/* Shared styles for Reva AI Teacher legal pages */
:root{
  --bg:#F4FBF6; --bg2:#E7F6EA; --card:#FFFFFF; --line:#D2EBD7;
  --ink:#10301C; --muted:#47664F; --brand:#16A34A; --brand2:#22C55E;
  --accent:#F59E0B;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:900px;margin:0 auto;padding:0 22px}

/* Nav */
header{position:sticky;top:0;z-index:50;background:rgba(244,251,246,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px;max-width:1120px;margin:0 auto;padding:0 22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo .logo-img{width:32px;height:32px;border-radius:8px;object-fit:contain;background:#fff;padding:2px;display:block}
.nav .links{display:flex;gap:22px;align-items:center}
.nav .links a{color:var(--muted);font-size:15px}
.nav .links a:hover{color:var(--ink);text-decoration:none}
.nav-right{display:flex;align-items:center;gap:22px}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:var(--card);cursor:pointer}
.burger span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:.25s ease}
@media(max-width:640px){
  .nav-right{gap:14px}
  .burger{display:flex}
  .nav .links{position:absolute;left:0;right:0;top:66px;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 14px;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 14px 26px rgba(16,48,28,.08);display:none;z-index:60}
  .navtog:checked ~ .nav-right .links{display:flex}
  .nav .links a.mut{font-size:16px;padding:14px 4px;border-bottom:1px solid var(--line);display:block}
  .nav .links a.mut:last-child{border-bottom:none}
  .navtog:checked ~ .nav-right .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .navtog:checked ~ .nav-right .burger span:nth-child(2){opacity:0}
  .navtog:checked ~ .nav-right .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
.btn{display:inline-block;padding:11px 22px;border-radius:12px;font-weight:700;font-size:15px;transition:.2s;cursor:pointer;border:0;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#08122b}
.btn:hover{transform:translateY(-2px);text-decoration:none}

/* Document body */
main{padding:56px 0 40px}
.doc h1{font-size:clamp(28px,4vw,40px);font-weight:800;letter-spacing:-.5px;margin-bottom:8px}
.doc .meta{color:var(--muted);font-size:14px;margin-bottom:14px}
.doc .intro{color:var(--muted);font-size:16px;margin-bottom:34px;border-left:3px solid var(--brand);padding-left:16px}
.doc section{margin-bottom:30px}
.doc h2{font-size:20px;font-weight:800;margin:0 0 12px;color:var(--ink)}
.doc h3{font-size:16px;font-weight:700;margin:18px 0 8px;color:var(--ink)}
.doc p{color:#2F4A38;margin-bottom:12px;font-size:15.5px}
.doc ul{margin:0 0 12px;padding-left:22px}
.doc li{color:#2F4A38;margin-bottom:8px;font-size:15.5px}
.doc strong{color:var(--ink)}
.doc .callout{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:16px 0}
.doc code{background:var(--bg2);border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:13.5px}
.doc table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14.5px}
.doc th,.doc td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top;color:#2F4A38}
.doc th{background:var(--bg2);color:var(--ink);font-weight:700}
.doc .end{border-top:1px solid var(--line);padding-top:18px;margin-top:30px;color:var(--muted);font-size:13.5px}

/* Footer */
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--muted);font-size:14px;margin-top:20px}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.foot-grid h4{color:var(--ink);font-size:14px;margin-bottom:10px}
.foot-grid a{color:var(--muted);display:block;margin-bottom:6px}
.foot-grid a:hover{color:var(--ink);text-decoration:none}
.foot-addr p{margin-bottom:3px}
.foot-legal{border-top:1px solid var(--line);margin-top:26px;padding-top:18px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}
.foot-legal .links a{color:var(--muted);margin-right:16px}
@media(max-width:560px){.nav{height:60px}.logo{font-size:17px;gap:8px;white-space:nowrap}.logo .logo-img{width:30px;height:30px}.nav-right .btn{padding:10px 15px;font-size:14px}.burger{width:42px;height:42px}.nav .links{top:60px}}