/* =========================================================================
   Sponsor My Harrier.ev — dark cinematic automotive
   Near-black canvas, the car lit as the hero, light type, champagne accent.
   Inter throughout; JetBrains Mono reserved for specs and figures.
   ========================================================================= */

:root{
  --bg:#0a0c10;
  --bg-2:#0e1116;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.20);
  --ink:#f3f6fa;
  --ink-2:#c3cbd6;
  --muted:#8e99a8;            /* 7.2:1 on --bg */
  --accent:#e3bd76;           /* champagne — 10:1 on --bg */
  --accent-2:#f0d7a6;
  --on-accent:#0a0c10;
  --danger:#ff8f8f;

  --t-body:1.0625rem;
  --s1:8px; --s2:16px; --s3:24px; --s4:40px; --s5:64px; --s6:96px; --s7:128px;
  --wrap:1200px;
  --r:14px; --r-sm:10px;
  --ease:cubic-bezier(.2,.7,.25,1);
  --fast:200ms var(--ease);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:400 var(--t-body)/1.65 Inter,system-ui,-apple-system,sans-serif;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
::selection{background:var(--accent);color:var(--on-accent)}

/* ---------- type ---------- */
h1,h2,h3{margin:0 0 .5em;letter-spacing:-.035em;line-height:1.04;font-weight:500}
h1{font-size:clamp(2.5rem,5.6vw,4.25rem);font-weight:450}
h2{font-size:clamp(1.9rem,3.4vw,2.9rem)}
h3{font-size:1.25rem;font-weight:600;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 1em}
a{color:inherit}

.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
.num{font-family:"JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.label{font-size:.6875rem;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);font-weight:500}
.lede{font-size:clamp(1.0625rem,1.35vw,1.25rem);line-height:1.6;color:var(--ink-2);
  max-width:56ch;font-weight:300}
.fine{font-size:.8125rem;line-height:1.55;color:var(--muted)}
.muted{color:var(--muted)}
.accent{color:var(--accent)}

/* ---------- layout ---------- */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--s3)}
section{padding:var(--s7) 0}
.sec-head{max-width:62ch;margin-bottom:var(--s5)}
.sec-head .label{display:block;margin-bottom:var(--s2)}
.sec-head p{color:var(--muted);margin:0;font-weight:300}
.skip{position:absolute;left:-9999px}
.skip:focus{left:var(--s2);top:var(--s2);background:var(--accent);color:var(--on-accent);
  padding:12px 18px;z-index:99;border-radius:var(--r-sm)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}

/* ---------- icons ---------- */
.i{width:20px;height:20px;stroke:currentColor;stroke-width:1.5;fill:none;
  stroke-linecap:round;stroke-linejoin:round;flex:none}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(10,12,16,.72);
  backdrop-filter:blur(16px) saturate(140%);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:var(--s3);max-width:var(--wrap);margin:0 auto;padding:14px var(--s3)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:1rem;letter-spacing:-.02em}
.brand-mark{width:9px;height:9px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 12px rgba(227,189,118,.8);flex:none}
.nav nav{display:flex;gap:var(--s3);margin-left:auto}
.nav nav a{font-size:.875rem;color:var(--muted);text-decoration:none;font-weight:400;
  padding:8px 0;transition:color var(--fast)}
.nav nav a:hover{color:var(--ink)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:50px;padding:15px 28px;border:1px solid transparent;border-radius:999px;
  background:var(--accent);color:var(--on-accent);font:600 .9375rem/1 Inter,sans-serif;
  letter-spacing:-.01em;text-decoration:none;cursor:pointer;
  transition:background var(--fast),border-color var(--fast),transform var(--fast),box-shadow var(--fast)}
.btn:hover{background:var(--accent-2);transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(227,189,118,.6)}
.btn:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--ink-2);box-shadow:none}
.btn-sm{min-height:40px;padding:11px 20px;font-size:.875rem}
.btn-lg{min-height:56px;padding:18px 34px;font-size:1rem}
.btn-block{display:flex;width:100%}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:var(--s4)}

/* ---------- hero ---------- */
.hero{position:relative;padding:var(--s4) 0 var(--s3);text-align:left}
.hero::before{content:"";position:absolute;inset:-20% 0 auto;height:70vh;pointer-events:none;
  background:radial-gradient(60% 55% at 50% 0%,rgba(227,189,118,.10),transparent 70%)}
.hero .wrap{position:relative}
.kicker{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;margin-bottom:var(--s3);background:var(--surface)}
.kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none}
.hero h1{max-width:24ch}
.hero h1 em{font-style:normal;color:var(--accent)}

