/* GSO RWC single-page concept build
   Upload index.html and the assets folder together into public_html. */

:root{
  --ink:#071326;
  --navy:#08285d;
  --blue:#0753bd;
  --electric:#0878ff;
  --pale:#eef6ff;
  --line:#d8e4f2;
  --glass:rgba(255,255,255,.82);
  --shadow:0 18px 50px rgba(5,40,90,.12);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  font-family:Inter,Segoe UI,Arial,sans-serif;
  background:
    radial-gradient(circle at 80% 8%,rgba(86,162,255,.14),transparent 28%),
    radial-gradient(circle at 12% 26%,rgba(214,235,255,.55),transparent 32%),
    linear-gradient(180deg,#fbfdff 0%,#f6faff 54%,#eef6ff 100%);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.22;
  background-image:linear-gradient(rgba(6,77,161,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(6,77,161,.025) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(to bottom,black,transparent 85%);
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{display:block;max-width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.section-shell,.site-header,.site-footer{width:min(1180px,calc(100% - 54px));margin-inline:auto}

.site-header{
  min-height:152px;
  display:grid;
  grid-template-columns:265px 1fr;
  align-items:start;
  gap:32px;
  position:relative;
  z-index:10;
}
.brand{display:block;width:148px;padding-top:10px}
.brand img{width:100%;height:auto;display:block;filter:drop-shadow(0 6px 12px rgba(0,24,58,.18))}
.primary-nav{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  gap:25px;
  padding-top:38px;
  min-width:0;
}
.primary-nav a{
  position:relative;
  text-transform:uppercase;
  font-size:12px;
  font-weight:650;
  letter-spacing:.01em;
  white-space:nowrap;
}
.primary-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:-18px;
  height:2px;
  background:linear-gradient(90deg,#092d79,#1793ff);
  transition:.18s ease;
}
.primary-nav a:hover::after,.primary-nav a.active::after{left:0;right:0}
.coa-button{
  border:1.5px solid var(--blue);
  color:var(--navy);
  background:rgba(255,255,255,.55);
  border-radius:4px;
  padding:13px 18px;
  text-transform:uppercase;
  font-size:11px;
  font-weight:750;
  white-space:nowrap;
  cursor:pointer;
}
.profile-button{border:0;background:transparent;padding:0;cursor:pointer;color:#0753bd}
.profile-button svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.5}
.menu-toggle{display:none}

.hero{
  min-height:510px;
  display:grid;
  grid-template-columns:42% 58%;
  align-items:center;
  position:relative;
  margin-top:-6px;
}
.hero-copy{padding:18px 0 48px 8px;position:relative;z-index:2}
.eyebrow{
  margin:0 0 16px;
  color:#06499f;
  text-transform:uppercase;
  font-size:14px;
  line-height:1.25;
  letter-spacing:.19em;
  font-weight:800;
}
.hero h1,.products-copy h2{
  margin:0;
  text-transform:uppercase;
  font-weight:860;
  letter-spacing:-.035em;
  line-height:.98;
}
.hero h1{font-size:clamp(56px,6vw,78px)}
.hero h1 span,.products-copy h2 span{
  background:linear-gradient(180deg,#8ec8ff 0%,#0b7aff 17%,#00439b 54%,#0b67d6 77%,#092f77 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  text-shadow:0 1px 0 rgba(255,255,255,.7),0 8px 18px rgba(0,70,170,.12);
}
.title-rule{width:86px;height:4px;background:linear-gradient(90deg,#013777,#0d7cff);margin:22px 0 18px}
.hero-subtitle{text-transform:uppercase;letter-spacing:.27em;font-size:15px;margin:0 0 26px}
.hero-intro{font-size:16px;line-height:1.68;margin:0 0 28px;color:#151f2f}
.button-row{display:flex;gap:18px;flex-wrap:wrap}
.button{
  min-height:46px;
  padding:0 20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:28px;
  border-radius:4px;
  text-transform:uppercase;
  letter-spacing:.02em;
  font-size:12px;
  font-weight:760;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.button:hover{transform:translateY(-2px)}
.button-primary{
  color:white;
  border:1px solid #06449d;
  background:linear-gradient(145deg,#0879f2 0%,#0749ad 42%,#032f76 100%);
  box-shadow:0 10px 22px rgba(3,69,159,.20),inset 0 1px rgba(255,255,255,.35);
}
.button-outline{
  border:1.5px solid #0751b6;
  color:#073d8b;
  background:rgba(255,255,255,.55);
  box-shadow:inset 0 0 18px rgba(89,164,255,.05);
}
.hero-visual{align-self:stretch;position:relative;display:flex;align-items:flex-end;justify-content:center;overflow:visible}
.hero-visual::before{
  content:"";
  position:absolute;
  width:78%;
  aspect-ratio:1;
  border-radius:50%;
  background:radial-gradient(circle,rgba(20,113,255,.18),rgba(20,113,255,0) 67%);
  filter:blur(26px);
  top:9%;
  left:14%;
}
.hero-visual img{
  width:100%;
  height:auto;
  object-fit:contain;
  mix-blend-mode:multiply;
  filter:drop-shadow(0 22px 24px rgba(9,55,112,.16));
  position:relative;
  z-index:1;
}
.view-badge{position:absolute;right:-2px;bottom:95px;z-index:3;text-align:center;text-transform:uppercase;color:#0b1c33}
.view-badge b{font-size:16px;display:block}
.view-badge span{font-size:9px;line-height:1.3;display:block;width:72px}
.pager-dots{position:absolute;bottom:12px;left:48%;display:flex;gap:7px;z-index:4}
.pager-dots i{width:5px;height:5px;border-radius:50%;background:#a7b7cd}
.pager-dots i.current{background:#0751b9;width:7px;height:7px}

