/* ============================================================
   The Business of Racing — site styles  ·  "Night Circuit" system
   ============================================================ */
:root{
  --ink:#05080F; --carbon:#0B1018; --carbon-2:#0F1826; --carbon-3:#152234;
  --racing:#0B2A4A; --electric:#2E9BFF; --electric-soft:#7CC4FF;
  --signal:#E11D0E; --signal-2:#FF3B2F;
  --paper:#EEF3FA; --muted:#8A99AD; --line:rgba(255,255,255,.10);
  --accent:var(--electric);
  --font-display:'Saira Condensed', sans-serif;
  --font-body:'Saira', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
  --maxw:1240px;
  --nav-h:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--ink);color:var(--paper);
  font-family:var(--font-body);font-size:18px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---- type ---- */
h1,h2,h3{font-family:var(--font-display);text-transform:uppercase;font-weight:700;margin:0;line-height:.98;letter-spacing:.004em}
.eb{font-family:var(--font-mono);font-size:17px;letter-spacing:.24em;text-transform:uppercase;color:var(--accent);font-weight:700;display:inline-flex;align-items:center;gap:12px}
.eb::before{content:"";width:26px;height:2px;background:var(--accent)}
.eb.center{justify-content:center}
.lead{font-size:21px;line-height:1.55;color:#C3CEDC;font-weight:400}
.muted{color:var(--muted)}
.accent{color:var(--accent)}
.mono{font-family:var(--font-mono)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:14px;letter-spacing:.14em;text-transform:uppercase;font-weight:500;padding:15px 26px;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:.18s ease;white-space:nowrap}
.btn-primary{background:var(--signal);color:#0a0a0a;font-weight:600}
.btn-primary:hover{background:var(--signal-2);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--paper)}
.btn-ghost:hover{border-color:var(--electric);color:var(--electric-soft)}
.btn-block{display:flex;width:100%;justify-content:center}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;
  background:rgba(5,8,15,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;width:100%}
.brand{font-family:var(--font-mono);font-size:13.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;display:flex;align-items:center;gap:10px;white-space:nowrap}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--signal);box-shadow:0 0 12px var(--signal)}
.brand b{color:var(--electric-soft);font-weight:600}
.navlinks{display:flex;align-items:center;gap:34px}
.navlinks a{font-family:var(--font-mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);transition:.15s;white-space:nowrap}
.navlinks a:hover,.navlinks a.active{color:var(--paper)}
.navlinks a.active{color:var(--electric-soft)}
.navlinks a.btn-primary{color:#0a0a0a}
.navlinks a.btn-primary:hover{color:#0a0a0a}
.nav-cta{margin-left:6px}
.langsw{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;margin-left:10px}
.langsw a{color:var(--muted);transition:.15s}
.langsw a:hover{color:var(--paper)}
.langsw a.active{color:var(--electric-soft)}
.langsw .sep{color:rgba(255,255,255,.22)}
.navtoggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;color:var(--paper);padding:9px 12px;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;cursor:pointer}

/* ---- sections ---- */
section{position:relative}
.band{padding:104px 0}
.band.tight{padding:74px 0}
.band-head{max-width:760px;margin-bottom:54px}
.band-head h2{font-size:clamp(34px,4.4vw,58px);margin-top:18px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* ---- cards ---- */
.card{background:linear-gradient(180deg,var(--carbon-2),var(--carbon));border:1px solid var(--line);border-radius:14px;padding:32px 30px;display:flex;flex-direction:column;gap:13px;transition:.2s}
.card:hover{border-color:rgba(124,196,255,.32);transform:translateY(-2px)}
.card .k{font-family:var(--font-mono);font-size:13px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase}
.card h3{font-size:27px}
.card p{margin:0;color:#AFBCCC;font-size:16.5px;line-height:1.55}
.bignum{font-family:var(--font-display);font-weight:800;line-height:.82;color:#fff;font-size:64px}
.ghostnum{font-family:var(--font-display);font-weight:800;color:transparent;-webkit-text-stroke:2px rgba(124,196,255,.30);font-size:80px;line-height:.8}

/* ---- hero ---- */
.hero{position:relative;min-height:calc(100vh - var(--nav-h));display:flex;align-items:flex-end;overflow:hidden}
.hero .bg{position:absolute;inset:0}
.hero .bg img,.hero .bg video{width:100%;height:100%;object-fit:cover;object-position:62% 50%}
.hero .scrim{position:absolute;inset:0;background:
  linear-gradient(90deg,rgba(5,8,15,.95) 0%,rgba(5,8,15,.72) 36%,rgba(5,8,15,.08) 72%),
  linear-gradient(0deg,rgba(5,8,15,.92) 2%,rgba(5,8,15,0) 46%)}
.hero .wrap{position:relative;z-index:2;padding-bottom:84px;padding-top:60px;width:100%}
.hero h1{font-size:clamp(52px,9vw,128px);font-weight:800;line-height:.9}
.hero .tag{font-family:var(--font-mono);font-size:clamp(14px,1.6vw,20px);letter-spacing:.14em;text-transform:uppercase;color:var(--electric-soft);margin-top:24px}
.hero .herobtns{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.scanlines::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);background-size:84px 84px}

