/*
Theme Name: Helix RUO
Description: Theme for Helix RUO research peptides (research use only).
Author: Helix RUO
Version: 1.0.0
Requires at least: 6.0
Text Domain: hru
*/

:root{
  --void:#050608; --deep:#0A0D12; --panel:#10141B; --edge:#1E2530; --edge-2:#2B3442;
  --blue:#4F77C8; --blue-l:#8FB0F0; --blue-d:#3A5FAA;
  --chrome:linear-gradient(180deg,#F7F9FB 0%,#C9D0D8 38%,#8D96A1 52%,#E4E8ED 70%,#B4BCC6 100%);
  --text:#E8ECF1; --soft:#B5BDC8; --muted:#7E8896; --paper:#EEF1F5;
  --disp:'Michroma','Manrope',system-ui,sans-serif; --sans:'Manrope',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--void);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:var(--blue-l)}a:hover{color:#fff}
h1,h2,h3{font-family:var(--disp);font-weight:400;line-height:1.12;margin:0;letter-spacing:.02em}
p{margin:0}
.wrap{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.narrow{max-width:820px;margin:0 auto;padding-left:24px;padding-right:24px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px)}
.skip-link:focus{position:fixed;top:8px;left:8px;z-index:200;background:#fff;color:#000;padding:10px 16px;border-radius:6px;clip:auto;width:auto;height:auto}
.chrome{background:var(--chrome);-webkit-background-clip:text;background-clip:text;color:transparent}

@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes popIn{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes sheen{0%{transform:translateX(-120%)}60%,100%{transform:translateX(320%)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.rise{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.d1{animation-delay:.1s}.d2{animation-delay:.22s}.d3{animation-delay:.34s}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rise,.float,.spot::after{animation:none!important}.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* buttons + labels */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 15px var(--sans);letter-spacing:.04em;border:1px solid transparent;border-radius:999px;padding:13px 26px;min-height:48px;text-decoration:none;cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 28px rgba(79,119,200,.35)}.btn-blue:hover{background:#6189D8;color:#fff;box-shadow:0 10px 34px rgba(79,119,200,.5)}
.btn-chrome{background:linear-gradient(180deg,#FFFFFF 0%,#E3E7EC 48%,#C5CCD5 52%,#E9EDF1 100%);color:#0A0D12;box-shadow:inset 0 1px 0 #fff}.btn-chrome:hover{color:#000;filter:brightness(1.05)}
.btn-line{background:transparent;color:var(--text);border-color:var(--edge-2)}.btn-line:hover{border-color:var(--blue-l);color:#fff}
.btn-lg{font-size:16px;padding:16px 32px;min-height:56px}
.kicker{font-family:var(--disp);font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--blue-l)}
.kicker::before{content:"";display:inline-block;width:28px;height:1px;background:var(--blue);vertical-align:middle;margin-right:12px}

