/* Crazy Muffler mockup · MN Design · direction: borrowed-category, a street poster (taste-skill seed from draw 2026-11-09). Palette taken from the subject: cold steel and the straw-gold heat tint a weld leaves on pipe */
:root{
  --display:"Unbounded",system-ui,sans-serif;
  --bg:#23272b; --surface:#2e3338; --ink:#f3efe4; --muted:#bdbab0;
  --gold:#e8c35a; --gold-ink:#1d1f21; --paper:#f3efe4; --paper-ink:#1d1f21; --soft:#55575a;
  --m:clamp(16px,2.6vw,36px);
  --t-small:.875rem; --t-body:clamp(1.0625rem,1rem + .25vw,1.1875rem); --t-lead:clamp(1.15rem,1.05rem + .5vw,1.375rem);
  --t-head:clamp(1.9rem,1.2rem + 2.8vw,3.6rem);

  --c1:#3a4046;
  --c2:#f2d27a;
  --c3:#3b4147;
  --c4:#1a1d20;
  --c5:#cfd2d4;
}
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--t-body)/1.55 "Onest",system-ui,sans-serif}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:800;margin:0;line-height:1;letter-spacing:-.02em}
h2{font-size:var(--t-head);text-wrap:balance}
p{margin:0}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:var(--m);top:-80px;background:var(--gold);color:var(--gold-ink);padding:12px 16px;z-index:10;font-weight:600}
.skip:focus{top:12px}
.tap{display:inline-flex;align-items:center;min-height:44px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;background:var(--bg);color:var(--ink);font-weight:600;text-decoration:none;border-radius:0;transition:transform .15s ease,background-color .15s ease;white-space:nowrap}
.btn:hover{background:var(--c1)}.btn:active{transform:translateY(1px)}
.btn.dark{background:var(--gold);color:var(--gold-ink)}.btn.dark:hover{background:var(--c2)}

.top{position:absolute;inset:0 0 auto;z-index:4;display:flex;justify-content:space-between;align-items:center;padding:10px var(--m)}
.mark{font-family:var(--display);font-weight:700;text-decoration:none;font-size:1rem}
.top nav{display:flex;gap:22px}
.top nav a{text-decoration:none;font-size:.95rem}
.top nav a:hover{text-decoration:underline;text-underline-offset:4px}

/* hero: poster field + band, arch photo stuck across the seam */
.hero{position:relative;height:100svh;min-height:620px;max-height:1000px;display:grid;grid-template-rows:82fr 18fr;overflow:hidden}
.field{position:relative;background:var(--bg);z-index:2}
h1{position:absolute;left:var(--m);top:16%;z-index:1;font-size:clamp(4.2rem,11.4vw,11.5rem);line-height:1;text-transform:uppercase;color:var(--gold)}
.arch{position:absolute;margin:0;right:21vw;bottom:-15%;width:28vw;max-width:440px;aspect-ratio:3/4;transform:rotate(5deg);z-index:5}
.arch img{width:100%;height:100%;object-fit:cover;object-position:40% 50%;border-radius:999px 999px 0 0;animation:shutter 1s cubic-bezier(.2,.7,.1,1) .15s both}
@keyframes shutter{from{clip-path:inset(100% 0 0 0)}to{clip-path:inset(0)}}
.band{background:var(--gold);color:var(--gold-ink);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 var(--m);position:relative;z-index:1}
.band p{font-size:var(--t-lead);max-width:40ch;font-weight:500;line-height:1.35}

/* symptom picker */
.noise{padding:clamp(80px,9vw,130px) var(--m);display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,5vw,80px)}
.noise-head p{margin-top:18px;color:var(--muted);font-size:var(--t-lead)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chips button{font:500 1rem/1.2 "Onest",sans-serif;min-height:48px;padding:10px 18px;border:0;border-radius:0;background:var(--surface);color:var(--ink);cursor:pointer;transition:background-color .15s ease,color .15s ease}
.chips button:hover{background:var(--c3)}
.chips button[aria-checked="true"]{background:var(--ink);color:var(--paper-ink)}
.answer{background:var(--surface);padding:clamp(22px,3vw,36px)}
.a-title{font-family:var(--display);font-weight:700;font-size:clamp(1.4rem,2.4vw,2rem);color:var(--gold);margin-bottom:12px}
.answer p+p{max-width:60ch;margin-bottom:24px}

