/* Walter site: dark, calm, one glowing blob. System fonts only; no external resources. */
:root{
  --bg:#05070d; --bg2:#0b1020; --card:#0f1528; --line:#26304f;
  --text:#eef1f8; --muted:#aab4d0; --glow:#6cbcff; --glow2:#8a7dff; --warm:#ffd48a;
  --radius:18px; --max:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1200px 700px at 70% -10%,#13204a 0%,transparent 60%),var(--bg);
  color:var(--text);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif}
a{color:var(--glow)} a:hover{color:#a9d8ff}
:focus-visible{outline:3px solid var(--warm);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--warm);color:#000;padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
.draft-banner{background:#3a2a00;color:var(--warm);text-align:center;font-size:14px;padding:6px 12px}
header.site{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text);text-decoration:none}
.logo-dot{width:26px;height:22px;border-radius:50% 50% 46% 46%;background:radial-gradient(circle at 40% 35%,#d4ecff,var(--glow) 45%,var(--glow2));box-shadow:0 0 18px var(--glow)}
header.site nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
header.site nav a{color:var(--muted);font-size:15px;text-decoration:none}
header.site nav a:hover,header.site nav a[aria-current=page]{color:var(--text)}
header.site nav a[aria-current=page]{text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--glow)}
h1{font-size:clamp(34px,5vw,56px);line-height:1.08;margin:0 0 18px;letter-spacing:-.02em}
.eyebrow{color:var(--glow);font-weight:600;letter-spacing:.06em;text-transform:uppercase;font-size:13px;margin:0 0 12px}
.glow-text{background:linear-gradient(90deg,var(--glow),#b7a9ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:20px;color:var(--muted);margin:0 0 28px;max-width:720px}
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding-top:40px}
.btn{display:inline-block;padding:13px 22px;border-radius:999px;font-weight:600;border:1px solid var(--line);color:var(--text);text-decoration:none;font-size:16px;font-family:inherit;cursor:pointer;background:transparent;margin:4px 8px 4px 0}
.btn.primary{background:linear-gradient(135deg,var(--glow),var(--glow2));border:0;color:#04101f;box-shadow:0 0 30px rgba(95,180,255,.35)}
.btn:hover{filter:brightness(1.1);color:var(--text)} .btn.primary:hover{color:#04101f}
.btn.small{padding:8px 16px;font-size:14px;margin:0} header.site nav a.btn.primary{color:#04101f}
.stage{aspect-ratio:4/3;border-radius:28px;background:linear-gradient(180deg,#0a1124,#04060c);border:10px solid #151a26;
  box-shadow:0 30px 80px rgba(0,0,0,.6),inset 0 0 60px rgba(0,0,0,.6);display:grid;place-items:center;overflow:hidden}
.stage.small{max-width:300px;margin:0 auto 24px}
.stage svg{width:92%;height:auto}
section{padding:56px 0;border-top:1px solid var(--line)}
section.first{border-top:0;padding-top:40px}
h2{font-size:30px;margin:0 0 12px;letter-spacing:-.01em}
p.sub{color:var(--muted);margin:0 0 30px;max-width:740px}
.grid{display:grid;gap:20px;padding:0;margin:0 0 20px;list-style:none}
.g4{grid-template-columns:repeat(4,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin:0 0 8px;font-size:19px} .card p{margin:0;color:var(--muted)}
.step-n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#14204a;color:var(--glow);font-weight:700;margin-bottom:10px}
.price{font-size:40px;font-weight:700;margin:6px 0} .price small{font-size:16px;color:var(--muted);font-weight:400}
.card.feature{border-color:#3a51a0;box-shadow:0 0 40px rgba(95,180,255,.12)}
ul.ticks{list-style:none;padding:0;margin:14px 0 0} ul.ticks li{padding:4px 0 4px 24px;position:relative;color:var(--muted)}
ul.ticks li:before{content:"";position:absolute;left:4px;top:13px;width:8px;height:8px;border-radius:50%;background:var(--glow);box-shadow:0 0 8px var(--glow)}
.note{font-size:15px;color:var(--muted)} .mt{margin-top:18px}
figure{margin:0} figcaption{color:var(--muted);font-size:15px;margin-top:12px;text-align:center}
.wall-fig svg,.diagram svg{width:100%;height:auto;display:block}
.diagram{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-top:20px}
.prose{max-width:800px} .prose h2{margin-top:36px;font-size:24px} .prose h3{font-size:19px;margin-top:24px}
.prose p,.prose li{color:#d3d9ea} .prose li{margin:6px 0}
table{border-collapse:collapse;width:100%;margin:16px 0} td,th{border:1px solid var(--line);padding:10px;text-align:left;vertical-align:top;font-size:15px}
th{background:var(--bg2)}
code{background:#141b33;padding:1px 6px;border-radius:6px;font-size:.92em}
.faq{max-width:820px} .faq-h{font-size:20px;margin:32px 0 12px;color:var(--glow)}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px}
summary{cursor:pointer;font-weight:600} details p{color:var(--muted);margin:10px 0 0}
.narrow{max-width:640px} .center{text-align:center} .center .lead{margin-left:auto;margin-right:auto}
form.signup .field{margin-bottom:18px}
form.signup label{display:block;font-weight:600;margin-bottom:6px} .opt{color:var(--muted);font-weight:400}
form.signup input,form.signup select,form.signup textarea{width:100%;padding:13px 16px;border-radius:12px;border:1px solid #3a4568;background:#0a0f1e;color:var(--text);font:inherit}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form-msg{margin-top:12px;color:var(--warm);min-height:1.4em}
.cta-band{text-align:center} .cta-band .sub{margin-left:auto;margin-right:auto}
footer.site{border-top:1px solid var(--line);padding:30px 24px 50px;color:var(--muted);font-size:14px}
footer.site nav{display:flex;flex-wrap:wrap;gap:8px 18px;margin-bottom:12px} footer.site a{color:var(--muted)}
.legal-draft{border:1px solid #6b4f00;background:#1d1600;color:var(--warm);border-radius:12px;padding:12px 16px;margin:20px 0;font-weight:600}
/* the face: a slow float and an occasional blink */
.face-body{animation:float 6s ease-in-out infinite}
.eye{transform-box:fill-box;transform-origin:center;animation:blink 7s infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes blink{0%,95%,100%{transform:scaleY(1)}97%{transform:scaleY(.08)}}
@media (max-width:900px){.hero{grid-template-columns:1fr}.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}
@media (max-width:560px){.g4{grid-template-columns:1fr}header.site nav{gap:12px}body{font-size:16px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}