/* top + header */
.ruo-bar{background:#000;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.2em;text-align:center;padding:9px 16px;border-bottom:1px solid var(--edge)}
.ruo-bar b{color:var(--blue-l);font-weight:600}
.site-header{position:sticky;top:0;z-index:40;background:rgba(5,6,8,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--edge)}
.admin-bar .site-header{top:32px}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px;position:relative}
.brand{text-decoration:none}
.logo{display:inline-flex;align-items:center;gap:14px}
.logo .mk{height:44px;width:auto}
.logo .wm{display:flex;flex-direction:column;gap:6px;line-height:1}
.logo .wm img{height:15px;width:auto}
.logo .wm small{font:700 9px var(--sans);letter-spacing:.62em;color:var(--blue-l);padding-left:2px}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:34px}
.main-nav a{color:var(--soft);text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.06em}
.main-nav a:hover,.main-nav a[aria-current]{color:#fff}
.header-cta{display:flex;gap:8px;align-items:center}
.menu-toggle{display:none;background:transparent;border:1px solid var(--edge-2);border-radius:999px;font:700 13px var(--sans);letter-spacing:.06em;padding:10px 16px;min-height:44px;color:var(--text);cursor:pointer}
@media (max-width:920px){
  .menu-toggle{display:inline-flex}
  .main-nav{display:none;position:absolute;left:-24px;right:-24px;top:100%;background:var(--deep);border-bottom:1px solid var(--edge);padding:8px 24px 20px}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:0}
  .main-nav a{display:block;padding:12px 0;font-size:17px}
}
@media (max-width:560px){.header-cta .btn{padding:10px 14px;font-size:13px;min-height:44px}.logo .mk{height:38px}.logo .wm img{height:12px}}
@media (max-width:380px){.logo .wm{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(60% 70% at 78% 40%,rgba(79,119,200,.28),transparent 70%),radial-gradient(40% 50% at 10% 100%,rgba(79,119,200,.12),transparent 70%),var(--void)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;-webkit-mask-image:radial-gradient(70% 70% at 60% 40%,#000,transparent);mask-image:radial-gradient(70% 70% at 60% 40%,#000,transparent)}
.hero-in{position:relative;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,480px),1fr));gap:56px;align-items:center;padding-top:88px;padding-bottom:96px}
.hero-copy{display:flex;flex-direction:column;gap:28px}
.hero h1{font-size:clamp(28px,3.7vw,50px);line-height:1.14}
.hero h1 .chrome{display:block}
.hero .lead{font-size:19px;line-height:1.6;color:var(--soft);max-width:540px}
.hero-form{display:flex;flex-wrap:wrap;gap:8px;max-width:560px;padding:6px;border:1px solid var(--edge-2);border-radius:999px;background:rgba(16,20,27,.8)}
.hero-form label{flex:1 1 220px;display:flex}
.hero-form input{flex:1;font:16px var(--sans);padding:12px 18px;border:0;outline:0;min-height:48px;color:#fff;background:transparent}
.hero-form input::placeholder{color:var(--muted)}
.hero .fine{font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--muted)}
.spec{display:flex;flex-wrap:wrap;gap:10px}
.spec span{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--soft);border:1px solid var(--edge-2);border-radius:999px;padding:8px 14px}
.spec span::before{content:"◆";color:var(--blue);font-size:9px;margin-right:8px;vertical-align:1px}
.showcase{position:relative;justify-self:center;width:min(100%,440px)}
.spot{position:relative;border-radius:28px;padding:34px 30px 22px;background:linear-gradient(180deg,#F4F6F9,#DDE2E8);border:1px solid #fff;box-shadow:0 40px 80px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.08),0 0 90px rgba(79,119,200,.25);overflow:hidden}
.spot::after{content:"";position:absolute;top:0;bottom:0;left:0;width:30%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);animation:sheen 8s ease-in-out infinite;pointer-events:none}
.spot .float{display:flex;justify-content:center;animation:float 7s ease-in-out infinite;mix-blend-mode:multiply}
.spot .tagline{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid #C3CAD3;color:#2A323D;font-size:11px;font-weight:800;letter-spacing:.2em}
.spot .tagline b{color:var(--blue-d)}
.chip{position:absolute;z-index:2;background:rgba(10,13,18,.94);border:1px solid var(--edge-2);border-radius:14px;padding:12px 16px;display:flex;flex-direction:column;gap:2px;box-shadow:0 18px 40px rgba(0,0,0,.45)}
.chip span{font-size:10px;font-weight:700;letter-spacing:.2em;color:var(--muted)}
.chip b{font-size:15px;font-weight:700;color:#fff}
.chip.c1{left:-30px;top:20%}.chip.c2{right:-26px;bottom:26%}
@media (max-width:620px){.chip.c1{left:-6px}.chip.c2{right:-6px}}

