/* ===========================================================
   HSECai — shared theme (single source of truth for all pages)
   Tokens, base, nav, footer, buttons, document typography.
   Page-specific (marketing components) stays in each page.
   =========================================================== */

:root {
  --orange: #E8530E;
  --orange-hover: #D04A0B;
  --orange-light: #FFF4F0;
  --orange-subtle: #FEE8DE;
  --grey-900: #2D2D2D;
  --grey-800: #3D3D3D;
  --grey-700: #555555;
  --grey-600: #6B6B6B;
  --grey-500: #888888;
  --grey-400: #AAAAAA;
  --grey-300: #CCCCCC;
  --grey-200: #E2E2E2;
  --grey-100: #F2F2F2;
  --grey-50: #F8F8F8;
  --white: #FFFFFF;
  --text: #2D2D2D;
  --text-secondary: #555555;
  --text-muted: #6B6B6B;
  --text-light: #888888;
  --border: #E2E2E2;
  --border-light: #EFEFEF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-gutter: stable; }
body {
  font-family: 'Source Sans 3', -apple-system, sans-serif;
  background: var(--white);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}
.container { max-width: 1140px; margin: 0 auto; padding: 0 40px; }
.page-doc { padding-top: 70px; }   /* document pages clear the fixed nav */

/* ---- NAV ---- */
nav {
  position: fixed; top:0; left:0; right:0; z-index:1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
}
nav .container {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:14px; padding-bottom:14px;
}
nav .logo img { height:40px; display:block; }
nav .nav-links { display:flex; gap:32px; align-items:center; }
nav .nav-links a {
  color: var(--grey-600); text-decoration:none; font-size:14px;
  font-weight:500; transition: color 0.3s;
}
nav .nav-links a:hover { color: var(--orange); }
nav .nav-links a.nav-cta {
  background: var(--orange); color: var(--white); padding:10px 26px;
  border-radius:6px; font-weight:600; font-size:14px;
  text-decoration:none; transition: all 0.3s; border:none; cursor:pointer;
}
nav .nav-links a.nav-cta:hover { background: var(--orange-hover); color: var(--white); }
.hamburger { display:none; background:none; border:none; cursor:pointer; padding:8px; }
.hamburger span { display:block; width:22px; height:2px; background:var(--grey-700); margin:5px 0; transition:all 0.3s; }

/* ---- BUTTONS ---- */
.btn-primary {
  background: var(--orange); color: var(--white); padding:14px 32px;
  border-radius:6px; font-weight:600; font-size:15px;
  text-decoration:none; transition: all 0.3s; border:none; cursor:pointer;
  display:inline-flex; align-items:center; gap:6px;
}
.btn-primary:hover { background: var(--orange-hover); transform:translateY(-1px); box-shadow:0 4px 16px rgba(232,83,14,0.25); }
.btn-secondary {
  background: var(--white); color: var(--grey-700); padding:14px 32px;
  border-radius:6px; font-weight:600; font-size:15px;
  text-decoration:none; transition: all 0.3s; border:1px solid var(--border);
  cursor:pointer;
}
.btn-secondary:hover { border-color: var(--grey-400); background:var(--grey-50); }

/* ---- FOOTER ---- */
footer {
  padding:48px 0 36px; border-top:1px solid var(--border);
  background: var(--white);
}
.footer-grid { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
.footer-logo img { height:40px; display:block; }
.footer-links { display:flex; gap:28px; flex-wrap:wrap; }
.footer-links a { color:var(--text-light); text-decoration:none; font-size:13px; font-weight:500; transition:color 0.3s; }
.footer-links a:hover { color:var(--orange); }
.footer-info { font-size:12px; color:var(--text-light); text-align:center; margin-top:32px; padding-top:20px; border-top:1px solid var(--border-light); }

/* ---- DOCUMENT PAGES (privacy / terms) — scoped so it never leaks to home ---- */
main { padding: 56px 0 80px; }
.doc { max-width: 760px; }
.doc-title { font-size: 38px; font-weight: 700; letter-spacing: -1px; color: var(--grey-900); margin-bottom: 8px; line-height: 1.15; }
.doc-meta { color: var(--text-light); font-size: 14px; margin-bottom: 36px; }
.intro { font-size: 17px; color: var(--text-secondary); margin-bottom: 40px; }
.doc h2 { font-size: 21px; font-weight: 700; color: var(--grey-900); margin: 38px 0 12px; letter-spacing: -0.3px; }
.doc h3 { font-size: 16px; font-weight: 600; color: var(--grey-900); margin: 22px 0 8px; }
.doc p { margin-bottom: 14px; color: var(--text-secondary); }
.doc ul { margin: 0 0 16px 22px; }
.doc li { margin-bottom: 8px; color: var(--text-secondary); }
.doc a { color: var(--orange); text-decoration: none; }
.doc a:hover { text-decoration: underline; }
.doc strong { color: var(--grey-900); font-weight: 600; }
.callout {
  background: var(--grey-50); border: 1px solid var(--border-light);
  border-left: 3px solid var(--orange); border-radius: 8px;
  padding: 18px 22px; margin: 22px 0; font-size: 15px;
}
.toc { background: var(--grey-50); border: 1px solid var(--border-light); border-radius: 10px; padding: 22px 26px; margin-bottom: 40px; }
.toc-title { font-weight: 600; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); margin-bottom: 12px; }
.toc ol { margin-left: 18px; }
.toc li { margin-bottom: 6px; font-size: 15px; }

/* ---- RESPONSIVE (shared) ---- */
@media (max-width: 968px) {
  .container { padding:0 24px; }
  .nav-links { display:none; }
  .hamburger { display:block; }
  nav.mobile-open .nav-links {
    display:flex; flex-direction:column; position:absolute;
    top:100%; left:0; right:0; background:rgba(255,255,255,0.98);
    padding:20px 24px; gap:16px; border-bottom:1px solid var(--border);
  }
}
@media (max-width: 600px) { .doc-title { font-size: 30px; } }