/* ============================================================
   STUDIO GROTESK — one family, twelve sizes, 8px baseline
   Palette: paper #FFFFFF · ink #0E0E0E · engineered red #E63312
   ============================================================ */

:root{
  --paper:#FFFFFF;
  --ink:#0E0E0E;
  --red:#E63312;
  --grey:#8A8A8A;
  --hair:#D9D9D9;

  /* the twelve — nothing in between */
  --s1:11px;  --lh1:16px;
  --s2:13px;  --lh2:16px;
  --s3:15px;  --lh3:24px;
  --s4:18px;  --lh4:24px;
  --s5:24px;  --lh5:32px;
  --s6:32px;  --lh6:40px;
  --s7:44px;  --lh7:48px;
  --s8:60px;  --lh8:64px;
  --s9:84px;  --lh9:88px;
  --s10:120px;--lh10:120px;
  --s11:168px;--lh11:168px;
  --s12:240px;--lh12:240px;

  --wrap:1280px;
  --gut:24px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  font-family:"Archivo",system-ui,sans-serif;
  font-size:var(--s4);line-height:var(--lh4);
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,canvas{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
kbd{
  font:600 var(--s2)/1 "Archivo";
  border:1px solid var(--ink);padding:1px 6px 2px;border-radius:0;
  background:var(--paper);
}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.anno{font-size:var(--s1);line-height:var(--lh1);letter-spacing:.06em;text-transform:uppercase;font-weight:500}
.red{color:var(--red)}
.red-dot{display:inline-block;width:8px;height:8px;background:var(--red);margin-right:8px;vertical-align:1px}

/* ---------- grid overlay (press G) ---------- */
.grid-overlay{
  position:fixed;inset:0;z-index:999;pointer-events:none;
  opacity:0;transition:opacity .25s;
}
body.show-grid .grid-overlay{opacity:1}
.grid-overlay::before{ /* baseline */
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(to bottom,rgba(230,51,18,.14) 0,rgba(230,51,18,.14) 1px,transparent 1px,transparent 8px);
}
.grid-overlay__cols{
  position:absolute;inset:0;max-width:var(--wrap);margin-inline:auto;
  padding-inline:var(--gut);
  display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);
}
.grid-overlay__cols i{background:rgba(230,51,18,.07);border-inline:1px solid rgba(230,51,18,.25)}

/* ---------- masthead ---------- */
.masthead{
  position:sticky;top:0;z-index:100;background:var(--paper);
  border-bottom:1px solid var(--ink);
}
.masthead__row{display:flex;align-items:center;gap:24px;height:64px}
.masthead__mark{display:flex;align-items:center;gap:12px;text-decoration:none}
.mark__box{
  width:32px;height:32px;background:var(--red);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:var(--s5);line-height:1;
}
.mark__name{font-weight:800;font-size:var(--s4);letter-spacing:-.01em;white-space:nowrap}
.masthead__nav{margin-left:auto;display:flex;gap:24px}
.masthead__nav a{
  font-size:var(--s2);line-height:var(--lh2);font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;text-decoration:none;padding:4px 0;
  border-bottom:2px solid transparent;
}
.masthead__nav a:hover{border-bottom-color:var(--red)}
.nav-guide{color:var(--red)}
.grid-btn{
  display:flex;align-items:center;gap:8px;
  font-size:var(--s2);font-weight:600;text-transform:uppercase;letter-spacing:.04em;
  border:1px solid var(--ink);padding:6px 12px;
}
.grid-btn__key{
  display:grid;place-items:center;width:18px;height:18px;
  border:1px solid currentColor;font-size:var(--s1);font-weight:700;
}
.grid-btn:hover,.grid-btn[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.grid-btn[aria-pressed="true"] .grid-btn__key{border-color:var(--red);color:var(--red)}

/* ---------- hero ---------- */
.hero{padding-top:96px;border-bottom:1px solid var(--ink)}
.hero__kicker{margin-bottom:40px;color:var(--ink)}
.hero__thesis{
  font-size:clamp(60px,10.6vw,var(--s11));
  line-height:.96;font-weight:900;letter-spacing:-.03em;
  font-stretch:112%;
  text-transform:uppercase;
  margin-bottom:64px;
}
.hero__thesis .line{display:block}
.hero__thesis em{font-style:normal;color:var(--red)}
.hero__deck{
  display:grid;grid-template-columns:7fr 4fr;gap:calc(var(--gut)*2);
  padding-bottom:64px;align-items:end;
}
.hero__lede{font-size:var(--s5);line-height:var(--lh5);font-weight:500;max-width:34ch}
.hero__meta{color:var(--grey);display:grid;gap:16px}
.hero__meta p{max-width:38ch}
.hero__hint{color:var(--ink)}
.hero__rule{border-top:1px solid var(--ink)}
.hero__rule-row{
  display:flex;justify-content:space-between;gap:16px;
  padding-block:8px;color:var(--grey);flex-wrap:wrap;
}
.hero__scroll{color:var(--red)}

