/* K and P Ultra Tires — premium dark system, aligned to the Vision AI design tokens:
   cosmos ink base, near-solid cards, one gold accent, Inter throughout. */
:root{
  --ink:#0B0B14; --ink-2:#11121C; --cosmos-1:#1A1B33; --cosmos-2:#0E0F1D;
  --card:rgba(24,25,39,.84); --card-solid:#1B1C28; --panel:rgba(22,23,34,.72);
  --line:rgba(255,255,255,.09); --line-soft:rgba(255,255,255,.06); --line-strong:rgba(255,255,255,.14);
  --fg:#fff; --muted:#C8CBD8; --muted-2:#B0B4C4;
  --gold:#E3B77A; --gold-hi:#EFC98F; --gold-ink:#0B0B14; --orb:#8E7CFF;
  --at:#E3B77A; --truck:#8CAEEC; --suv:#A8C7A5; --car:#C9A7FF;
  --sage-l:#A8C7A5; --danger:#FF8A7A;
  --r:22px; --wrap:1240px; --hdr:68px;
  --body:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --head:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --shadow:0 12px 40px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 12px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;color:var(--fg);font:400 16px/1.6 var(--body);text-rendering:optimizeLegibility;
  background:linear-gradient(180deg,var(--cosmos-1) 0,var(--cosmos-2) 420px,var(--ink) 100%);background-color:var(--ink)}
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='520' height='520'%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='42' cy='68' r='1.4' opacity='.8'/%3E%3Ccircle cx='150' cy='30' r='1' opacity='.5'/%3E%3Ccircle cx='268' cy='96' r='1.2' opacity='.65'/%3E%3Ccircle cx='390' cy='44' r='1' opacity='.45'/%3E%3Ccircle cx='486' cy='120' r='1.5' opacity='.85'/%3E%3Ccircle cx='84' cy='210' r='1' opacity='.5'/%3E%3Ccircle cx='210' cy='176' r='1.4' opacity='.75'/%3E%3Ccircle cx='330' cy='238' r='1' opacity='.55'/%3E%3Ccircle cx='452' cy='196' r='1.2' opacity='.6'/%3E%3Ccircle cx='120' cy='360' r='1.3' opacity='.7'/%3E%3Ccircle cx='286' cy='330' r='1' opacity='.5'/%3E%3Ccircle cx='420' cy='392' r='1.4' opacity='.8'/%3E%3C/g%3E%3C/svg%3E")}
main,footer{position:relative;z-index:1}
::selection{background:rgba(227,183,122,.35)}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--head);font-weight:800;letter-spacing:-.02em;line-height:1.04;margin:0}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 28px}}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--gold);color:var(--gold-ink);padding:10px 14px;border-radius:8px;font-weight:700}
.skip:focus{top:12px}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.js-only{display:none}
.js .js-only{display:block}
.js .hero__nojs{display:none}
.eyebrow{font:700 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.ico{flex:none}

/* buttons — gold pill CTA per the design system */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:99px;border:1px solid transparent;
  font:650 16px/1 var(--body);letter-spacing:.01em;text-decoration:none;cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.btn:active{transform:scale(.94)}
.btn--red{background:var(--gold);color:var(--gold-ink)}
.btn--red:hover{background:var(--gold-hi);transform:translateY(-1px)}
.btn--ghost{border-color:var(--line-strong);background:transparent;color:var(--fg)}
.btn--ghost:hover{background:rgba(255,255,255,.08)}
.btn--block{width:100%}
.btn--lg{min-height:54px;font-size:17px}
.btn .ico{transition:transform .25s var(--ease)}
.btn:hover .ico{transform:translateX(3px)}

/* promo + header */
.promo{position:relative;z-index:1;background:var(--gold);color:var(--gold-ink);font-size:14px;text-align:center}
.promo p{padding:8px 0}
.hdr{position:sticky;top:0;z-index:50;background:rgba(11,11,20,.78);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--fg);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:20px;height:var(--hdr)}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 20px/1 var(--head);letter-spacing:-.02em;white-space:nowrap}
.logo__tire{flex:none}
.nav{display:none;gap:24px;margin-left:auto}
.nav a{text-decoration:none;font-weight:600;font-size:15px;color:var(--muted)}
.nav a:hover{color:var(--fg)}
.hdr__cta{display:flex;align-items:center;gap:10px;margin-left:auto}
.hdr__cta .btn{min-height:42px;padding:0 16px;font-size:15px}
.hdr__call span{display:none}
@media (min-width:1080px){.nav{display:flex}.hdr__cta{margin-left:20px}.hdr__call span{display:inline}}
@media (max-width:420px){.logo{font-size:17px}.logo__tire{width:28px;height:28px}.hdr__in{gap:10px}.hdr__cta .btn{padding:0 14px;font-size:14px}}

