/* ==========================================================================
   Research Supply Theme — main stylesheet
   Mobile-first. Breakpoints: 600 / 900 / 1200
   ========================================================================== */

:root{
  --navy-900:#0b1b3a;
  --navy-800:#0f2350;
  --navy-700:#16305f;
  --navy-600:#1e40af;
  --navy-500:#2563eb;
  --navy-100:#eef2fb;
  --navy-050:#f6f8fd;
  --red-600:#b3232f;
  --red-500:#c62b38;
  --red-050:#fdf0f1;
  --green-600:#16794a;
  --green-050:#e8f5ee;
  --ink:#0f172a;
  --ink-soft:#64748b;
  --line:#e2e8f0;
  --white:#ffffff;
  --bg:#ffffff;
  --bg-alt:#f6f8fb;
  --r-sm:8px;
  --r:12px;
  --r-lg:16px;
  --shadow:0 1px 3px rgba(15,35,80,.06),0 8px 24px rgba(15,35,80,.05);
  --shadow-lg:0 12px 40px rgba(15,35,80,.14);
  --max:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.15;color:var(--navy-800);font-weight:800;letter-spacing:-.02em;}
h1{font-size:clamp(1.9rem,5vw,3.2rem);}
h2{font-size:clamp(1.5rem,3.6vw,2.4rem);}
h3{font-size:1.05rem;font-weight:700;}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:var(--navy-600);text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* Eyebrow */
.eyebrow{color:var(--red-600);font-weight:800;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:.5em;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.9em 1.6em;border-radius:var(--r-sm);font-weight:700;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:.18s ease;text-align:center;
}
.btn-red{background:var(--red-600);color:#fff;}
.btn-red:hover{background:var(--red-500);}
.btn-navy{background:var(--navy-800);color:#fff;}
.btn-navy:hover{background:var(--navy-700);}
.btn-white{background:#fff;color:var(--navy-800);border-color:#fff;}
.btn-white:hover{background:var(--navy-050);}
.btn-ghost{background:#fff;color:var(--navy-800);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--navy-600);color:var(--navy-600);}
.btn-block{width:100%;}
.btn:disabled{opacity:.45;cursor:not-allowed;}

/* ==========================================================================
   Announcement ticker
   ========================================================================== */
.ticker{background:var(--navy-900);color:#c7d3e8;overflow:hidden;position:relative;}
.ticker-track{
  display:flex;gap:0;white-space:nowrap;animation:ticker 38s linear infinite;
  font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:.65em 0;
}
.ticker-track span{padding:0 1.4em;position:relative;}
.ticker-track span::after{content:"/";position:absolute;right:-.3em;color:var(--red-500);}
@keyframes ticker{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@media (prefers-reduced-motion:reduce){.ticker-track{animation:none;}}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;max-width:var(--max);margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--navy-800);color:#fff;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-text{line-height:1.05;}
.brand-text .b1{font-weight:900;font-size:1.05rem;color:var(--navy-800);letter-spacing:-.01em;}
.brand-text .b2{display:block;font-size:.58rem;font-weight:700;letter-spacing:.14em;color:var(--red-600);text-transform:uppercase;}

.main-nav{display:none;}
.main-nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;}
.main-nav a{color:var(--navy-800);font-weight:600;font-size:.9rem;padding:6px 0;border-bottom:2px solid transparent;}
.main-nav a:hover,.main-nav a.active{border-bottom-color:var(--red-600);}

.header-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{background:none;border:none;cursor:pointer;color:var(--navy-800);position:relative;padding:6px;display:flex;}
.cart-count{
  position:absolute;top:-2px;right:-4px;background:var(--red-600);color:#fff;font-size:.62rem;
  font-weight:800;min-width:17px;height:17px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px;
}
.burger{display:flex;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px 6px;}
.burger span{width:22px;height:2.5px;background:var(--navy-800);border-radius:2px;transition:.2s;}