/* load choreography */
.hero__thesis .line{opacity:0;transform:translateY(24px)}
body.loaded .hero__thesis .line{animation:rise .7s cubic-bezier(.2,.7,0,1) forwards}
body.loaded .l1{animation-delay:.05s}
body.loaded .l2{animation-delay:.17s}
body.loaded .l3{animation-delay:.29s}
.hero__kicker,.hero__deck{opacity:0}
body.loaded .hero__kicker{animation:fade .6s .5s forwards}
body.loaded .hero__deck{animation:fade .6s .62s forwards}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes fade{to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  .hero__thesis .line,.hero__kicker,.hero__deck{opacity:1!important;transform:none!important;animation:none!important}
}

/* ---------- poster wall ---------- */
.wall{border-bottom:1px solid var(--ink);background:
  radial-gradient(circle at 1px 1px, rgba(14,14,14,.13) 1px, transparent 1.5px) 0 0/24px 24px;
}
.wall__head{padding-top:64px;display:grid;grid-template-columns:4fr 5fr 3fr;gap:calc(var(--gut)*2);align-items:start}
.sec-title{
  font-size:var(--s7);line-height:var(--lh7);font-weight:900;letter-spacing:-.02em;
  text-transform:uppercase;font-stretch:112%;
}
.sec-title--inv{color:var(--paper)}
.wall__intro{font-size:var(--s4);line-height:var(--lh4);max-width:44ch}
.wall__intro strong{font-weight:700}
.wall__ctrl{display:grid;gap:16px;justify-items:start}
.wall__note{color:var(--grey);max-width:22ch}
.btn{
  display:inline-block;font-weight:700;font-size:var(--s3);line-height:1;
  padding:14px 24px;border:1px solid var(--ink);text-decoration:none;
  text-transform:uppercase;letter-spacing:.04em;
  transition:transform .12s;
}
.btn--red{background:var(--red);border-color:var(--red);color:#fff}
.btn--red:hover{background:var(--ink);border-color:var(--ink)}
.btn:active{transform:scale(.97)}
.btn--big{font-size:var(--s4);padding:18px 28px}

.wall__stage{
  position:relative;height:760px;margin-top:48px;
  touch-action:pan-y;
  overflow:hidden;
}
.poster{
  position:absolute;width:260px;height:368px;
  cursor:grab;user-select:none;-webkit-user-select:none;
  box-shadow:0 2px 6px rgba(14,14,14,.14),0 12px 32px rgba(14,14,14,.16);
  background:#fff;
  will-change:transform;
  touch-action:none;
}
.poster:active{cursor:grabbing}
.poster.dragging{box-shadow:0 6px 12px rgba(14,14,14,.18),0 32px 64px rgba(14,14,14,.28)}
.poster:hover{box-shadow:0 4px 10px rgba(14,14,14,.18),0 20px 44px rgba(14,14,14,.22)}
.poster:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.poster canvas{width:100%;height:100%}
.wall__caption{color:var(--grey);padding-block:16px;border-top:1px solid var(--hair)}

/* ---------- practice ---------- */
.practice{padding-block:96px;border-bottom:1px solid var(--ink)}
.practice .sec-title{margin-bottom:24px}
.practice__lede{font-size:var(--s5);line-height:var(--lh5);max-width:46ch;margin-bottom:64px}
.chapters{
  list-style:none;
  display:grid;grid-template-columns:repeat(5,1fr);
  border-top:1px solid var(--ink);
}
.chapter{
  border-left:1px solid var(--ink);
  padding:24px 20px 40px 20px;
  display:grid;grid-template-rows:auto auto 1fr;gap:16px;
  transition:background .18s,color .18s;
}
.chapter:last-child{border-right:1px solid var(--ink)}
.chapter__no{color:var(--red)}
.chapter__t{font-size:var(--s6);line-height:var(--lh6);font-weight:800;letter-spacing:-.01em}
.chapter p{font-size:var(--s3);line-height:var(--lh3);color:#3d3d3d}
.chapter:hover{background:var(--ink);color:var(--paper)}
.chapter:hover p{color:#c9c9c9}
.chapter:hover .chapter__no{color:var(--red)}

