/* HELIXA — research peptide supply. Hand-written CSS, no framework. */

:root{
  --ink:#0E1116;
  --ink-2:#3C4553;
  --ink-3:#6B7480;
  --paper:#FBFAF7;
  --card:#FFFFFF;
  --line:#E8E4DC;
  --line-2:#F1EDE6;
  --verify:#0E9F72;
  --verify-bg:#E8F7F1;
  --price:#C3183A;
  --gold:#B08432;
  --violet:#6C5CE7;
  --shadow-s:0 1px 2px rgba(14,17,22,.05), 0 1px 1px rgba(14,17,22,.03);
  --shadow-m:0 4px 14px rgba(14,17,22,.06), 0 1px 3px rgba(14,17,22,.04);
  --shadow-l:0 18px 48px rgba(14,17,22,.10), 0 2px 8px rgba(14,17,22,.05);
  --r-s:10px; --r-m:16px; --r-l:24px; --r-xl:32px;
  --wrap:1240px;
  --sans:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --serif:"Instrument Serif",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --bar-h:0px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.55;
  font-feature-settings:"ss01" 1;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;min-width:0;max-width:100%}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.08}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
.mono{font-family:var(--mono)}
.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);font-weight:500;
}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 24px;border-radius:999px;font-weight:700;font-size:15px;
  letter-spacing:-.01em;transition:transform .16s ease, box-shadow .16s ease, background .16s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:var(--shadow-m)}
.btn-dark:hover{background:#1d232d;box-shadow:var(--shadow-l)}
.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-light:hover{border-color:#cfc8bc;box-shadow:var(--shadow-s)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-verify{background:var(--verify);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 30px;font-size:16px}
.btn-block{width:100%}
.btn .arw{transition:transform .18s ease}
.btn:hover .arw{transform:translateX(3px)}
.btn[disabled]{opacity:.4;pointer-events:none}

.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  background:var(--verify-bg);color:#0A6F51;font-size:12px;font-weight:700;letter-spacing:-.01em;
}
.chip-new{background:#EAF0FF;color:#2F4FCB}
.chip-line{background:#fff;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- announcement + header ---------- */
.announce{
  background:linear-gradient(90deg,#12161D,#242C3A 45%,#12161D);
  color:#F4EFE6;font-size:13px;position:relative;overflow:hidden;
}
.announce .wrap{display:flex;align-items:center;justify-content:center;gap:16px;height:42px;flex-wrap:nowrap}
.announce b{font-weight:800;letter-spacing:-.01em}
.announce .code{
  font-family:var(--mono);font-size:12px;background:rgba(255,255,255,.12);
  border:1px dashed rgba(255,255,255,.35);padding:3px 10px;border-radius:6px;letter-spacing:.08em;
}
.announce .cd{font-family:var(--mono);font-size:12px;background:#fff;color:#12161D;padding:3px 9px;border-radius:6px;font-weight:600}
.announce .glow{position:absolute;right:-40px;top:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,214,140,.55),transparent 62%);pointer-events:none}

.hdr{position:sticky;top:0;z-index:60;background:rgba(251,250,247,.86);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line-2)}
.hdr-in{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:9px;flex:none}
.brand .mark{width:26px;height:26px;flex:none}
.brand .wm{font-size:21px;font-weight:800;letter-spacing:-.055em}
.brand .wm i{font-style:normal;color:var(--verify)}
.brand small{
  display:block;font-family:var(--mono);font-size:8.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--ink-3);margin-top:-4px;font-weight:500;
}
.nav{display:flex;align-items:center;gap:22px;margin-left:8px}
.nav a{font-size:14.5px;font-weight:600;color:var(--ink-2);position:relative;padding:6px 0}
.nav a:hover{color:var(--ink)}
.nav a.on{color:var(--ink)}
.nav a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--ink);border-radius:2px}
.nav .tag{font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:#2F4FCB;background:#EAF0FF;padding:2px 5px;border-radius:4px;vertical-align:2px;margin-left:4px;font-weight:600}
.hdr-r{margin-left:auto;display:flex;align-items:center;gap:8px}
.icobtn{width:40px;height:40px;border-radius:999px;display:grid;place-items:center;position:relative;color:var(--ink-2)}
.icobtn:hover{background:#F2EEE7;color:var(--ink)}
.icobtn .cnt{
  position:absolute;top:3px;right:2px;min-width:17px;height:17px;border-radius:999px;background:var(--ink);
  color:#fff;font-size:10.5px;font-weight:700;display:grid;place-items:center;padding:0 4px;
}
.burger{display:none}