@media (min-width:900px){
  .main-nav{display:block;}
  .burger{display:none;}
}

/* Slide-out drawer */
.drawer-backdrop{position:fixed;inset:0;background:rgba(11,27,58,.45);z-index:90;opacity:0;pointer-events:none;transition:.25s;}
.drawer-backdrop.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(85%,380px);background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:22px 22px 18px;border-bottom:1px solid var(--line);}
.drawer-head .b1{font-weight:900;color:var(--navy-800);font-size:1rem;}
.drawer-head .b1 em{font-style:normal;color:var(--red-600);}
.drawer-close{background:none;border:none;font-size:1.6rem;line-height:1;color:var(--ink-soft);cursor:pointer;}
.drawer nav ul{list-style:none;margin:0;padding:0;}
.drawer nav li{border-bottom:1px solid var(--line);}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;padding:17px 22px;
  color:var(--navy-800);font-weight:600;font-size:1.02rem;
}
.drawer nav a .chev{color:var(--ink-soft);}
.drawer .drawer-sub a{font-size:.92rem;font-weight:500;color:var(--ink-soft);padding:13px 22px;}
.drawer-gap{height:10px;background:var(--bg-alt);}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{position:relative;overflow:hidden;background:var(--navy-050);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 30%,rgba(255,255,255,.9),transparent 55%),
    radial-gradient(circle at 78% 20%,rgba(203,219,245,.85),transparent 50%),
    linear-gradient(160deg,#dfe8f7 0%,#f2f6fc 45%,#e6edf9 100%);
}
.hero-inner{position:relative;padding:52px 20px 60px;max-width:900px;margin:0 auto;text-align:center;}
.hero-chip{
  display:inline-block;background:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.9);
  border-radius:999px;padding:.6em 1.3em;font-size:.72rem;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:var(--navy-800);margin-bottom:22px;box-shadow:var(--shadow);
}
.hero h1{margin-bottom:.35em;}
.hero h1 .blue{color:var(--navy-500);}
.hero h1 .red{color:var(--red-600);}
.hero .lede{font-size:1.02rem;color:#41546f;max-width:560px;margin:0 auto 26px;}
.hero-cta{display:flex;flex-direction:column;gap:12px;max-width:380px;margin:0 auto 30px;}
.hero-points{
  display:grid;grid-template-columns:auto auto;gap:14px 22px;margin:0 auto;
  font-size:.84rem;font-weight:600;color:var(--navy-800);justify-content:center;
}
.hero-points div{display:flex;align-items:center;gap:8px;justify-content:flex-start;white-space:nowrap;}
.hero-points .last{grid-column:1/-1;justify-content:center;}
@media (max-width:359px){.hero-points{font-size:.76rem;gap:12px 14px;}}
@media (min-width:700px){.hero-points{grid-template-columns:repeat(5,auto);gap:18px;}.hero-points .last{grid-column:auto;}}
.hero-points svg{color:var(--navy-600);flex-shrink:0;}
.hero-points .r svg{color:var(--red-600);}
@media (min-width:700px){
  .hero-inner{padding:80px 20px 88px;}
  .hero-cta{flex-direction:row;justify-content:center;max-width:none;}
  .hero-cta .btn{min-width:210px;}
}

/* ==========================================================================
   Sections
   ========================================================================== */
.section{padding:56px 0;}
.section.alt{background:var(--bg-alt);}
.section-head{margin-bottom:28px;}
.section-head.center{text-align:center;max-width:640px;margin-left:auto;margin-right:auto;}
.section-head h2{margin-bottom:.2em;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px;}
.head-row h2{margin-bottom:0;}
.link-arrow{font-weight:700;font-size:.95rem;color:var(--navy-600);white-space:nowrap;}

/* ==========================================================================
   Product cards
   ========================================================================== */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;list-style:none;margin:0;padding:0;}
@media (min-width:760px){.product-grid{grid-template-columns:repeat(3,1fr);gap:20px;}}
@media (min-width:1100px){.product-grid{grid-template-columns:repeat(4,1fr);}}

