:root{
  --navy:#173B73;
  --blue:#2563EB;
  --ink:#111827;
  --muted:#5F6B7A;
  --line:#E5E7EB;
  --soft:#F7F9FC;
  --orange:#FF8A4C;
  --purple:#8B5CF6;
  --white:#FFFFFF;
  --radius:22px;
  --shadow:0 18px 50px rgba(23,59,115,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
}
a{color:var(--blue)}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:auto}
.skip-link:focus{left:20px;top:20px;background:#fff;padding:12px 16px;border-radius:12px;z-index:1000}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.90);
  backdrop-filter:saturate(180%) blur(18px);
  border-bottom:1px solid rgba(229,231,235,.8);
}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{width:170px;height:auto}
.nav-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.nav-links a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.96rem}
.nav-links a:hover,.nav-links a:focus{color:var(--blue)}
.hero{
  overflow:hidden;
  background:
    radial-gradient(circle at 88% 22%,rgba(255,138,76,.16),transparent 28%),
    radial-gradient(circle at 12% 10%,rgba(116,184,255,.22),transparent 32%),
    linear-gradient(180deg,#fff 0%,#f8fbff 100%);
  padding:96px 0 76px;
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:72px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #DCE7F8;border-radius:999px;background:#fff;color:var(--navy);font-weight:700;font-size:.9rem}
h1{font-size:clamp(3rem,7vw,5.9rem);line-height:.98;letter-spacing:-.055em;margin:24px 0}
.hero p{font-size:clamp(1.1rem,2vw,1.35rem);color:var(--muted);max-width:680px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:14px;text-decoration:none;font-weight:750}
.button-primary{background:var(--navy);color:#fff;box-shadow:0 12px 28px rgba(23,59,115,.22)}
.button-secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}
.button-disabled{opacity:.62;cursor:not-allowed}
.hero-art{position:relative}
.hero-art::before{content:"";position:absolute;inset:8%;background:linear-gradient(135deg,#74B8FF,#8B5CF6,#FF8A4C);filter:blur(52px);opacity:.25;border-radius:50%}
.hero-art img{position:relative;width:min(380px,100%);margin:auto;filter:drop-shadow(0 24px 34px rgba(23,59,115,.18))}
.section{padding:88px 0}
.section-soft{background:var(--soft)}
.section-title{max-width:760px;margin-bottom:38px}
.section-title h2{font-size:clamp(2.1rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.035em;margin:0 0 14px}
.section-title p{color:var(--muted);font-size:1.12rem;margin:0}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 30px rgba(17,24,39,.04)}
.card-icon{font-size:1.7rem}
.card h3{margin:13px 0 8px;font-size:1.18rem}
.card p{margin:0;color:var(--muted)}
.mission{background:linear-gradient(135deg,#173B73,#244D8F);color:#fff;border-radius:32px;padding:48px}
.mission p{color:#DCE7F8;font-size:1.18rem;max-width:760px}
.faq{display:grid;gap:14px}
details{border:1px solid var(--line);border-radius:16px;padding:18px 20px;background:#fff}
summary{cursor:pointer;font-weight:750}
details p{color:var(--muted)}
.legal-hero{padding:76px 0 40px;background:linear-gradient(180deg,#F6FAFF,#fff)}
.legal-hero h1{font-size:clamp(2.6rem,6vw,4.7rem);margin-bottom:14px}
.legal-hero p{color:var(--muted);font-size:1.1rem}
.legal-layout{display:grid;grid-template-columns:240px 1fr;gap:54px;padding:44px 0 88px}
.legal-nav{position:sticky;top:110px;align-self:start;border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff}
.legal-nav a{display:block;padding:8px 10px;border-radius:10px;color:var(--ink);text-decoration:none;font-weight:650}
.legal-nav a:hover{background:var(--soft)}
.prose{max-width:780px}
.prose h2{font-size:1.7rem;margin-top:2.2em;line-height:1.2}
.prose h3{font-size:1.2rem;margin-top:1.7em}
.prose p,.prose li{color:#374151}
.prose strong{color:var(--ink)}
.notice{border-left:4px solid var(--orange);background:#FFF7F1;padding:16px 18px;border-radius:12px}
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.contact-card{border:1px solid var(--line);border-radius:18px;padding:22px}
.site-footer{background:#0F274C;color:#fff;padding:50px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px}
.site-footer a{color:#DCE7F8;text-decoration:none}
