:root{--bg:#f6f6f4;--ink:#1c1d20;--muted:#6b6d72;--line:#e3e3df;--card:#fff;--blue:#2f6fe4;--purple:#8b3fe0;--green:#1aa56b;}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1220px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Outfit',sans-serif;font-weight:300;letter-spacing:-.5px}
.eyebrow{font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.2px}

/* NAV */
header{border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:8px;font-family:'Outfit';font-weight:500;font-size:16px}
.logo span.mark{width:30px;height:30px;background:var(--ink);color:#fff;border-radius:5px;display:grid;place-items:center;font-family:Georgia,serif;font-size:17px}
.links{display:flex;gap:38px;font-size:13px;font-weight:500}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;border-radius:999px;padding:11px 23px;font-size:14px;font-family:'Outfit';font-weight:400}
.btn svg{width:12px;height:12px}

/* HERO */
.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:780px;border-bottom:1px solid var(--line)}
.hero .eyebrow{display:flex;align-items:center;gap:16px;margin-bottom:34px}
.hero .eyebrow::after{content:"";width:60px;height:1px;background:var(--line)}
.hero h1{font-size:62px;line-height:1.16;margin-bottom:40px}
.hero p{font-family:'Outfit';color:var(--muted);font-size:15.5px;line-height:1.65;max-width:560px;margin-bottom:30px;letter-spacing:.2px}
.visual-wrap{position:relative;width:100%;max-width:490px;height:calc(420px * var(--s,1))}
.visual{position:relative;width:490px;height:420px;transform:scale(var(--s,1));transform-origin:left top}
.ring{position:absolute;left:70px;top:0;width:420px;height:420px;border:1px solid #d8d8d4;border-radius:50%}
.orb{position:absolute;left:90px;top:20px;width:380px;height:380px;border-radius:50%;background:#111 center/cover;overflow:hidden}
.vtext{position:absolute;right:0;top:130px;writing-mode:vertical-rl;font-size:9px;color:#aaa;letter-spacing:1px}
.fc{position:absolute;background:#fff;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.08);padding:16px 15px;font-size:11px}
.fc h4{font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.1px}
.speech{left:0;top:0;width:266px}
.speech .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.speech .top small{color:#888;font-size:9.5px}
.wave{display:flex;align-items:center;gap:3px;height:28px;margin-bottom:12px}
.wave i{display:block;width:8px;background:var(--blue);border-radius:1px}
.wave i.g{background:#e3e3e3}
.chips{display:flex;gap:5px}
.chip{background:#edf3fe;color:var(--blue);border-radius:4px;padding:5px 7px;font-size:11px;font-weight:500;line-height:1.1}
.chip small{display:block;font-size:7.5px;font-weight:400;opacity:.8}
.llm{left:172px;top:220px;width:275px}
.llm .top{display:flex;justify-content:space-between;margin-bottom:12px}
.ok{color:var(--green);background:#e8f7f0;padding:2px 5px;border-radius:3px;font-size:10px}
.llm .q{color:#666;margin-bottom:5px}.llm .a{font-weight:600;padding-bottom:10px;border-bottom:1px solid #eee;margin-bottom:12px}
.row{display:flex;justify-content:space-between;align-items:center;color:#777;font-size:10px;margin-top:6px}
.tag{padding:2px 6px;border-radius:3px;font-weight:500}
.t1{background:#edf3fe;color:var(--blue)}.t2{background:#f4ecfd;color:var(--purple)}.t3{background:#efefef;color:#555}

/* SERVICES */
.services{display:grid;grid-template-columns:.95fr 1fr 1fr;gap:24px;padding:158px 0 92px;border-bottom:1px solid var(--line)}
.services h2{font-size:38px;line-height:1.33;margin:22px 0 28px}
.services .lead{font-family:'Outfit';color:var(--muted);font-size:15px;line-height:1.55;max-width:360px}
.card{background:var(--card);border:1px solid #ebebe7;border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.card .body{padding:29px 29px 22px;flex:1}
.ic{width:38px;height:38px;border-radius:7px;display:grid;place-items:center;margin-bottom:24px}
.ic svg{width:19px;height:19px}
.card h3{font-size:25px;font-weight:400;margin-bottom:24px}
.card p{font-family:'Outfit';color:var(--muted);font-size:14px;line-height:1.5;margin-bottom:18px}
.card ul{list-style:none}
.card li{font-family:'Outfit';color:#555;font-size:13px;display:flex;gap:9px;align-items:center;margin-bottom:10px}
.card li svg{width:13px;height:13px;color:var(--green)}
.img{height:104px}
.img.speech-img{background:#111 center/cover}
.img.llm-img{background:#ccc center/cover}