.product-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;transition:.18s;position:relative;
}
.product-card:hover{box-shadow:var(--shadow-lg);border-color:#cbd8ee;}
.pc-media{position:relative;aspect-ratio:1/1;background:linear-gradient(150deg,#dae3f2,#eef2f9 60%,#dde5f3);overflow:hidden;}
.pc-media img{width:100%;height:100%;object-fit:cover;}
.pc-vial{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.vial{
  width:52px;height:96px;border-radius:6px 6px 10px 10px;position:relative;
  background:linear-gradient(100deg,rgba(255,255,255,.95),rgba(226,236,250,.9));
  border:1px solid rgba(255,255,255,.9);box-shadow:0 8px 20px rgba(15,35,80,.16);
  display:flex;align-items:center;justify-content:center;
}
.vial::before{
  content:"";position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  width:30px;height:14px;border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,#2b4fa8,#1b3474);
}
.vial-label{font-size:.5rem;font-weight:900;color:var(--navy-800);text-align:center;line-height:1.2;padding:0 3px;word-break:break-word;}
.vial-mg{font-size:.42rem;background:var(--red-600);color:#fff;border-radius:2px;padding:1px 3px;margin-top:2px;display:inline-block;}

.pc-badge{
  position:absolute;top:8px;font-size:.64rem;font-weight:800;padding:.35em .6em;border-radius:5px;z-index:2;letter-spacing:.01em;
}
.pc-purity{left:8px;background:var(--navy-800);color:#fff;}
.pc-coa{right:8px;background:var(--green-600);color:#fff;}

.pc-body{padding:14px;display:flex;flex-direction:column;flex:1;}
.pc-body h3{font-size:1rem;font-weight:800;color:var(--navy-800);margin-bottom:.3em;text-transform:uppercase;letter-spacing:.01em;}
.pc-blurb{
  font-size:.82rem;color:var(--ink-soft);margin-bottom:.9em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pc-price{font-size:1.15rem;font-weight:900;color:var(--navy-800);margin-bottom:.7em;margin-top:auto;}
.pc-body .btn{font-size:.88rem;padding:.8em 1em;}

/* ==========================================================================
   Category cards
   ========================================================================== */
.cat-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:700px){.cat-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1000px){.cat-grid{grid-template-columns:repeat(4,1fr);}}
.cat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 20px;transition:.18s;display:block;
}
.cat-card:hover{box-shadow:var(--shadow-lg);border-color:#cbd8ee;}
.cat-card .ico{color:var(--navy-800);margin-bottom:26px;}
.cat-card h3{font-size:1.05rem;color:var(--navy-800);margin-bottom:.15em;}
.cat-card span{font-size:.85rem;color:var(--ink-soft);}

/* ==========================================================================
   Feature / trust cards
   ========================================================================== */
.feature-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:700px){.feature-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1050px){.feature-grid{grid-template-columns:repeat(3,1fr);}}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 24px;text-align:center;
}
.feature-card .ico{
  width:56px;height:56px;border-radius:var(--r);background:var(--navy-100);color:var(--navy-800);
  display:flex;align-items:center;justify-content:center;margin:0 auto 18px;
}
.feature-card h3{font-size:1.1rem;margin-bottom:.5em;}
.feature-card p{font-size:.9rem;margin-bottom:0;}

/* Small stat cards (COA page) */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
@media (min-width:900px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 14px;text-align:center;}
.stat-card .ico{color:var(--navy-800);margin-bottom:12px;display:flex;justify-content:center;}
.stat-card strong{display:block;color:var(--navy-800);font-size:.95rem;font-weight:800;margin-bottom:.2em;}
.stat-card span{font-size:.82rem;color:var(--ink-soft);}

