px;gap:40px}
.checkout-form-card,.checkout-summary{background:white;border:1px solid var(--grey-100);border-radius:var(--radius-md);padding:28px}
.form-section{margin-bottom:28px}
.form-section-title{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--grey-400);font-weight:500;margin-bottom:14px;font-family:var(--font-mono)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-row.full{grid-template-columns:1fr}
.form-group{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.form-label{font-size:10.5px;color:var(--grey-500);letter-spacing:.04em;font-weight:500;font-family:var(--font-mono)}
.form-input{border:1px solid var(--grey-200);border-radius:var(--radius);padding:9px 11px;font-family:var(--font-main);font-size:13.5px;color:var(--black);outline:none;transition:border .18s;width:100%;background:white}
.form-input:focus{border-color:var(--accent)}
.form-select{appearance:none;cursor:pointer}

/* ── LABS / FAQ ── */
.labs-page,.faq-page{padding-top:var(--nav-offset);min-height:100vh}
.page-header{padding:clamp(40px,7vw,80px) clamp(16px,4vw,48px) 40px;border-bottom:1px solid var(--grey-100)}
.page-header-inner{max-width:1280px;margin:0 auto}
.coa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.coa-card{border:1px solid var(--grey-100);border-radius:var(--radius-md);padding:22px;transition:all .2s}
.coa-card:hover{border-color:rgba(30,96,128,.3);box-shadow:var(--shadow-sm)}
.faq-section{margin-bottom:48px}
.faq-section-title{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:500;margin-bottom:16px;display:flex;align-items:center;gap:10px;font-family:var(--font-mono)}
.faq-section-title::after{content:'';flex:1;height:1px;background:var(--grey-100)}
.faq-item{border-bottom:1px solid var(--grey-100)}
.faq-q{width:100%;background:none;border:none;cursor:pointer;padding:18px 0;font-family:var(--font-main);font-size:14px;font-weight:500;color:var(--black);display:flex;justify-content:space-between;align-items:center;text-align:left;transition:color .18s;gap:16px}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex-shrink:0;font-size:18px;transition:transform .22s}
.faq-icon.open{transform:rotate(45deg)}
.faq-a{font-size:13.5px;color:var(--grey-500);line-height:1.8;overflow:hidden;max-height:0;transition:max-height .3s ease,opacity .3s ease;opacity:0}
.faq-a.open{max-height:400px;opacity:1;padding-bottom:18px}

/* ── CTA BANNER ── */
.cta-banner{background:var(--black);border-radius:12px;padding:clamp(32px,5vw,56px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-banner::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(30,96,128,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(30,96,128,.12) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.cta-banner-left,.cta-banner-right{position:relative;z-index:1}
.cta-banner-right{display:flex;flex-direction:column;gap:10px;flex-shrink:0}
.cta-btn-white{background:white;color:var(--black);border:none;border-radius:var(--radius);padding:13px 24px;font-family:var(--font-main);font-size:13px;font-weight:600;cursor:pointer;transition:all .18s;white-space:nowrap;display:inline-block;text-align:center}
.cta-btn-white:hover{background:var(--accent);color:white}
.cta-btn-ghost{background:none;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius);padding:11px 24px;font-family:var(--font-main);font-size:12px;font-weight:400;cursor:pointer;transition:all .18s;white-space:nowrap;text-align:center;display:inline-block}
.cta-btn-ghost:hover{border-color:rgba(255,255,255,.5);color:white}

/* ── FOOTER ── */
.footer{border-top:1px solid var(--grey-100);padding:clamp(40px,6vw,60px) clamp(16px,4vw,48px) clamp(24px,3vw,40px);background:var(--white)}
.footer-inner{max-width:1280px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand-desc{font-size:12.5px;color:var(--grey-400);line-height:1.7;margin-top:12px;max-width:260px}
.footer-col-title{font-size:10px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--black);margin-bottom:14px;font-family:var(--font-mono)}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:7px}
.footer-links a{font-size:12.5px;color:var(--grey-400);cursor:pointer;transition:color .18s}
.footer-links a:hover{color:var(--black)}
.footer-bottom{display:flex;justify-content:space-between;align-items:flex-start;padding-top:20px;border-top:1px solid var(--grey-100);gap:20px;flex-wrap:wrap}
.footer-copy{font-size:11.5px;color:var(--grey-400);font-family:var(--font-mono)}
.footer-disclaimer{font-size:10.5px;color:var(--grey-300);font-style:italic;max-width:460px;text-align:right}

/* ── RESPONSIVE ── */
@media(max-width:1024px){.product-grid{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:768px){
  .nav-links{display:none!important}.hamburger{display:flex}
  .hero-inner{grid-template-columns:1fr;padding-top:40px;padding-bottom:60px}.hero-visual{display:none}
  .trust-strip-inner{grid-template-columns:1fr 1fr}
  .trust-item+.trust-item{border-left:none}
  .trust-item:nth-child(3),.trust-item:nth-child(4){border-top:1px solid var(--grey-200)}
  .trust-item:nth-child(even){border-left:1px solid var(--grey-200)}
  .product-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .product-card-image{height:140px}.product-card-body{padding:12px}
  .product-card-desc{display:none}
  .peptide-list-head{display:none}.peptide-row{grid-template-columns:1fr;gap:12px}
  .peptide-row-right{flex-wrap:wrap;gap:10px}.peptide-row-purity{display:none}
  .product-page-inner{grid-template-columns:1fr;gap:28px}.product-image-panel{height:280px;position:static}
  .cart-inner,.checkout-inner{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column}.footer-disclaimer{text-align:left}
  .cta-banner-right{width:100%;flex-direction:row}
}
@media(max-width:420px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-proof{width:100%}.hero-proof-item{flex:1;padding:8px 8px}
  .footer-top{grid-template-columns:1fr}
  .trust-strip-inner{grid-template-columns:1fr}
  .trust-item:nth-child(even){border-left:none}
  .trust-item+.trust-item{border-top:1px solid var(--grey-200)!important}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .cta-banner-right{flex-direction:column}
}

/* ── ADMIN LINK IN NAV ── */
.lab-bg{background-image:linear-gradient(rgba(30,96,128,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(30,96,128,.055) 1px,transparent 1px);background-size:40px 40px}