:root{--bg:#0a0e1a;--bg2:#0f1526;--cyan:#00e5ff;--text:#e6f1ff;--muted:#8a9bb8;--line:rgba(0,229,255,.18)}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6}
a{color:var(--cyan)}
.grid-bg{background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:60px 60px;background-position:center}
.hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:2rem;background:radial-gradient(ellipse at center,rgba(0,229,255,.08),transparent 60%),var(--bg)}
.hero .logo{width:min(520px,85vw);margin-bottom:2rem}
.hero h1{font-size:clamp(1.8rem,4vw,3rem);font-weight:700;letter-spacing:-.01em;margin-bottom:.75rem}
.hero p.tagline{color:var(--muted);font-size:clamp(1rem,2vw,1.25rem);max-width:640px;margin-bottom:2.25rem}
.btn{display:inline-block;padding:.9rem 1.8rem;border:2px solid var(--cyan);color:var(--bg);background:var(--cyan);border-radius:6px;font-weight:600;text-decoration:none;transition:.2s}
.btn:hover{background:transparent;color:var(--cyan);box-shadow:0 0 24px rgba(0,229,255,.35)}
footer{text-align:center;color:var(--muted);font-size:.85rem;padding:1.5rem;border-top:1px solid var(--line)}
/* Deck */
html.deck{scroll-snap-type:y mandatory}
.deck body{overflow-x:hidden}
.slide{min-height:100vh;height:100vh;scroll-snap-align:start;display:flex;flex-direction:column;justify-content:center;padding:4rem max(6vw,1.5rem);border-bottom:1px solid var(--line);overflow:auto}
.slide:nth-child(even){background:var(--bg2)}
.slide .kicker{color:var(--cyan);text-transform:uppercase;letter-spacing:.18em;font-size:.8rem;margin-bottom:.75rem}
.slide h1{font-size:clamp(2.2rem,6vw,4.2rem);line-height:1.1}
.slide h2{font-size:clamp(1.6rem,3.5vw,2.6rem);margin-bottom:1.5rem}
.slide p.lead{color:var(--muted);font-size:1.15rem;max-width:820px;margin-bottom:1.5rem}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;max-width:1200px}
.card{border:1px solid var(--line);border-left:3px solid var(--cyan);background:rgba(0,229,255,.03);padding:1.1rem 1.25rem;border-radius:6px}
.card h3{font-size:1.05rem;margin-bottom:.4rem;color:var(--cyan)}
.card ul,.slide ul{padding-left:1.1rem;color:var(--text)}
.card li{margin:.2rem 0;color:#c9d6ea;font-size:.95rem}
table{border-collapse:collapse;width:100%;max-width:1100px;font-size:.95rem}
th,td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left}
th{color:var(--cyan);background:rgba(0,229,255,.06)}
.note{color:var(--muted);font-size:.85rem;margin-top:1.25rem;font-style:italic}
.title-logo{width:min(380px,70vw);margin-bottom:2rem}
.badge{display:inline-block;border:1px solid var(--cyan);color:var(--cyan);padding:.2rem .7rem;border-radius:999px;font-size:.8rem;margin-top:1.25rem}
.nav{position:fixed;right:1.25rem;bottom:1.25rem;display:flex;flex-direction:column;gap:.5rem;z-index:10}
.nav button{width:46px;height:46px;border-radius:50%;border:1px solid var(--cyan);background:rgba(10,14,26,.85);color:var(--cyan);font-size:1.2rem;cursor:pointer}
.nav button:hover{background:var(--cyan);color:var(--bg)}
.nav .count{color:var(--muted);font-size:.75rem;text-align:center}
.home{position:fixed;left:1.25rem;top:1rem;z-index:10;font-size:.85rem;text-decoration:none;color:var(--muted)}
.home:hover{color:var(--cyan)}
@media(max-width:640px){.slide{padding:3.5rem 1.25rem;height:auto;min-height:100vh}th,td{padding:.4rem}}
.diagram{max-width:1150px;width:100%;margin:0}
.diagram svg{width:100%;height:auto;max-height:68vh;display:block}
.diagram figcaption{color:var(--muted);font-size:.85rem;margin-top:.6rem;max-width:900px}
.ctas{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}
.btn-ghost{background:transparent;color:var(--cyan)}
.btn-ghost:hover{background:var(--cyan);color:var(--bg)}
.xlink{color:var(--muted);font-size:.9rem;margin-top:1rem}
.draft-cards{display:grid;grid-template-columns:repeat(2,minmax(0,340px));gap:20px;justify-content:center;width:100%;max-width:720px}
.draft-card{display:flex;flex-direction:column;gap:.4rem;text-align:left;text-decoration:none;padding:1.1rem 1.25rem;border:1px solid var(--line);border-top:3px solid var(--cyan);border-radius:8px;background:rgba(0,229,255,.04);color:var(--text);transition:.2s}
.draft-card:hover{border-color:var(--cyan);box-shadow:0 0 24px rgba(0,229,255,.2);transform:translateY(-2px)}
.dc-title{font-weight:600;font-size:1rem}
.dc-desc{color:var(--muted);font-size:.9rem}
.dc-go{color:var(--cyan);font-size:.85rem;font-weight:600;margin-top:.2rem}
.contact-link{margin-top:1.75rem;color:var(--muted);font-size:.9rem;text-decoration:none}
.contact-link:hover{color:var(--cyan)}
.contact{max-width:720px;margin:0 auto;padding:4rem 1.5rem 5rem}
.contact h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:1.5rem;text-align:center}
.contact form{display:flex;flex-direction:column;gap:1rem}
.contact .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact label{display:flex;flex-direction:column;gap:.35rem;font-size:.9rem;color:var(--muted)}
.contact .opt{font-size:.8rem}
.contact input,.contact textarea{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:.7rem .8rem;color:var(--text);font:inherit;font-size:1rem}
.contact input:focus,.contact textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,229,255,.15)}
.contact button{align-self:flex-start;cursor:pointer;font:inherit;font-weight:600}
.contact button:disabled{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{min-height:1.4em;font-size:.95rem}
.form-status.ok{color:#7dffb2}.form-status.err{color:#ff7a6b}
@media(max-width:640px){.draft-cards{grid-template-columns:1fr}.contact .row{grid-template-columns:1fr}.contact button{align-self:stretch}}