/* Intent Chat — shared core design system.
   Linked by the pricing / product / use-case pages so they match the homepage
   without duplicating its full inline stylesheet. Tokens mirror index.html. */
:root{
  --bg:#ffffff; --grey:#f6f7f9; --panel:#ffffff;
  --ink:#0e1116; --ink-2:#1c2128; --body:#474e59; --muted:#6b727d; --faint:#9aa1ad;
  --line:#e8e9ed; --line-2:#dcdee4; --line-3:#c9ccd4;
  --hot:#fb5525; --hot-2:#ff7a45; --hot-ink:#cf3d10; --hot-bg:rgba(251,85,37,.08); --hot-line:rgba(251,85,37,.30); --hot-glow:rgba(251,85,37,.25);
  --good:#12885a; --good-bg:rgba(18,136,90,.09); --good-line:rgba(18,136,90,.28);
  --cool:#2f66f0; --cool-bg:rgba(47,102,240,.08); --cool-line:rgba(47,102,240,.26);
  --dark:#0d1015; --dark-2:#161b22; --dline:rgba(255,255,255,.11); --dline-2:rgba(255,255,255,.16); --dtext:#e9ebef; --dmuted:#9aa2ae;
  --sans:"Hanken Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --sh-sm:0 1px 2px rgba(14,17,22,.05);
  --sh:0 1px 3px rgba(14,17,22,.05),0 14px 30px -16px rgba(14,17,22,.20);
  --sh-lg:0 2px 6px rgba(14,17,22,.05),0 44px 76px -34px rgba(14,17,22,.32);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
a{color:inherit;text-decoration:none}
::selection{background:rgba(251,85,37,.16)}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.15rem,4vw,2rem)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.hot-text{color:var(--hot)}
.good-text{color:var(--good)}

/* type */
h1,h2,h3,h4{margin:0;letter-spacing:-.025em;line-height:1.05;text-wrap:balance}
h1{font-size:clamp(2.35rem, 1.3rem + 3.5vw, 3.7rem);font-weight:800;letter-spacing:-.035em;line-height:1.02}
h2{font-size:clamp(1.9rem, 1.25rem + 2vw, 2.7rem);font-weight:800;line-height:1.08;letter-spacing:-.03em}
h3{font-size:clamp(1.15rem,1rem+.6vw,1.38rem);font-weight:700;letter-spacing:-.02em}
p{margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--hot-ink)}
.eyebrow::before{content:"";width:16px;height:1px;background:var(--hot);display:inline-block}
.lede{font-size:clamp(1.08rem,1rem+.5vw,1.24rem);color:var(--body);line-height:1.55}
.sec-head{max-width:720px}
.sec-head.center{margin-inline:auto;text-align:center}
.sec-head h2{margin:.85rem 0 0}
.sec-head p{margin:1rem 0 0;color:var(--body);font-size:1.08rem;line-height:1.55;max-width:62ch}
.sec-head.center p{margin-inline:auto}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.72rem 1.15rem;border-radius:10px;border:1px solid var(--line-2);background:#fff;color:var(--ink);font-family:var(--sans);font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .22s,background .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-sm)}
.btn:focus-visible{outline:2px solid var(--hot);outline-offset:2px}
.btn-primary{background:var(--hot);border-color:var(--hot);color:#fff;box-shadow:0 1px 2px rgba(251,85,37,.28),0 10px 22px -10px var(--hot-glow)}
.btn-primary:hover{background:#ec4a1e;box-shadow:0 2px 4px rgba(251,85,37,.3),0 16px 30px -12px var(--hot-glow)}
.btn-ghost{background:transparent;border-color:transparent;color:var(--body)}
.btn-ghost:hover{background:var(--grey);box-shadow:none}
.btn-lg{padding:.85rem 1.4rem;font-size:1rem}