/* ---------- full-bleed stage ---------- */
.stage-wrap{position:relative;margin-top:0}
.stage{position:relative;height:clamp(380px,58vh,600px);
  background:radial-gradient(70% 90% at 50% 62%,#151a21 0%,var(--bg) 72%)}
.stage::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,var(--bg) 0%,transparent 10%,transparent 82%,var(--bg) 100%)}
#scene{display:block;width:100%;height:100%;touch-action:none}
.stage-tag{position:absolute;left:0;right:0;top:var(--s3);text-align:center;pointer-events:none}
.stage-hint{position:absolute;left:0;right:0;bottom:var(--s3);text-align:center;pointer-events:none}

/* control dock under the car */
.dock{position:relative;z-index:2;margin:calc(var(--s4) * -1) auto 0;max-width:var(--wrap);
  display:grid;grid-template-columns:1.1fr 1.3fr 1fr;gap:var(--s3);
  background:rgba(16,20,26,.72);backdrop-filter:blur(20px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--r);padding:var(--s3)}
.dock fieldset{border:0;padding:0;margin:0;min-width:0}
.dock legend{padding:0;margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:.6875rem;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);font-weight:500}
.dock legend b{color:var(--accent);font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{min-height:38px;border:1px solid var(--line);border-radius:999px;background:transparent;
  color:var(--ink-2);padding:9px 15px;font:400 .8125rem/1 Inter,sans-serif;cursor:pointer;
  transition:background var(--fast),color var(--fast),border-color var(--fast)}
.chip:hover{background:var(--surface-2);color:var(--ink)}
.chip[aria-checked=true]{background:var(--accent);color:var(--on-accent);border-color:var(--accent);font-weight:600}
.file{display:flex;align-items:center;gap:12px;border:1px dashed var(--line-2);border-radius:var(--r-sm);
  padding:13px 16px;cursor:pointer;color:var(--muted);transition:border-color var(--fast),color var(--fast)}
.file:hover{border-color:var(--accent);color:var(--ink)}
.file input{display:none}
.file span{font-size:.8125rem}
.row{display:flex;align-items:flex-start;gap:10px;margin-top:12px;font-size:.875rem;
  color:var(--ink-2);min-height:44px}
.row input[type=checkbox]{margin-top:3px;width:17px;height:17px;accent-color:var(--accent);flex:none}
.tag{display:inline-block;border:1px solid var(--line-2);border-radius:999px;color:var(--accent);
  font-size:.6875rem;padding:2px 9px;letter-spacing:.04em}
.swatches{display:flex;gap:10px;flex-wrap:wrap}
.swatch{width:40px;height:40px;border-radius:50%;border:1px solid var(--line-2);cursor:pointer;padding:0;
  transition:transform var(--fast)}
.swatch:hover{transform:scale(1.08)}
.swatch[aria-checked=true]{outline:2px solid var(--accent);outline-offset:3px}
.dock-note{margin:12px 0 0}

/* funding meter */
.meter{margin-top:var(--s5);border:1px solid var(--line);border-radius:var(--r);
  background:var(--surface);padding:var(--s3) var(--s4);max-width:760px}
.meter-top{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.meter-top .big{font-size:clamp(1.75rem,3.4vw,2.5rem);font-weight:500;letter-spacing:-.045em}
.bar{height:4px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 16px rgba(227,189,118,.55);transition:width 800ms var(--ease)}
.meter .fine{margin:14px 0 0}

/* ---------- specs ---------- */
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.specs div{background:var(--bg-2);padding:var(--s3)}
.specs dt{font-size:.6875rem;text-transform:uppercase;letter-spacing:.18em;color:var(--muted);font-weight:500}
.specs dd{margin:12px 0 0;font-size:1.625rem;font-weight:500;letter-spacing:-.04em;
  font-variant-numeric:tabular-nums}
.specs dd small{font-weight:400;font-size:.8125rem;color:var(--muted);letter-spacing:0}

