/* Animated hero scene, reveal effects, stats strip, AI chat widget */
.hero-grid { display:grid; gap:36px; align-items:center; grid-template-columns:1fr; position:relative; z-index:1; }
@media(min-width:900px) { .hero-grid { grid-template-columns:1.05fr 1fr; } }
.scene svg { width:100%; height:auto; display:block; filter:drop-shadow(0 20px 40px rgba(0,0,0,.35)); }
.scene { position:relative; z-index:1; }

/* shared scene motion (12s loop) */
.vehicle { animation:drive 12s cubic-bezier(.22,.8,.3,1) infinite; }
@keyframes drive { 0%{transform:translateX(-420px);opacity:1} 30%{transform:translateX(0)} 86%{transform:translateX(0);opacity:1} 100%{transform:translateX(0);opacity:0} }
.road { animation:road 1s linear infinite; }
@keyframes road { to { stroke-dashoffset:-48; } }
.wheel { transform-box:fill-box; transform-origin:center; animation:spin 12s cubic-bezier(.22,.8,.3,1) infinite; }
@keyframes spin { 0%{transform:rotate(0)} 30%{transform:rotate(1080deg)} 100%{transform:rotate(1080deg)} }
.pop { transform-box:fill-box; transform-origin:center; opacity:0; animation:pop 12s ease-out infinite; }
@keyframes pop { 0%,32%{opacity:0;transform:scale(.3) rotate(-14deg)} 38%{opacity:1;transform:scale(1.12) rotate(-8deg)} 42%,86%{opacity:1;transform:scale(1) rotate(-8deg)} 100%{opacity:0} }
.bubble { opacity:0; animation:bubble 12s ease-out infinite; }
@keyframes bubble { 0%,32%{opacity:0;transform:translateY(8px)} 38%,86%{opacity:1;transform:translateY(0)} 100%{opacity:0} }
.win { animation:glow 3s ease-in-out infinite; } .win.w2 { animation-delay:1.2s; }
@keyframes glow { 0%,100%{opacity:.55} 50%{opacity:1} }
.smoke { animation:smoke 4s ease-out infinite; transform-box:fill-box; transform-origin:center; opacity:0; }
.smoke.s2 { animation-delay:1.3s; } .smoke.s3 { animation-delay:2.6s; }
@keyframes smoke { 0%{opacity:.6;transform:translate(0,0) scale(.6)} 100%{opacity:0;transform:translate(14px,-50px) scale(1.7)} }
.gear { transform-box:fill-box; transform-origin:center; animation:gear 9s linear infinite; }
@keyframes gear { to { transform:rotate(360deg); } }
.drip { animation:drip 2.2s ease-in infinite; transform-box:fill-box; }
@keyframes drip { 0%{opacity:0;transform:translateY(-6px)} 20%{opacity:1} 100%{opacity:0;transform:translateY(34px)} }
.cloud { animation:cloud 40s linear infinite; }
@keyframes cloud { from{transform:translateX(-30px)} to{transform:translateX(40px)} }

/* stats strip */
.stats { background:var(--soft); border-bottom:1px solid var(--line); }
.stats .wrap { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:6px 18px; padding-top:18px; padding-bottom:18px; font-weight:700; font-size:15px; }
.stats span { display:flex; align-items:center; gap:8px; }
.stats span::before { content:"✔"; color:var(--brand); }

/* reveal on scroll */
.rv { opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity:1; transform:none; }
.card { transition:transform .25s ease, box-shadow .25s ease; }
.card:hover { transform:translateY(-4px); box-shadow:0 14px 30px rgba(15,23,42,.1); }
.btn { transition:transform .15s ease, filter .15s ease; } .btn:hover { transform:translateY(-1px); filter:brightness(1.05); }