.site-footer h3{font-size:1rem;margin-top:0}
.footer-links{display:grid;gap:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:34px;padding-top:24px;color:#C8D4E7;font-size:.92rem}
@media (max-width:850px){
  .nav{align-items:flex-start;padding:15px 0;flex-direction:column}
  .nav-links{gap:14px}
  .hero{padding-top:64px}
  .hero-grid,.legal-layout,.footer-grid{grid-template-columns:1fr}
  .hero-art{order:-1}
  .hero-art img{width:210px}
  .cards{grid-template-columns:1fr 1fr}
  .legal-nav{position:static}
}
@media (max-width:560px){
  .container{width:min(100% - 28px,1120px)}
  .cards,.contact-grid{grid-template-columns:1fr}
  .nav-links{font-size:.9rem}
  h1{font-size:3.05rem}
  .section{padding:66px 0}
  .mission{padding:30px 24px;border-radius:24px}
}


/* CatOS pre-launch waitlist */
.waitlist-section{
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 8% 15%,rgba(116,184,255,.18),transparent 28%),
    radial-gradient(circle at 92% 85%,rgba(139,92,246,.13),transparent 30%),
    #F7F9FC;
}
.waitlist-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(340px,480px);
  gap:52px;
  align-items:center;
  padding:48px;
  border:1px solid rgba(37,99,235,.12);
  border-radius:32px;
  background:rgba(255,255,255,.88);
  box-shadow:var(--shadow);
}
.waitlist-copy h2{
  max-width:700px;
  margin:22px 0 16px;
  font-size:clamp(2.25rem,4vw,4rem);
  line-height:1.04;
  letter-spacing:-.04em;
}
.waitlist-copy>p{
  max-width:680px;
  margin:0;
  color:var(--muted);
  font-size:1.12rem;
}
.waitlist-benefits{
  display:grid;
  gap:10px;
  margin:26px 0 20px;
  padding:0;
  list-style:none;
}
.waitlist-benefits li{
  position:relative;
  padding-left:30px;
  font-weight:650;
  color:#273449;
}
.waitlist-benefits li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:-1px;
  display:grid;
  width:21px;
  height:21px;
  place-items:center;
  border-radius:50%;
  background:#E8F1FF;
  color:var(--blue);
  font-size:.8rem;
  font-weight:900;
}
.waitlist-copy .waitlist-privacy{
  font-size:.92rem;
  color:var(--muted);
}
.waitlist-form-card{
  min-height:390px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:22px;
  border:1px solid var(--line);
  border-radius:24px;
  background:#fff;
  box-shadow:0 14px 40px rgba(17,24,39,.08);
}
.waitlist-form-card .ml-embedded{
  width:100%;
}
#waitlist{
  scroll-margin-top:105px;
}
@media (max-width:850px){
  .waitlist-shell{
    grid-template-columns:1fr;
    gap:32px;
    padding:34px;
  }
  .waitlist-form-card{
    min-height:360px;
  }
}
@media (max-width:560px){
  .waitlist-shell{
    padding:24px 18px;
    border-radius:24px;
  }
  .waitlist-form-card{
    min-height:340px;
    padding:10px;
    border-radius:18px;
  }
}

/* CatOS Website v8.0 — Early Supporter Reward */
.starter-pack-reward{
  margin:26px 0 24px;
  padding:20px;
  border:1px solid #D8E5F7;
  border-radius:22px;
  background:linear-gradient(145deg,#FFFFFF 0%,#F2F7FF 100%);
  box-shadow:0 12px 30px rgba(23,59,115,.08);
}
.starter-pack-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--blue);
  font-size:.84rem;
  font-weight:800;
  letter-spacing:.04em;
  text-transform:uppercase;
}
.starter-pack-copy h3{
  margin:8px 0 8px;
  font-size:1.5rem;
  line-height:1.15;
  letter-spacing:-.025em;
}
.starter-pack-copy p{margin:0;color:var(--muted);font-size:1rem;}
.starter-pack-reward img{
  width:100%;
  margin-top:18px;
  border-radius:16px;
  border:1px solid rgba(23,59,115,.10);
  box-shadow:0 10px 26px rgba(17,24,39,.10);
}
.starter-pack-points{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.starter-pack-points span{
  display:inline-flex;
  align-items:center;
  padding:7px 10px;
  border-radius:999px;
  background:#E8F1FF;
  color:#173B73;
  font-size:.82rem;
  font-weight:700;
}
.starter-pack-points span::before{content:"✓";margin-right:6px;color:var(--blue);font-weight:900;}
@media (max-width:560px){
  .starter-pack-reward{padding:16px;border-radius:18px;}
  .starter-pack-copy h3{font-size:1.3rem;}
  .starter-pack-points{display:grid;}
}
.reward-social-proof{
  margin:14px 0 0;
  font-weight:700;
  color:#173B73;
  line-height:1.5;
}