.benefit-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid rgba(189,208,232,.62);
  background:rgba(255,255,255,.74);
  box-shadow:var(--shadow);
  border-radius:16px;
  padding:24px 28px;
  backdrop-filter:blur(15px);
}
.benefit-strip article{min-height:73px;display:grid;grid-template-columns:66px 1fr;align-items:center;gap:14px;padding:0 20px;border-right:1px solid #d6e0ed}
.benefit-strip article:first-child{padding-left:0}
.benefit-strip article:last-child{border-right:0;padding-right:0}
.benefit-strip h2,.standards-bar h2{font-size:12px;text-transform:uppercase;margin:0 0 8px;line-height:1.2}
.benefit-strip p,.standards-bar p{font-size:12px;line-height:1.55;margin:0}
.line-icon,.standards-bar svg{width:55px;height:55px;fill:none;stroke:#0752bd;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.target-icon{width:55px;height:55px;border:3px solid #0752bd;border-radius:50%;position:relative}
.target-icon::before,.target-icon::after{content:"";position:absolute;background:#0752bd;left:50%;top:50%;transform:translate(-50%,-50%)}
.target-icon::before{width:72px;height:2px}
.target-icon::after{width:2px;height:72px}
.target-icon{box-shadow:inset 0 0 0 9px white,inset 0 0 0 11px #0752bd}
.target-icon + div{position:relative;z-index:2}

.products{
  display:grid;
  grid-template-columns:200px 1fr;
  align-items:stretch;
  margin-top:27px;
  gap:20px;
}
.products-copy{padding:18px 0 10px 8px}
.products-copy .eyebrow{margin-bottom:18px}
.products-copy h2{font-size:38px;line-height:1.03;margin-bottom:22px}
.products-copy p:not(.eyebrow){font-size:15px;line-height:1.58;margin:0 0 20px}
.button.compact{min-height:40px;padding:0 13px;gap:25px;font-size:11px}
.vial-stage{
  position:relative;
  min-height:310px;
  border:1px solid #cbdbea;
  border-radius:12px;
  overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.72),rgba(237,246,255,.76));
  box-shadow:inset 0 1px white,0 12px 30px rgba(4,46,105,.08);
}
.vial-stage img{width:100%;height:100%;object-fit:cover;object-position:center;mix-blend-mode:multiply}
.carousel-next{
  position:absolute;
  right:-1px;
  top:50%;
  transform:translateY(-50%);
  width:44px;height:44px;border-radius:50% 0 0 50%;
  border:0;background:white;color:#0753bd;font-size:36px;
  box-shadow:0 4px 18px rgba(6,50,115,.17);cursor:pointer
}

