:root{
  --bg:#0b0f14;--panel:#111824;--panel2:#0f1620;--text:#e8eef7;--muted:#a8b3c4;
  --brand:#47d7ac;--brand2:#7aa7ff;--border:rgba(255,255,255,.08);
  --shadow:0 20px 60px rgba(0,0,0,.55);--radius:18px;--max:1120px;
}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
background:radial-gradient(1200px 600px at 20% -10%, rgba(122,167,255,.35), transparent 55%),
radial-gradient(900px 500px at 80% 0%, rgba(71,215,172,.25), transparent 55%),var(--bg);
color:var(--text);line-height:1.55}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(11,15,20,.72);
border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:10px;font-weight:780;letter-spacing:.2px}
.brand-logo{width:42px;height:42px;border-radius:10px;object-fit:contain}
.logo{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand2),var(--brand));
box-shadow:0 10px 30px rgba(71,215,172,.22)}
.menu{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--muted)}
.menu a{padding:10px 10px;border-radius:10px}
.menu a.active,.menu a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.cta{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;
background:linear-gradient(135deg, rgba(122,167,255,.95), rgba(71,215,172,.95));
color:#071018;border-radius:12px;font-weight:900}
.cta.secondary{background:rgba(255,255,255,.06);color:var(--text);border:1px solid var(--border)}
.hamburger{display:none;background:transparent;border:0;color:var(--text);padding:10px;border-radius:12px}
.hamburger:hover{background:rgba(255,255,255,.06)}
.card{background:linear-gradient(180deg, rgba(17,24,36,.95), rgba(15,22,32,.92));
border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero{padding:70px 0 20px}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch}
.hero-card{padding:34px}.hero-side{padding:22px}
.kicker{color:var(--muted);font-weight:650;letter-spacing:.3px;font-size:13px}
h1{margin:12px 0 12px;font-size:44px;line-height:1.05}
.lead{color:var(--muted);font-size:16px;margin:0 0 18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.pill{display:inline-flex;gap:8px;align-items:center;padding:8px 10px;border-radius:999px;
background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--muted);font-size:13px}
.side-list{margin-top:14px;display:grid;gap:10px}
.side-item{padding:14px;border-radius:14px;border:1px solid var(--border);background:rgba(255,255,255,.03)}
.side-item b{display:block;color:var(--text)}
.section{padding:56px 0}.section h2{font-size:34px;margin:0 0 10px}.section p{color:var(--muted);margin:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
.step{padding:18px}.step .num{font-weight:900;color:rgba(232,238,247,.65);font-size:14px}
.step h3{margin:10px 0 8px;font-size:18px}.step p{margin:0;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.feature{padding:18px}.feature h3{margin:0 0 8px;font-size:18px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.stat{padding:16px}.stat .big{font-size:28px;font-weight:950}.stat .label{color:var(--muted);font-size:13px}
form.grid{display:grid;gap:10px;margin-top:12px}
input,textarea{width:100%;padding:12px 12px;border-radius:12px;border:1px solid var(--border);
background:rgba(0,0,0,.25);color:var(--text);outline:none}
textarea{min-height:140px;resize:vertical}
button{cursor:pointer;border:0;border-radius:12px;padding:12px 14px;font-weight:950}
button.primary{background:linear-gradient(135deg, rgba(122,167,255,.95), rgba(71,215,172,.95));color:#071018}
footer{border-top:1px solid var(--border);background:rgba(11,15,20,.65);padding:38px 0}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.small{color:var(--muted);font-size:13px}
.footer-links{display:grid;gap:8px;color:var(--muted);font-size:14px}
hr.sep{border:0;border-top:1px solid var(--border);margin:22px 0}
.notice{color:rgba(232,238,247,.7);font-size:12px;line-height:1.5}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:rgba(17,24,36,.96);
border:1px solid var(--border);padding:12px 14px;border-radius:14px;box-shadow:var(--shadow);
color:var(--text);display:none;max-width:min(720px, calc(100% - 32px));font-size:14px}
.toast.show{display:block}

