:root{
  --bg:#090c12;--bg2:#0f141d;--panel:#111823;--panel2:#151e2a;--line:#202d3e;--text:#eff7ff;--muted:#98a7ba;
  --cyan:#67e8ff;--blue:#7290ff;--violet:#aa7dff;--green:#45dfa8;--amber:#ffd16f;--shadow:0 25px 80px rgba(0,0,0,.28);
  --radius:24px;--header:74px;color-scheme:dark
}
html[data-theme="light"]{
  --bg:#f7f9fc;--bg2:#ffffff;--panel:#ffffff;--panel2:#f1f5fb;--line:#dfe6ef;--text:#0f1723;--muted:#66758a;
  --cyan:#0fa9c7;--blue:#4267e8;--violet:#7a51e8;--green:#0e9f6e;--amber:#a86900;--shadow:0 22px 70px rgba(29,48,78,.10);
  color-scheme:light
}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
body{margin:0;min-height:100vh;background:
 radial-gradient(circle at 50% -10%,color-mix(in srgb,var(--blue) 13%,transparent),transparent 34%),
 linear-gradient(180deg,var(--bg),var(--bg2) 42%,var(--bg));font-size:16px}
button,input{font:inherit}.shell{width:min(1180px,calc(100% - 36px));margin-inline:auto}.hidden{display:none!important}
a{color:inherit;text-decoration:none}
.site-header{height:var(--header);position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1180px)/2));background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line) 80%,transparent)}
.brand{display:flex;align-items:center;gap:11px}.brand img{width:39px;height:39px}.brand b{display:block;font-size:16px}.brand small{display:block;color:var(--muted);font-size:10px;margin-top:2px}
.nav{display:flex;align-items:center;gap:7px}.nav>a{font-size:12px;color:var(--muted);padding:8px 9px}.nav>a:hover{color:var(--text)}
.theme-toggle{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer}
.btn{border:1px solid var(--line);background:var(--panel);color:var(--text);padding:10px 14px;border-radius:12px;cursor:pointer;font-weight:700;font-size:13px;transition:.18s transform,.18s border-color,.18s background}
.btn:hover{transform:translateY(-1px);border-color:color-mix(in srgb,var(--blue) 48%,var(--line))}
.btn.primary{background:linear-gradient(135deg,var(--cyan),var(--blue));border-color:transparent;color:white;box-shadow:0 10px 32px color-mix(in srgb,var(--blue) 23%,transparent)}
.btn.secondary{background:var(--panel2)}.btn.ghost{background:transparent}.btn.large{padding:14px 18px;border-radius:14px;font-size:14px}.btn.wide{width:100%}

.hero{min-height:620px;display:grid;grid-template-columns:minmax(0,1fr) 430px;align-items:center;gap:56px;padding:76px 0 58px}
.pill{display:inline-flex;padding:8px 11px;border:1px solid color-mix(in srgb,var(--cyan) 30%,var(--line));background:color-mix(in srgb,var(--cyan) 7%,var(--panel));border-radius:999px;font-size:11px;color:var(--cyan);font-weight:800}
.hero h1{font-size:clamp(43px,6vw,76px);line-height:.99;letter-spacing:-.052em;margin:20px 0 18px;max-width:810px}
.hero h1 span{background:linear-gradient(90deg,var(--cyan),var(--blue),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy>p{font-size:17px;line-height:1.7;color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:10px;margin-top:28px;flex-wrap:wrap}
.trust-line{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:11px}

.hero-visual{height:420px;position:relative;perspective:1000px;transform-style:preserve-3d}
.hero-visual::before{content:"";position:absolute;inset:58px;background:radial-gradient(circle,color-mix(in srgb,var(--cyan) 16%,transparent),transparent 64%);filter:blur(10px)}
.orbit{position:absolute;left:50%;top:50%;border-radius:50%;border:1px solid color-mix(in srgb,var(--cyan) 30%,transparent);transform-style:preserve-3d}
.o1{width:360px;height:180px;transform:translate(-50%,-50%) rotateX(68deg) rotateZ(-10deg)}
.o2{width:270px;height:270px;transform:translate(-50%,-50%) rotateY(70deg) rotateZ(15deg);border-color:color-mix(in srgb,var(--blue) 30%,transparent)}
.o3{width:220px;height:220px;transform:translate(-50%,-50%) rotateX(70deg) rotateY(15deg);border-color:color-mix(in srgb,var(--violet) 30%,transparent)}
.core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:148px;height:148px;border-radius:36px;background:linear-gradient(145deg,var(--panel2),var(--panel));border:1px solid color-mix(in srgb,var(--cyan) 40%,var(--line));display:grid;place-items:center;box-shadow:var(--shadow)}
.core img{width:48px}.core b{font-size:14px;letter-spacing:.14em;margin-top:-20px}.core small{color:var(--muted);font-size:9px;margin-top:-28px}
.hero-visual .core{width:250px;height:250px;border:0;background:transparent;box-shadow:none}.hero-visual .core img{width:100%;height:100%;object-fit:contain}.hero-visual .core b,.hero-visual .core small{display:none}
.bubble{position:absolute;padding:11px 13px;border:1px solid var(--line);background:var(--panel);border-radius:15px;box-shadow:var(--shadow);font-size:10px;font-weight:900;letter-spacing:.07em}
.bubble span{display:block;font-size:9px;color:var(--muted);font-weight:500;letter-spacing:0;margin-top:3px}.bubble.ai{left:18px;top:65px}.bubble.pc{right:4px;top:125px}.bubble.code{left:55px;bottom:46px}
.signal{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan);animation:pulse 2.1s infinite}.s1{left:122px;top:122px}.s2{right:112px;top:175px;animation-delay:.7s}.s3{left:145px;bottom:96px;animation-delay:1.3s}
@keyframes pulse{0%,100%{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1.25)}}

