:root{
  --ink:#121320;
  --muted:#556070;
  --paper:#fffaf0;
  --paper2:#f7efe0;
  --blue:#103b73;
  --blue2:#062947;
  --teal:#07858f;
  --cyan:#7ce8f2;
  --gold:#f4b942;
  --orange:#f97316;
  --purple:#2b0b63;
  --green:#10b981;
  --line:rgba(16,59,115,.18);
  --shadow:0 18px 60px rgba(16, 37, 65, .14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 12% 4%, rgba(124,232,242,.22), transparent 24rem),
    radial-gradient(circle at 88% 12%, rgba(244,185,66,.18), transparent 26rem),
    linear-gradient(180deg,#fffdf7 0%, #fff7e8 48%, #f3eadb 100%);
  line-height:1.58;
}
a{color:var(--teal);text-decoration:none;font-weight:800}
a:hover{text-decoration:underline}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:.8rem clamp(1rem,4vw,3rem);
  background:rgba(255,250,240,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:.75rem;color:var(--blue);font-weight:950;letter-spacing:.01em}
.brand-mark{width:2.25rem;height:2.25rem;border-radius:999px;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 0 4px rgba(7,133,143,.14);display:grid;place-items:center;color:white;font-size:1.2rem}
nav{display:flex;gap:.9rem;flex-wrap:wrap;justify-content:flex-end;font-size:.92rem}
nav a{color:var(--blue);font-weight:850}
.hero{
  padding:clamp(3rem,7vw,6.5rem) clamp(1.2rem,5vw,4rem) clamp(2rem,5vw,4rem);
  display:grid;
  grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);
  gap:clamp(1.5rem,5vw,4rem);
  align-items:center;
  max-width:1200px;
  margin:0 auto;
}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;color:var(--teal);font-weight:950;font-size:.82rem;margin-bottom:.75rem}
h1,h2,h3{line-height:1.08;margin:0;color:var(--blue)}
h1{font-size:clamp(2.7rem,7vw,5.7rem);letter-spacing:-.06em}
h2{font-size:clamp(2rem,4.2vw,3.5rem);letter-spacing:-.04em;margin-bottom:1rem}
h3{font-size:1.35rem;letter-spacing:-.02em;margin-bottom:.5rem}
.lede{font-size:clamp(1.1rem,2.2vw,1.45rem);color:#25314a;max-width:68ch;margin:1.2rem 0 1.4rem}
.hero-card{
  padding:1.4rem;
  background:linear-gradient(135deg,#062947,#180933 70%,#38145f);
  color:white;
  border-radius:2rem;
  box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.18);
}
.hero-card h3{color:#fff}
.hero-card p{color:#dcecf0}
.molecule{height:11rem;border-radius:1.5rem;margin:.4rem 0 1rem;background:
  radial-gradient(circle at 25% 55%, #89f7ff 0 7%, transparent 7.5%),
  radial-gradient(circle at 43% 38%, #fbbf24 0 6%, transparent 6.5%),
  radial-gradient(circle at 60% 62%, #fb7185 0 7%, transparent 7.5%),
  radial-gradient(circle at 76% 42%, #4ade80 0 5.5%, transparent 6%),
  radial-gradient(circle at 55% 50%, rgba(255,255,255,.22), transparent 45%),
  #0b1732;
  position:relative;
  overflow:hidden;
}
.molecule:before,.molecule:after{content:"";position:absolute;border:3px solid rgba(124,232,242,.42);border-radius:999px;inset:22px 48px;transform:rotate(-12deg)}
.molecule:after{inset:46px 30px;transform:rotate(18deg);border-color:rgba(244,185,66,.34)}
.button-row{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1.25rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.82rem 1rem;border-radius:999px;border:2px solid transparent;font-weight:950;text-decoration:none;line-height:1.1}
.btn.primary{background:var(--blue);color:#fff;box-shadow:0 10px 25px rgba(16,59,115,.22)}
.btn.gold{background:var(--gold);color:#231507}
.btn.ghost{border-color:rgba(16,59,115,.25);color:var(--blue);background:rgba(255,255,255,.55)}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
section{padding:clamp(2.5rem,6vw,5rem) clamp(1.2rem,5vw,4rem)}
.container{max-width:1120px;margin:0 auto}
.grid{display:grid;gap:1.2rem}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:1.4rem;padding:1.25rem;box-shadow:0 10px 35px rgba(16,37,65,.08)}
.card.dark{background:linear-gradient(135deg,var(--blue2),#1b0b3b);color:white;border-color:rgba(255,255,255,.14)}
.card.dark h3{color:white}.card.dark p{color:#e8f7f8}
.pill-list{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.9rem}
.pill{font-size:.82rem;font-weight:850;padding:.35rem .65rem;border-radius:999px;background:#ecfeff;color:#075985;border:1px solid rgba(7,133,143,.16)}
.notice{padding:1rem 1.15rem;border-left:5px solid var(--gold);background:#fff8df;border-radius:1rem;margin:1rem 0;color:#3a2b05}
.page-title{max-width:920px;margin:0 auto;padding:3.2rem 1.2rem 1rem;text-align:center}
.page-title h1{font-size:clamp(2.4rem,6vw,4.6rem)}
.content{max-width:930px;margin:0 auto;padding:1rem clamp(1rem,4vw,3rem) 4rem}
.content h2{font-size:clamp(1.65rem,3vw,2.35rem);margin-top:2.3rem;padding-top:1rem;border-top:1px solid var(--line)}
.content h3{margin-top:1.5rem;color:var(--teal)}
.content p,.content li{font-size:1.04rem;color:#263047}
.callout{background:#eefcff;border:1px solid rgba(7,133,143,.22);border-radius:1.2rem;padding:1rem 1.15rem;margin:1rem 0}
.manual-nav{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin:1rem auto 0;max-width:980px}
.manual-nav a{font-size:.88rem;padding:.4rem .65rem;border-radius:999px;background:#fff;border:1px solid var(--line)}
.site-footer{background:#061e35;color:#d9f5f8;padding:2.5rem clamp(1.2rem,5vw,4rem)}
.site-footer a{color:#9df5ff}.site-footer .small{color:#b7c8ce;font-size:.92rem;max-width:1000px}
@media (max-width:850px){.hero,.grid.two,.grid.three{grid-template-columns:1fr}.site-header{align-items:flex-start;flex-direction:column}nav{justify-content:flex-start}.hero{padding-top:2.5rem}h1{font-size:3rem}}