/* MCB AI & Digital — shared chrome
 * Served at /css/chrome.css; loaded by every public page.
 * Tokens (:root), fonts, body background+grain, base typography,
 * skip link, sticky page nav (.hub-nav), page header, buttons.
 * Page-specific CSS stays inline in each page.
 */

  @font-face{font-family:'MCB Sans';src:url('/fonts/montserrat-400.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
  @font-face{font-family:'MCB Sans';src:url('/fonts/montserrat-500.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
  @font-face{font-family:'MCB Sans';src:url('/fonts/montserrat-600.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
  @font-face{font-family:'MCB Sans';src:url('/fonts/montserrat-700.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}
  @font-face{font-family:'MCB Sans';src:url('/fonts/montserrat-800.woff2') format('woff2');font-weight:800;font-style:normal;font-display:swap}

  :root{
    --bg:#0a1d28;--bg-2:#10283a;--bg-3:#16344a;--panel:rgba(28,55,75,.72);--panel-2:rgba(32,64,85,.85);
    --line:rgba(190,220,220,.18);--line-strong:rgba(214,243,63,.42);
    --text:#f5f7f2;--muted:#a8b4b6;--soft:#d9e2df;
    --lime:#d6f33f;--lime-2:#bde022;--teal:#2c7a85;--teal-strong:rgba(44,122,133,.6);--gold:#d4a44a;--focus:#8edcff;
    --shadow:0 24px 70px rgba(0,0,0,.35);
    --sans:'MCB Sans',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:96px;scrollbar-gutter:stable}
  body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
  body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .5 0'/></filter><rect width='180' height='180' filter='url(%23n)'/></svg>")}
  body::before{content:"";position:fixed;inset:0;z-index:-2;background:radial-gradient(circle at 14% 6%,rgba(44,122,133,.32),transparent 32rem),radial-gradient(circle at 88% 0%,rgba(214,243,63,.10),transparent 28rem),radial-gradient(circle at 50% 100%,rgba(212,164,74,.10),transparent 30rem),var(--bg)}

  a{color:inherit}
  :focus-visible{outline:3px solid var(--focus);outline-offset:3px}
  .skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
  .skip:focus{position:fixed;left:16px;top:16px;width:auto;height:auto;padding:10px 14px;background:var(--lime);color:#071116;border-radius:8px;z-index:100;font-weight:800}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

  /* Sticky hub nav */
  .hub-nav{position:sticky;top:0;z-index:50;background:rgba(10,29,40,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
  /* Compound selector beats later .wrap rule so nav keeps its vertical padding */
  .hub-nav .hub-nav__inner,
  .hub-nav__inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:10px;padding:18px 24px;overflow-x:auto;scrollbar-width:none}
  .hub-nav__inner::-webkit-scrollbar{display:none}
  .hub-nav a{flex-shrink:0;padding:11px 18px;display:inline-flex;align-items:center;border-radius:999px;font-size:.86rem;font-weight:700;color:var(--muted);text-decoration:none;border:1px solid transparent;letter-spacing:.02em;line-height:1.2;transition:color .15s,border-color .15s,background .15s}
  .hub-nav a:hover{color:var(--text);border-color:var(--line)}
  .hub-nav a.is-active{color:var(--text);border-color:var(--line-strong);background:rgba(214,243,63,.06)}
  .hub-nav__cta{margin-left:auto;color:var(--lime) !important;border-color:var(--line-strong) !important}
  .hub-nav__cta:hover{background:var(--lime) !important;color:#071116 !important;border-color:var(--lime) !important}
  .hub-nav__cta--donate{color:#fff !important;background:#c4182f;border-color:#c4182f !important;font-weight:800}
  .hub-nav__cta--donate:hover{background:#e0233f;border-color:#e0233f !important;color:#fff !important}