.social-proof{padding:25px 0 72px;text-align:center}.social-proof p{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.13em}
.logo-strip{display:flex;justify-content:center;gap:34px;flex-wrap:wrap;margin-top:19px;color:color-mix(in srgb,var(--text) 76%,var(--muted));font-size:15px;font-weight:800}

.section-copy{max-width:720px}.section-copy.centered{text-align:center;margin-inline:auto}.eyebrow{font-size:10px;font-weight:900;color:var(--cyan);letter-spacing:.19em}.section-copy h2,.security-copy h2,.final-cta h2{font-size:clamp(30px,4vw,48px);line-height:1.04;letter-spacing:-.04em;margin:10px 0 12px}.section-copy p,.security-copy p,.final-cta p{color:var(--muted);line-height:1.7;font-size:14px}

.demo-section,.feature-section,.how,.security,.pricing,.faq{padding:82px 0}.demo-card{margin-top:28px;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.demo-chat{display:grid;grid-template-columns:42px 1fr auto;gap:12px;align-items:center}.avatar{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;border:1px solid var(--line);background:var(--panel2);font-size:9px;color:var(--cyan);font-weight:900}.demo-prompt{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:13px 15px;font-size:13px}
.flow{display:grid;grid-template-columns:repeat(7,auto);align-items:center;gap:0;margin:28px 0 17px}.flow-node{padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:var(--bg2);font-size:11px;font-weight:900;min-width:120px;text-align:center;transition:.22s}.flow-node small{display:block;color:var(--muted);font-weight:500;font-size:9px;margin-top:3px}.flow-node.active{border-color:var(--cyan);box-shadow:0 0 0 3px color-mix(in srgb,var(--cyan) 8%,transparent)}.flow-line{height:1px;width:38px;background:linear-gradient(90deg,var(--line),var(--cyan),var(--line))}
.demo-result{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--muted);padding:11px 13px;background:var(--panel2);border-radius:11px}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px}.feature-card{padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--panel);box-shadow:var(--shadow)}.feature-icon{width:42px;height:42px;border:1px solid var(--line);border-radius:13px;display:grid;place-items:center;color:var(--cyan);background:var(--panel2);font-size:18px}.feature-card h3{font-size:17px;margin:16px 0 8px}.feature-card p{font-size:12px;color:var(--muted);line-height:1.65;margin:0}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:30px}.steps article{padding:24px;border-top:1px solid var(--line);background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 66%,transparent),transparent)}.steps span{color:var(--cyan);font-size:10px;font-weight:900;letter-spacing:.12em}.steps h3{font-size:19px;margin:13px 0 8px}.steps p{font-size:12px;color:var(--muted);line-height:1.65}

.security{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}.security-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.security-tags span{font-size:10px;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:8px 10px;color:var(--muted)}
.security-console{border:1px solid var(--line);background:var(--panel);border-radius:22px;padding:18px;box-shadow:var(--shadow)}.security-console>div{display:grid;grid-template-columns:12px 1fr auto;gap:10px;padding:13px 4px;border-bottom:1px solid var(--line);font-size:12px}.security-console>div:last-child{border-bottom:0}.security-console span{color:var(--muted)}.security-console b{font-size:10px;color:var(--green)}.security-console i{width:8px;height:8px;border-radius:50%;background:var(--green);margin-top:3px}