/* ---------- scale ---------- */
.scale{background:var(--ink);color:var(--paper);padding-block:96px}
.scale__lede{font-size:var(--s5);line-height:var(--lh5);max-width:46ch;margin-top:24px;color:#c9c9c9}
.scale__ladder{margin-top:64px;border-top:1px solid #3a3a3a}
.rung{
  display:grid;grid-template-columns:160px 1fr;gap:var(--gut);
  align-items:baseline;
  border-bottom:1px solid #3a3a3a;padding-block:16px;
  overflow:hidden;
}
.rung__label{color:#8a8a8a;white-space:nowrap}
.rung:hover .rung__label{color:var(--red)}
.rung__sample{
  font-weight:800;letter-spacing:-.02em;white-space:nowrap;
  font-stretch:100%;transition:font-stretch .35s cubic-bezier(.2,.7,0,1);
}
.rung:hover .rung__sample{font-stretch:125%} /* the variable axis, demonstrated */
.s12{font-size:var(--s12);line-height:1;font-weight:900;font-stretch:112%;color:var(--red)}
.s11{font-size:var(--s11);line-height:1;font-weight:900;font-stretch:112%}
.s10{font-size:var(--s10);line-height:1;font-weight:900}
.s9{font-size:var(--s9);line-height:var(--lh9)}
.s8{font-size:var(--s8);line-height:var(--lh8)}
.s7{font-size:var(--s7);line-height:var(--lh7);font-weight:700}
.s6{font-size:var(--s6);line-height:var(--lh6);font-weight:700}
.s5{font-size:var(--s5);line-height:var(--lh5);font-weight:600}
.s4{font-size:var(--s4);line-height:var(--lh4);font-weight:500}
.s3{font-size:var(--s3);line-height:var(--lh3);font-weight:500}
.s2{font-size:var(--s2);line-height:var(--lh2);font-weight:500}
.s1{font-size:var(--s1);line-height:var(--lh1);font-weight:500;letter-spacing:.04em}

/* ---------- work ---------- */
.work{padding-block:96px;border-bottom:1px solid var(--ink)}
.work__lede{font-size:var(--s5);line-height:var(--lh5);max-width:46ch;margin-block:24px 48px}
.work__tablewrap{overflow-x:auto}
.worktable{width:100%;border-collapse:collapse;min-width:720px}
.worktable th,.worktable td{
  text-align:left;padding:16px 24px 16px 0;vertical-align:top;
  border-bottom:1px solid var(--hair);
  font-size:var(--s3);line-height:var(--lh3);
}
.worktable thead tr{border-bottom:1px solid var(--ink)}
.worktable thead th{font-size:var(--s1);line-height:var(--lh1);color:var(--grey);font-weight:600;padding-block:8px}
.worktable tbody th{font-weight:800;font-size:var(--s4);line-height:var(--lh4);white-space:nowrap}
.worktable tbody tr{transition:background .12s}
.worktable tbody tr:hover{background:#f4f4f4}
.worktable tbody tr:hover th{color:var(--red)}
.work__foot{color:var(--grey);margin-top:24px;max-width:60ch}

/* ---------- contact ---------- */
.contact{padding-block:96px;background:var(--red);color:#fff}
.contact__grid{display:grid;grid-template-columns:7fr 4fr;gap:calc(var(--gut)*2);align-items:end}
.contact__t{
  font-size:clamp(44px,6.5vw,var(--s9));line-height:1;
  font-weight:900;letter-spacing:-.02em;text-transform:uppercase;font-stretch:112%;
  margin-bottom:32px;
}
.contact__t .red{color:var(--ink)}
.contact__pitch p{font-size:var(--s5);line-height:var(--lh5);max-width:40ch;margin-bottom:40px}
.contact .btn--red{background:#fff;color:var(--red);border-color:#fff}
.contact .btn--red:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.contact__addr{font-style:normal;display:grid;gap:24px;color:#ffd9d1}
.contact__addr strong{color:#fff}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:#8a8a8a}
.foot__row{display:flex;justify-content:space-between;gap:16px;padding-block:24px;flex-wrap:wrap}
.foot a{color:#fff;text-decoration:none;border-bottom:1px solid var(--red)}
.foot a:hover{color:var(--red)}