/* ---------- feature grid ---------- */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
.bento article{border:1px solid var(--line);border-radius:var(--r);padding:var(--s4) var(--s3);
  background:linear-gradient(180deg,var(--surface),transparent);transition:border-color var(--fast)}
.bento article:hover{border-color:var(--line-2)}
.bento .i{width:22px;height:22px;color:var(--accent);margin-bottom:var(--s3)}
.bento h3{margin-bottom:10px}
.bento p{margin:0;color:var(--muted);font-size:.9375rem;font-weight:300}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3)}
.tier{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);
  padding:var(--s3);background:linear-gradient(180deg,var(--surface),transparent);
  transition:border-color var(--fast),transform var(--fast)}
.tier:hover{border-color:var(--line-2);transform:translateY(-3px)}
.tier .spot{font-size:.6875rem;text-transform:uppercase;letter-spacing:.18em;color:var(--accent);font-weight:500}
.tier h3{margin:14px 0 0}
.tier .price{font-size:2.25rem;font-weight:450;letter-spacing:-.05em;margin:14px 0 2px;
  font-variant-numeric:tabular-nums}
.tier .per{font-size:.75rem;color:var(--muted);letter-spacing:.02em}
.tier p{color:var(--muted);font-size:.9375rem;font-weight:300;flex:1;margin:var(--s3) 0}
.tier .stock{display:block;margin:0 0 12px;font-weight:500;color:var(--fg)}
.tier-gone{opacity:.55}
.tier-gone:hover{transform:none;border-color:var(--line)}
.tier-gone .stock{color:var(--accent)}
.tier-gone .btn[disabled]{cursor:not-allowed;pointer-events:none}

/* ---------- throne ---------- */
.throne{position:relative;overflow:hidden}
.throne::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(50% 70% at 78% 40%,rgba(227,189,118,.13),transparent 70%)}
.throne-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:var(--s5);align-items:center}
.throne h2 em,.throne .lede em{font-style:normal;color:var(--accent)}
.throne-card{border:1px solid var(--line-2);border-radius:var(--r);padding:var(--s4);
  background:linear-gradient(160deg,rgba(227,189,118,.10),var(--surface) 55%)}
.throne-price{font-size:3.25rem;font-weight:450;letter-spacing:-.05em;line-height:1;
  margin:0 0 var(--s3);font-variant-numeric:tabular-nums}
.king-name{display:block;font-size:1.5rem;font-weight:500;letter-spacing:-.03em;margin:8px 0 4px}
.king-amount{color:var(--muted);font-size:.875rem}

/* ---------- terms ---------- */
.term-list{list-style:none;counter-reset:t;padding:0;margin:0;
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.term-list li{counter-increment:t;background:var(--bg-2);padding:var(--s3);
  color:var(--muted);font-size:.9375rem;font-weight:300}
.term-list li::before{content:counter(t,decimal-leading-zero);display:block;margin-bottom:10px;
  font-family:"JetBrains Mono",monospace;font-size:.75rem;color:var(--accent);letter-spacing:.1em}
.term-list strong{display:block;color:var(--ink);font-weight:500;margin-bottom:6px}

/* ---------- wall ---------- */
.wall-list{list-style:none;padding:0;margin:0;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden}
.wall-list li{display:flex;align-items:center;gap:var(--s3);padding:16px var(--s3);
  background:var(--bg-2);border-bottom:1px solid var(--line)}
.wall-list li:last-child{border-bottom:0}
.wall-list li.empty{justify-content:center;color:var(--muted);font-size:.9375rem;padding:var(--s4)}
.wall-rank{font-family:"JetBrains Mono",monospace;font-size:.75rem;color:var(--muted);min-width:3ch}
.wall-name{font-weight:500}
.wall-name a{color:var(--accent)}
.wall-amt{margin-left:auto;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.wall-list li:first-child:not(.empty){background:linear-gradient(90deg,rgba(227,189,118,.12),var(--bg-2) 60%)}
.wall-list li:first-child:not(.empty) .wall-amt{color:var(--accent)}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:450;padding:var(--s3) 0;list-style:none;
  display:flex;align-items:center;gap:var(--s2);min-height:56px;transition:color var(--fast)}
.faq summary:hover{color:var(--accent)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";margin-left:auto;width:9px;height:9px;flex:none;
  border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);
  transform:rotate(45deg);transition:transform var(--fast)}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq details p{margin:0;padding:0 0 var(--s3);color:var(--muted);font-size:.9375rem;
  font-weight:300;max-width:70ch}