/* nav */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.8);backdrop-filter:saturate(1.5) blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:1.4rem;height:66px}
.brand{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.08rem;letter-spacing:-.02em}
.brand .mark{display:block;flex:none;object-fit:contain}
.brand .wm span{color:var(--hot)}
.nav-links{display:flex;align-items:center;gap:1.6rem;margin-inline:auto}
.nav-links a{font-size:.93rem;font-weight:500;color:var(--body);transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink)}
.nav-mega{position:relative;display:inline-flex;align-items:center}
.nav-mega-trigger{display:inline-flex;align-items:center;gap:.3rem;font-size:.93rem;font-weight:500;color:var(--body);transition:color .2s}
.nav-mega:hover .nav-mega-trigger{color:var(--ink)}
.nav-mega-trigger svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.nav-mega:hover .nav-mega-trigger svg{transform:rotate(180deg)}
.mega-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);width:min(430px,92vw);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-lg);padding:.55rem;display:grid;grid-template-columns:1fr;gap:.2rem;opacity:0;visibility:hidden;transition:opacity .22s ease,transform .22s ease,visibility .22s;z-index:70}
.mega-panel::before{content:"";position:absolute;top:-12px;left:0;right:0;height:12px}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateX(-50%) translateY(6px)}
.mega-item{display:flex;gap:.7rem;align-items:flex-start;padding:.75rem .8rem;border-radius:11px;transition:background .18s}
.mega-item:hover{background:var(--grey)}
.mega-ic{width:38px;height:38px;border-radius:10px;background:var(--hot-bg);border:1px solid var(--hot-line);display:grid;place-items:center;flex:none}
.mega-ic svg{width:19px;height:19px;stroke:var(--hot-ink);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.mega-tx{min-width:0}
.mega-t{display:block;font-weight:700;font-size:.92rem;color:var(--ink);line-height:1.2}
.mega-d{display:block;font-size:.8rem;color:var(--muted);line-height:1.4;margin-top:.25rem}
.nav-cta{display:flex;align-items:center;gap:.9rem}
.nav-signin{font-size:.93rem;font-weight:500;color:var(--body)}
.nav-signin:hover{color:var(--ink)}

/* sections */
section{padding:clamp(3.6rem,7vw,6rem) 0}
.grey{background:var(--grey)}
.bordered{border-block:1px solid var(--line)}
.page-head{padding:clamp(3rem,6vw,4.8rem) 0 clamp(2rem,4vw,3rem)}

/* primitives */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:15px;box-shadow:var(--sh);overflow:hidden}
.badge-hot{display:inline-flex;align-items:center;gap:.34rem;font-family:var(--mono);font-size:.68rem;font-weight:600;letter-spacing:.02em;color:var(--hot-ink);background:var(--hot-bg);border:1px solid var(--hot-line);border-radius:100px;padding:.24rem .55rem;white-space:nowrap}
.badge-good{display:inline-flex;align-items:center;gap:.34rem;font-family:var(--mono);font-size:.68rem;font-weight:600;color:var(--good);background:var(--good-bg);border:1px solid var(--good-line);border-radius:100px;padding:.24rem .55rem;white-space:nowrap}
.badge-n{display:inline-flex;align-items:center;gap:.34rem;font-family:var(--mono);font-size:.68rem;font-weight:500;color:var(--muted);background:var(--grey);border:1px solid var(--line);border-radius:100px;padding:.24rem .55rem}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--good);position:relative;flex:none}
.live-dot::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1.5px solid var(--good);opacity:.5;animation:ping 1.8s ease-out infinite}
@keyframes ping{0%{transform:scale(.6);opacity:.6}100%{transform:scale(1.5);opacity:0}}

/* footer */
footer{border-top:1px solid var(--line);padding:3.2rem 0 2.4rem;background:#fff}
.fcols{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:2rem}
.fbrand p{color:var(--muted);font-size:.9rem;margin:.9rem 0 0;max-width:32ch;line-height:1.5}
.fcol h5{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 .9rem;font-weight:500}
.fcol a{display:block;color:var(--muted);font-size:.9rem;padding:.28rem 0;transition:color .2s}
.fcol a:hover{color:var(--ink)}
.fbot{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:1.7rem;margin-top:2.6rem;color:var(--faint);font-size:.85rem}

/* responsive */
@media (max-width:820px){
  .nav-links{display:none}
  .nav-signin{display:none}
  .nav-cta{margin-left:auto}
  .fcols{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){ body{font-size:16px} .fcols{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){ *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important} }