.difference{
  display:grid;
  grid-template-columns:39% 30% 31%;
  gap:0;
  margin-top:18px;
  align-items:stretch;
}
.science-card{
  min-height:240px;
  position:relative;
  overflow:hidden;
  border-radius:13px;
  box-shadow:0 12px 30px rgba(2,48,109,.15);
}
.science-card img{width:100%;height:100%;object-fit:cover}
.science-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 47%,rgba(0,13,36,.88) 100%)}
.play-button{
  position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  width:60px;height:60px;border-radius:50%;
  border:1.5px solid white;color:white;display:grid;place-items:center;
  z-index:2;font-size:25px;padding-left:4px;background:rgba(4,42,96,.18)
}
.science-caption{position:absolute;left:18px;bottom:16px;z-index:3;color:white}
.science-caption b{text-transform:uppercase;font-size:14px;letter-spacing:.03em;display:block;margin-bottom:7px}
.science-caption small{font-size:14px}
.difference-copy{padding:16px 30px 8px}
.difference-copy .eyebrow,.quality-card .eyebrow{font-size:12px}
.difference-copy h2{font-size:27px;text-transform:uppercase;margin:0 0 14px}
.difference-copy p:not(.eyebrow){font-size:13.5px;line-height:1.5;margin:0 0 11px}
.text-link{color:#064aa5;text-transform:uppercase;font-size:12px;font-weight:800;letter-spacing:.04em}
.quality-card{
  position:relative;
  min-height:240px;
  padding:18px 22px;
  background:rgba(255,255,255,.72);
  border:1px solid #d4e0ee;
  border-radius:13px;
  box-shadow:0 12px 30px rgba(2,48,109,.09);
  overflow:hidden;
}
.quality-card ul{list-style:none;padding:0;margin:10px 0 0;position:relative;z-index:2}
.quality-card li{font-size:12.5px;margin:0 0 14px;padding-left:27px;position:relative}
.quality-card li::before{
  content:"✓";position:absolute;left:0;top:-2px;width:18px;height:18px;border-radius:50%;
  display:grid;place-items:center;background:linear-gradient(145deg,#0b7eff,#063b91);color:white;font-size:11px;font-weight:900
}
.quality-watermark{position:absolute;width:100px;right:15px;bottom:6px;fill:none;stroke:#a7b8cf;stroke-width:4;opacity:.38}

.standards-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  margin-top:22px;
  color:white;
  background:
    radial-gradient(circle at 20% 0,rgba(41,139,255,.7),transparent 32%),
    linear-gradient(110deg,#064fb0,#003878 55%,#02285e);
  border-radius:13px;
  padding:23px 22px;
  box-shadow:0 18px 35px rgba(1,47,112,.22),inset 0 1px rgba(255,255,255,.25);
}
.standards-bar article{display:grid;grid-template-columns:58px 1fr;gap:13px;align-items:center;padding:0 18px;border-right:1px solid rgba(255,255,255,.23)}
.standards-bar article:last-child{border-right:0}
.standards-bar svg{stroke:white;width:48px;height:48px}
.standards-bar h2{color:white}
.standards-bar p{color:rgba(255,255,255,.84);font-size:11.5px}

.site-footer{
  min-height:95px;
  display:grid;
  grid-template-columns:150px 240px 1fr auto;
  align-items:center;
  gap:22px;
  padding-top:15px;padding-bottom:12px;
}
.footer-logo{width:84px;display:block;filter:drop-shadow(0 6px 12px rgba(0,24,58,.15))}
.site-footer p{font-size:11px;color:#364458}
.site-footer nav{display:flex;justify-content:center;gap:0}
.site-footer nav a{font-size:10.5px;color:#344256;padding:0 22px;border-right:1px solid #cfd8e4}
.site-footer nav a:last-child{border-right:0}
.socials{display:flex;gap:11px}
.socials a{width:36px;height:36px;border:1.5px solid #0753bd;border-radius:50%;display:grid;place-items:center;color:#07469c;font-weight:800}

.coa-modal{
  width:min(520px,calc(100% - 36px));
  border:1px solid #bdd2ec;border-radius:18px;padding:34px;
  box-shadow:0 30px 90px rgba(1,34,84,.3);
  background:linear-gradient(145deg,#ffffff,#eff7ff);
}
.coa-modal::backdrop{background:rgba(1,15,38,.55);backdrop-filter:blur(6px)}
.coa-modal h2{font-size:34px;margin:0 0 12px;text-transform:uppercase}
.coa-modal p{line-height:1.5}
.coa-modal form{display:grid;gap:14px}
.coa-modal label{font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:.04em}
.coa-modal input{display:block;width:100%;margin-top:6px;padding:13px 14px;border:1px solid #bfcfe2;border-radius:7px;background:white}
.modal-close{position:absolute;right:17px;top:12px;border:0;background:transparent;color:#0b387a;font-size:30px;cursor:pointer}
.form-status{min-height:20px;margin:0!important;color:#074b9f;font-size:13px}

