:root{
  --bg:#080a0f; --panel:#0e131c; --panel2:#121826;
  --ink:#e8edf4; --muted:#93a0b3; --line:#1e2634;
  --orange:#D97757; --purple:#6E56CF; --green:#3fb950; --violet:#b79dff;
  --grad:linear-gradient(90deg,var(--orange),var(--purple));
  --radius:18px; --maxw:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,sans-serif;
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:"Space Grotesk","Inter",sans-serif;line-height:1.1;letter-spacing:-.02em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
code,pre{font-family:"JetBrains Mono",monospace}

/* ---------- animated background ---------- */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(1200px 600px at 70% -10%, #10192b 0%, transparent 60%),
  radial-gradient(900px 500px at 0% 20%, #180f22 0%, transparent 55%), var(--bg);}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;mix-blend-mode:screen;animation:drift 22s ease-in-out infinite}
.b1{width:520px;height:520px;background:var(--purple);top:-120px;left:-80px}
.b2{width:460px;height:460px;background:var(--orange);top:20%;right:-120px;animation-delay:-7s}
.b3{width:420px;height:420px;background:#2b6cb0;bottom:-140px;left:30%;animation-delay:-13s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(60px,-40px) scale(1.12)}66%{transform:translate(-40px,50px) scale(.94)}}
.grid-overlay{position:absolute;inset:0;background-image:
  linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:60px 60px;opacity:.12;mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 75%)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;padding:18px 24px;
  backdrop-filter:blur(10px);}
.brand{display:flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-weight:700;font-size:1.05rem}
.brand em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-mark{width:26px;height:26px;border-radius:8px;display:block;box-shadow:0 4px 16px rgba(110,86,207,.45)}
.nav-links{display:flex;align-items:center;gap:26px;font-size:.94rem;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{padding:8px 16px;border:1px solid var(--line);border-radius:999px;color:var(--ink)!important}
.nav-cta:hover{border-color:var(--purple);box-shadow:0 0 20px rgba(110,86,207,.35)}
@media(max-width:760px){.nav-links a:not(.nav-cta){display:none}}

/* ---------- hero ---------- */
.hero{max-width:var(--maxw);margin:0 auto;padding:70px 24px 40px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.eyebrow{display:inline-block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--violet);border:1px solid var(--line);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:700}
.lede{color:var(--muted);font-size:1.12rem;max-width:34ch;margin:22px 0 30px}
.lede strong{color:var(--ink);font-weight:600}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.cta-row.center{justify-content:center}
.btn{padding:13px 24px;border-radius:12px;font-weight:600;font-size:.98rem;transition:.2s;border:1px solid transparent;cursor:pointer}
.btn.primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px rgba(110,86,207,.4)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(110,86,207,.55)}
.btn.ghost{border-color:var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--purple);background:rgba(110,86,207,.1)}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.chip{font-size:.82rem;color:var(--muted);border:1px solid var(--line);padding:6px 13px;border-radius:999px;background:rgba(255,255,255,.02)}

/* hero visual */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;min-height:380px}
.hero-visual::before{content:"";position:absolute;width:440px;height:440px;border-radius:50%;z-index:0;
  background:radial-gradient(circle,rgba(110,86,207,.28),rgba(217,119,87,.12) 45%,transparent 68%);
  filter:blur(28px);animation:glowpulse 7s ease-in-out infinite}
@keyframes glowpulse{0%,100%{opacity:.7;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.doc-card{position:relative;z-index:1;width:270px;background:#f4f6f9;border-radius:16px;padding:26px 24px;
  box-shadow:0 40px 90px rgba(0,0,0,.6);border:1px solid #e2e7ee}
.doc-card::before{content:"";position:absolute;inset:-3px;border-radius:16px;background:linear-gradient(180deg,#e7ebf2,#d4dae4);
  transform:rotate(6deg);transform-origin:center;z-index:-1;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.float{animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-16px) rotate(-2deg)}}
.doc-head{margin-bottom:18px}
.doc-name{display:block;height:15px;width:60%;border-radius:5px;background:#b9c2cf;margin-bottom:8px}
.doc-sub{display:block;height:8px;width:40%;border-radius:5px;background:#d3dae3}
.doc-line{display:block;height:8px;border-radius:5px;background:#dde3ea;margin:9px 0}
.w60{width:60%}.w70{width:70%}.w75{width:75%}.w80{width:80%}.w85{width:85%}.w90{width:90%}.w95{width:95%}
.doc-tag{display:inline-block;font-size:.6rem;letter-spacing:.1em;font-weight:700;color:#fff;
  background:var(--orange);padding:3px 8px;border-radius:5px;margin:14px 0 6px;font-family:"Inter"}
.doc-tag.alt{background:var(--purple)}
.ring-badge{position:absolute;right:2%;bottom:6%;z-index:2;width:150px;height:150px;
  background:rgba(10,13,20,.85);border:1px solid var(--line);border-radius:24px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  backdrop-filter:blur(6px);box-shadow:0 20px 50px rgba(0,0,0,.5)}
.ring-badge svg{position:absolute;top:9px}
.ring-track{fill:none;stroke:#1c2431;stroke-width:8}
.ring-fill{fill:none;stroke:url(#ringgrad);stroke-width:8;stroke-linecap:round;
  stroke-dasharray:327;stroke-dashoffset:327;transform:rotate(-90deg);transform-origin:60px 60px;
  transition:stroke-dashoffset 1.6s cubic-bezier(.4,0,.2,1)}
.ring-num{font-family:"Space Grotesk";font-weight:700;font-size:2rem;margin-top:6px}
.ring-label{font-size:.7rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}