/* AI chat */
#chat-fab { position:fixed; right:18px; bottom:18px; z-index:50; width:62px; height:62px; border-radius:50%; border:0; background:var(--brand); color:var(--brand-ink); font-size:28px; cursor:pointer; box-shadow:0 10px 30px rgba(0,0,0,.28); animation:fab 2.6s ease-in-out infinite; }
@keyframes fab { 0%,100%{transform:scale(1)} 50%{transform:scale(1.07)} }
#chat-fab .dot { position:absolute; top:6px; right:6px; width:14px; height:14px; border-radius:50%; background:#22c55e; border:2px solid #fff; }
#chat-tip { position:fixed; right:92px; bottom:30px; z-index:49; background:#fff; color:var(--ink); border-radius:14px; padding:10px 14px; box-shadow:0 8px 24px rgba(0,0,0,.18); font-size:14px; font-weight:600; max-width:220px; transition:opacity .3s; }
#chat { position:fixed; right:18px; bottom:92px; z-index:60; width:min(380px, calc(100vw - 24px)); height:min(560px, calc(100vh - 120px)); background:#fff; border-radius:20px; box-shadow:0 24px 70px rgba(0,0,0,.35); display:none; flex-direction:column; overflow:hidden; border:1px solid var(--line); }
#chat.open { display:flex; animation:chatin .25s ease-out; }
@keyframes chatin { from{transform:translateY(14px) scale(.98)} to{transform:none} }
#chat header { position:static; background:var(--hero1); color:#fff; padding:14px 16px; display:flex; align-items:center; gap:12px; border:0; backdrop-filter:none; }
#chat header .av { width:38px; height:38px; border-radius:50%; background:var(--brand); color:var(--brand-ink); display:grid; place-items:center; font-size:20px; }
#chat header b { display:block; font-size:16px; } #chat header small { opacity:.8; font-size:12.5px; }
#chat header button { margin-left:auto; background:none; border:0; color:#fff; font-size:22px; cursor:pointer; }
#chat-log { flex:1; overflow-y:auto; padding:16px; background:#f5f7fa; display:flex; flex-direction:column; gap:10px; }
.msg { max-width:86%; padding:10px 14px; border-radius:16px; font-size:15px; line-height:1.45; word-wrap:break-word; animation:msgin .25s ease-out; }
@keyframes msgin { from{transform:translateY(6px)} to{transform:none} }
.msg.bot { background:#fff; border:1px solid var(--line); border-bottom-left-radius:4px; align-self:flex-start; }
.msg.me { background:var(--brand); color:var(--brand-ink); border-bottom-right-radius:4px; align-self:flex-end; }
.msg.ok { align-self:center; background:#dcfce7; color:#14532d; font-size:13.5px; font-weight:600; border-radius:999px; }
.typing { display:inline-flex; gap:4px; } .typing i { width:7px; height:7px; border-radius:50%; background:#9aa4b2; animation:tp 1s infinite; } .typing i:nth-child(2){animation-delay:.15s} .typing i:nth-child(3){animation-delay:.3s}
@keyframes tp { 0%,60%,100%{transform:translateY(0);opacity:.5} 30%{transform:translateY(-4px);opacity:1} }
#chat-chips { display:flex; gap:8px; flex-wrap:wrap; padding:0 16px 10px; background:#f5f7fa; }
#chat-chips button { border:1px solid var(--line); background:#fff; border-radius:999px; padding:7px 13px; font-size:13.5px; cursor:pointer; color:var(--ink); }
#chat form { display:flex; gap:8px; padding:12px; border-top:1px solid var(--line); background:#fff; }
#chat input { flex:1; padding:12px 14px; border-radius:999px; }
#chat form button { border:0; background:var(--brand); color:var(--brand-ink); border-radius:50%; width:44px; height:44px; font-size:18px; cursor:pointer; }
#chat .demo { font-size:11.5px; text-align:center; color:#8a94a3; padding:0 0 8px; background:#fff; }
@media(max-width:819px) {
  #chat-fab { bottom:84px; } #chat-tip { bottom:98px; }
  #chat { right:12px; left:12px; width:auto; bottom:156px; height:min(70vh, 520px); }
}
@media (prefers-reduced-motion: reduce) {
  .vehicle,.wheel,.pop,.bubble,.win,.smoke,.gear,.drip,.cloud,.road,#chat-fab { animation:none !important; }
  .pop,.bubble { opacity:1; } .rv { opacity:1; transform:none; }
}

/* proactive chat message (peek) + unread badge */
#chat-tip{display:none!important}
#chat-fab{animation:none}
#chat-fab .badge{position:absolute;top:-3px;right:-3px;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:#ef4444;color:#fff;font:700 12px/22px Inter,system-ui,sans-serif;border:2px solid #fff;transform:scale(0);transition:transform .35s cubic-bezier(.2,1.6,.4,1)}
#chat-fab.ping .badge{transform:scale(1)}
#chat-fab.read .badge{transform:scale(0)}
#chat-fab.ping:not(.read){animation:fabping 2.2s ease-out infinite}
@keyframes fabping{0%{box-shadow:0 0 0 0 rgba(239,68,68,.45),0 10px 30px rgba(0,0,0,.28)}70%{box-shadow:0 0 0 16px rgba(239,68,68,0),0 10px 30px rgba(0,0,0,.28)}100%{box-shadow:0 0 0 0 rgba(239,68,68,0),0 10px 30px rgba(0,0,0,.28)}}
#chat-peek{position:fixed;right:18px;bottom:92px;z-index:58;width:min(330px,calc(100vw - 32px));background:#fff;color:#111;border-radius:20px 20px 6px 20px;box-shadow:0 24px 60px -12px rgba(0,0,0,.4),0 0 0 1px rgba(0,0,0,.05);padding:16px 16px 14px;cursor:pointer;opacity:0;transform:translateY(18px) scale(.96);transform-origin:bottom right;pointer-events:none;transition:opacity .45s,transform .55s cubic-bezier(.2,1.2,.3,1)}
#chat-peek.show{opacity:1;transform:none;pointer-events:auto}
#chat-peek .pk-x{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;border:0;background:#f1f1f1;color:#555;font-size:16px;cursor:pointer;line-height:1}
.pk-head{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.pk-head b{display:block;font:700 14px/1.2 Inter,system-ui,sans-serif;padding-right:26px}
.pk-head small{color:#8a8f98;font-size:12px}
.pk-av{position:relative;width:38px;height:38px;border-radius:50%;background:var(--brand,#f97316);display:grid;place-items:center;font-size:19px;flex:none}
.pk-av i{position:absolute;right:-1px;bottom:-1px;width:11px;height:11px;border-radius:50%;background:#22c55e;border:2px solid #fff}
.pk-msg{font:500 15px/1.45 Inter,system-ui,sans-serif;background:#f3f4f6;border-radius:4px 16px 16px 16px;padding:11px 13px;min-height:42px}
.pk-quick{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;opacity:0;transform:translateY(6px);transition:opacity .4s .15s,transform .4s .15s}
#chat-peek.typed .pk-quick{opacity:1;transform:none}
.pk-quick button{border:1.5px solid var(--brand,#f97316);background:#fff;color:#111;border-radius:999px;padding:8px 12px;font:600 13px/1.1 Inter,system-ui,sans-serif;cursor:pointer}
.pk-quick button:hover{background:var(--brand,#f97316)}
#chat header small .on{display:inline-block;width:8px;height:8px;border-radius:50%;background:#22c55e;margin-right:6px;vertical-align:1px}
@media(max-width:999px){#chat-peek{right:14px;bottom:160px}}