/* Shared styles for eStar Tuition's simple pages: privacy, terms, cookies and 404. */
:root{
  --paper:#FFFFFF;--sunk:#F1F2F2;
  --ink:#2B2F30;--ink-2:#4B5152;--muted:#6A7070;
  --line:#E3E5E5;--line-2:#CDD1D1;--logo:#7A8080;--charcoal:#2B2F30;
  --display:'Inter Tight','Helvetica Neue',Arial,sans-serif;
  --body:'Inter','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
  --gutter:clamp(20px,4vw,48px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:3px}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:var(--gutter)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:8px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1.2;text-decoration:none;transition:background-color .18s,border-color .18s}
.btn-primary{background:var(--charcoal);color:#fff}
.btn-primary:hover{background:#454B4C}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink)}

.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.logo img{width:38px;height:38px;border-radius:8px}
.logo-word{font-family:var(--display);font-size:18px;font-weight:600;letter-spacing:-0.02em}
.logo-word span{font-weight:500;color:var(--muted)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-right .link{font-size:14.5px;font-weight:500;color:var(--ink-2);text-decoration:none}
.nav-right .link:hover{color:var(--ink)}

.doc{display:grid;grid-template-columns:220px minmax(0,1fr);gap:clamp(28px,5vw,72px);padding-block:clamp(40px,6vw,72px) clamp(64px,8vw,104px)}
.doc > *{min-width:0}
.doc-head{grid-column:1 / -1;padding-bottom:28px;border-bottom:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted)}
.doc-head h1{font-family:var(--display);font-size:clamp(36px,4.6vw,56px);font-weight:600;letter-spacing:-0.035em;line-height:1.02;margin:12px 0 12px}
.doc-head p{color:var(--ink-2);max-width:640px;font-size:17px}
.toc{position:sticky;top:96px;align-self:start;font-size:14px}
.toc b{display:block;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:0.12em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.toc ol{list-style:none;display:grid;gap:6px}
.toc a{color:var(--ink-2);text-decoration:none}
.toc a:hover{color:var(--ink);text-decoration:underline}
.prose{max-width:700px}
.prose h2{font-family:var(--display);font-size:24px;font-weight:600;letter-spacing:-0.02em;line-height:1.2;margin:44px 0 12px;scroll-margin-top:92px}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--display);font-size:18px;font-weight:600;margin:24px 0 8px}
.prose p,.prose li{color:var(--ink-2)}
.prose p{margin-bottom:14px}
.prose ul{padding-left:20px;margin-bottom:14px;display:grid;gap:6px}
.prose strong{color:var(--ink);font-weight:600}
.table-scroll{overflow-x:auto;margin:10px 0 18px;border:1px solid var(--line);border-radius:12px}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
.prose th{text-align:left;font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:0.1em;text-transform:uppercase;color:var(--muted);background:#F7F8F8;padding:12px 14px;border-bottom:1px solid var(--line)}
.prose td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.prose tr:last-child td{border-bottom:none}
.prose td code{font-family:var(--mono);font-size:13px;color:var(--ink)}
.note{padding:16px 18px;border-radius:10px;background:var(--sunk);border-left:3px solid var(--logo);margin:18px 0}

.notfound{min-height:calc(100vh - 68px - 90px);display:flex;align-items:center;padding-block:64px}
.notfound .code{font-family:var(--mono);font-size:13px;letter-spacing:0.14em;color:var(--muted)}
.notfound h1{font-family:var(--display);font-size:clamp(40px,6vw,72px);font-weight:600;letter-spacing:-0.04em;line-height:1;margin:14px 0 16px}
.notfound p{font-size:18px;color:var(--ink-2);max-width:520px}
.notfound .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

footer{background:var(--charcoal);color:#C3C8C8;padding-block:28px;font-size:13.5px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px}
footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{text-decoration:none}
footer a:hover{color:#fff;text-decoration:underline}

@media(max-width:820px){
  .doc{grid-template-columns:1fr}
  .toc{position:static;padding:16px 18px;border:1px solid var(--line);border-radius:12px}
}
@media(max-width:560px){
  .nav-right .link{display:none}
}
@media (prefers-reduced-motion: reduce){.btn{transition:none}}