/* ---- page header (interior pages) ---- */
.pagehero{position:relative;padding:96px 0 70px;border-bottom:1px solid var(--line);overflow:hidden}
.pagehero .bg{position:absolute;inset:0;opacity:.32}
.pagehero .bg img{width:100%;height:100%;object-fit:cover;object-position:50% 42%}
.pagehero .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.55),var(--ink))}
.pagehero .wrap{position:relative;z-index:2}
.pagehero h1{font-size:clamp(44px,6.5vw,84px);font-weight:800;margin-top:18px}
.pagehero .lead{margin-top:24px;max-width:640px}

/* ---- stat row ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.stats .stat{background:var(--carbon);padding:30px 26px}
.stats .stat .n{font-family:var(--font-display);font-weight:800;font-size:48px;line-height:1;color:#fff}
.stats .stat .l{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:10px}

/* ---- schedule ---- */
.sched{display:flex;align-items:baseline;gap:24px;padding:15px 0;border-bottom:1px solid var(--line);font-family:var(--font-mono);font-size:16px}
.sched .tc{color:var(--electric-soft);font-weight:500;min-width:74px}
.sched .lb{color:#E6ECF4}
.sched.pit .lb,.sched.pit .tc{color:var(--muted)}
.sched.flag .tc{color:var(--signal)}
.sched.flag .lb{color:#fff;font-weight:600;font-family:var(--font-body)}

/* ---- feature split ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .media{border-radius:16px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--carbon)}
.split .media img{width:100%;height:100%;object-fit:cover}

/* ---- CTA band ---- */
.cta{position:relative;overflow:hidden;border-radius:20px;border:1px solid var(--line);
  background:radial-gradient(130% 120% at 82% 120%,rgba(46,155,255,.20),transparent 56%),linear-gradient(180deg,#0A111C,#070B12);padding:64px 56px}
.cta h2{font-size:clamp(32px,4.6vw,56px);font-weight:800}

/* ---- form ---- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{
  background:var(--carbon);border:1px solid var(--line);border-radius:9px;color:var(--paper);
  font-family:var(--font-body);font-size:16px;padding:14px 15px;transition:.15s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--electric);box-shadow:0 0 0 3px rgba(46,155,255,.16)}
.field textarea{resize:vertical;min-height:120px}

/* ---- contact card ---- */
.contactcard{background:linear-gradient(180deg,var(--carbon-2),var(--carbon));border:1px solid var(--line);border-radius:16px;padding:36px 34px;display:flex;flex-direction:column;gap:22px}
.contactrow{display:flex;flex-direction:column;gap:4px}
.contactrow .ck{font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.contactrow .cv{font-size:19px}

/* ---- footer ---- */
.footer{border-top:1px solid var(--line);padding:54px 0 40px;background:var(--carbon)}
.footer .wrap{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.footer .fbrand{font-family:var(--font-display);font-weight:800;text-transform:uppercase;font-size:30px}
.footer .fmeta{font-family:var(--font-mono);font-size:13px;color:var(--muted);line-height:1.9;letter-spacing:.04em}
.footer .flinks{display:flex;gap:28px;font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.footer .flinks a{color:var(--muted)}
.footer .flinks a:hover{color:var(--paper)}
.footer .fdisclaimer{flex-basis:100%;width:100%;margin:26px 0 0;padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;line-height:1.75;letter-spacing:.02em;color:rgba(138,153,173,.72);max-width:none}

/* ---- responsive video embed (16:9) ---- */
.videoframe{position:relative;width:100%;aspect-ratio:16/9;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--carbon)}
.videoframe iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---- responsive ---- */
@media (max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .split .media{aspect-ratio:16/10}
  .split.rev .media{order:-1}
}
@media (max-width:760px){
  .navlinks{position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(5,8,15,.97);border-bottom:1px solid var(--line);padding:8px 0;display:none}
  .navlinks.open{display:flex}
  .navlinks a{padding:15px 32px}
  .nav-cta{display:none}
  .navtoggle{display:inline-block}
  .band{padding:72px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .form{grid-template-columns:1fr}
  .cta{padding:44px 28px}
  .wrap{padding:0 22px}
  .footer .wrap{flex-direction:column}
}

/* ---- programme gate (teaser fade to enquiry) ---- */
.gate{position:relative;max-height:640px;overflow:hidden}
.gate::after{content:"";position:absolute;left:0;right:0;bottom:0;height:420px;
  background:linear-gradient(180deg,rgba(5,8,15,0) 0%,rgba(5,8,15,.55) 42%,rgba(5,8,15,.92) 78%,var(--ink) 100%);
  pointer-events:none}
@media (max-width:760px){.gate{max-height:560px}}