/* ==========================================================================
   Shop filters
   ========================================================================== */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:.65em 1.15em;
  font-size:.92rem;font-weight:600;color:var(--navy-800);cursor:pointer;transition:.16s;
  display:inline-flex;align-items:center;gap:8px;
}
.chip:hover{border-color:var(--navy-600);}
.chip.active{background:var(--navy-100);border-color:var(--navy-800);}
.chip .n{color:var(--ink-soft);font-weight:600;font-size:.85rem;}

.filter-bar{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;}
.search-wrap{position:relative;}
.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--ink-soft);}
.search-wrap input{
  width:100%;padding:.9em 1em .9em 2.8em;border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:1rem;color:var(--ink);background:#fff;
}
.search-wrap input:focus{outline:2px solid var(--navy-500);outline-offset:-1px;}
.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.filter-row input[type=number]{
  width:110px;padding:.7em .8em;border:1px solid var(--line);border-radius:var(--r-sm);font-size:.95rem;
}
.filter-row select{
  padding:.7em 2em .7em .8em;border:1px solid var(--line);border-radius:var(--r-sm);font-size:.95rem;
  background:#fff;color:var(--navy-800);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 24 24' fill='none' stroke='%230f2350' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .7em center;
}
.result-count{font-size:.92rem;color:var(--ink-soft);font-weight:600;}
.filter-sep{height:1px;background:var(--line);margin:6px 0 20px;}

/* ==========================================================================
   COA table
   ========================================================================== */
.coa-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;}
.coa-panel-head{padding:20px 20px 16px;border-bottom:1px solid var(--line);}
.coa-panel-head h3{margin-bottom:.5em;font-size:1.25rem;}
.verified-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--green-050);color:var(--green-600);
  border:1px solid #bfe3d0;border-radius:999px;padding:.35em .85em;font-size:.8rem;font-weight:700;
}
.coa-list{display:flex;flex-direction:column;}
.coa-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 20px;
  border-bottom:1px solid var(--line);flex-wrap:wrap;
}
.coa-row:last-child{border-bottom:none;}
.coa-row .meta strong{display:block;color:var(--navy-800);font-weight:800;font-size:.95rem;}
.coa-row .meta span{font-size:.8rem;color:var(--ink-soft);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;}
.coa-row .right{display:flex;align-items:center;gap:10px;}
.purity-tag{background:var(--navy-100);color:var(--navy-800);font-weight:800;font-size:.8rem;padding:.3em .6em;border-radius:5px;}

/* ==========================================================================
   Single product
   ========================================================================== */
.product-single{display:grid;gap:28px;padding:36px 0 20px;}
@media (min-width:900px){.product-single{grid-template-columns:1fr 1fr;gap:48px;align-items:start;}}
.ps-media{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(150deg,#dae3f2,#eef2f9 60%,#dde5f3);aspect-ratio:1/1;position:relative;}
.ps-media .vial{width:100px;height:190px;}
.ps-media .vial::before{width:56px;height:26px;top:-20px;}
.ps-media .vial-label{font-size:.85rem;}
.ps-media .vial-mg{font-size:.6rem;padding:2px 6px;}
.ps-info h1{font-size:clamp(1.7rem,4vw,2.4rem);margin-bottom:.15em;}
.ps-sub{font-size:1rem;color:var(--ink-soft);margin-bottom:1em;}
.ps-price{font-size:1.8rem;font-weight:900;color:var(--navy-800);margin-bottom:.6em;}
.ps-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px;}
.variant-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.variant{border:1.5px solid var(--line);background:#fff;border-radius:var(--r-sm);padding:.65em 1.1em;font-weight:700;font-size:.9rem;color:var(--navy-800);cursor:pointer;}
.variant.active{border-color:var(--navy-800);background:var(--navy-100);}
.qty-row{display:flex;gap:10px;align-items:center;margin-bottom:16px;}
.qty-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;}
.qty-box button{width:40px;height:44px;border:none;background:#fff;font-size:1.2rem;cursor:pointer;color:var(--navy-800);}
.qty-box input{width:46px;height:44px;border:none;text-align:center;font-weight:700;font-size:1rem;}
.spec-table{width:100%;border-collapse:collapse;margin-top:22px;font-size:.9rem;}
.spec-table th,.spec-table td{padding:11px 0;border-bottom:1px solid var(--line);text-align:left;}
.spec-table th{color:var(--ink-soft);font-weight:600;width:45%;}
.spec-table td{color:var(--navy-800);font-weight:700;}
.ruo-note{
  background:var(--red-050);border:1px solid #f3d3d6;border-radius:var(--r-sm);padding:14px 16px;
  font-size:.82rem;color:#7d2129;margin-top:20px;
}