/* standard */
.section{padding-top:112px;padding-bottom:112px}
.sec-head{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:24px 56px;align-items:end;margin-bottom:56px}
.sec-head .stack{display:flex;flex-direction:column;gap:20px}
.h2{font-size:clamp(24px,3.2vw,42px)}
.sec-head p{font-size:17px;color:var(--soft);max-width:480px}
.pillars{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:1px;background:var(--edge);border:1px solid var(--edge);border-radius:22px;overflow:hidden}
.pillar{background:var(--deep);padding:40px 34px;display:flex;flex-direction:column;gap:16px;transition:background .3s ease}
.pillar:hover{background:var(--panel)}
.pillar .n{font-family:var(--disp);font-size:12px;letter-spacing:.2em;color:var(--blue-l)}
.pillar h3{font-size:18px}
.pillar p{color:var(--soft);font-size:16px}

.protocol{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:20px}
.step{position:relative;border:1px solid var(--edge);border-radius:20px;padding:30px 26px;display:flex;flex-direction:column;gap:12px;background:linear-gradient(180deg,var(--panel),var(--deep))}
.step .big{font-family:var(--disp);font-size:40px;line-height:1}
.step h3{font-size:15px;letter-spacing:.06em}
.step p{color:var(--soft);font-size:15.5px}

/* catalog */
.catalog-wrap{background:linear-gradient(180deg,var(--void),var(--deep) 30%,var(--deep) 70%,var(--void));border-top:1px solid var(--edge);border-bottom:1px solid var(--edge)}
.catalog-box{display:flex;flex-direction:column;gap:28px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filter{font:700 13px var(--sans);letter-spacing:.06em;padding:10px 18px;min-height:44px;border-radius:999px;border:1px solid var(--edge-2);background:transparent;color:var(--soft);cursor:pointer}
.filter span{opacity:.55;margin-left:4px}
.filter:hover{border-color:var(--blue);color:#fff}
.filter[aria-pressed=true]{background:var(--blue);border-color:var(--blue);color:#fff}
.area-note{border-left:2px solid var(--blue);padding:4px 0 4px 16px;display:none;flex-direction:column;gap:4px}
.area-note.show{display:flex}
.area-note b{font-size:16px;color:#fff}
.area-note span{font-size:15px;color:var(--soft)}
.products{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:18px}
.product{position:relative;background:var(--panel);border:1px solid var(--edge);border-radius:20px;padding:14px 14px 20px;display:flex;flex-direction:column;gap:14px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.product:hover{transform:translateY(-4px);border-color:rgba(143,176,240,.5);box-shadow:0 20px 40px rgba(0,0,0,.45)}
.product[hidden]{display:none}
.product .soon{position:absolute;top:24px;right:24px;z-index:1;font-size:10px;font-weight:800;letter-spacing:.18em;color:var(--blue-d);background:#fff;border:1px solid #C9D2DE;border-radius:999px;padding:4px 10px}
.product .shot{display:flex;justify-content:center;padding:18px 0 8px;background:linear-gradient(180deg,#F4F6F9,#DCE1E7);border-radius:14px}
.product .meta,.product .studied,.product .tags,.product .actions{padding:0 6px}
.product h3{font-size:16px;color:#fff;letter-spacing:.04em}
.product .klass{display:block;margin-top:6px;font-size:13px;color:var(--muted);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--blue-l);border:1px solid rgba(79,119,200,.45);border-radius:999px;padding:4px 10px;text-decoration:none}
.product .studied{font-size:14px;line-height:1.55;color:var(--soft)}
.product .actions{display:flex;gap:8px;margin-top:auto}
.product .actions .btn{flex:1;font-size:13px;padding:10px;min-height:44px}
.fineprint{font-size:13px;color:var(--muted)}

/* band */
.band{position:relative;overflow:hidden;background:radial-gradient(70% 120% at 85% 50%,rgba(79,119,200,.45),transparent 70%),linear-gradient(135deg,#0B1222,#06080C);border-top:1px solid var(--edge);border-bottom:1px solid var(--edge)}
.band-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr));gap:48px;align-items:center}
.band p{font-size:18px;color:var(--soft);max-width:480px}
.perks{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:12px}
.perks div{background:rgba(16,20,27,.75);border:1px solid var(--edge-2);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:6px}
.perks b{font-family:var(--disp);font-size:11px;letter-spacing:.2em;color:var(--blue-l);font-weight:400}
.perks span{font-size:16px;line-height:1.45;color:var(--text)}
.perks div:last-child:nth-child(odd){grid-column:1/-1}

