/* Light Touch Tuning - shared styles for the landing page, the tuning side and the AV side. */

@font-face{font-family:"Kanit";font-weight:300;font-style:normal;font-display:swap;src:url(fonts/kanit-latin-300-normal.woff2) format("woff2")}
@font-face{font-family:"Kanit";font-weight:700;font-style:italic;font-display:swap;src:url(fonts/kanit-latin-700-italic.woff2) format("woff2")}
@font-face{font-family:"Kanit";font-weight:800;font-style:italic;font-display:swap;src:url(fonts/kanit-latin-800-italic.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Plex";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2")}

:root{
  --red:#ed2024;
  --ink:#1b1615;        /* the logo's own black */
  --steel:#6e6f72;      /* the logo's greys */
  --silver:#bdbec0;
  --mist:#e7e8e9;
  --display:"Kanit","Arial Narrow",Arial,sans-serif;
  --body:"Plex",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1120px;
}
/* Tuning side: dark, from the reverse logo */
.theme-dark{--bg:var(--ink);--bg2:#241e1d;--text:#f4f2f1;--muted:#b9b3b1;--line:#3d3534;--btn-text:#fff}
/* AV side: light, from the positive logo */
.theme-light{--bg:#fff;--bg2:#eff0f1;--text:var(--ink);--muted:#57595c;--line:#cfd0d2;--btn-text:#fff}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 var(--body)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-style:italic;line-height:1.08;margin:0}
h1{font-weight:800;font-size:clamp(34px,6vw,64px);text-transform:uppercase;letter-spacing:.005em}
h2{font-weight:800;font-size:clamp(28px,4vw,42px);text-transform:uppercase}
h3{font-weight:700;font-size:22px}
p{margin:0 0 1em;max-width:68ch}
ul{margin:0;padding-left:1.2em}
li{margin:.3em 0}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:var(--red);color:#fff;padding:10px 14px;z-index:50}

/* Season switch: site.js sets data-season on <html>. Winter is the default without JavaScript. */
html[data-season="dyno"] [data-show="winter"]{display:none}
html:not([data-season="dyno"]) [data-show="dyno"]{display:none}

/* ---------- Header ---------- */
.top{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.top .logo img{height:60px;width:auto}
.top nav{margin-left:auto;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.top nav a{text-decoration:none;font-weight:600;font-size:15px;padding:8px 0;border-bottom:2px solid transparent}
.top nav a:hover{border-bottom-color:var(--red)}
.top nav a.other{color:var(--muted);font-weight:400}
.menu-btn{display:none;margin-left:auto;background:none;border:2px solid var(--line);color:var(--text);font:600 15px var(--body);padding:8px 14px;border-radius:4px;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{display:inline-block;font:600 17px/1.2 var(--body);padding:14px 22px;border-radius:4px;border:2px solid var(--red);text-decoration:none;cursor:pointer;background:none;color:var(--text)}
.btn.primary{background:var(--red);color:var(--btn-text)}
.btn:hover{filter:brightness(1.1)}
.btns{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Sections ---------- */
.band{padding:72px 0}
.band.alt{background:var(--bg2)}
.band > .wrap > h2{margin-bottom:28px}
.lede{font-size:20px;line-height:1.5}

/* Slanted edge, set to the lean of the wordmark */
.slant-b{clip-path:polygon(0 0,100% 0,100% calc(100% - 3.2vw),0 100%);padding-bottom:calc(72px + 3.2vw)}

/* ---------- Tuning hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 100%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(27,22,21,.9) 0%,rgba(27,22,21,0) 34%),linear-gradient(100deg,rgba(27,22,21,.94) 0%,rgba(27,22,21,.82) 42%,rgba(27,22,21,.25) 78%,rgba(27,22,21,.1) 100%)}
.hero > .wrap{position:relative;z-index:1;padding-top:96px;padding-bottom:88px}
.hero h1{max-width:13ch}
.hero .lede{max-width:46ch;margin:22px 0 28px}
.facts{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.18);background:rgba(27,22,21,.72)}
.facts ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr)}
.facts li{margin:0;padding:16px 18px 16px 0;font-size:15px}
.facts li + li{padding-left:18px;border-left:1px solid rgba(255,255,255,.18)}
.facts strong{display:block;font-family:var(--display);font-style:italic;font-weight:700;font-size:18px}