/* Tabs Styling */
.tabs-container{margin-top:18px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;padding:6px;background:rgba(0,0,0,.2);border-radius:14px;border:1px solid var(--border)}
.tab{padding:12px 20px;border-radius:10px;background:transparent;color:var(--muted);font-weight:600;font-size:14px;transition:all .2s ease;border:1px solid transparent}
.tab:hover{color:var(--text);background:rgba(255,255,255,.04)}
.tab.active{background:linear-gradient(135deg, rgba(122,167,255,.15), rgba(71,215,172,.15));color:var(--text);border-color:rgba(71,215,172,.3)}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* Blend Analysis Cards */
.blend-card{position:relative;overflow:hidden}
.blend-card::before{content:'';position:absolute;top:0;right:0;width:60px;height:60px;
background:linear-gradient(135deg, rgba(71,215,172,.15), rgba(122,167,255,.1));border-radius:0 var(--radius) 0 60px;opacity:0.6}
.blend-name{display:inline-block;padding:4px 10px;background:linear-gradient(135deg, rgba(71,215,172,.2), rgba(122,167,255,.2));
border-radius:6px;font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.5px;margin-bottom:8px;text-transform:uppercase}

/* Pricing Styles */
.pricing-card{position:relative;overflow:hidden}
.pricing-card::before{content:'';position:absolute;top:-50px;right:-50px;width:150px;height:150px;
background:radial-gradient(circle, rgba(71,215,172,.15) 0%, transparent 70%);pointer-events:none}
.pricing-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:12px}
.price-tag{font-size:32px;font-weight:950;background:linear-gradient(135deg, var(--brand), var(--brand2));
-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.side-item.included{border-color:rgba(71,215,172,.2);background:rgba(71,215,172,.05)}
.side-item.included::before{content:'✓';position:absolute;top:14px;right:14px;color:var(--brand);font-weight:700}
.side-item.included{position:relative}

/* Add-on Grid */
.addon-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.addon-item{padding:16px}
.addon-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.addon-header h4{margin:0;font-size:15px}
.addon-price{font-weight:900;color:var(--brand);font-size:16px}
.addon-item p{margin:0;color:var(--muted);font-size:13px}

/* Package Summary */
.pricing-summary{background:linear-gradient(180deg, rgba(17,24,36,.98), rgba(11,15,20,.95))}
.package-example{margin-top:14px}
.package-line{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);color:var(--muted);font-size:14px}
.package-line span:last-child{font-weight:600;color:var(--text)}
.package-line.total{border-bottom:none;border-top:2px solid var(--brand);margin-top:8px;padding-top:14px}
.package-line.total span{font-weight:900;font-size:18px;color:var(--text)}
.package-line.total span:last-child{color:var(--brand)}

/* Section Headers */
.section-header{margin-bottom:18px}
.section-header h2{font-size:28px;margin:0 0 6px;color:var(--text)}
.section-header .lead{margin:0}

/* Lab Image Styles */
.lab-image-banner{position:relative;border-radius:var(--radius);overflow:hidden;margin-top:24px;height:280px}
.lab-image-banner img{width:100%;height:100%;object-fit:cover}
.lab-image-overlay{position:absolute;inset:0;background:linear-gradient(180deg, rgba(11,15,20,.2) 0%, rgba(11,15,20,.7) 100%)}

.lab-image-float{width:280px;margin:24px 0}
.lab-image-float.right{float:right;margin-left:24px}
.lab-image-float.left{float:left;margin-right:24px}
.lab-image-float img{width:100%;height:200px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--border)}
.image-caption{margin-top:8px;text-align:center;font-style:italic}

/* Lab Images Grid */
.lab-images-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:32px 0}
.lab-image-item{position:relative;border-radius:var(--radius);overflow:hidden;height:200px;border:1px solid var(--border)}
.lab-image-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.lab-image-item:hover img{transform:scale(1.05)}
.lab-image-item .image-label{position:absolute;bottom:0;left:0;right:0;padding:12px;background:linear-gradient(transparent, rgba(11,15,20,.9));font-size:13px;color:var(--text)}

