:root{
  --cream:#f6f1e8;
  --paper:#fffdf9;
  --navy:#173843;
  --teal:#2f5960;
  --muted:#687a80;
  --copper:#b96e4a;
  --line:#dfd7cb;
  --soft:#edf1ef;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  color:var(--navy);
  background:var(--cream);
}
a{color:inherit}
.shell{width:min(1160px,calc(100% - 36px));margin:auto}
.header{
  background:rgba(255,253,249,.96);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:10;
  backdrop-filter:blur(10px);
}
.header-inner{
  min-height:78px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:52px;height:52px;border-radius:50%;object-fit:cover}
.brand-name{font-weight:800;letter-spacing:.055em;font-size:17px}
.brand-sub{font-size:11px;color:var(--muted);margin-top:2px}
.nav{display:flex;gap:24px;align-items:center;font-size:13px}
.nav a{text-decoration:none;color:#38525a}
.nav a:hover{color:var(--copper)}
.hero-wrap{padding:30px 0 0}
.hero{
  min-height:575px;
  border-radius:20px;
  overflow:hidden;
  position:relative;
  background:
    linear-gradient(90deg,rgba(246,241,232,.97) 0%,rgba(246,241,232,.92) 37%,rgba(246,241,232,.26) 66%,rgba(246,241,232,.08) 100%),
    url("assets/science-shop-hero.png") center/cover no-repeat;
  border:1px solid rgba(23,56,67,.08);
  box-shadow:0 20px 50px rgba(31,54,60,.10);
}
.hero-copy{
  width:min(590px,62%);
  padding:74px 0 70px 62px;
}
.eyebrow{
  text-transform:uppercase;letter-spacing:.18em;font-size:11px;font-weight:800;color:var(--copper);
}
h1{font-size:52px;line-height:1.02;margin:15px 0 15px;letter-spacing:-.035em}
.hero h2{font-size:25px;line-height:1.2;margin:0 0 22px;font-weight:500;color:#35545c}
.hero p{font-size:16px;line-height:1.7;color:#526a70;max-width:575px;margin:0 0 28px}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 19px;border-radius:8px;
  text-decoration:none;font-size:13px;font-weight:700;
  border:1px solid transparent;
}
.btn-primary{background:var(--teal);color:white}
.btn-primary:hover{background:#24494f}
.btn-secondary{background:rgba(255,253,249,.88);border-color:#c99679;color:#704e3e}
.note{margin-top:24px;font-size:12px;color:#6b7a7e}
.section{padding:68px 0}
.section-title{text-align:center;max-width:760px;margin:0 auto 34px}
.section-title .eyebrow{margin-bottom:10px}
.section-title h2{font-size:34px;margin:0 0 12px}
.section-title p{font-size:14px;line-height:1.65;color:var(--muted);margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{
  background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:25px;
  min-height:190px;box-shadow:0 8px 24px rgba(40,50,48,.04)
}
.card-kicker{font-size:11px;font-weight:800;color:var(--copper);letter-spacing:.08em;text-transform:uppercase}
.card h3{font-size:22px;margin:10px 0 9px}
.card p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
.subjects{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:30px}
.pill{background:var(--paper);border:1px solid var(--line);padding:9px 13px;border-radius:999px;font-size:12px;color:#496169}
.marketplace{
  background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.market-box{
  display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:center;
  padding:42px 0;
}
.market-box h2{font-size:30px;margin:0 0 10px}
.market-box p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.market-actions{text-align:right}
.launch{
  padding:62px 0;
}
.launch-box{
  background:linear-gradient(135deg,#163944,#506f75);
  border-radius:16px;padding:38px;color:white;text-align:center;
}
.launch-box h2{font-size:31px;margin:0 0 10px}
.launch-box p{max-width:760px;margin:0 auto;color:rgba(255,255,255,.79);font-size:14px;line-height:1.7}
.footer{
  background:#193841;color:#eef4f2;padding:30px 0;
}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
.footer-brand{font-size:13px;font-weight:800;letter-spacing:.05em}
.footer-small{font-size:11px;color:#b8c8c8;margin-top:4px}
.footer-links{display:flex;gap:18px;font-size:11px}
.footer-links a{color:#d8e2e1;text-decoration:none}
.legal-page{padding:54px 0 80px}
.legal-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:34px;max-width:880px;margin:auto}
.legal-card h1{font-size:38px}
.legal-card h2{font-size:20px;margin-top:28px}
.legal-card p,.legal-card li{font-size:13px;line-height:1.75;color:#596d72}
.disclaimer{
  margin-top:24px;padding:14px 16px;background:#f4eee5;border-left:3px solid var(--copper);
  font-size:11px;line-height:1.6;color:#6c5b51
}
@media(max-width:850px){
  .nav{display:none}
  .hero{min-height:560px;background-position:64% center}
  .hero-copy{width:76%;padding:58px 30px}
  h1{font-size:42px}
  .cards{grid-template-columns:1fr}
  .market-box{grid-template-columns:1fr}
  .market-actions{text-align:left}
}
@media(max-width:560px){
  .shell{width:min(100% - 24px,1160px)}
  .hero{background:
    linear-gradient(rgba(246,241,232,.91),rgba(246,241,232,.93)),
    url("assets/science-shop-hero.png") center/cover no-repeat}
  .hero-copy{width:100%;padding:45px 22px}
  h1{font-size:37px}
  .hero h2{font-size:21px}
  .footer-inner{align-items:flex-start;flex-direction:column}
}