/* hero */
.hero{position:relative;color:var(--fg);overflow:hidden;
  background:radial-gradient(1000px 560px at 84% 36%,rgba(142,124,255,.13),transparent 62%),radial-gradient(700px 420px at 8% 110%,rgba(227,183,122,.07),transparent 60%)}
.hero__in{position:relative;display:grid;gap:32px;padding:40px 16px 48px}
@media (min-width:768px){.hero__in{padding:56px 28px 64px}}
@media (min-width:1024px){.hero__in{grid-template-columns:1.1fr .9fr;align-items:center;gap:56px;padding:80px 28px 88px}}
.hero__copy{position:relative;z-index:2}
.hero h1{font-size:clamp(44px,8vw,84px);margin:14px 0 18px}
.hero h1 span{color:var(--gold)}
.hero__sub{font-size:18px;color:var(--muted);max-width:560px}
.hero__sub b{color:var(--fg)}
.hero__ticks{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.hero__ticks li{display:flex;align-items:center;gap:10px;font-weight:600}
.hero__ticks .ico{color:var(--gold)}
.hero__nojs{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero__tire{position:absolute;right:-180px;top:50%;width:520px;height:520px;margin-top:-260px;opacity:.13;z-index:0;pointer-events:none}
@media (min-width:1024px){.hero__tire{right:-140px;opacity:.18}}
.mo .hero__tire{animation:spin 70s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* finder */
.finder{position:relative;z-index:2;background:var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  color:var(--fg);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
@media (min-width:768px){.finder{padding:26px}}
.finder__title{display:flex;align-items:center;gap:8px;font:800 21px/1 var(--head);letter-spacing:-.01em;margin-bottom:14px}
.finder__title .ico{color:var(--gold)}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;background:rgba(255,255,255,.05);border-radius:12px;padding:4px;margin-bottom:16px}
.tabs button{min-height:42px;border:0;border-radius:9px;background:transparent;font-weight:650;font-size:15px;cursor:pointer;color:var(--muted)}
.tabs button[aria-selected=true]{background:#fff;color:var(--ink)}
.fpanel,.fpanel__form{display:grid;gap:12px}
.fpanel[hidden]{display:none}
.fpanel label{display:grid;gap:6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.fpanel__row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.fpanel__note{font-size:14px;color:var(--muted)}
.fpanel__note a{color:var(--gold);font-weight:600}
.fpanel__types{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fpanel__types .chip{min-height:52px;font-size:15px}
select,input,textarea{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:#12131E;padding:10px 12px;font-size:16px;text-transform:none;letter-spacing:0;font-weight:500;color:var(--fg)}
select::placeholder,input::placeholder,textarea::placeholder{color:var(--muted-2)}
select:disabled{background:var(--ink-2);color:var(--muted-2)}
textarea{resize:vertical;min-height:96px}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(227,183,122,.28)}

/* perks */
.perks{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:rgba(255,255,255,.02);color:var(--fg)}
.perks__in{display:grid;grid-template-columns:1fr 1fr;gap:18px 16px;padding-top:22px;padding-bottom:22px}
@media (min-width:900px){.perks__in{grid-template-columns:repeat(4,1fr)}}
.perk{display:flex;gap:12px;align-items:flex-start}
.perk .ico{color:var(--gold);margin-top:2px}
.perk b{display:block;font:800 16px/1.15 var(--head);letter-spacing:-.01em}
.perk span{display:block;font-size:14px;color:var(--muted);line-height:1.4;margin-top:3px}

/* sections */
.sec{padding:64px 0}
@media (min-width:768px){.sec{padding:88px 0}}
.sec--light{background:rgba(255,255,255,.025);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec--dark{background:rgba(11,11,20,.45)}
.sec__head{margin-bottom:32px;max-width:720px}
.sec__head h2{font-size:clamp(32px,5vw,52px);margin-top:10px}
.sec__sub{margin-top:12px;color:var(--muted);font-size:17px}
.sec__head--row{max-width:none;display:grid;gap:20px}