/* TRUST */
.trust{padding:124px 0 150px;border-bottom:1px solid var(--line)}
.trust .eyebrow{text-align:center;color:#555;margin-bottom:48px}
.feats{display:grid;grid-template-columns:repeat(4,1fr)}
.feat{display:flex;gap:16px;align-items:center;padding:0 0 0 0;border-right:1px solid var(--line);padding-right:20px}
.feat+.feat{padding-left:44px}.feat:last-child{border:0}
.feat .i{flex:none;width:34px;height:34px;border-radius:50%;background:#ececea;display:grid;place-items:center}
.feat .i svg{width:15px;height:15px}
.feat b{font-family:'Outfit';font-weight:400;font-size:15px;display:block;margin-bottom:4px}
.feat span{font-size:11.5px;color:var(--muted);line-height:1.5}
footer{padding:30px 0 44px;font-size:11.5px;color:#666}

@media(max-width:960px){
  .links{display:none}
  .hero{grid-template-columns:1fr;padding:80px 0;gap:60px}
  .hero h1{font-size:44px}
  .services{grid-template-columns:1fr;padding:80px 0}
  .feats{grid-template-columns:1fr 1fr;gap:30px}
  .feat,.feat+.feat{border:0;padding:0}
}

/* ---------- Motion ---------- */
html{scroll-behavior:smooth}
header{position:sticky;top:0;z-index:50;background:rgba(246,246,244,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:box-shadow .3s}
header.scrolled{box-shadow:0 4px 20px rgba(0,0,0,.05)}
section[id],footer[id]{scroll-margin-top:76px}

.links a{position:relative}
.links a::after{content:"";position:absolute;left:0;bottom:-4px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .3s ease}
.links a:hover::after{transform:scaleX(1);transform-origin:left}
.btn{transition:transform .25s ease,box-shadow .25s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.btn svg{transition:transform .25s ease}
.btn:hover svg{transform:translateX(3px)}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}

/* lazy bg fade-in */
[data-bg]{transition:opacity .6s ease}
[data-bg]:not(.loaded){opacity:.35}
img[loading="lazy"]{transition:opacity .4s}

/* hero visual */
.ring{animation:spin 40s linear infinite;border-style:dashed;border-color:#d0d0cc}
.vtext{animation:none}
.orb{animation:breathe 8s ease-in-out infinite}
.speech{animation:float 6s ease-in-out infinite}
.llm{animation:float 7s ease-in-out -3s infinite}
.ok{animation:pop 2.4s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes breathe{50%{transform:scale(1.02)}}
@keyframes float{50%{transform:translateY(-10px)}}
@keyframes pop{0%,100%{box-shadow:0 0 0 0 rgba(26,165,107,0)}50%{box-shadow:0 0 0 4px rgba(26,165,107,.15)}}

/* cards */
.card{transition:opacity .8s ease,transform .5s ease,box-shadow .35s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(0,0,0,.08)}
.card .img{transition:transform .6s ease}
.card{overflow:hidden}
.card:hover .img{transform:scale(1.05)}
.feat .i{transition:transform .3s ease,background .3s}
.feat:hover .i{transform:rotate(-8deg) scale(1.1);background:#e2e2df}

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

/* ---------- Phone ---------- */
html,body{overflow-x:hidden}
@media(max-width:960px){
  .hero{min-height:0;padding:56px 0 64px;gap:44px}
  .hero>*{min-width:0}
  .hero p{max-width:100%}
  .visual-wrap{margin:0 auto}
}
@media(max-width:600px){
  .wrap{padding:0 16px}
  nav{height:64px}
  header .btn{padding:9px 16px;font-size:13px}
  section[id],footer[id]{scroll-margin-top:64px}
  .hero{padding:40px 0 56px}
  .hero .eyebrow{margin-bottom:22px}
  .hero h1{font-size:clamp(34px,10vw,44px);margin-bottom:24px}
  .hero p{font-size:15px}
  .services{padding:64px 0;gap:20px}
  .services h2{font-size:30px;margin:16px 0 18px}
  .card .body{padding:24px 22px 20px}
  .card h3{font-size:22px;margin-bottom:16px}
  .trust{padding:64px 0 72px}
  .trust .eyebrow{margin-bottom:32px}
  .feats{grid-template-columns:1fr;gap:24px}
  footer{text-align:center}
}