/*
Theme Name: RUO Labs Storefront
Theme URI: https://example.com
Author: RUO Labs
Author URI: https://example.com
Description: Custom research-compound storefront theme with age/research-use gate, promo marquee, product catalog, and COA + back-in-stock notify support.
Version: 1.0
Requires at least: 5.8
Requires PHP: 7.4
License: Unlicensed - custom build for RUO Labs
Text Domain: ruo-labs-storefront
*/

/* ===========================================================
   DESIGN TOKENS
   =========================================================== */
:root{
  --navy-950:#0A2036;
  --navy-800:#0F3050;
  --blue-700:#1D5C82;   /* primary wave / brand blue — darker, not black-dark */
  --blue-600:#256F9C;
  --blue-500:#2E7FA8;
  --teal-300:#8FD3E8;
  --ink-800:#132A3D;
  --ink-600:#3E5A6E;
  --paper-50:#F6F9FB;
  --paper-100:#EEF3F6;
  --line:#DCE6EC;
  --amber-500:#C6952F;
  --amber-600:#A97C22;
  --warn-700:#9C3A24;
  --warn-100:#FBEDE8;
  --ok-700:#2C6E49;

  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, Segoe UI, sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  --radius:10px;
  --shadow-sm:0 1px 2px rgba(10,32,54,.06), 0 1px 1px rgba(10,32,54,.04);
  --shadow-md:0 8px 24px rgba(10,32,54,.10);
  --shadow-lg:0 20px 48px rgba(10,32,54,.16);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-800);
  background:var(--paper-50);
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy-950);margin:0 0 .4em;line-height:1.15;}
p{line-height:1.6;margin:0 0 1em;color:var(--ink-600);}
.mono{font-family:var(--font-mono);}
.container{max-width:1180px;margin:0 auto;padding:0 24px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue-700);
  font-weight:600;
}
:focus-visible{outline:2px solid var(--amber-500);outline-offset:2px;}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}}

/* ===========================================================
   AGE / RESEARCH-USE GATE
   =========================================================== */
.gate-overlay{
  position:fixed;inset:0;z-index:999;
  background:linear-gradient(160deg,var(--navy-950),var(--blue-700) 130%);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.gate-overlay[hidden]{display:none;}
.gate-card{
  background:var(--paper-50);
  border-radius:16px;
  max-width:480px;width:100%;
  padding:36px 32px 30px;
  box-shadow:var(--shadow-lg);
  text-align:center;
}
.gate-mark{width:46px;height:46px;margin:0 auto 14px;}
.gate-card h2{font-size:1.4rem;margin-bottom:.5em;}
.gate-card p{font-size:.93rem;}
.gate-legal{
  text-align:left;
  background:var(--warn-100);
  border:1px solid #EFD3C6;
  border-radius:8px;
  padding:14px 16px;
  font-size:.8rem;
  color:var(--warn-700);
  margin:16px 0 20px;
  line-height:1.5;
}
.gate-actions{display:flex;flex-direction:column;gap:10px;}
.gate-fine{font-size:.72rem;color:var(--ink-600);margin-top:14px;}

/* ===========================================================
   MARQUEE
   =========================================================== */
.marquee-bar{
  background:var(--navy-950);
  color:var(--paper-100);
  overflow:hidden;
  white-space:nowrap;
  border-bottom:1px solid var(--blue-700);
}
.marquee-track{
  display:inline-flex;
  gap:64px;
  padding:9px 0;
  animation:marquee 26s linear infinite;
}
.marquee-track span{
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.03em;
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.marquee-track span::before{content:"◆";color:var(--amber-500);font-size:.65rem;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ===========================================================
   NAV
   =========================================================== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,249,251,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:1.15rem;color:var(--navy-950);text-decoration:none;}
.brand-mark{width:30px;height:30px;flex:none;}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0;}
.nav-links a{text-decoration:none;font-size:.88rem;font-weight:500;color:var(--ink-600);}
.nav-links a:hover{color:var(--blue-700);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;}

/* ===========================================================
   BUTTONS
   =========================================================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:.88rem;
  padding:12px 22px;border-radius:8px;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--amber-500);color:var(--navy-950);}
.btn-primary:hover{background:var(--amber-600);box-shadow:var(--shadow-sm);}
.btn-outline{background:transparent;border-color:var(--navy-950);color:var(--navy-950);}
.btn-outline:hover{background:var(--navy-950);color:#fff;}
.btn-ghost{background:transparent;color:var(--blue-700);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--blue-700);}
.btn-block{width:100%;}
.btn-sm{padding:8px 14px;font-size:.78rem;}
.btn[disabled]{opacity:.55;cursor:not-allowed;}

