/* The Maintenance Summit 2027 · shared chrome for every page
   Palette: charcoal, campaign signal red and butter gold (chosen November 2026).
   Type: Roboto for display and text, Josefin Sans for labels, as on the campaign artwork. */

:root{
  --c-950:#0B0C10;        /* deepest charcoal: footer, deep sections */
  --c-900:#16181D;        /* charcoal: dark sections, headings on light */
  --c-800:#262931;
  --c-700:#3A3D47;
  --accent:#C8121A;       /* red used as the accent on light grounds */
  --red:#D7141C;          /* buttons: white text passes AA at 5.2:1 */
  --red-hover:#B50F17;
  --red-bright:#EC1E24;   /* campaign red: ribbons, rules, marks */
  --red-deep:#6B100D;
  --red-text:#C8121A;     /* red text on light: 5.9:1 */
  --gold:#FDD478;         /* dark grounds only */
  --gold-light:#FFE3A3;
  --gold-deep:#E8B53C;
  --ink:#16171B;
  --ink-soft:#50535C;
  --mist:#F4F4F2;
  --paper:#FFFFFF;
  --line:#E4E3DF;
  --on-dark:#EDEDEB;
  --on-dark-soft:#B8BAC1;
  --wrap:1240px;
  --r:10px;
  --display:"Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --label:"Josefin Sans","Roboto",system-ui,sans-serif;
  --shadow:0 18px 50px rgba(11,12,16,.16);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 17px/1.65 var(--display);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:12px;top:-60px;background:var(--gold);color:var(--c-950);padding:10px 16px;border-radius:6px;font-weight:700;z-index:100;text-decoration:none}
.skip:focus{top:12px}

/* labels with the campaign's split rule */
.eyebrow{font:700 .8rem/1 var(--label);letter-spacing:.2em;text-transform:uppercase;color:var(--red-text);display:inline-block;margin-bottom:18px}
.eyebrow::after{content:"";display:block;width:64px;height:4px;margin-top:12px;
  background:linear-gradient(90deg,var(--gold-deep) 0 56%,var(--red-bright) 56% 100%)}
.dark .eyebrow,.section-dark .eyebrow,.section-brand .eyebrow{color:var(--gold)}
.dark .eyebrow::after,.section-dark .eyebrow::after,.section-brand .eyebrow::after{background:linear-gradient(90deg,var(--gold) 0 56%,var(--red-bright) 56% 100%)}
.center{text-align:center}
.center .eyebrow::after{margin-left:auto;margin-right:auto}

/* buttons (old names kept as aliases so inner-page markup still works) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 .98rem/1 var(--display);
  padding:17px 28px;border-radius:8px;text-decoration:none;border:2px solid transparent;transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease;cursor:pointer;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-red,.btn-primary{background:var(--red);color:#fff}
.btn-red:hover,.btn-primary:hover{background:var(--red-hover);color:#fff}
.btn-gold{background:var(--gold);color:var(--c-950)}
.btn-gold:hover{background:var(--gold-light);color:var(--c-950)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);color:#fff}
.btn-line,.btn-outline{border-color:var(--c-900);color:var(--c-900);background:transparent}
.btn-line:hover,.btn-outline:hover{background:var(--c-900);color:#fff}
.btn .arr{transition:transform .15s ease}
.btn:hover .arr{transform:translateX(3px)}
.link{font-weight:700;color:var(--accent);text-decoration:none;border-bottom:2px solid rgba(200,18,26,.28)}
.link:hover{border-bottom-color:var(--accent)}
.dark .link{color:var(--gold);border-bottom-color:rgba(253,212,120,.35)}

