:root{
  --bg:#f6f7fb;--card:#fff;--ink:#141a2b;--muted:#5d6579;--line:#e3e6ef;
  --brand:#2f5bff;--brand-ink:#fff;--brand-soft:#e9eeff;--accent:#14b88a;
  --radius:16px;--shadow:0 10px 30px rgba(20,26,43,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:clip}
body{margin:0;font-family:Manrope,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;overflow-x:hidden}
img{max-width:100%}
button{font:inherit;cursor:pointer}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
body.lock{position:fixed;left:0;right:0;overflow:hidden}

.demo-bar{background:#141a2b;color:#cfd6ea;font-size:13px;text-align:center;padding:7px 16px}

/* Header */
.header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);text-decoration:none}
.logo__mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;font-size:18px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px}
.nav a:hover{color:var(--brand)}
.nav__cta{border:0;background:var(--brand);color:#fff;font-weight:700;padding:10px 16px;border-radius:12px}
.burger{display:none;position:relative;width:44px;height:44px;border:0;background:transparent;border-radius:10px;z-index:70}
.burger span{position:absolute;left:11px;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .2s ease,top .25s ease}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}
.overlay{position:fixed;inset:0;background:rgba(10,14,25,.45);z-index:45;opacity:0;transition:opacity .25s ease}
.overlay.is-on{opacity:1}

/* Hero */
.hero{padding:64px 0 40px}
.hero__in{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;margin:0 0 14px;padding:6px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:13px}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.1;margin:0 0 18px;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,34px);margin:0 0 22px;letter-spacing:-.01em}
.lead{font-size:18px;color:var(--muted);margin:0 0 28px;max-width:600px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border-radius:12px;font-weight:700;text-decoration:none;border:2px solid transparent}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{filter:brightness(1.07)}
.btn--ghost{border-color:var(--line);color:var(--ink);background:#fff}
.hero__card{background:var(--card);border-radius:22px;box-shadow:var(--shadow);padding:22px;display:flex;flex-direction:column;gap:12px}
.bubble{padding:12px 14px;border-radius:16px;font-size:15px;max-width:92%}
.bubble--user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:6px}
.bubble--bot{background:#f1f3f9;border-bottom-left-radius:6px}
.mini-cards{display:flex;flex-wrap:wrap;gap:8px}
.mini-cards span{font-size:13px;font-weight:700;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#fff}

/* Sections */
.section{padding:56px 0}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section__head h2{margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:7px 13px;font-size:14px;font-weight:600}
.chip.is-active,.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:8px;min-width:0}
.card__img{aspect-ratio:4/3;border-radius:12px;display:grid;place-items:center;font-size:40px;font-weight:800;color:#fff}
.card__cat{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.card__name{font-weight:800;font-size:16px;line-height:1.3}
.card__desc{font-size:14px;color:var(--muted);margin:0;flex:1}
.card__row{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.price{font-weight:800;font-size:18px}
.badge{font-size:12px;font-weight:700;padding:4px 8px;border-radius:8px;background:#e7f8f2;color:#0d8a66}
.badge--off{background:#f4f4f6;color:#8a90a0}
.card__ask{border:1px solid var(--brand);background:#fff;color:var(--brand);font-weight:700;border-radius:10px;padding:8px 10px;font-size:14px}
.card__ask:hover{background:var(--brand-soft)}
.features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.feature{background:var(--bg);border-radius:var(--radius);padding:20px}
#delivery .feature{background:#fff;border:1px solid var(--line)}
.feature h3{margin:0 0 8px;font-size:17px}
.feature p{margin:0;color:var(--muted);font-size:15px}
.note{margin:22px 0 0;color:var(--muted)}
.footer{padding:28px 0;color:var(--muted);font-size:14px}