/* ===========================================================
   HERO (waves)
   =========================================================== */
.hero{
  position:relative;
  color:#fff;
  overflow:hidden;
  background:linear-gradient(180deg,var(--navy-950) 0%,var(--blue-700) 78%,var(--blue-600) 100%);
  padding:76px 0 0;
}
.hero-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;
  align-items:center;
  position:relative;z-index:2;
  padding-bottom:70px;
}
.hero .eyebrow{color:var(--teal-300);}
.hero h1{color:#fff;font-size:clamp(2.1rem,3.6vw,3.1rem);letter-spacing:-.01em;}
.hero p.lede{color:#DCEBF2;font-size:1.05rem;max-width:46ch;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:22px;}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;}
.trust-row .item{display:flex;align-items:center;gap:8px;font-size:.78rem;color:#CFE3EC;font-family:var(--font-mono);}
.trust-row svg{width:16px;height:16px;flex:none;color:var(--amber-500);}

.hero-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  padding:22px;
  backdrop-filter:blur(6px);
}
.hero-panel .chart-label{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.72rem;color:var(--teal-300);margin-bottom:8px;}
.hero-panel .coa-fake{border-top:1px solid rgba(255,255,255,.18);margin-top:16px;padding-top:14px;display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:.74rem;color:#CFE3EC;}

.wave-divider{display:block;width:100%;line-height:0;position:relative;z-index:2;margin-top:-2px;}
.wave-divider svg{width:100%;height:auto;display:block;}

/* ===========================================================
   SECTIONS
   =========================================================== */
section{padding:64px 0;}
.section-head{max-width:640px;margin:0 auto 36px;text-align:center;}
.section-head p{margin:0 auto;}
.band-alt{background:var(--paper-100);}
.band-navy{background:var(--navy-950);color:#fff;}
.band-navy h2,.band-navy .eyebrow{color:#fff;}
.band-navy p{color:#B9CBD6;}

/* trust strip */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.strip .cell{background:var(--paper-50);padding:22px 18px;text-align:center;}
.strip .cell strong{display:block;font-family:var(--font-display);font-size:1.05rem;color:var(--navy-950);margin-bottom:4px;}
.strip .cell span{font-size:.78rem;color:var(--ink-600);}

/* ===========================================================
   PRODUCT GRID / CARDS
   =========================================================== */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .2s ease, transform .2s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.card-media{
  aspect-ratio:4/3;background:linear-gradient(145deg,var(--paper-100),var(--paper-50));
  display:flex;align-items:center;justify-content:center;position:relative;
  border-bottom:1px solid var(--line);
}
.card-media svg{width:58%;height:58%;}
.badge{
  position:absolute;top:10px;left:10px;
  font-family:var(--font-mono);font-size:.66rem;letter-spacing:.04em;
  background:var(--navy-950);color:#fff;padding:4px 8px;border-radius:5px;
}
.badge-out{background:var(--warn-700);}
.badge-purity{position:absolute;top:10px;right:10px;background:#fff;border:1px solid var(--line);color:var(--blue-700);padding:4px 8px;border-radius:5px;font-family:var(--font-mono);font-size:.66rem;}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-body h3{font-size:1.02rem;margin:0;}
.card-body .sku{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-600);}
.card-price{display:flex;align-items:baseline;justify-content:space-between;margin-top:auto;padding-top:8px;}
.card-price .amt{font-family:var(--font-display);font-size:1.2rem;color:var(--navy-950);}
.card-price .unit{font-size:.72rem;color:var(--ink-600);}
.card-actions{display:flex;gap:8px;padding:0 18px 18px;}

/* ===========================================================
   COMPLIANCE BLOCKS
   =========================================================== */
.compliance{
  background:var(--warn-100);
  border:1px solid #EFD3C6;
  border-radius:12px;
  padding:22px 24px;
  display:flex;gap:16px;
}
.compliance svg{width:26px;height:26px;flex:none;color:var(--warn-700);margin-top:2px;}
.compliance h4{color:var(--warn-700);margin-bottom:.3em;font-family:var(--font-body);font-size:.95rem;}
.compliance p{color:#7A3120;font-size:.84rem;margin:0;}

