/* Closi Chat — site institucional. Estilos compartilhados (landing + páginas legais). */
:root{
  --ink:#0d0f1f; --ink-2:#2a2d45; --muted:#5d6180; --line:#e6e4f2;
  --bg:#fbfaff; --bg-2:#f3f0ff; --card:#ffffff;
  --violet:#6a4cff; --violet-2:#8b73ff; --violet-deep:#3d24c9;
  --cyan:#15c3d8; --amber:#ffb238; --green:#1fbf75;
  --radius:18px; --shadow:0 18px 50px -24px rgba(45,25,160,.35);
  --font:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--violet);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(1160px,100% - 40px);margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--violet)}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--violet),var(--cyan))}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;margin:0}
h2{font-size:clamp(28px,4vw,42px)}
.lead{color:var(--muted);font-size:clamp(16px,1.6vw,18.5px)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:700;font-size:15.5px;border:0;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--violet),var(--violet-deep));color:#fff;box-shadow:0 14px 30px -12px rgba(106,76,255,.7)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--violet-2)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,250,255,.82);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand svg{width:34px;height:34px}
.nav-links{display:flex;gap:26px;font-size:14.5px;font-weight:600}
.nav-links a{color:var(--ink-2)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .login{font-weight:700;color:var(--ink-2);font-size:14.5px}
.nav-cta .btn{padding:10px 18px;font-size:14px}
@media (max-width:900px){.nav-links{display:none}}
@media (max-width:520px){.nav-cta .btn{display:none}}

/* Footer */
.site-footer{background:var(--ink);color:#c9cbe0;padding:64px 0 34px;margin-top:40px}
.site-footer a{color:#e7e6ff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.foot-grid h4{color:#fff;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin:0 0 14px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:14.5px}
.foot-brand .brand{color:#fff}
.foot-brand p{font-size:14.5px;max-width:320px}
.legal-line{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:22px;font-size:13px;color:#9a9cba;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}

/* Legal pages */
.legal-hero{padding:64px 0 28px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.legal-hero h1{font-size:clamp(30px,4.4vw,46px);margin-top:12px}
.legal-hero p{color:var(--muted);margin:10px 0 0}
.legal{padding:40px 0 30px}
.legal .doc,.legal-hero .wrap{max-width:820px}
.legal h2{font-size:22px;margin:36px 0 10px}
.legal h3{font-size:17px;margin:22px 0 6px}
.legal p,.legal li{color:var(--ink-2);font-size:16px}
.legal ul{padding-left:22px}
.legal .box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin:18px 0}
.legal table{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0}
.legal th,.legal td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.legal th{background:var(--bg-2)}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.toc a{font-size:13.5px;font-weight:600;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;color:var(--ink-2)}