:root{
  --bg:#fbf8f3; --surface:#ffffff; --ink:#16211f; --muted:#5b6b67;
  --brand:#0f6b5c; --brand-ink:#ffffff; --accent:#e9a23b; --line:#e6dfd3;
  --bubble-in:#ffffff; --bubble-out:#d9f2e6; --chat-bg:#efe8dc;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0f1715; --surface:#16211f; --ink:#eef3f1; --muted:#9db0aa;
    --brand:#3fbf9f; --brand-ink:#08231d; --accent:#f0b256; --line:#27352f;
    --bubble-in:#1f2e2a; --bubble-out:#1c4a3c; --chat-bg:#111b18;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
img,svg{max-width:100%}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:1.35rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:.5rem}
.logo i{width:26px;height:26px;border-radius:8px;background:var(--brand);display:inline-block;position:relative}
.logo i::after{content:"";position:absolute;inset:7px 7px 7px 9px;border:2.5px solid var(--brand-ink);border-right-color:transparent;border-radius:50%}
nav a{color:var(--muted);text-decoration:none;margin-left:22px;font-size:.95rem}
nav a:hover{color:var(--ink)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);padding:.85rem 1.4rem;border-radius:12px;font-weight:700;text-decoration:none;border:0}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);background:color-mix(in srgb,var(--brand) 12%,transparent);padding:.35rem .8rem;border-radius:99px}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.06;letter-spacing:-.03em;margin:18px 0 16px}
h2{font-size:clamp(1.6rem,3vw,2.2rem);letter-spacing:-.02em;line-height:1.15;margin:0 0 12px}
h3{margin:0 0 6px;font-size:1.1rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:34em}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.small{font-size:.88rem;color:var(--muted)}
.chat{background:var(--chat-bg);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 20px 50px -25px rgba(0,0,0,.35)}
.chat .bar{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;font-weight:700}
.chat .dot{width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:grid;place-items:center;font-size:.9rem}
.msg{max-width:84%;padding:.6rem .85rem;border-radius:14px;margin:8px 0;font-size:.95rem;line-height:1.45;box-shadow:0 1px 1px rgba(0,0,0,.06)}
.msg.in{background:var(--bubble-in);border-top-left-radius:4px}
.msg.out{background:var(--bubble-out);margin-left:auto;border-top-right-radius:4px}
.msg small{display:block;color:var(--muted);font-size:.72rem;margin-top:2px;text-align:right}
section{padding:56px 0}
section.alt{background:var(--surface);border-block:1px solid var(--line)}
.grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr);margin-top:28px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px}
section.alt .card{background:var(--bg)}
.num{width:34px;height:34px;border-radius:50%;background:var(--accent);color:#2a1c00;font-weight:800;display:grid;place-items:center;margin-bottom:12px}
.card p{margin:0;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{border:1px solid var(--line);background:var(--surface);padding:.45rem .9rem;border-radius:99px;font-size:.95rem}
details{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:14px 18px;margin:10px 0}
summary{cursor:pointer;font-weight:700}
details p{color:var(--muted);margin:10px 0 0}
.final{text-align:center;padding:72px 0}
.final .lead{margin:0 auto}
footer{border-top:1px solid var(--line);padding:32px 0 48px;color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:space-between}
footer a{color:var(--muted);margin-right:18px}
.legal{padding:48px 0 72px;max-width:760px}
.legal h1{font-size:2.2rem}
.legal h2{font-size:1.25rem;margin-top:32px}
.legal p,.legal li{color:var(--ink)}
@media (max-width:820px){
  .hero{padding:44px 0 36px}
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .grid,.grid.two{grid-template-columns:1fr}
  nav a.hide-sm{display:none}
}