/* ---------- Services (tuning) ---------- */
.services{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.service{padding:26px 0;border-top:1px solid var(--line)}
.service h3{margin-bottom:10px}
.service h3::before{content:"";display:inline-block;width:22px;height:4px;background:var(--red);transform:skewX(-14deg);margin-right:10px;vertical-align:middle}
.note{border-left:4px solid var(--red);padding:12px 16px;background:var(--bg2);margin:18px 0 0;max-width:68ch}
.band.alt .note{background:var(--bg)}

/* ---------- Systems lists ---------- */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:40px 56px}
.syslist{list-style:none;padding:0;columns:2;column-gap:28px}
.syslist li{break-inside:avoid;padding:7px 0;border-bottom:1px solid var(--line);margin:0}
.syslist li small{display:block;color:var(--muted);font-size:14px}
.syslist.one{columns:1}

/* ---------- Gallery ---------- */
.gallery{--cell:calc((min(var(--wrap),100vw) - 64px)/4*.75);display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:var(--cell);gap:8px;grid-auto-flow:dense}
.gallery button{padding:0;border:0;background:var(--bg2);cursor:zoom-in;overflow:hidden;display:block}
.gallery button.wide{grid-column:span 2;grid-row:span 2}
.gallery button.tall{grid-row:span 2}
.gallery img{width:100%;height:100%;object-fit:cover}
.gallery button:hover img{filter:brightness(1.12)}
dialog.lightbox{border:0;padding:0;background:transparent;max-width:96vw;max-height:96vh}
dialog.lightbox::backdrop{background:rgba(10,8,8,.92)}
dialog.lightbox img{max-width:96vw;max-height:84vh;margin:0 auto}
dialog.lightbox p{color:#f4f2f1;text-align:center;margin:10px auto 0;font-size:15px}
.lb-bar{display:flex;justify-content:center;gap:10px;margin-top:10px}
.lb-bar button{font:600 15px var(--body);color:#fff;background:#3d3534;border:0;border-radius:4px;padding:10px 16px;cursor:pointer}

/* ---------- Forms ---------- */
.form{display:grid;gap:16px;margin-top:8px;max-width:640px}
.form label{display:block;font-weight:600;font-size:15px}
.form .opt{font-weight:400;color:var(--muted);font-size:14px;margin-left:4px}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:6px;font:400 17px/1.4 var(--body);color:var(--text);background:var(--bg);border:1.5px solid var(--line);border-radius:4px;padding:11px 12px}
.band.alt .form input,.band.alt .form select,.band.alt .form textarea{background:var(--field,var(--bg))}
.theme-dark{--field:#161211}
.form textarea{resize:vertical}
.form input[type=file]{padding:10px;font-size:15px}
.form input:focus,.form select:focus,.form textarea:focus{outline:3px solid var(--red);outline-offset:1px;border-color:var(--red)}
.form .bad{border-color:var(--red)}
.form .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form .hint{margin:-6px 0 0;font-size:14px;color:var(--muted)}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{margin:0;font-weight:600;min-height:0}
.form-status.err{border-left:4px solid var(--red);padding:10px 14px;background:var(--bg)}
.form .btn{justify-self:start}
.form .btn[disabled]{opacity:.6;cursor:progress}
.sent{border-left:4px solid var(--red);padding:18px 20px;background:var(--bg);max-width:640px;margin-top:16px}
.band:not(.alt) .sent{background:var(--bg2)}
.sent h3{margin-bottom:8px}
.sent p{margin:0}
[hidden]{display:none !important}

/* ---------- Gallery: show all ---------- */
.gallery .more{display:none}
.gallery.all .more{display:block}
.gallery-more{margin:20px 0 0}