/* type tiles */
.types{display:grid;gap:14px}
@media (min-width:640px){.types{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.types{grid-template-columns:repeat(4,1fr)}}
.type{position:relative;display:grid;grid-template-columns:96px 1fr;column-gap:16px;align-items:center;padding:18px;border-radius:var(--r);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none;
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease)}
.type__art{grid-row:1 / span 3;width:96px;height:96px}
.type__name{font:800 21px/1.1 var(--head);letter-spacing:-.01em}
.type__blurb{font-size:14px;color:var(--muted);line-height:1.45;margin:6px 0 8px}
.type__from{display:flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--muted)}
.type__from b{color:var(--gold)}
.type__from .ico{margin-left:auto;color:var(--gold);transition:transform .25s var(--ease)}
@media (min-width:1100px){.type{grid-template-columns:1fr;grid-template-rows:auto auto 1fr auto;align-items:start;padding:22px}.type__from{align-self:end}.type__art{grid-row:auto;width:120px;height:120px;margin-bottom:14px}}
.type:hover{border-color:var(--line-strong)}
.type:hover .type__from .ico{transform:translateX(4px)}
.mo .type:hover{transform:translateY(-3px)}
.mo .type:hover .type__art{transform:rotate(30deg);transition:transform .6s var(--ease)}

/* filters */
.filters{display:grid;gap:12px}
.js .filters{display:grid}
@media (min-width:640px){.js .filters{grid-template-columns:1fr auto;align-items:center}}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:40px;padding:0 16px;border-radius:99px;border:1px solid var(--line-strong);background:transparent;color:var(--muted);font-weight:650;font-size:14px;cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease)}
.chip:hover{border-color:var(--gold);color:var(--fg)}
.chip[aria-pressed=true]{background:var(--gold);border-color:var(--gold);color:var(--gold-ink)}
.sort{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--muted)}
.sort select{min-height:40px;width:auto;padding:6px 10px}
.result{min-height:24px;margin:-8px 0 16px;font-weight:600}
.result button{border:0;background:none;color:var(--gold);font-weight:700;text-decoration:underline;cursor:pointer;padding:0 4px}

/* tire cards */
.grid{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:560px){.grid{grid-template-columns:1fr 1fr}}
@media (min-width:900px){.grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1200px){.grid{grid-template-columns:repeat(4,1fr)}}
.tire{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);background:var(--card);box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease)}
.tire[hidden]{display:none}
.tire:hover{border-color:var(--line-strong)}
.mo .tire:hover{transform:translateY(-3px)}
.tire:target{border-color:var(--gold);box-shadow:0 0 0 3px rgba(227,183,122,.3)}
.tire__img{position:relative;display:grid;place-items:center;height:200px;background:radial-gradient(circle at 50% 55%,#262736 0,#15161F 72%)}
.tire__art{width:168px;height:168px;user-select:none;filter:drop-shadow(0 12px 14px rgba(0,0,0,.35))}
.mo .tire__art{transition:transform .9s var(--ease)}
.mo .tire:hover .tire__art{transform:rotate(45deg)}
.badge{position:absolute;top:12px;left:12px;padding:5px 10px;border-radius:99px;background:rgba(11,11,20,.66);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);color:var(--fg);font:700 11px/1 var(--body);letter-spacing:.08em;text-transform:uppercase}
.badge--at{color:var(--at)} .badge--truck{color:var(--truck)} .badge--suv{color:var(--suv)} .badge--car{color:var(--car)}
.badge--rwl{left:auto;right:12px;color:var(--gold);border-color:rgba(227,183,122,.4)}
.tire__body{display:flex;flex-direction:column;gap:8px;padding:18px;flex:1}
.tire__brand{font:700 11px/1 var(--body);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.tire__name{font-size:23px}
.tire__size{font:800 21px/1.1 var(--head);letter-spacing:-.01em}
.tire__size span{display:block;font:500 13px/1.4 var(--body);color:var(--muted);margin-top:3px}
.tire__fits{font-size:14px;line-height:1.45;color:var(--fg)}
.tire__fits span{font-weight:700;color:var(--muted-2);text-transform:uppercase;font-size:11px;letter-spacing:.08em;margin-right:4px}
.tire__price{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line-soft)}
.tire__price strong{font:800 32px/1 var(--head);color:var(--gold)}
.tire__price span{font-size:14px;color:var(--muted);margin-left:2px}
.tire__set{font-size:14px;color:var(--muted)}
.tire__set b{color:var(--fg)}
.tire__stock{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--sage-l)}
.empty{padding:28px;text-align:center;border:1.5px dashed var(--line-strong);border-radius:var(--r);font-weight:600}
.empty a{color:var(--gold)}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:14px;counter-reset:s}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.steps{grid-template-columns:repeat(4,1fr)}}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:24px}
.steps__n{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--gold);color:var(--gold-ink);font:800 21px/1 var(--head);margin-bottom:16px}
.steps h3{font-size:23px;margin-bottom:8px}
.steps p{color:var(--muted)}