/* ---------- footer ---------- */
footer{padding:var(--s5) 0;border-top:1px solid var(--line)}
footer .wrap{display:grid;gap:12px}
footer strong{font-size:1.0625rem;font-weight:500;letter-spacing:-.02em}
footer .fine{max-width:80ch}

/* ---------- dialog ---------- */
dialog{border:1px solid var(--line-2);border-radius:var(--r);background:var(--bg-2);color:var(--ink);
  padding:0;max-width:460px;width:calc(100% - 32px);box-shadow:0 40px 90px -20px rgba(0,0,0,.8)}
dialog::backdrop{background:rgba(5,7,10,.72);backdrop-filter:blur(6px)}
.dlg-head{border-bottom:1px solid var(--line);padding:var(--s3);display:flex;align-items:flex-start;gap:var(--s2)}
.dlg-head h3{margin:0;font-size:1.375rem;font-weight:500}
.dlg-sub{margin:6px 0 0;font-size:.75rem;color:var(--muted);letter-spacing:.02em}
.dlg-close{margin-left:auto;width:40px;height:40px;border:1px solid var(--line);border-radius:50%;
  background:transparent;cursor:pointer;color:var(--muted);display:grid;place-items:center;
  transition:color var(--fast),border-color var(--fast)}
.dlg-close:hover{color:var(--ink);border-color:var(--line-2)}
.dlg-body{padding:var(--s3)}
dialog label{display:block;margin-bottom:var(--s2);font-size:.6875rem;text-transform:uppercase;
  letter-spacing:.18em;color:var(--muted);font-weight:500}
dialog label[hidden]{display:none}  /* author display:block otherwise beats the hidden attribute */
dialog input:not([type=checkbox]),dialog textarea,dialog select{
  display:block;width:100%;margin-top:8px;min-height:46px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;color:var(--ink);
  font:400 1rem/1.4 Inter,sans-serif;text-transform:none;letter-spacing:normal;
  transition:border-color var(--fast)}
dialog textarea{min-height:70px;resize:vertical}
dialog ::placeholder{color:#6b7787}
dialog select{appearance:none;cursor:pointer;padding-right:38px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%238e99a8' stroke-width='1.5' d='M1 1.5l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:12px}
dialog input:focus,dialog textarea:focus,dialog select:focus{outline:none;border-color:var(--accent)}
.select-row{display:flex;align-items:stretch;gap:10px;margin-top:8px}
.select-chip{width:46px;min-height:46px;border-radius:var(--r-sm);border:1px solid var(--line-2);flex:none}
.select-row select{margin-top:0}
dialog .row{text-transform:none;letter-spacing:normal;font-size:.875rem}
.dlg-total{display:flex;align-items:baseline;gap:10px;border-top:1px solid var(--line);
  margin-top:var(--s3);padding-top:var(--s3)}
.dlg-total strong{margin-left:auto;font-size:1.875rem;font-weight:500;letter-spacing:-.045em;
  font-variant-numeric:tabular-nums}
.dlg-error[hidden]{display:none}
.dlg-error{display:flex;align-items:center;gap:9px;border:1px solid rgba(255,143,143,.4);
  border-radius:var(--r-sm);background:rgba(255,143,143,.08);color:var(--danger);
  padding:11px 13px;font-size:.875rem;margin:var(--s2) 0 0}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .dock{grid-template-columns:1fr 1fr;margin-top:calc(var(--s3) * -1)}
  .dock fieldset:last-of-type{grid-column:1/-1}
  .tier-grid{grid-template-columns:repeat(2,1fr)}
  .bento{grid-template-columns:repeat(2,1fr)}
  .throne-grid{grid-template-columns:1fr;gap:var(--s4)}
  .specs{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav nav{display:none}
  :root{--s6:72px;--s7:88px}
  .dock{grid-template-columns:1fr;margin-top:0;border-radius:var(--r)}
  .dock fieldset:last-of-type{grid-column:auto}
  .bento{grid-template-columns:1fr}
  .term-list{grid-template-columns:1fr}
  .stage{height:46vh;min-height:300px}
}
@media (max-width:520px){
  .tier-grid{grid-template-columns:1fr}
  .cta-row .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:1ms!important;animation-duration:1ms!important}
  html{scroll-behavior:auto}
}