/* ---------- Sponsor strip ---------- */
.strip{display:grid;grid-template-columns:1.5fr 1.5fr 1fr;gap:8px}
.strip img{width:100%;height:320px;object-fit:cover}

/* ---------- Reviews ---------- */
.reviews{display:grid;grid-template-columns:1fr 1fr;gap:28px 56px}
.reviews blockquote{margin:0;padding:0 0 0 18px;border-left:4px solid var(--red)}
.reviews blockquote p{font-size:19px;line-height:1.45;margin-bottom:8px}
.reviews cite{font-style:normal;color:var(--muted);font-size:15px}

/* ---------- About / contact ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.panel{background:var(--bg2);padding:26px;border-top:4px solid var(--red)}
.band.alt .panel{background:var(--bg)}
.panel h3{margin-bottom:10px}
.soon{display:flex;gap:18px;align-items:center;border:1px dashed var(--line);padding:20px 22px}
.soon .gear{flex:none;width:44px;height:44px;fill:var(--steel)}
.soon p{margin:0}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);padding:28px 0 40px;font-size:15px;color:var(--muted)}
.foot .wrap{display:flex;gap:10px 28px;flex-wrap:wrap;align-items:center}
.foot a{color:var(--text)}
.foot .right{margin-left:auto}

/* ---------- AV side ---------- */
.av-hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:72px}
.av-hero h1{font-size:clamp(32px,4.6vw,54px)}
.av-hero .lede{margin:20px 0 26px}
.flow{width:100%;height:auto}
.flow .box{fill:#fff;stroke:var(--ink);stroke-width:2}
.flow .core{fill:var(--ink)}
.flow text{font:600 15px var(--body);fill:var(--ink)}
.flow .core-t{fill:#fff}
.flow .sig{stroke:var(--red);stroke-width:3;fill:none}
.flow .ctl{stroke:var(--steel);stroke-width:2;stroke-dasharray:6 6;fill:none}
.flow .key text{font-weight:400;font-size:13px;fill:#57595c}
.creds{background:var(--ink);color:#f4f2f1}
.creds ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr)}
.creds li{margin:0;padding:22px 24px 22px 0}
.creds li + li{padding-left:24px;border-left:1px solid #3d3534}
.creds strong{display:block;font-family:var(--display);font-style:italic;font-weight:700;font-size:20px;line-height:1.2;margin-bottom:4px}
.creds span{color:#b9b3b1;font-size:15px}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.three h3{margin-bottom:10px;padding-top:16px;border-top:4px solid var(--ink)}
.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.timeline li{position:relative;margin:0;padding:0 0 30px 28px}
.timeline li::before{content:"";position:absolute;left:-8px;top:6px;width:14px;height:14px;background:var(--red);transform:rotate(45deg)}
.timeline .when{font-family:var(--display);font-weight:300;font-size:18px;color:var(--muted)}
.timeline h3{margin:2px 0 6px}
.steps{list-style:none;padding:0;margin:0;counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.steps li{counter-increment:s;margin:0;padding-top:14px;border-top:2px solid var(--ink)}
.steps li::before{content:counter(s);display:block;font:italic 800 44px/1 var(--display);color:var(--red);margin-bottom:8px}
.steps h3{font-size:20px;margin-bottom:6px}