/* notes */
.articles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:20px}
.article-card{text-decoration:none;color:var(--text);background:var(--panel);border:1px solid var(--edge);border-radius:20px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,border-color .2s ease}
.article-card:hover{transform:translateY(-4px);border-color:rgba(143,176,240,.5);color:var(--text)}
.article-card .art{height:150px;position:relative;overflow:hidden;border-bottom:1px solid var(--edge)}
.article-card .art span{position:absolute;left:22px;bottom:14px;font-size:40px;color:var(--blue-l)}
.article-card .body{padding:24px;display:flex;flex-direction:column;gap:10px}
.article-card .t{font-size:19px;font-weight:700;line-height:1.3;color:#fff}
.article-card .x{font-size:15px;color:var(--soft)}
.article-card .more{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--blue-l)}

/* faq */
.faq-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:40px 72px;align-items:start}
.faq-grid .stack{display:flex;flex-direction:column;gap:18px;position:sticky;top:120px}
.faq{display:flex;flex-direction:column;border-top:1px solid var(--edge-2)}
.faq details{border-bottom:1px solid var(--edge-2)}
.faq summary{list-style:none;cursor:pointer;font-size:18px;font-weight:700;padding:24px 0;display:flex;justify-content:space-between;gap:16px;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue-l);font-size:24px;line-height:1;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{padding:0 0 24px;color:var(--soft)}

/* inner pages */
.page-hero{position:relative;overflow:hidden;background:radial-gradient(50% 120% at 90% 0%,rgba(79,119,200,.3),transparent 70%),var(--void);border-bottom:1px solid var(--edge)}
.page-hero .in{position:relative;z-index:1;padding-top:84px;padding-bottom:72px;display:flex;flex-direction:column;gap:20px}
.page-hero h1{font-size:clamp(28px,4.2vw,54px)}
.page-hero p{color:var(--soft);font-size:18px;max-width:680px}
.page-hero a.kicker{text-decoration:none}
.prose{font-size:17.5px;line-height:1.8;color:#D6DCE4}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(19px,2.2vw,25px);margin-top:1.9em;color:#fff}
.prose h3{font-size:16px;margin-top:1.5em;color:#fff;letter-spacing:.04em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.4em}
.prose li::marker{color:var(--blue-l)}
.notice{font-size:13px;line-height:1.65;color:var(--muted);background:var(--panel);border:1px solid var(--edge);border-left:2px solid var(--blue);border-radius:0 12px 12px 0;padding:16px 18px}
.compound{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:64px;align-items:start}
.compound .shot{background:linear-gradient(180deg,#F4F6F9,#DCE1E7);border-radius:26px;display:flex;justify-content:center;padding:40px 24px;position:sticky;top:120px;box-shadow:0 30px 70px rgba(0,0,0,.5),0 0 70px rgba(79,119,200,.18)}
.specs{display:grid;grid-template-columns:130px 1fr;gap:14px 18px;margin:0;font-size:15px;border-top:1px solid var(--edge-2);padding-top:20px}
.specs dt{font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--muted);padding-top:3px}
.specs dd{margin:0;color:var(--text)}
.compound .tags .tag.solid{background:var(--blue);color:#fff;border-color:var(--blue)}
.related{border-top:1px solid var(--edge);padding-top:80px}

/* footer */
.site-footer{background:#000;color:var(--muted);padding:80px 0 34px;border-top:1px solid var(--edge)}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px;padding-bottom:48px;border-bottom:1px solid var(--edge);margin-bottom:48px}
.foot-top .big{font-family:var(--disp);font-size:clamp(20px,2.8vw,34px);color:#fff;line-height:1.25}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:34px}
.foot-grid .col{display:flex;flex-direction:column;gap:10px;font-size:15px}
.foot-grid .h{font-family:var(--disp);font-size:10px;letter-spacing:.28em;color:var(--blue-l)}
.foot-grid a{color:var(--soft);text-decoration:none}
.foot-grid a:hover{color:#fff}
.foot-legal{border-top:1px solid var(--edge);margin-top:48px;padding-top:26px;display:flex;flex-direction:column;gap:12px;font-size:12.5px;line-height:1.7}