/* the service sheet */
.sheet-wrap{background:var(--c4);padding:clamp(56px,6vw,96px) 10px}
.sheet{max-width:640px;margin:0 auto;background:var(--paper);color:var(--paper-ink);padding:64px clamp(24px,6vw,64px);text-align:center;
  --s:14px;-webkit-mask:radial-gradient(var(--s) at 50% 0,transparent 98%,black) 50% 0/calc(2*var(--s)) 51% repeat-x,radial-gradient(var(--s) at 50% 100%,transparent 98%,black) 50% 100%/calc(2*var(--s)) 51% repeat-x; /* taste-skill-ignore: mask for scalloped/notched paper edge, not a fill */
  mask:radial-gradient(var(--s) at 50% 0,transparent 98%,black) 50% 0/calc(2*var(--s)) 51% repeat-x,radial-gradient(var(--s) at 50% 100%,transparent 98%,black) 50% 100%/calc(2*var(--s)) 51% repeat-x} /* taste-skill-ignore: mask edge */
.sheet h2{font-size:clamp(2rem,4vw,2.9rem)}
.sub{font-size:.9375rem;color:var(--soft);margin-top:10px}
.grp{margin-top:56px}
.grp h3{font-size:1.375rem;margin-bottom:22px}
.grp ul{list-style:none;margin:0 auto;padding:0;max-width:420px}
.grp li{margin-bottom:16px}
.grp b{display:block;font-weight:600;font-size:1.0625rem}
.grp span{display:block;font-size:.9375rem;color:var(--soft)}
.hours{margin-top:56px;font-weight:600;line-height:1.6}

/* two panels */
.metal{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.panel{position:relative;min-height:80svh;max-height:900px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.p1{background:var(--c5);color:var(--paper-ink)}.p2{background:var(--surface)}
.panel img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.p1 img{mix-blend-mode:multiply}
.panel h2{position:absolute;top:clamp(28px,4vw,56px);left:28px;z-index:2;font-size:clamp(1.7rem,2.8vw,2.5rem);background:var(--c5);padding:6px 10px 8px;margin-left:-10px}
.panel .row{position:relative;z-index:2;padding:20px 28px 28px}
.panel .row p{display:inline-block;padding:10px 14px;background:inherit}
.p1 .row p{background:var(--c5)}.p2 .row p{background:var(--surface)}
.panel .row b{font-weight:600;margin-right:8px}

/* proof */
.proof{padding:clamp(90px,10vw,150px) var(--m);display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:20px clamp(32px,5vw,80px);align-items:end}
.proof h2{font-size:clamp(2.4rem,6vw,6rem);color:var(--gold);line-height:.95}
.proof p{max-width:46ch}
.ig{grid-column:2;font-weight:600;text-underline-offset:4px}
.valley{grid-column:1/-1;margin:clamp(24px,4vw,56px) 0 0}.valley img{width:100%;aspect-ratio:21/8;object-fit:cover}
figcaption{font-size:var(--t-small);color:var(--muted);margin-top:8px}

/* visit rows */
.visit{padding-bottom:0}
.vrow{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:clamp(84px,10vw,150px);padding:0 var(--m);font-family:var(--display);font-weight:700;font-size:clamp(1.25rem,4.4vw,4.2rem);line-height:1.05;text-decoration:none;letter-spacing:-.02em}
.vrow:nth-child(odd){background:var(--surface)}
a.vrow:hover span{color:var(--gold)}
.round{width:clamp(60px,8vw,120px);aspect-ratio:1;object-fit:cover;border-radius:50%;flex:none}
.vrow.go{background:var(--gold);color:var(--gold-ink)}
.vrow.go i{font-style:normal;display:grid;place-items:center;width:.9em;height:.9em;border-radius:50%;background:var(--gold-ink);color:var(--gold);font-size:1em;flex:none}
a.vrow.go:hover span{color:var(--gold-ink);text-decoration:underline}

.foot{padding:40px var(--m) 48px;background:var(--c4)}
.foot p{max-width:72ch;margin-bottom:12px;font-size:.9375rem;color:var(--muted)}
.foot a{color:var(--ink)}
.foot .credits{font-size:var(--t-small)}

@media (max-width:900px){
  .top nav{display:none}
  .hero{grid-template-rows:74fr 26fr}
  h1{top:12%;font-size:clamp(2.8rem,14.4vw,6rem)}
  .arch{width:56vw;right:-4vw;bottom:-3%}
  .band{flex-direction:column;align-items:stretch;justify-content:center;gap:14px;padding:16px var(--m)}
  .band .btn{width:100%}
  .noise,.proof{grid-template-columns:minmax(0,1fr)}
  .ig{grid-column:1}
  .valley img{aspect-ratio:3/2}
  .metal{grid-template-columns:minmax(0,1fr)}
  .panel{min-height:70svh}
}
@media (pointer:coarse),(max-width:820px){
  html,body{touch-action:pan-y pinch-zoom;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
}
.foot .credits{line-height:2}.foot .credits a,.foot p a{display:inline-flex;align-items:center;min-height:44px;overflow-wrap:anywhere;line-height:1.4}