/* ---------- Landing: two doors ---------- */
.landing{min-height:100vh;display:flex;flex-direction:column;background:var(--ink);color:#f4f2f1}
.landing-top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 24px}
.landing-top img{height:84px;width:auto}
.landing-top span{font-family:var(--display);font-weight:300;font-size:18px;color:#b9b3b1}
.doors{position:relative;flex:1;min-height:560px}
.door{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;text-decoration:none;padding:0 5vw 9vh}
.door h1{font-size:clamp(34px,5vw,68px)}
.door p{font-size:19px;max-width:30ch;margin:14px 0 22px}
.door .go{display:inline-block;align-self:flex-start;font-weight:600;padding:14px 22px;border-radius:4px;background:var(--red);color:#fff}
.door-tuning{color:#f4f2f1;clip-path:polygon(0 0,57% 0,43% 100%,0 100%);z-index:2}
.door-tuning .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:20% 100%;z-index:-2}
.door-tuning::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(27,22,21,.8) 0%,rgba(27,22,21,.3) 30%,rgba(27,22,21,.5) 55%,rgba(27,22,21,.93) 100%)}
.door-tuning > *{max-width:36vw}
.door-tuning > .bg{max-width:none}
.door-av{background:#fff;color:var(--ink);align-items:flex-end;text-align:right}
.door-av > *{max-width:36vw}
.door-av .go{align-self:flex-end;background:var(--ink)}
.door-av p{margin-left:auto}
.door-av .flow{position:absolute;right:4vw;top:7%;width:39vw;max-width:none;max-height:46%}
.seam{position:absolute;left:50%;top:50%;width:150px;height:150px;margin:-75px 0 0 -75px;z-index:3;pointer-events:none}
.seam svg{width:100%;height:100%;transition:transform .9s cubic-bezier(.3,.7,.2,1)}
.seam .ring{fill:var(--red)}
.seam .hub{fill:var(--steel)}
.doors:has(.door-tuning:hover) .seam svg,.doors:has(.door-tuning:focus-visible) .seam svg{transform:rotate(-60deg)}
.doors:has(.door-av:hover) .seam svg,.doors:has(.door-av:focus-visible) .seam svg{transform:rotate(60deg)}
.door:focus-visible{outline-offset:-6px}
.landing-foot{padding:12px 24px;font-size:14px;color:#b9b3b1;background:var(--ink)}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.seam svg{transition:none}}

/* ---------- Smaller screens ---------- */
@media (max-width:900px){
  .services,.cols,.reviews,.split,.three{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .facts ul{grid-template-columns:1fr 1fr}
  .facts li{padding:12px 12px 12px 0}
  .facts li + li{padding-left:0;border-left:0}
  .facts li:nth-child(even){padding-left:14px;border-left:1px solid rgba(255,255,255,.18)}
  .gallery{--cell:calc((100vw - 48px)/2*.75);grid-template-columns:repeat(2,1fr)}
  .strip{grid-template-columns:1fr 1fr}
  .strip img{height:220px}
  .strip img:last-child{display:none}
  .av-hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:44px}
  .creds ul{grid-template-columns:1fr}
  .creds li{padding:16px 0}
  .creds li + li{padding-left:0;border-left:0;border-top:1px solid #3d3534}
  .band{padding:52px 0}
  .hero > .wrap{padding-top:56px;padding-bottom:52px}
  .hero::after{background:linear-gradient(180deg,rgba(27,22,21,.86),rgba(27,22,21,.9))}
  .menu-btn{display:block}
  .top nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:6px 20px 14px}
  .top nav.open{display:flex}
  .top nav a{padding:12px 0;width:100%}
  .top .logo img{height:42px}

  .landing-top img{height:48px}
  .landing-top span{font-size:15px}
  .doors{display:flex;flex-direction:column;min-height:0}
  .door{position:relative;inset:auto;flex:1;min-height:46vh;padding:28px 20px 60px}
  .door > *,.door-av > *,.door-tuning > *{max-width:100%}
  .door-tuning{clip-path:polygon(0 0,100% 0,100% calc(100% - 9vw),0 100%);margin-bottom:-9vw}
  .door-av{align-items:flex-start;text-align:left;justify-content:center;padding-top:calc(9vw + 28px);padding-bottom:36px;min-height:38vh}
  .door-av p{margin-left:0}
  .door-av .go{align-self:flex-start}
  .door-av .flow{display:none}
  .seam{width:84px;height:84px;margin:0;left:auto;right:22px;top:calc(50% - 4.5vw - 42px)}
}
@media (max-width:520px){
  .form .row2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .syslist{columns:1}
  .btn{width:100%;text-align:center}
}