/* ---------- marquee ---------- */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:16px 0;margin-top:30px;overflow:hidden;background:rgba(255,255,255,.015)}
.strip-track{display:flex;gap:26px;white-space:nowrap;animation:scrollx 26s linear infinite;color:var(--muted);font-size:.92rem}
.strip-track i{color:var(--purple)}
@keyframes scrollx{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:90px 24px}
.section-head{text-align:center;max-width:640px;margin:0 auto 50px}
.kicker{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--violet)}
.section-head h2{font-size:clamp(1.9rem,4vw,2.9rem);margin:14px 0 12px}
.section-head p{color:var(--muted)}

/* feature cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 26px;transition:.3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px)}
.card:hover::before{opacity:.7}
.card-head{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.card-ic{flex:none;width:52px;height:52px;border-radius:14px;background:var(--grad);position:relative;
  display:flex;align-items:center;justify-content:center;color:#fff}
.card-ic svg{width:26px;height:26px}
.card-ic::after{content:"";position:absolute;inset:0;border-radius:14px;filter:blur(16px);background:var(--grad);opacity:.55;z-index:-1;transition:.3s}
.card:hover .card-ic::after{opacity:.85}
.card-head h3{margin:0;font-size:1.2rem;line-height:1.2}
.card h3{font-size:1.25rem;margin-bottom:10px}
.card p{color:var(--muted);font-size:.96rem}

/* ---------- demo window ---------- */
.demo-window{max-width:760px;margin:0 auto;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:#0b0f18;box-shadow:0 40px 100px rgba(0,0,0,.55)}
.win-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;background:#0e1420;border-bottom:1px solid var(--line)}
.dot{width:12px;height:12px;border-radius:50%}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.win-title{margin-left:12px;font-size:.82rem;color:var(--muted);font-family:"JetBrains Mono"}
.chat{padding:26px;min-height:420px;display:flex;flex-direction:column;gap:16px}
.msg{max-width:82%;padding:13px 17px;border-radius:14px;font-size:.95rem;opacity:0;transform:translateY(10px);
  animation:pop .4s forwards}
@keyframes pop{to{opacity:1;transform:none}}
.msg.user{align-self:flex-end;background:var(--grad);color:#fff;border-bottom-right-radius:4px}
.msg.bot{align-self:flex-start;background:#141b28;border:1px solid var(--line);border-bottom-left-radius:4px}
.msg.tool{align-self:flex-start;background:#0e1522;border:1px dashed #2a3547;color:var(--muted);
  font-family:"JetBrains Mono";font-size:.82rem;max-width:88%}
.msg.tool b{color:var(--violet)}
.msg .ok{color:var(--green)}
.msg .warn{color:var(--orange)}
.typing{align-self:flex-start;display:flex;gap:5px;padding:14px 18px;background:#141b28;border:1px solid var(--line);border-radius:14px}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.flow-rail{position:absolute;top:42px;left:9%;right:9%;height:2px;z-index:0;
  background:linear-gradient(90deg,transparent,var(--orange),var(--purple),transparent);
  opacity:.5;box-shadow:0 0 14px rgba(110,86,207,.5)}
.step{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:16px;padding:22px 20px;position:relative;z-index:1;transition:.3s;overflow:hidden}
.step::before{content:"";position:absolute;inset:0;border-radius:16px;padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:.3s}
.step:hover{transform:translateY(-6px)}
.step:hover::before{opacity:.75}
.step:hover .step-ic{color:var(--violet);transform:scale(1.08)}
.step-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.step-n{flex:none;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  font-family:"Space Grotesk";font-weight:700;font-size:1.05rem;background:var(--grad);color:#fff;
  box-shadow:0 6px 20px rgba(110,86,207,.45)}
.step-top h4{flex:1;margin:0;font-size:1.12rem}
.step-ic{flex:none;width:22px;height:22px;color:#4a5768;transition:.3s}
.step p{color:var(--muted);font-size:.87rem;line-height:1.55}
.step code{color:var(--violet);font-size:.79rem}

/* ---------- tools ---------- */
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tool{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;transition:.25s}
.tool:hover{border-color:var(--purple);transform:translateY(-4px)}
.tool code{color:var(--orange);font-size:.92rem;font-weight:500}
.tool p{color:var(--muted);font-size:.9rem;margin-top:8px}

/* ---------- install ---------- */
.install{max-width:760px;margin:0 auto}
.code-block{position:relative;background:#0b0f18;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.code-block pre{padding:24px 22px;overflow-x:auto;font-size:.9rem;line-height:1.75}
.c-com{color:#5c6b82}
.copy{position:absolute;top:12px;right:12px;background:#141b28;border:1px solid var(--line);color:var(--muted);
  padding:6px 14px;border-radius:8px;font-size:.8rem;cursor:pointer;transition:.2s;font-family:"Inter"}
.copy:hover{color:var(--ink);border-color:var(--purple)}
.copy.done{color:var(--green);border-color:var(--green)}
.install-note{color:var(--muted);font-size:.92rem;margin-top:18px;text-align:center}
.install-note a{color:var(--violet)}

/* ---------- final + footer ---------- */
.final{text-align:center;max-width:720px}
.final h2{font-size:clamp(2rem,4.5vw,3.1rem)}
.final p{color:var(--muted);margin:14px 0 28px}
.footer{max-width:var(--maxw);margin:0 auto;padding:34px 24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:.9rem;flex-wrap:wrap;gap:12px}
.foot-links{display:flex;gap:20px}
.footer a:hover{color:var(--ink)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;transition-delay:var(--d,0s)}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;text-align:center}
  .lede{margin-left:auto;margin-right:auto}
  .cta-row,.badges{justify-content:center}
  .cards,.tools-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr 1fr}
  .flow-rail{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}