/* header */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .25s ease,box-shadow .25s ease,padding .25s ease;padding:18px 0}
.nav.solid{background:rgba(11,12,16,.95);backdrop-filter:saturate(1.2) blur(8px);-webkit-backdrop-filter:saturate(1.2) blur(8px);box-shadow:0 8px 30px rgba(0,0,0,.25);padding:10px 0}
.nav-in{display:flex;align-items:center;gap:28px}
.brand{flex:none}
.brand img{height:64px;width:auto;transition:height .25s ease}
.nav.solid .brand img{height:52px}
.links{display:flex;gap:26px;margin:0 0 0 auto;list-style:none;padding:0}
.links a{color:#fff;text-decoration:none;font:600 .82rem/1 var(--label);letter-spacing:.13em;text-transform:uppercase;padding:8px 0;border-bottom:2px solid transparent;display:block}
.links a:hover,.links a[aria-current="page"]{border-bottom-color:var(--gold)}
.links a[aria-current="page"]{color:var(--gold)}
.nav .btn{padding:13px 20px;font-size:.9rem}
.menu{display:none;margin-left:auto;background:none;border:2px solid rgba(255,255,255,.4);color:#fff;border-radius:8px;width:46px;height:42px;font-size:1.2rem;cursor:pointer}

/* gears, the campaign's mechanical motif */
.gear{position:absolute;fill:rgba(255,255,255,.045);pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* organisers band */
.orgs-band{padding:64px 0;background:var(--paper);border-top:1px solid var(--line)}
.orgs{display:grid;grid-template-columns:auto auto;justify-content:center;gap:28px 64px;align-items:center}
.orgs .grp{display:flex;flex-direction:column;align-items:center;gap:14px}
.orgs .grp>span{font:700 .72rem/1 var(--label);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.orgs .logos{display:flex;gap:30px;align-items:center}
.orgs .logos img{height:72px;width:auto}
.orgs .logos img.asmra{height:38px}
.orgs .mrx{background:var(--c-900);border-radius:12px;padding:16px 22px}
.orgs .mrx img{height:44px;width:auto}

/* footer */
.foot{background:var(--c-950);color:var(--on-dark-soft);padding:64px 0 28px;font-size:.94rem}
.foot-in{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot img{height:60px;width:auto;margin-bottom:18px}
.foot .motto{font:700 .76rem/1.5 var(--label);letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}
.foot h4{font:700 .76rem/1 var(--label);letter-spacing:.18em;text-transform:uppercase;color:#fff;margin:0 0 16px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin-bottom:9px}
.foot a{text-decoration:none;color:var(--on-dark-soft)}
.foot a:hover{color:var(--gold)}
.foot .social{display:flex;gap:10px;margin-top:18px}
.foot .social a{width:36px;height:36px;border:1px solid rgba(255,255,255,.22);border-radius:50%;display:grid;place-items:center;font-size:.72rem;font-weight:700}
.foot .social a:hover{background:var(--gold);color:var(--c-950);border-color:var(--gold)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;font-size:.84rem}

/* sticky pass bar on phones */
.bar-m{display:none}

/* reveal on scroll */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  .gear{animation:none!important}
  html{scroll-behavior:auto}
}

@media (max-width:1100px){
  .links{display:none}
  .menu{display:block}
  .nav .btn{display:none}
  .nav.open .links{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--c-950);padding:10px 28px 22px;margin:0}
  .nav.open .links a{padding:16px 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .brand img{height:50px}
  .nav.solid .brand img{height:44px}
  .orgs{grid-template-columns:1fr}
  .orgs .logos img{height:58px}
  .orgs .logos img.asmra{height:30px}
  .foot-in{grid-template-columns:1fr}
  .bar-m{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;align-items:center;justify-content:space-between;gap:12px;
    background:var(--c-950);padding:12px 18px calc(12px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px rgba(0,0,0,.25);
    transform:translateY(110%);transition:transform .3s ease}
  .bar-m.show{transform:none}
  .bar-m span{color:var(--on-dark-soft);font-size:.82rem;line-height:1.3}
  .bar-m b{display:block;color:#fff;font-size:1rem}
  .bar-m .btn{padding:13px 18px}
  .foot{padding-bottom:110px}
}
@media print{.nav,.bar-m,.foot,.orgs-band{display:none}}