:root{
  --bg:#0b0d0f;
  --bg-soft:#0f1317;
  --panel:#12171c;
  --line:#1f282f;
  --line-soft:#182026;
  --text:#e9eef3;
  --muted:#94a3af;
  --muted-2:#6f7f8b;
  --accent:#8ee0c4;
  --accent-dim:#5fb79b;
  --radius:14px;
  --wrap:1120px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 520px at 78% -12%, rgba(142,224,196,.10), transparent 60%),
    radial-gradient(900px 480px at 8% 8%, rgba(142,224,196,.05), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.wrap{width:min(var(--wrap), calc(100% - 48px)); margin-inline:auto}
.wrap-narrow{width:min(720px, calc(100% - 48px)); margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#06231a;padding:10px 14px;border-radius:0 0 8px 0;z-index:99}
.skip:focus{left:0}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}

/* HEADER */.site-header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(10px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-mark{width:22px;height:22px;color:var(--accent)}
.brand-word{font-family:var(--mono);font-weight:600;letter-spacing:.22em;font-size:13px}
.site-nav{display:flex;gap:22px;margin-left:auto}
.site-nav a{color:var(--muted);font-size:14.5px}
.site-nav a:hover{color:var(--text);text-decoration:none}
.lang{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:12px}
.lang-btn{background:none;border:0;color:var(--muted-2);padding:4px 2px;cursor:pointer;font:inherit;letter-spacing:.08em}
.lang-btn.is-active{color:var(--accent)}
.lang-btn:hover{color:var(--text)}
.lang-sep{color:var(--line)}

/* HERO */
.hero{padding:88px 0 76px;border-bottom:1px solid var(--line-soft)}
.hero-404{min-height:62vh;display:flex;align-items:center}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-dim);margin:0 0 18px}
h1{font-size:clamp(38px, 6.2vw, 72px);line-height:1.04;letter-spacing:-.028em;font-weight:650;margin:0 0 22px}
.lead{font-size:clamp(17px, 2.1vw, 21px);color:var(--muted);max-width:62ch;margin:0 0 34px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:13px 20px;font-size:15px;font-weight:550;border:1px solid transparent;cursor:pointer;transition:transform .12s ease, background .15s ease, border-color .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#06231a}
.btn-primary:hover{background:#a2ebd2}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--muted-2);background:rgba(255,255,255,.02)}
.btn:focus-visible,input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.hero-meta{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.hero-meta li{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 12px}

/* SECTIONS */
.section{padding:84px 0;border-bottom:1px solid var(--line-soft)}
.section-alt{background:linear-gradient(180deg, rgba(255,255,255,.012), transparent 60%)}
h2{font-size:clamp(28px, 4vw, 42px);line-height:1.1;letter-spacing:-.02em;font-weight:620;margin:0 0 16px}
.section-lead{color:var(--muted);max-width:66ch;margin:0 0 40px;font-size:17px}

.grid-modules{display:grid;grid-template-columns:repeat(3, 1fr);gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 26px;position:relative;transition:border-color .18s ease, transform .18s ease}
.card:hover{border-color:#2a3842;transform:translateY(-2px)}
.card-quiet{background:transparent;border-style:dashed}
.card-num{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;color:var(--accent-dim)}
.card h3{margin:14px 0 8px;font-size:19px;font-weight:600;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:15px}

.grid-three{display:grid;grid-template-columns:repeat(3, 1fr);gap:34px}
.point h3{margin:0 0 8px;font-size:17px;font-weight:600}
.point p{margin:0;color:var(--muted);font-size:15px}

/* WAITLIST */
.section-waitlist{background:
  radial-gradient(700px 300px at 50% 0%, rgba(142,224,196,.08), transparent 70%),
  var(--bg-soft);
  border-bottom:0;
  text-align:center;
}
.section-waitlist .eyebrow{margin-bottom:14px}
.wait-form{display:flex;gap:10px;margin:0 auto 14px;max-width:520px}
.input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--text);font:inherit;font-size:15px;min-width:0}
.input::placeholder{color:var(--muted-2)}
.input:focus{border-color:var(--accent-dim)}
.form-note{min-height:22px;margin:6px 0 0;font-size:14px;color:var(--accent)}
.form-note.is-error{color:#f09a9a}
.form-alt{color:var(--muted);font-size:14px;margin:14px 0 0}

/* FOOTER */
.site-footer{padding:30px 0;font-size:13.5px;color:var(--muted-2);background:var(--bg)}
.footer-inner{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.footer-brand{font-family:var(--mono);letter-spacing:.22em;font-size:12px;color:var(--muted);margin:0}
.footer-copy{margin:0}
.footer-nav{display:flex;gap:18px;margin-left:auto}
.footer-nav a{color:var(--muted-2)}
.footer-nav a:hover{color:var(--text)}

/* RESPONSIVE */
@media (max-width: 900px){
  .grid-modules{grid-template-columns:repeat(2, 1fr)}
  .grid-three{grid-template-columns:1fr;gap:26px}
  .site-nav{display:none}
}
@media (max-width: 620px){
  body{font-size:16px}
  .hero{padding:64px 0 56px}
  .grid-modules{grid-template-columns:1fr}
  .wait-form{flex-direction:column}
  .btn{width:100%}
  .footer-inner{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-nav{margin-left:0}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}