/* size guide */
.size__code{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:22px}
@media (min-width:768px){.size__code{grid-template-columns:auto auto auto auto 1fr}}
.size__code div{background:var(--card-solid);border:1px solid var(--line);border-radius:16px;padding:18px 20px}
.size__code div:last-child{grid-column:1 / -1}
@media (min-width:768px){.size__code div:last-child{grid-column:auto}}
.size__code b{display:block;font:800 clamp(32px,5vw,48px)/1 var(--head);color:var(--fg)}
.size__code div:nth-child(2) b{color:var(--gold)}
.size__code span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}
.size__tip{color:var(--muted);max-width:720px}
.size__tip a,.sec__sub a{color:var(--gold);font-weight:600}

/* fitment table */
.fit{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card);box-shadow:var(--shadow)}
.fit table{width:100%;border-collapse:collapse;min-width:560px;font-size:15px}
.fit th,.fit td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
.fit thead th{background:rgba(255,255,255,.04);color:var(--fg);font:700 13px/1.2 var(--body);letter-spacing:.08em;text-transform:uppercase}
.fit tbody tr:last-child th,.fit tbody tr:last-child td{border-bottom:0}
.fit tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.fit td:nth-child(2){white-space:nowrap;color:var(--muted)}
.fit td a{display:inline-block;margin:2px 6px 2px 0;padding:3px 9px;border-radius:99px;background:rgba(255,255,255,.05);border:1px solid var(--line);text-decoration:none;font-weight:700;font-size:14px;white-space:nowrap}
.fit td a:hover{border-color:var(--gold);color:var(--gold)}

/* faq */
.faq__list{display:grid;gap:10px;max-width:880px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:16px}
.faq summary{list-style:none;cursor:pointer;padding:18px 52px 18px 20px;position:relative;font-weight:650;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;margin-top:-8px;border-right:2.5px solid var(--gold);border-bottom:2.5px solid var(--gold);transform:rotate(45deg);transition:transform .25s var(--ease)}
.faq details[open] summary::after{transform:rotate(225deg);margin-top:-2px}
.faq details p{padding:0 20px 20px;color:var(--muted)}
.faq details a{color:var(--gold);font-weight:600}

/* quote form */
.quote__in{display:grid;gap:36px}
@media (min-width:1024px){.quote__in{grid-template-columns:.9fr 1.1fr;align-items:start;gap:64px}}
.quote__copy h2{font-size:clamp(36px,5.5vw,58px);margin:10px 0 16px}
.quote__copy>p{color:var(--muted);font-size:17px;max-width:520px}
.quote__direct{margin-top:22px;font-weight:600}
.quote__direct a{color:var(--fg);display:inline-flex;align-items:center;gap:6px}
.qform{display:grid;gap:14px;background:var(--panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  color:var(--fg);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
@media (min-width:768px){.qform{padding:30px}}
.qform label{display:grid;gap:6px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.qform__row{display:grid;gap:14px}
@media (min-width:640px){.qform__row{grid-template-columns:1fr 1fr}.qform__row .grow{grid-column:auto}.qform__row:has(.grow){grid-template-columns:1fr 120px}}
.qform [aria-invalid=true]{border-color:var(--danger)}
.qform__msg{min-height:22px;font-weight:600}
.qform__msg.ok{color:var(--sage-l)}
.qform__msg.err{color:var(--danger)}
.qform__fine{font-size:13px;color:var(--muted)}
.qform__fine a{color:inherit}
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

/* footer */
.ftr{background:rgba(11,11,20,.6);color:var(--muted);border-top:1px solid var(--line);font-size:15px}
.ftr__in{display:grid;gap:28px;padding-top:48px;padding-bottom:36px}
@media (min-width:768px){.ftr__in{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.logo--ftr{color:var(--fg);margin-bottom:12px}
.ftr__h{font:700 13px/1 var(--body);text-transform:uppercase;letter-spacing:.1em;color:var(--fg);margin-bottom:12px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.ftr a{text-decoration:none}
.ftr a:hover{color:var(--gold)}
.ftr__contact{margin-top:10px}
.ftr__contact a{display:inline-flex;align-items:center;gap:6px;color:var(--fg)}
.ftr__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:18px;padding-bottom:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2)}

/* small pages */
.page__main{min-height:60vh}
.page__in{max-width:720px}
.page__in h1{font-size:clamp(40px,7vw,64px);margin:12px 0 18px}
.page__in p{margin-bottom:14px;font-size:17px;color:var(--muted)}
.page__in p:has(.btn){color:var(--fg)}

/* reveal: only with JS + motion allowed (html.mo); a sweep in site.js shows anything left after load */
.mo .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.mo .reveal.in{opacity:1;transform:none}
.mo .grid .tire.reveal{transition-delay:calc(var(--i,0) * 50ms)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.hdr,.promo,.finder,.hero__tire,.quote,.filters{display:none!important}body{background:#fff;color:#000}}