@media (max-width:1050px){
  .site-header{grid-template-columns:220px 1fr;gap:12px}
  .brand{width:132px}
  .primary-nav{gap:15px}
  .primary-nav a{font-size:10.5px}
  .coa-button{padding:11px 12px}
  .hero h1{font-size:59px}
  .benefit-strip article{padding:0 11px;grid-template-columns:55px 1fr}
}
@media (max-width:860px){
  .section-shell,.site-header,.site-footer{width:min(100% - 34px,760px)}
  .site-header{min-height:112px;grid-template-columns:190px 1fr;align-items:start}
  .brand{width:118px}
  .menu-toggle{
    display:block;justify-self:end;margin-top:28px;width:42px;height:38px;border:1px solid #a9c4e4;border-radius:7px;background:rgba(255,255,255,.7);padding:8px;cursor:pointer
  }
  .menu-toggle span:not(.sr-only){display:block;height:2px;background:#074aa7;margin:5px 0}
  .primary-nav{
    display:none;position:absolute;right:0;top:82px;width:min(330px,90vw);
    padding:20px;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(255,255,255,.96);border:1px solid #cedded;border-radius:13px;box-shadow:var(--shadow)
  }
  .primary-nav.open{display:flex}
  .primary-nav a{padding:12px 5px;font-size:12px}
  .primary-nav a::after{display:none}
  .coa-button{margin-top:10px}
  .profile-button{display:none}
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-copy{padding-bottom:12px;text-align:center}
  .title-rule{margin-inline:auto}
  .button-row{justify-content:center}
  .hero-visual{min-height:440px}
  .hero-visual img{max-width:690px}
  .benefit-strip{grid-template-columns:1fr 1fr;gap:0}
  .benefit-strip article{border-right:0;border-bottom:1px solid #d6e0ed;padding:18px}
  .benefit-strip article:nth-child(odd){border-right:1px solid #d6e0ed}
  .benefit-strip article:nth-last-child(-n+2){border-bottom:0}
  .products{grid-template-columns:1fr}
  .products-copy{text-align:center}
  .difference{grid-template-columns:1fr 1fr}
  .science-card{grid-column:1/-1}
  .standards-bar{grid-template-columns:1fr 1fr;gap:0}
  .standards-bar article{padding:16px;border-bottom:1px solid rgba(255,255,255,.22)}
  .standards-bar article:nth-child(2){border-right:0}
  .standards-bar article:nth-last-child(-n+2){border-bottom:0}
  .site-footer{grid-template-columns:1fr;text-align:center;justify-items:center}
}
@media (max-width:560px){
  .section-shell,.site-header,.site-footer{width:min(100% - 24px,520px)}
  .site-header{grid-template-columns:160px 1fr;min-height:98px}
  .brand{width:96px}
  .menu-toggle{margin-top:22px}
  .hero h1{font-size:clamp(47px,14vw,65px)}
  .hero-subtitle{font-size:12px;letter-spacing:.2em}
  .hero-intro{font-size:15px}
  .button{width:100%}
  .hero-visual{min-height:320px}
  .view-badge{display:none}
  .benefit-strip{grid-template-columns:1fr;padding:10px 16px}
  .benefit-strip article,.benefit-strip article:nth-child(odd){border-right:0;border-bottom:1px solid #d6e0ed;padding:18px 0}
  .benefit-strip article:last-child{border-bottom:0}
  .vial-stage{min-height:220px}
  .difference{grid-template-columns:1fr}
  .science-card{grid-column:auto}
  .difference-copy{padding:25px 8px}
  .quality-card{min-height:225px}
  .standards-bar{grid-template-columns:1fr}
  .standards-bar article,.standards-bar article:nth-child(2){border-right:0;border-bottom:1px solid rgba(255,255,255,.22)}
  .standards-bar article:last-child{border-bottom:0}
  .site-footer nav{flex-wrap:wrap}
  .site-footer nav a{margin:5px 0}
}