/* ==========================================================================
   Bulk / tier table
   ========================================================================== */
.tier-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
@media (min-width:900px){.tier-grid{grid-template-columns:repeat(4,1fr);}}
.tier{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 16px;text-align:center;}
.tier .qty{font-size:.8rem;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.06em;}
.tier .off{font-size:2rem;font-weight:900;color:var(--red-600);line-height:1.1;margin:.15em 0;}
.tier .lbl{font-size:.82rem;color:var(--ink-soft);}

/* ==========================================================================
   FAQ accordion
   ========================================================================== */
.faq{border:1px solid var(--line);border-radius:var(--r);background:#fff;overflow:hidden;}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:none;}
.faq summary{
  padding:18px 20px;font-weight:700;color:var(--navy-800);cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:.98rem;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--ink-soft);font-weight:400;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq .faq-body{padding:0 20px 18px;font-size:.92rem;color:var(--ink-soft);}

/* ==========================================================================
   RUO banner + footer
   ========================================================================== */
.ruo-banner{background:var(--navy-900);color:#c7d3e8;padding:26px 0;}
.ruo-banner .inner{display:flex;gap:14px;align-items:flex-start;max-width:var(--max);margin:0 auto;padding:0 20px;}
.ruo-banner svg{color:var(--red-500);flex-shrink:0;margin-top:2px;}
.ruo-banner p{color:#c7d3e8;font-size:.88rem;margin-bottom:.5em;}
.ruo-banner strong{color:#fff;}
.ruo-banner p:last-child{margin-bottom:0;font-size:.82rem;color:#8fa3c4;}

.site-footer{background:var(--navy-900);color:#8fa3c4;padding:44px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:34px;}
@media (min-width:700px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1050px){.footer-grid{grid-template-columns:1.6fr repeat(4,1fr);}}
.footer-brand .b1{font-weight:900;font-size:1.05rem;color:#fff;}
.footer-brand .b1 em{font-style:normal;color:var(--red-500);}
.footer-brand p{font-size:.86rem;color:#8fa3c4;margin-top:.8em;max-width:320px;}
.footer-col h4{color:#fff;font-size:.8rem;letter-spacing:.11em;text-transform:uppercase;font-weight:800;margin-bottom:1.1em;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#8fa3c4;font-size:.9rem;}
.footer-col a:hover{color:#fff;}
.footer-legal{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:.76rem;line-height:1.7;color:#7089ad;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:16px;font-size:.76rem;color:#7089ad;}

/* ==========================================================================
   Research-use gate
   ========================================================================== */
.gate{position:fixed;inset:0;background:rgba(11,27,58,.78);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px;}
.gate[hidden]{display:none;}
/* Set by an inline head script before first paint, so an already-accepted
   visitor never sees the gate flash on navigation. */
html.ruo-ok .gate{display:none !important;}
.gate-card{background:#fff;border-radius:var(--r-lg);max-width:540px;width:100%;padding:28px 24px;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-lg);}
.gate-card h2{font-size:1.35rem;margin-bottom:.3em;}
.gate-card > p{font-size:.9rem;}
.gate-list{list-style:none;margin:1.2em 0;padding:0;display:flex;flex-direction:column;gap:13px;}
.gate-list li{display:flex;gap:11px;align-items:flex-start;font-size:.87rem;color:var(--ink-soft);}
.gate-list input{margin-top:3px;flex-shrink:0;width:17px;height:17px;accent-color:var(--navy-800);}
.gate-actions{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.gate-links{margin-top:16px;font-size:.78rem;text-align:center;color:var(--ink-soft);}
.gate-links a{color:var(--ink-soft);text-decoration:underline;}
@media (min-width:600px){.gate-actions{flex-direction:row;}.gate-actions .btn{flex:1;}}