/* ===========================================================
   FOOTER
   =========================================================== */
footer{background:var(--navy-950);color:#B9CBD6;padding:52px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1);}
footer h5{color:#fff;font-family:var(--font-body);font-size:.82rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:14px;}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
footer a{text-decoration:none;color:#B9CBD6;font-size:.86rem;}
footer a:hover{color:#fff;}
.footer-legal{font-size:.74rem;color:#7F97A6;line-height:1.7;padding-top:22px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:18px;font-size:.76rem;color:#7F97A6;flex-wrap:wrap;gap:10px;}

/* ===========================================================
   PRODUCT PAGE
   =========================================================== */
.breadcrumb{font-size:.78rem;color:var(--ink-600);padding:18px 0 0;}
.breadcrumb a{color:var(--blue-700);text-decoration:none;}
.product-layout{display:grid;grid-template-columns:.9fr 1fr;gap:48px;padding:26px 0 60px;}
.product-media{
  background:linear-gradient(150deg,var(--paper-100),#fff);
  border:1px solid var(--line);border-radius:16px;
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;position:relative;
}
.product-media svg{width:48%;}
.product-info .eyebrow{margin-bottom:8px;}
.product-info h1{font-size:2rem;}
.stock-row{display:flex;align-items:center;gap:10px;margin:10px 0 4px;}
.stock-dot{width:8px;height:8px;border-radius:50%;background:var(--ok-700);}
.stock-dot.out{background:var(--warn-700);}
.stock-text{font-size:.82rem;font-weight:600;color:var(--ok-700);font-family:var(--font-mono);}
.stock-text.out{color:var(--warn-700);}
.price-row{display:flex;align-items:baseline;gap:10px;margin:14px 0 6px;}
.price-row .amt{font-family:var(--font-display);font-size:2rem;color:var(--navy-950);}
.price-row .per{color:var(--ink-600);font-size:.85rem;}
.spec-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.86rem;}
.spec-table tr{border-bottom:1px solid var(--line);}
.spec-table td{padding:10px 4px;}
.spec-table td:first-child{color:var(--ink-600);font-family:var(--font-mono);font-size:.78rem;width:42%;}
.spec-table td:last-child{color:var(--navy-950);font-weight:600;}
.qty-row{display:flex;align-items:center;gap:14px;margin:20px 0;}
.qty-select{
  display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;overflow:hidden;
}
.qty-select button{background:var(--paper-100);border:none;width:36px;height:40px;font-size:1rem;cursor:pointer;}
.qty-select input{width:44px;border:none;text-align:center;font-family:var(--font-mono);font-size:.9rem;}
.action-row{display:flex;gap:12px;margin-top:6px;}
.coa-box{
  margin-top:22px;border:1px dashed var(--blue-500);border-radius:10px;
  padding:16px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:#F1F8FB;
}
.coa-box .txt strong{display:block;font-size:.9rem;color:var(--navy-950);}
.coa-box .txt span{font-size:.76rem;color:var(--ink-600);}

.notify-box{
  margin-top:18px;border:1px solid var(--line);border-radius:10px;padding:18px;background:#fff;
}
.notify-box strong{display:block;margin-bottom:4px;font-size:.9rem;}
.notify-box p{font-size:.8rem;margin-bottom:12px;}
.notify-form{display:flex;gap:8px;}
.notify-form input[type=email]{
  flex:1;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font-family:var(--font-body);font-size:.86rem;
}
.notify-success{display:none;align-items:center;gap:8px;color:var(--ok-700);font-size:.85rem;font-weight:600;margin-top:10px;}
.notify-success.show{display:flex;}

.tabs{margin-top:44px;}
.tab-nav{display:flex;gap:26px;border-bottom:1px solid var(--line);}
.tab-nav button{
  background:none;border:none;padding:12px 2px;font-size:.88rem;font-weight:600;color:var(--ink-600);
  cursor:pointer;border-bottom:2px solid transparent;
}
.tab-nav button.active{color:var(--navy-950);border-color:var(--amber-500);}
.tab-panel{display:none;padding:22px 0;}
.tab-panel.active{display:block;}

/* related */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}

/* toast */
.toast{
  position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(120%);
  background:var(--navy-950);color:#fff;padding:12px 20px;border-radius:8px;
  font-size:.85rem;box-shadow:var(--shadow-lg);z-index:200;transition:transform .25s ease;
}
.toast.show{transform:translateX(-50%) translateY(0);}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .product-layout{grid-template-columns:1fr;}
  .grid{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:64px;left:0;right:0;background:var(--paper-50);
    flex-direction:column;padding:18px 24px;gap:16px;border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:transform .2s ease;}
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:block;background:none;border:1px solid var(--line);border-radius:6px;width:38px;height:36px;font-size:1rem;}
  .grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}