/* ---------- guide page ---------- */
.guide-main{padding-block:64px}
.guide-main .sec-title{margin-bottom:24px}
.guide-sec{padding-block:48px;border-top:1px solid var(--ink)}
.guide-sec:first-of-type{border-top:0;padding-top:0}
.guide-sec h2{font-size:var(--s6);line-height:var(--lh6);font-weight:800;margin-bottom:24px}
.guide-sec h2 .gno{color:var(--red);font-stretch:112%}
.guide-sec p{max-width:64ch;margin-bottom:16px}
.guide-sec p:last-child{margin-bottom:0}
.swatches{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gut);margin-block:24px;max-width:720px}
.swatch{border:1px solid var(--ink)}
.swatch__chip{height:96px}
.swatch__meta{padding:8px 12px;border-top:1px solid var(--ink);display:flex;justify-content:space-between;gap:8px}
.guide-code{
  background:var(--ink);color:#e8e8e8;
  font:400 var(--s2)/20px ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  padding:24px;overflow-x:auto;margin-block:24px;max-width:100%;
  white-space:pre;
}
.guide-code .c{color:#8a8a8a}
.guide-code .r{color:#ff7a5c}
.passlist,.recipe{margin-left:20px;max-width:64ch}
.passlist li,.recipe li{margin-bottom:16px;font-size:var(--s3);line-height:var(--lh3)}
.passlist strong{font-weight:800}
.backlink{
  display:inline-block;font-size:var(--s2);font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;text-decoration:none;border-bottom:2px solid var(--red);
  margin-bottom:40px;padding-bottom:2px;
}
.backlink:hover{color:var(--red)}
.typepair{display:grid;grid-template-columns:1fr 1fr;gap:var(--gut);margin-top:24px;max-width:720px}
.typepair>div{border:1px solid var(--ink);padding:24px}
.typepair .big{font-size:var(--s8);line-height:var(--lh8);font-weight:900;font-stretch:112%;letter-spacing:-.02em}
.typepair .anno{color:var(--grey);margin-top:16px}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .wall__head{grid-template-columns:1fr;gap:24px}
  .chapters{grid-template-columns:1fr;border-left:1px solid var(--ink);border-right:1px solid var(--ink)}
  .chapter{border-left:0;border-bottom:1px solid var(--ink);grid-template-rows:none;grid-template-columns:96px 1fr;grid-template-areas:"no t" "no p"}
  .chapter:last-child{border-right:0;border-bottom:0}
  .chapter__no{grid-area:no}
  .chapter__t{grid-area:t}
  .chapter p{grid-area:p}
  .s12{font-size:var(--s10)}
  .s11{font-size:var(--s9);line-height:var(--lh9)}
}

@media (max-width:720px){
  :root{--gut:16px}
  .masthead__nav{display:none}
  .masthead__row{height:56px}
  .hero{padding-top:48px}
  .hero__kicker{margin-bottom:24px}
  .hero__thesis{font-size:clamp(38px,12vw,60px);margin-bottom:40px}
  .hero__deck{grid-template-columns:1fr;gap:24px;padding-bottom:40px}
  .hero__lede{font-size:var(--s4);line-height:var(--lh4)}
  .wall__stage{height:560px}
  .poster{width:180px;height:255px}
  .practice,.scale,.work,.contact{padding-block:56px}
  .practice__lede,.scale__lede,.work__lede{font-size:var(--s4);line-height:var(--lh4)}
  .chapter{grid-template-columns:1fr;grid-template-areas:none;padding:20px 16px 28px}
  .chapter__no,.chapter__t,.chapter p{grid-area:auto}
  .rung{grid-template-columns:1fr;gap:4px;align-items:start}
  .s12{font-size:var(--s9);line-height:1}
  .s11{font-size:var(--s8);line-height:1}
  .s10{font-size:var(--s7);line-height:1}
  .s9{font-size:var(--s6);line-height:var(--lh6)}
  .s8{font-size:var(--s5);line-height:var(--lh5);white-space:normal}
  .s7{font-size:var(--s5);line-height:var(--lh5);white-space:normal}
  .s6,.s5,.s4,.s3,.s2,.s1{white-space:normal}
  .contact__grid{grid-template-columns:1fr;gap:40px;align-items:start}
  .swatches{grid-template-columns:1fr}
  .typepair{grid-template-columns:1fr}
  .foot__row{flex-direction:column;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}