/* Shipping Section Styles */
.shipping-option{position:relative}
.shipping-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;
background:rgba(255,255,255,.05);border-radius:16px;margin-bottom:16px;color:var(--muted)}
.shipping-icon.highlight{background:linear-gradient(135deg, rgba(71,215,172,.15), rgba(122,167,255,.15));color:var(--brand)}
.shipping-address{margin-top:18px;padding:14px;background:rgba(0,0,0,.2);border-radius:12px;border:1px solid var(--border)}
.shipping-price{margin-top:18px;display:flex;justify-content:space-between;align-items:center;padding:14px;
background:linear-gradient(135deg, rgba(71,215,172,.1), rgba(122,167,255,.1));border-radius:12px;border:1px solid rgba(71,215,172,.2)}
.shipping-price .label{color:var(--muted);font-size:14px}
.shipping-price .price{font-size:20px;font-weight:900;color:var(--brand)}

/* Packaging Tips */
.packaging-tips{display:grid;gap:10px;margin-top:14px}
.tip{display:flex;align-items:flex-start;gap:12px;padding:12px;background:rgba(255,255,255,.03);border-radius:12px;border:1px solid var(--border)}
.tip-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;
background:linear-gradient(135deg, var(--brand2), var(--brand));color:#071018;border-radius:8px;font-weight:900;font-size:14px;flex-shrink:0}
.tip span:last-child{color:var(--muted);font-size:14px;line-height:1.5}

/* Auth Modal Styles */
.auth-modal{display:none;position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);
align-items:center;justify-content:center;padding:20px}
.auth-modal.active{display:flex}
.auth-modal-content{width:100%;max-width:420px;padding:28px;position:relative}
.auth-close{position:absolute;top:14px;right:14px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;
background:rgba(255,255,255,.06);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:20px;cursor:pointer}
.auth-close:hover{background:rgba(255,255,255,.1)}
.auth-tabs{display:flex;gap:8px;margin-bottom:24px;padding:4px;background:rgba(0,0,0,.2);border-radius:12px}
.auth-tab{flex:1;padding:12px;border-radius:10px;background:transparent;color:var(--muted);font-weight:600;font-size:14px;border:none}
.auth-tab:hover{color:var(--text)}
.auth-tab.active{background:linear-gradient(135deg, rgba(122,167,255,.15), rgba(71,215,172,.15));color:var(--text)}
.auth-panel{display:none}
.auth-panel.active{display:block}
.auth-btn{cursor:pointer}

/* Clear float utility */
.clearfix::after{content:'';display:table;clear:both}

/* Peptide Grid & Cart Styles */
.peptide-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));gap:16px}
.peptide-item{padding:16px;display:flex;flex-direction:column;justify-content:space-between;min-height:100px}
.peptide-name{font-weight:bold;margin-bottom:12px;display:block}
.cta.small{padding:8px 12px;font-size:13px}
.cart-link{padding:10px 14px;border-radius:10px;background:rgba(71,215,172,.1);border:1px solid rgba(71,215,172,.3);color:var(--brand);font-weight:600}
.cart-link:hover,.cart-link.active{background:rgba(71,215,172,.2)}
.checkout-item{transition:transform .2s ease}
.checkout-item:hover{transform:translateY(-2px)}

@media (max-width:920px){.addon-grid{grid-template-columns:1fr}.lab-images-grid{grid-template-columns:repeat(2,1fr)}
.lab-image-float{float:none;width:100%;margin:18px 0}.lab-image-float.right,.lab-image-float.left{margin-left:0;margin-right:0}}
@media (max-width:720px){.tabs{flex-direction:column}.tab{text-align:center}.lab-images-grid{grid-template-columns:1fr}}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}h1{font-size:38px}.steps{grid-template-columns:1fr}
.split{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){.menu{display:none}.hamburger{display:inline-flex}
.menu.mobile{display:grid;position:absolute;top:74px;left:0;right:0;padding:12px;background:rgba(11,15,20,.92);
border-bottom:1px solid var(--border)}.menu.mobile a{padding:12px 12px}}