  /* Page shell — canonical hero/header used by every non-landing page.
     Pattern: header.page-head > div.wrap > .eyebrow + h1 + .lede + .page-head__actions
     Width matches the rest of the site (.wrap = 1200px), padding is the
     editorial breathing-room scale (72px top, 48px bottom). */
  main{margin:0 auto;flex:1 0 auto}
  .page-head{padding:72px 0 48px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(28,55,75,.35) 0%,transparent 100%)}
  .page-head>.wrap{display:block}
  .page-head .eyebrow,.page-head .kicker,.page-head .section-label{display:inline-block;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--lime);font-weight:800;margin:0 0 18px}
  .page-head h1{font-size:clamp(2rem,4.4vw,3.2rem);line-height:1.1;font-weight:800;margin:0 0 18px;letter-spacing:-.02em;max-width:24ch}
  .page-head p.lede,.page-head .lede{color:var(--soft);font-size:1.12rem;line-height:1.55;margin:0 0 24px;max-width:62ch}
  .page-head__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
  .page-head .charter{color:var(--gold);font-style:italic;font-weight:500;font-size:1rem;margin:0 0 14px;opacity:.92}
  @media(min-width:1100px){.page-head{padding:104px 0 64px}}

  .button{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:12px;font-weight:800;text-decoration:none;font-size:.96rem;letter-spacing:.01em;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:transform .12s,background .15s,border-color .15s,color .15s}
  .button.primary{background:var(--lime);color:#071116;border-color:var(--lime)}
  .button.primary:hover{background:var(--lime-2);border-color:var(--lime-2);transform:translateY(-1px)}
  .button.ghost{background:transparent;color:var(--text);border-color:var(--line)}
  .button.ghost:hover{border-color:var(--line-strong);color:var(--lime)}
  .button.secondary{background:transparent;color:var(--text);border-color:var(--line)}
  .button.secondary:hover{border-color:var(--line-strong);color:var(--lime)}

  /* Global heading scale — matches DESIGN.md */
  h1{font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.1;font-weight:800;letter-spacing:-.02em;margin:0 0 .6em;max-width:24ch}
  h2{font-size:clamp(1.6rem,2.6vw,2.2rem);line-height:1.18;font-weight:800;letter-spacing:-.015em;margin:0 0 .55em}
  h3{font-size:clamp(1.16rem,1.6vw,1.32rem);line-height:1.25;font-weight:800;margin:0 0 .5em}
  p{margin:0 0 1em}
  .wrap{max-width:1200px;margin:0 auto;padding:0 24px}

  /* Standalone editorial type */
  .eyebrow{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--lime);margin:0 0 14px}
  .kicker{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.22em;text-transform:uppercase;color:var(--lime);margin:0 0 14px}
  .lede{color:var(--soft);font-size:1.12rem;line-height:1.55;margin:0 0 24px;max-width:60ch}
  .charter{color:var(--gold);font-style:italic;font-weight:500;font-size:1.02rem;margin:0;opacity:.92}
  .note,.meta{color:var(--muted);font-size:.88rem}

  /* Surfaces */
  .card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:28px}
  .panel{background:var(--panel-2);border:1px solid var(--line);border-radius:16px;padding:40px}

  /* Tag pill */
  .tag{display:inline-block;padding:5px 10px;border-radius:999px;background:rgba(214,243,63,.12);color:var(--lime);font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}

  /* Icon bubble — 60×60 lime-outlined circle */
  .icon-bubble{width:60px;height:60px;border:1px solid var(--lime);border-radius:50%;color:var(--lime);display:grid;place-items:center}

  /* Form controls — canonical base for every form input/select/textarea */
  .field{display:flex;flex-direction:column;gap:6px;margin:0 0 18px}
  .field-label,.field>label{font-size:.86rem;font-weight:700;color:var(--soft);letter-spacing:.01em}
  .field-help{font-size:.78rem;color:var(--muted)}
  .field input,.field select,.field textarea,
  input.field,select.field,textarea.field,
  input[type=text],input[type=email],input[type=url],input[type=tel],input[type=search],select,textarea{
    background:rgba(0,0,0,.25);border:1px solid var(--line);border-radius:8px;padding:12px 14px;
    color:var(--text);font-family:var(--sans);font-size:.96rem;min-height:48px;width:100%;
    transition:border-color .15s,background .15s
  }
  textarea{min-height:120px;resize:vertical;line-height:1.5}
  .field input:focus,.field select:focus,.field textarea:focus,
  input[type=text]:focus,input[type=email]:focus,input[type=url]:focus,input[type=tel]:focus,input[type=search]:focus,select:focus,textarea:focus{
    outline:0;border-color:var(--lime);background:rgba(0,0,0,.35)
  }
  .field-error,.is-invalid+.field-error{color:#ff8d8d;font-size:.82rem;margin-top:6px;font-weight:600}
  .is-invalid{border-color:#ff8d8d !important}
  .field-success{color:#9ae66e;font-size:.82rem;margin-top:6px;font-weight:600}