/* Chat widget */
.chat-fab{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;align-items:center;gap:8px;border:0;border-radius:999px;background:var(--brand);color:#fff;padding:14px 18px;box-shadow:0 12px 28px rgba(47,91,255,.35);font-weight:700}
.chat-fab[aria-expanded="true"]{opacity:0;pointer-events:none}
.chat{position:fixed;right:20px;bottom:20px;z-index:80;width:380px;height:min(620px,calc(100vh - 40px));background:#fff;border-radius:20px;box-shadow:0 20px 60px rgba(20,26,43,.25);display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(12px);transition:opacity .2s ease,transform .2s ease}
.chat[hidden]{display:none}
.chat.is-open{opacity:1;transform:none}
.chat__head{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--brand);color:#fff}
.chat__avatar{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-weight:800;flex:none}
.chat__title{font-weight:800}
.chat__sub{font-size:12px;opacity:.85}
.chat__close{position:relative;margin-left:auto;width:40px;height:40px;border:0;background:rgba(255,255,255,.15);border-radius:10px;flex:none}
.chat__close span{position:absolute;left:11px;top:19px;width:18px;height:2px;background:#fff;border-radius:2px}
.chat__close span:first-child{transform:rotate(45deg)}.chat__close span:last-child{transform:rotate(-45deg)}
.chat__body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#f7f8fc;overscroll-behavior:contain}
.msg{max-width:88%;padding:10px 13px;border-radius:16px;font-size:15px;white-space:pre-line;overflow-wrap:anywhere}
.msg--user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:6px}
.msg--bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:6px}
.msg--typing{display:flex;gap:4px;align-items:center}
.msg--typing i{width:7px;height:7px;border-radius:50%;background:#aab1c4;animation:blink 1.2s infinite}
.msg--typing i:nth-child(2){animation-delay:.2s}.msg--typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,80%,100%{opacity:.3}40%{opacity:1}}
.recs{display:flex;flex-direction:column;gap:8px;align-self:stretch}
.rec{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}
.rec__img{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;flex:none}
.rec__info{min-width:0;flex:1}
.rec__name{font-weight:800;font-size:14px;line-height:1.3}
.rec__meta{font-size:13px;color:var(--muted)}
.rec__btn{border:0;background:var(--brand-soft);color:var(--brand);font-weight:700;border-radius:10px;padding:8px 10px;font-size:13px;flex:none}
.rec__btn.is-added{background:#e7f8f2;color:#0d8a66}
.chat__chips{display:flex;gap:6px;padding:8px 12px 0;overflow-x:auto;scrollbar-width:none;background:#fff}
.chat__chips::-webkit-scrollbar{display:none}
.chat__chips .chip{flex:none;font-size:13px;padding:6px 11px}
.chat__form{display:flex;gap:8px;padding:12px;background:#fff;border-top:1px solid var(--line)}
.chat__form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px}
.chat__form input:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.chat__form button{width:48px;height:48px;border:0;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;flex:none}
.chat__form button:disabled{opacity:.5}

/* Responsive */
@media (max-width:1024px){
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .features{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .burger{display:block}
  .nav{position:fixed;top:0;right:0;height:100vh;height:100dvh;width:min(320px,86vw);background:#fff;z-index:60;flex-direction:column;align-items:stretch;gap:4px;padding:84px 20px 24px;transform:translateX(100%);visibility:hidden;transition:transform .28s ease,visibility 0s linear .28s;box-shadow:-10px 0 30px rgba(20,26,43,.15)}
  .nav.is-open{transform:none;visibility:visible;transition:transform .28s ease}
  .nav a{padding:14px 6px;border-bottom:1px solid var(--line);font-size:17px}
  .nav__cta{margin-top:16px;padding:14px}
  .hero__in{grid-template-columns:1fr;gap:28px}
  .hero{padding:40px 0 24px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .grid{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .lead{font-size:16px}
  .hero__actions .btn{flex:1 1 100%}
  .chat{right:0;bottom:0;width:100%;height:100%;height:100dvh;border-radius:0}
  .chat-fab{right:16px;bottom:16px;padding:14px}
  .chat-fab__label{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}