/* ==========================================================================
   Cart drawer
   ========================================================================== */
.cart-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88%,400px);background:#fff;z-index:110;
  transform:translateX(100%);transition:transform .28s;display:flex;flex-direction:column;
}
.cart-drawer.open{transform:translateX(0);}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--line);}
.cart-head h3{margin:0;}
.cart-items{flex:1;overflow-y:auto;padding:8px 20px;}
.cart-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center;}
.cart-item .ci-info{flex:1;}
.cart-item strong{display:block;color:var(--navy-800);font-size:.9rem;}
.cart-item span{font-size:.8rem;color:var(--ink-soft);}
.cart-item .rm{background:none;border:none;color:var(--red-600);cursor:pointer;font-size:.8rem;font-weight:700;}
.cart-foot{padding:18px 20px;border-top:1px solid var(--line);}
.cart-total{display:flex;justify-content:space-between;font-weight:800;color:var(--navy-800);font-size:1.1rem;margin-bottom:14px;}
.cart-empty{text-align:center;color:var(--ink-soft);padding:40px 0;font-size:.92rem;}
.discount-note{font-size:.8rem;color:var(--green-600);font-weight:700;margin-bottom:10px;}

/* ==========================================================================
   Misc / WooCommerce compatibility
   ========================================================================== */
.woocommerce ul.products{display:grid !important;grid-template-columns:repeat(2,1fr);gap:14px;list-style:none;margin:0;padding:0;}
/* Two things can occupy a phantom first cell in a CSS grid:
   1. WooCommerce core adds ::before/::after to ul.products as a float clearfix.
      In a grid container those pseudo-elements become real grid items.
   2. Plugins and some Woo versions inject stray non-product children
      (empty <li>, structured-data nodes, clearfix divs) into the list. */
.woocommerce ul.products::before,
.woocommerce ul.products::after,
ul.products::before,
ul.products::after,
.product-grid::before,
.product-grid::after{content:none !important;display:none !important;}

.woocommerce ul.products > *:not(li.product):not(li.product-category),
ul.products > *:not(li.product):not(li.product-category){display:none !important;}
@media (min-width:760px){.woocommerce ul.products{grid-template-columns:repeat(3,1fr);gap:20px;}}
@media (min-width:1100px){.woocommerce ul.products{grid-template-columns:repeat(4,1fr);}}
.woocommerce ul.products li.product{margin:0 !important;width:auto !important;float:none !important;}
.woocommerce a.button,.woocommerce button.button,.woocommerce input.button,.woocommerce #respond input#submit{
  background:var(--navy-800);color:#fff;border-radius:var(--r-sm);font-weight:700;padding:.8em 1.4em;border:none;
}
.woocommerce a.button:hover,.woocommerce button.button:hover{background:var(--navy-700);color:#fff;}
.woocommerce .woocommerce-message,.woocommerce .woocommerce-info{border-top-color:var(--navy-600);}
.woocommerce span.onsale{background:var(--red-600);}
.page-hero{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:38px 0 32px;}
.page-hero p{max-width:640px;font-size:1rem;}
.prose{max-width:760px;}
.prose h2{margin-top:1.6em;font-size:1.4rem;}
.prose ul{color:var(--ink-soft);font-size:.95rem;padding-left:1.2em;}
.prose li{margin-bottom:.5em;}