.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:820px;margin:35px auto 0}.price-card{padding:25px;border:1px solid var(--line);border-radius:23px;background:var(--panel);box-shadow:var(--shadow);position:relative}.price-card.featured{border-color:color-mix(in srgb,var(--cyan) 45%,var(--line))}.plan-badge{display:inline-block;font-size:9px;font-weight:900;color:var(--cyan);letter-spacing:.14em}.plan-badge.neutral{color:var(--muted)}.price-card h3{font-size:22px;margin:12px 0 3px}.price{font-size:38px;font-weight:900}.price span{font-size:11px;color:var(--muted);font-weight:500}.price-card ul{list-style:none;padding:0;margin:22px 0}.price-card li{font-size:12px;color:var(--muted);padding:7px 0}.price-card li::before{content:"✓";color:var(--green);margin-right:8px}

.faq-list{margin-top:25px;border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line);padding:18px 2px}summary{cursor:pointer;font-weight:800;font-size:14px}details p{color:var(--muted);font-size:12px;line-height:1.65;max-width:800px}
.final-cta{margin-top:55px;margin-bottom:70px;padding:34px;border:1px solid color-mix(in srgb,var(--cyan) 25%,var(--line));border-radius:26px;background:linear-gradient(120deg,color-mix(in srgb,var(--cyan) 5%,var(--panel)),color-mix(in srgb,var(--violet) 5%,var(--panel)));display:flex;align-items:center;justify-content:space-between;gap:30px}
.footer{display:grid;grid-template-columns:1fr auto auto;gap:28px;align-items:center;padding:22px 0 35px;border-top:1px solid var(--line);color:var(--muted)}.footer>div:nth-child(2){display:flex;gap:18px;font-size:11px}.footer>small{font-size:10px}

.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.58);backdrop-filter:blur(8px);z-index:60;display:grid;place-items:center;padding:20px}.signup-modal{width:min(480px,100%);background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:0 30px 100px rgba(0,0,0,.4);position:relative}.signup-modal>.close{position:absolute;right:14px;top:14px;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--text);cursor:pointer}.signup-modal>img{width:48px;margin-bottom:18px}.signup-modal h2{font-size:28px;letter-spacing:-.03em;margin:8px 0}.signup-modal>p{font-size:12px;color:var(--muted);line-height:1.6}.social-buttons{display:grid;gap:8px;margin-top:18px}.social-buttons button{padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--panel2);color:var(--muted);text-align:left}.social-buttons small{float:right}.divider{text-align:center;color:var(--muted);font-size:10px;margin:17px 0;position:relative}.divider::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}.divider span{position:relative;background:var(--panel);padding:0 9px}
#earlyAccessForm{display:grid;gap:10px}#earlyAccessForm input{width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:12px;outline:none}#earlyAccessForm input:focus{border-color:var(--cyan)}.form-status{min-height:22px;font-size:11px;color:var(--muted);margin-top:9px}.privacy{display:block;color:var(--muted);font-size:9px;line-height:1.55;margin-top:8px}

@media(max-width:980px){.hero{grid-template-columns:1fr 330px}.feature-grid{grid-template-columns:1fr 1fr}.flow{grid-template-columns:1fr}.flow-line{width:1px;height:24px;margin:auto}.security{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.hero{min-height:auto}}
@media(max-width:760px){.site-header{padding:0 13px}.nav>a,.nav>.ghost{display:none}.hero{grid-template-columns:1fr;padding-top:40px}.hero-visual{height:300px;order:-1}.hero h1{font-size:42px}.feature-grid,.pricing-grid{grid-template-columns:1fr}.demo-chat{grid-template-columns:42px 1fr}.demo-chat .btn{grid-column:1/-1}.final-cta{flex-direction:column;align-items:flex-start}.footer{grid-template-columns:1fr}.footer>div:nth-child(2){flex-wrap:wrap}.logo-strip{gap:18px}.o1{width:280px}.o2{width:220px;height:220px}.core{width:126px;height:126px}.bubble.pc{right:0}.bubble.ai{left:0}}
@media(max-width:520px){.shell{width:min(100% - 22px,1180px)}.site-header .primary{display:none}.hero h1{font-size:36px}.hero-copy>p{font-size:14px}.feature-grid{grid-template-columns:1fr}.demo-section,.feature-section,.how,.security,.pricing,.faq{padding:58px 0}.final-cta{padding:24px}.hero-visual{height:260px}.bubble{font-size:8px;padding:8px 10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:4px;border:1px solid var(--line);background:var(--panel2);border-radius:13px;margin:17px 0 11px}
.auth-tabs button{border:0;border-radius:9px;padding:9px;background:transparent;color:var(--muted);font-weight:800;cursor:pointer}
.auth-tabs button.active{background:var(--panel);color:var(--text);box-shadow:0 4px 14px rgba(0,0,0,.08)}
.social-buttons button:not(:disabled){cursor:pointer;color:var(--text)}
.social-buttons button:disabled{opacity:.62;cursor:not-allowed}