  /* Intro card */


/* === SHARED FOOTER ============================================ */
.site-footer{margin-top:0;padding:48px 0 56px;background:var(--bg-2);border-top:1px solid var(--line);position:relative;z-index:2;flex-shrink:0}
.site-footer .wrap{display:grid;gap:32px;padding:0 22px}
@media(min-width:760px){.site-footer .wrap{grid-template-columns:1fr 1fr;gap:48px;padding:0 36px}}
@media(min-width:1100px){.site-footer .wrap{padding:0 56px}}
.site-footer__bulletin{padding:24px 26px;border:1px solid var(--line);border-radius:14px;background:rgba(28,55,75,.55)}
.site-footer__bulletin h2{margin:0 0 6px;font-size:1.05rem;font-weight:800;color:var(--text)}
.site-footer__bulletin p{margin:0 0 16px;color:var(--soft);font-size:.88rem;line-height:1.5}
.site-footer__bulletin form{display:flex;gap:8px;flex-wrap:wrap}
.site-footer__bulletin input[type=email]{flex:1;min-width:180px;min-height:42px;padding:10px 14px;background:rgba(10,29,40,.6);border:1px solid var(--line);border-radius:10px;color:var(--text);font:inherit;font-size:.95rem}
.site-footer__bulletin input[type=email]:focus{outline:0;border-color:var(--lime)}
.site-footer__bulletin button{padding:10px 20px;background:var(--lime);color:#071116;border:0;border-radius:10px;font:inherit;font-weight:800;font-size:.92rem;cursor:pointer;transition:background .15s ease}
.site-footer__bulletin button:hover{background:var(--lime-2)}
.site-footer__bulletin .bulletin-status{margin:10px 0 0;font-size:.84rem;color:var(--soft)}
.site-footer__bulletin .bulletin-status.is-ok{color:var(--lime)}
.site-footer__bulletin .bulletin-status.is-error{color:#ff8a8a}
.site-footer__meta{display:flex;flex-direction:column;justify-content:space-between;gap:18px;color:var(--soft);font-size:.86rem}
.site-footer__meta .charter{color:var(--gold);font-style:italic;font-weight:500;font-size:.92rem;margin:0;opacity:.9}
.site-footer__meta .credit{margin:0;color:var(--muted)}
.site-footer__meta .credit a{color:var(--soft);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s ease}
.site-footer__meta .credit a:hover{border-color:var(--lime)}
.site-footer__links{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:10px 20px;margin:0}
.site-footer__links li{display:inline-flex;align-items:center}
.site-footer__links li:not(:last-child)::after{content:"";width:3px;height:3px;border-radius:50%;background:var(--line);margin-left:20px;opacity:.7}
.site-footer__links a{color:var(--soft);text-decoration:none;font-size:.86rem;font-weight:700}
.site-footer__links a:hover{color:var(--lime)}


/* === NAV BRAND — official MCB logo on a soft-white lozenge ====== */
/* The official logo is maroon + navy on a light field; the navy would
   vanish on our dark nav, so it rides a soft-white chip that gives it its
   intended background. "AI & Digital" sits beside it as the sub-brand. */
.hub-nav__brand{flex-shrink:0;display:inline-flex;align-items:center;gap:12px;padding:0 2px 0 0;text-decoration:none;border:0;border-right:1px solid var(--line);border-radius:0;margin-right:8px}
.hub-nav__logo{display:block;height:38px;width:auto;background:#f5f7f2;padding:6px 11px;border-radius:9px;box-sizing:border-box;border:1px solid rgba(0,0,0,.06)}
.hub-nav__brand-label{color:var(--text);font-weight:800;font-size:.92rem;letter-spacing:.02em;white-space:nowrap}
.hub-nav__brand:hover{border-color:transparent;border-right-color:var(--line)}
.hub-nav__brand:hover .hub-nav__brand-label{color:var(--lime)}
.hub-nav a.is-active{color:var(--lime);border-color:var(--line-strong)}
@media(max-width:560px){
  .hub-nav__brand{border-right:0;margin-right:6px;gap:0}
  .hub-nav__brand-label{display:none}
  .hub-nav__logo{height:34px;padding:5px 9px}
}