/* ---------- ticker ---------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;overflow:hidden;padding:11px 0}
.ticker-track{display:flex;gap:0;width:max-content;animation:tick 42s linear infinite}
.ticker span{
  font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);
  padding:0 22px;position:relative;white-space:nowrap;
}
.ticker span::after{content:"·";position:absolute;right:-3px}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- hero ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;min-height:520px;border-bottom:1px solid var(--line)}
.split-txt{display:flex;flex-direction:column;justify-content:center;padding:72px 0 72px 0}
.split-txt .in{max-width:520px;margin-left:auto;padding:0 56px 0 24px;width:100%}
.split-art{position:relative;overflow:hidden;display:grid;place-items:center;min-height:420px}
.hero h1{font-size:clamp(38px,4.4vw,62px);margin-bottom:20px}
.hero p.lede{font-size:17px;color:var(--ink-2);max-width:430px;margin-bottom:28px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero .undercta{font-size:12.5px;color:var(--ink-3);margin-top:16px;display:flex;gap:16px;flex-wrap:wrap}
.hero .undercta i{font-style:normal;display:inline-flex;gap:6px;align-items:center}

.scene{position:absolute;inset:0}
.scene-a{background:linear-gradient(150deg,#EFE9FB 0%,#E7EEFA 42%,#F4F0EA 100%)}
.scene-b{background:linear-gradient(160deg,#F3E9EE 0%,#EDEAF8 60%,#E9F1F0 100%)}
.scene-c{background:linear-gradient(150deg,#E9F4EC 0%,#F3F1E6 55%,#EAEEF7 100%)}
.scene-blob{position:absolute;border-radius:50%;filter:blur(46px);opacity:.62}

/* ---------- sections ---------- */
.sec{padding:88px 0}
.sec-tight{padding:60px 0}
.sec-head{max-width:660px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(28px,3vw,40px);margin-bottom:12px}
.sec-head p{color:var(--ink-2);font-size:16.5px}
.band{background:#F2F6F0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-ink{background:#11151C;color:#E9E5DD;border:0}
.band-ink .sec-head p{color:#A9B0BC}

.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);padding:26px;box-shadow:var(--shadow-s)}
.card h3{font-size:19px;margin-bottom:8px}
.card p{color:var(--ink-2);font-size:14.5px}
.card .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px}

/* guarantee rows */
.grow{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:16px 20px;box-shadow:var(--shadow-s)}
.grow .ic{width:42px;height:42px;border-radius:999px;display:grid;place-items:center;flex:none}
.grow b{display:block;font-size:15.5px;letter-spacing:-.02em}
.grow span{font-size:13.5px;color:var(--ink-3)}

