:root{color-scheme:dark;--ink:#f2f5ff;--muted:#a7b3d0;--cyan:#78f6ff;--violet:#ba9cff;--base:#070916;--line:#273454;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}
*{box-sizing:border-box}
body{margin:0;background:var(--base);color:var(--ink);font:16px/1.6 system-ui,sans-serif}
a{color:inherit;text-underline-offset:.25em}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:5px}
.skip-link{position:absolute;top:.5rem;left:.5rem;z-index:10;transform:translateY(-160%);background:var(--cyan);color:var(--base);padding:.6rem 1rem;border-radius:.3rem}
.skip-link:focus{transform:none}
.header,main,footer{width:min(1280px,calc(100% - 72px));margin-inline:auto}
.header{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:82px}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:24px;letter-spacing:-.045em;font-weight:780}
.brand em{font-style:normal;color:var(--cyan)}
.brand svg{width:34px;height:34px;color:var(--cyan)}
nav{display:flex;align-items:center;gap:clamp(12px,3vw,34px);font-size:.9rem}
nav a{text-decoration:none;color:var(--muted)}
nav a:hover{color:var(--cyan)}
.login{border:1px solid var(--line);border-radius:8px;padding:.5rem .85rem;color:var(--ink);white-space:nowrap}
.hero{position:relative;isolation:isolate;display:grid;grid-template-columns:1.25fr 1fr;align-items:center;min-height:510px;overflow:hidden;border:1px solid #354368;border-radius:23px;background:radial-gradient(ellipse at 81% 47%,#232057 0%,#101a3b 32%,transparent 64%),linear-gradient(110deg,#10172c,#0b1020 62%);box-shadow:0 24px 85px #02030b80}
.hero:before{position:absolute;z-index:-1;inset:0;content:"";background:linear-gradient(#839cff13 1px,transparent 1px),linear-gradient(90deg,#839cff13 1px,transparent 1px);background-size:40px 40px;mask-image:linear-gradient(90deg,transparent 10%,#000 84%)}
.hero-copy{padding:clamp(26px,4.4vw,72px);padding-right:0;z-index:1}
.kicker,.suite-label,.eyebrow,.diagram-label{font:600 .73rem/1.4 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.kicker{display:flex;align-items:center;gap:10px;margin:0 0 22px}
.kicker:before{content:"";width:8px;height:8px;border:1px solid var(--cyan);transform:rotate(45deg);box-shadow:0 0 12px #78f6ff80}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(2.5rem,5.5vw,5.5rem);line-height:1;letter-spacing:-.072em;font-weight:720;margin-bottom:22px}
h1 span{color:var(--cyan);background:linear-gradient(95deg,#83f9ff 4%,#a5b9ff 74%,#c4a2ff 100%);background-clip:text;-webkit-text-fill-color:transparent}
.subtitle{color:var(--muted);max-width:36ch;font-size:clamp(1rem,1.5vw,1.17rem);margin-bottom:25px}
.primary{display:inline-flex;justify-content:space-between;align-items:center;gap:24px;background:var(--cyan);color:#081022;border-radius:9px;padding:.77rem 1.05rem;font-weight:750;text-decoration:none;box-shadow:0 0 28px #78f6ff28;transition:background .2s,transform .2s}
.primary:hover{background:#b7fbff;transform:translateY(-2px)}
.switch{margin:12px 0 0;color:var(--muted);font-size:.84rem}.switch a{color:var(--ink)}
.diagram{margin:0;position:relative;padding:8px 28px 14px 0;min-width:0}
.diagram svg{display:block;width:100%;height:auto;overflow:visible}
.diagram-label{text-align:center;margin:-4px 0 0;color:#aebeea;font-size:.66rem}
.orbit{stroke-dasharray:8 8;animation:flow 16s linear infinite}
@keyframes flow{to{stroke-dashoffset:-160}}
.capabilities,.safety{margin-block:clamp(45px,6vw,88px);scroll-margin-top:24px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:19px}
.eyebrow{margin:0 0 8px}
h2{font-size:clamp(1.85rem,3.8vw,3.15rem);line-height:1.12;letter-spacing:-.055em;margin:0}
.section-head>p{margin:0;color:var(--muted)}
.suite-grid,.safety-grid{display:grid;gap:14px}
.suite-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.suite{--accent:var(--cyan);position:relative;overflow:hidden;display:flex;flex-direction:column;align-items:start;padding:clamp(20px,3vw,36px);border:1px solid var(--line);border-radius:16px;background:radial-gradient(ellipse at 100% 0,color-mix(in srgb,var(--accent) 13%,transparent),transparent 62%),#0d1428}
.suite:before{position:absolute;content:"";left:22px;top:0;width:90px;height:2px;background:var(--accent);box-shadow:0 0 15px var(--accent)}
.suite:nth-child(2){--accent:var(--violet)}
.suite-label{color:var(--accent);margin-bottom:11px}
h3{font-size:clamp(1.15rem,2vw,1.55rem);letter-spacing:-.035em;line-height:1.28;margin-bottom:17px}
.suite ul{list-style:none;margin:0 0 18px;padding:0;width:100%}
.suite li{padding:10px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.95rem}
.suite li strong{color:var(--ink);margin-right:.25em}
.boundary{margin:auto 0 0;border-left:2px solid var(--accent);padding:.42rem .75rem;background:#080d1c70;color:var(--muted);font-size:.85rem}
.safety-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin-top:19px}
.safety-grid p{margin:0;background:#0d1428;border:1px solid var(--line);border-radius:12px;padding:18px}
.safety-grid strong,.safety-grid span{display:block}
.safety-grid span{margin-top:4px;color:var(--muted);font-size:.88rem}
.safety-grid strong:before{content:"◇";color:var(--cyan);margin-right:7px}
footer{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:var(--muted);border-top:1px solid var(--line);padding:22px 0 30px;font-size:.88rem}
footer strong{color:var(--ink)}
@media(max-width:960px){.hero{min-height:440px}.hero-copy{padding-left:32px}.diagram{padding-right:12px}.safety-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.header,main,footer{width:calc(100% - 32px)}.header{min-height:66px}.brand{font-size:19px;gap:5px}.brand svg{width:24px;height:24px}nav{font-size:.75rem;gap:10px}.login{padding:.4rem .48rem}.hero{grid-template-columns:1fr;min-height:0;border-radius:16px}.hero-copy{padding:30px 20px 0}.diagram{max-width:380px;width:100%;justify-self:center;padding:0 24px 17px}.hero:before{mask-image:linear-gradient(transparent,#000)}.suite-grid{grid-template-columns:1fr}}
@media(max-width:360px){.safety-grid{grid-template-columns:1fr}.header{gap:7px}nav{gap:8px}.login span{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

html { background: var(--base); }
.hero-actions { margin-top: 25px; }
.op-keys, .op-shortcuts button {
  padding: .5rem .75rem;
  background: #101a31;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}
.op-keys { position: fixed; right: 12px; bottom: 12px; z-index: 3; }
.op-keys kbd, .op-shortcuts kbd { color: var(--cyan); font-family: var(--mono); }
.op-keys kbd { margin-right: .4rem; }
.op-shortcuts {
  width: min(550px, calc(100% - 32px));
  background: #0d1428;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}
.op-shortcuts::backdrop { background: #070916c9; }
.op-shortcuts header, .op-shortcuts li { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.op-shortcuts ul { list-style: none; padding: 0; margin-bottom: 0; }
.op-shortcuts li { padding: .5rem 0; border-top: 1px solid var(--line); }
@media (max-width: 680px) {
  .op-keys { position: static; margin: 0 16px 18px; }
}