/* sign-up modal */
.hr-overlay{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.78);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:16px;animation:fadeIn .25s ease both}
.hr-overlay.open{display:flex}
.hr-modal{position:relative;width:min(100%,880px);max-height:calc(100vh - 32px);overflow:auto;background:var(--deep);border:1px solid var(--edge-2);border-radius:26px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));box-shadow:0 40px 100px rgba(0,0,0,.7),0 0 80px rgba(79,119,200,.2);animation:popIn .35s cubic-bezier(.2,.7,.2,1) both}
.hr-close{position:absolute;top:14px;right:14px;z-index:2;width:44px;height:44px;border-radius:999px;border:1px solid var(--edge-2);background:var(--panel);color:#fff;font-size:22px;cursor:pointer}
.hr-art{position:relative;min-height:240px;background:radial-gradient(80% 80% at 50% 40%,rgba(79,119,200,.4),transparent 70%),#05070B;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:34px;gap:22px;text-align:center}
.hr-art img{width:120px;height:auto}
.hr-art .big{font-family:var(--disp);font-size:19px;line-height:1.4;color:#fff}
.hr-art .cap{font-size:10px;font-weight:800;letter-spacing:.3em;color:var(--blue-l)}
.hr-body{padding:36px 32px 28px;display:flex;flex-direction:column;gap:14px}
.hr-body .t{font-family:var(--disp);font-size:19px;line-height:1.35;color:#fff}
.hr-body .s{font-size:15px;color:var(--soft)}
.hr-body label.f{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--soft)}
.hr-body input[type=email],.hr-body input[type=tel]{font:16px var(--sans);padding:13px 16px;border:1px solid var(--edge-2);border-radius:12px;color:#fff;background:var(--panel);min-height:48px;width:100%}
.hr-body .phone{display:flex;gap:8px}
.hr-body .phone span{display:flex;align-items:center;padding:0 14px;border:1px solid var(--edge-2);border-radius:12px;font-weight:700;color:var(--soft)}
.hr-body label.c{display:flex;gap:10px;align-items:flex-start;font-size:14px;font-weight:500;cursor:pointer;color:var(--text)}
.hr-body label.c input{width:18px;height:18px;margin-top:3px;flex-shrink:0;accent-color:var(--blue)}
.hr-body label.c.small{font-size:12px;line-height:1.55;color:var(--muted);font-weight:400}
.hr-body label.c.small strong{color:var(--text)}
.hr-body label.c a{color:var(--blue-l)}
.hr-err{font-size:13px;color:#FF8A80;font-weight:700;display:none}
.hr-err.show{display:block}
.hr-badges{display:flex;flex-wrap:wrap;gap:6px;border-top:1px solid var(--edge);padding-top:14px}
.hr-badges span{font-size:10px;font-weight:800;letter-spacing:.14em;color:var(--soft);border:1px solid var(--edge-2);border-radius:999px;padding:4px 10px}
.hr-done{display:none;flex-direction:column;gap:14px}
.hr-done.show{display:flex}
.hp{position:absolute;left:-9999px}
input:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--blue-l);outline-offset:3px}

/* coming soon */
.soon-page{min-height:100vh;background:radial-gradient(60% 60% at 50% 40%,rgba(79,119,200,.3),transparent 70%),var(--void);color:var(--text);display:grid;place-items:center;text-align:center;padding:40px 24px}
.soon-page .in{max-width:640px;display:flex;flex-direction:column;align-items:center;gap:24px}
.soon-page h1{font-size:clamp(24px,4vw,38px)}
.soon-page p{font-size:17px;color:var(--soft)}
@media (max-width:560px){.hero-form{border-radius:22px}.hero-form .btn{flex:1 1 100%}}

img.vial{display:block;height:auto;max-width:100%;mix-blend-mode:multiply}