/* ---------- product card ---------- */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .2s ease, box-shadow .2s ease;
}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-l)}
.pcard .shot{position:relative;aspect-ratio:1/1;display:grid;place-items:center;overflow:hidden}
.pcard .shot svg{height:82%;width:auto;filter:drop-shadow(0 16px 26px rgba(20,24,32,.20))}
.pcard .off{
  position:absolute;top:10px;right:10px;background:var(--ink);color:#fff;font-family:var(--mono);
  font-size:10.5px;font-weight:600;padding:4px 8px;border-radius:6px;letter-spacing:.02em;
}
.pcard .coa{
  position:absolute;left:10px;bottom:10px;display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);border-radius:999px;padding:5px 10px;font-size:11px;font-weight:700;
  box-shadow:var(--shadow-s);
}
.pcard .coa u{text-decoration:none;color:var(--violet);font-weight:600}
.pcard .best{position:absolute;right:10px;bottom:10px;background:#12161D;color:#FFD98A;font-size:10.5px;font-weight:700;padding:5px 9px;border-radius:999px}
.pcard .body{padding:14px 16px 16px;display:flex;flex-direction:column;flex:1}
.pcard h3{font-size:16px;letter-spacing:-.025em}
.pcard .sub{font-size:12.5px;color:var(--ink-3);margin:3px 0 10px}
.pcard .price{display:flex;align-items:baseline;gap:8px;margin-bottom:12px}
.pcard .was{font-size:12.5px;color:var(--ink-3);text-decoration:line-through}
.pcard .now{font-size:19px;font-weight:800;color:var(--price);letter-spacing:-.03em}
.pcard .acts{display:flex;gap:8px;margin-top:auto}
.pcard .acts .btn{flex:1;height:40px;font-size:13.5px;padding:0 10px}

/* ---------- filters ---------- */
.filters{display:flex;gap:8px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:none}
.filters::-webkit-scrollbar{display:none}
.fchip{
  flex:none;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:600;color:var(--ink-2);display:inline-flex;align-items:center;gap:7px;transition:.15s;
}
.fchip:hover{border-color:#cfc8bc}
.fchip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.searchbar{position:relative;flex:1;max-width:420px}
.searchbar input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;
  padding:0 18px 0 44px;font-size:14.5px;outline:none;
}
.searchbar input:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,17,22,.06)}
.searchbar svg{position:absolute;left:15px;top:13px;color:var(--ink-3)}
.sel{height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;padding:0 38px 0 18px;font-size:14px;font-weight:600;
  appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5L6 8.5L10 4.5' stroke='%236B7480' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;cursor:pointer}

/* ---------- cart drawer ---------- */
.scrim{position:fixed;inset:0;background:rgba(14,17,22,.42);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .25s;z-index:90}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);background:var(--paper);z-index:100;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;
  box-shadow:-20px 0 60px rgba(14,17,22,.18);
}
.drawer.on{transform:none}
.drawer header{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer header h3{font-size:18px}
.drawer .items{flex:1;overflow-y:auto;padding:14px 22px}
.ci{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-2)}
.ci .thumb{width:64px;height:64px;border-radius:12px;flex:none;display:grid;place-items:center;overflow:hidden}
.ci .thumb svg{height:84%}
.ci b{font-size:14.5px;letter-spacing:-.02em;display:block}
.ci small{font-size:12px;color:var(--ink-3)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;height:32px;margin-top:8px}
.qty button{width:30px;height:30px;display:grid;place-items:center;color:var(--ink-2);font-size:15px}
.qty span{min-width:26px;text-align:center;font-size:13.5px;font-weight:700;font-family:var(--mono)}
.drawer footer{border-top:1px solid var(--line);padding:18px 22px 22px;background:#fff}
.trow{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-2);margin-bottom:8px}
.trow.tot{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin:12px 0 14px}
.trow.save{color:var(--verify);font-weight:700}
.empty{text-align:center;padding:60px 20px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:flex-start;
  font-size:17px;font-weight:700;letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex:none;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;transition:.2s}
.faq details[open] summary .pm{background:var(--ink);color:#fff;border-color:var(--ink);transform:rotate(45deg)}
.faq p{margin-top:12px;color:var(--ink-2);font-size:15px;max-width:760px}

