:root{
  --bg:#ffffff; --ink:#0f172a; --ink-2:#334155; --ink-3:#64748b; --line:#e2e8f0;
  --sky:#0ea5e9; --sky-2:#38bdf8; --emerald:#059669;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family: Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Helvetica Neue",Arial,"Noto Sans",sans-serif;background:var(--bg);color:var(--ink);}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
.button{display:inline-flex;gap:.5rem;align-items:center;border-radius:14px;padding:.85rem 1.1rem;border:1px solid var(--line);background:var(--ink);color:#fff;font-weight:600}
.button.outline{background:#fff;color:var(--ink);}
.badge{display:inline-block;padding:.25rem .6rem;border-radius:999px;background:var(--sky);color:#fff;font-size:.75rem;font-weight:700}
.pill{display:inline-block;padding:.4rem .75rem;border-radius:999px;background:rgba(15,23,42,.9);color:#fff;font-size:.75rem;border:1px solid rgba(255,255,255,.08)}
h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.1;margin:.5rem 0}
h2{font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.15;margin:.5rem 0}
p{color:var(--ink-3)}
nav a{font-size:.95rem;color:var(--ink-2)}
nav a:hover{color:var(--ink)}
.sep{border-top:1px solid var(--line)}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns: repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns: repeat(3,minmax(0,1fr))}
.card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff;box-shadow:0 4px 18px rgba(0,0,0,.04)}
.card h3{margin:.15rem 0 .25rem}
.mono{font-variant-numeric: tabular-nums}
.stat{ text-align:center }
.stat .value{font-size:1.8rem;font-weight:900}
.stat .label{font-size:.7rem;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase;margin-top:.15rem}
.header{position:sticky;top:0;backdrop-filter:saturate(180%) blur(10px);background:rgba(255,255,255,.7);border-bottom:1px solid var(--line);z-index:20}
.header .inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:.75rem}
.brand-name{font-weight:900;font-size:1.4rem;letter-spacing:.2px}
.tagline{letter-spacing:.2em;color:var(--ink-3);font-size:.6rem;text-transform:uppercase}
.bubbles img{color:var(--sky-2)}
.hero{padding:64px 0 28px;background:radial-gradient(60% 50% at 50% 0%, #e6f0ff 0%, #ffffff 60%)}
.hero .visual{border-radius:24px;background:linear-gradient(135deg,#0f172a,#334155);padding:1px;box-shadow:0 16px 40px rgba(0,0,0,.2)}
.hero .visual-inner{background:#fff;border-radius:24px;position:relative;overflow:hidden;min-height:360px}
.hero .visual-inner::before{content:"";position:absolute;inset:0;background:url('assets/cell-structure-1.jpg') center/cover no-repeat;opacity:.35}
.lines{position:absolute;inset:0}
.lines div{position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent, #e2e8f0, transparent)}
.motif{position:absolute;inset:0;background:
  radial-gradient(circle at 20% 30%, #60a5fa 0%, rgba(0,0,0,0) 35%),
  radial-gradient(circle at 80% 20%, #38bdf8 0%, rgba(0,0,0,0) 30%),
  radial-gradient(circle at 60% 70%, #0ea5e9 0%, rgba(0,0,0,0) 25%);
opacity:.6}
.hero .readout{position:absolute;left:24px;right:24px;bottom:16px;display:flex;justify-content:space-between;align-items:center}
.section{padding:56px 0}
.footer{border-top:1px solid var(--line);padding:32px 0;background:#fff}
input, textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:.8rem .9rem;font:inherit;color:var(--ink);}
textarea{min-height:120px;resize:vertical}
form .row{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width: 640px){ form .row{grid-template-columns:1fr 1fr} }
@media (max-width: 980px){ .grid-2{grid-template-columns:1fr} .grid-3{grid-template-columns:1fr} }
.emphasis{font-weight:700;color:var(--ink-2)}