/* ---------- footer ---------- */
.ft{background:#11151C;color:#C9CFD9;padding:64px 0 28px;margin-top:0}
.ft-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px;padding-bottom:44px}
.ft h4{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:#8B93A1;margin-bottom:16px;font-weight:500}
.ft a{display:block;font-size:14px;color:#C9CFD9;padding:5px 0}
.ft a:hover{color:#fff}
.ft .about{font-size:14px;color:#8B93A1;max-width:280px;margin:16px 0 20px}
.ft .brand .wm{color:#fff}
.ft .brand small{color:#7A8290}
.socials{display:flex;gap:10px}
.socials a{width:36px;height:36px;border-radius:999px;border:1px solid #262C36;display:grid;place-items:center}
.socials a:hover{background:#1B212B}
.disc{border-left:3px solid #E0A83A;background:#161B23;border-radius:8px;padding:18px 22px;font-size:12.5px;line-height:1.7;color:#98A0AD}
.disc b{color:#E0A83A;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:8px}
.disc strong{color:#C9CFD9}
.ft-btm{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:22px;margin-top:26px;border-top:1px solid #232935;font-size:12.5px;color:#7A8290;flex-wrap:wrap}
.pays{display:flex;gap:8px;align-items:center;justify-content:center;padding:26px 0 4px}
.pays .pay{height:26px;padding:0 9px;border-radius:5px;background:#1B212B;border:1px solid #262C36;display:grid;place-items:center;
  font-size:10px;font-weight:700;letter-spacing:.02em;color:#C9CFD9}

/* ---------- verify gate ---------- */
.gate{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.gate-l{display:flex;flex-direction:column;justify-content:space-between;padding:44px 56px;background:var(--paper)}
.gate-r{position:relative;overflow:hidden;display:grid;place-items:center;background:linear-gradient(150deg,#EFE9FB,#E5EDF8 45%,#EFEFE6)}
.gate-box{max-width:520px;margin:auto 0}
.gate-box h1{font-size:clamp(30px,3.4vw,42px);margin:22px 0 14px}
.gate-box p.lede{color:var(--ink-2);font-size:16px;margin-bottom:26px}
.ack{display:flex;gap:13px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:16px 18px;margin-bottom:10px;cursor:pointer;transition:.15s}
.ack:hover{border-color:#cfc8bc}
.ack.checked{border-color:var(--verify);background:var(--verify-bg)}
.ack .box{width:22px;height:22px;border-radius:7px;border:1.6px solid #C7C0B4;flex:none;display:grid;place-items:center;background:#fff;margin-top:1px}
.ack.checked .box{background:var(--verify);border-color:var(--verify);color:#fff}
.ack span{font-size:14px;color:var(--ink-2);line-height:1.5}
.ack b{color:var(--ink);font-weight:700}
.gate-note{font-size:12.5px;color:var(--ink-3);margin-top:18px;line-height:1.65}
.gate-note a{text-decoration:underline;color:var(--ink-2)}

/* ---------- misc utility ---------- */
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.between{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt40{margin-top:40px}
.mb0{margin-bottom:0}
.muted{color:var(--ink-3)}
.small{font-size:13px}
.center{text-align:center}
.pill-note{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:12.5px;font-weight:600;color:var(--ink-2);box-shadow:var(--shadow-s)}

/* reveal */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr 1fr}
  .nav{display:none}
  .burger{display:grid}
}
@media (max-width:860px){
  .split{grid-template-columns:1fr}
  .split-txt .in{margin:0;padding:0 24px;max-width:none}
  .split-art{min-height:340px;order:-1}
  .split.rev .split-art{order:0}
  .g4,.g3,.g2{grid-template-columns:1fr}
  .gate{grid-template-columns:1fr}
  .gate-r{min-height:240px;order:-1}
  .gate-l{padding:32px 24px}
  .sec{padding:60px 0}
  .announce .wrap{gap:10px;font-size:12px}
  .announce .hide-sm{display:none}
}
@media (max-width:640px){
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .pcard .body{padding:12px}
  .pcard h3{font-size:14.5px}
  .pcard .acts{flex-direction:column}
  .ft-grid{grid-template-columns:1fr 1fr;gap:24px}
  .wrap{padding:0 18px}
}

/* mobile nav sheet */
.msheet{position:fixed;inset:0;z-index:95;background:var(--paper);transform:translateY(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px 24px 32px;overflow-y:auto}
.msheet.on{transform:none}
.msheet a.ml{font-size:22px;font-weight:800;letter-spacing:-.03em;padding:14px 0;border-bottom:1px solid var(--line-2)}