/* Homepage. Standalone stylesheet: tokens, masthead and footer match directory.css.
   Layout is mobile-first; grid placement starts at 720px and the full composition at 1024px. */
@font-face{font-family:'Instrument Serif';src:url('/assets/fonts/instrument-serif-latin.60c06664b5a95c7d.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'DM Sans';src:url('/assets/fonts/dm-sans-latin.468d56b6b25b05b7.woff2') format('woff2');font-style:normal;font-weight:100 1000;font-display:swap}

:root{
  color-scheme:light;
  --ink:#282820;
  --soft:#45453c;
  --muted:#5f5f55;
  --accent:#565c3a;
  --cream:#faf8f5;
  --sand:#f0ede6;
  --paper:#fff;
  --on-ink:#f6f3ec;
  --on-ink-soft:#d2cfc3;
  --on-ink-accent:#b9bf97;
  --gutter:48px;
  --content:1224px;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --sans:'DM Sans',Arial,sans-serif;
  /* Twelve content columns between two flexible margins. Lines 2 and 14 are the
     content edges; lines 1 and 15 are the viewport edges, for art that bleeds. */
  --tracks:minmax(var(--gutter),1fr) repeat(12,minmax(0,calc(var(--content)/12))) minmax(var(--gutter),1fr);
  --h1:clamp(54px,17.4vw,96px);
  --poke:64px;
  --method-pad:56px;
  --num:52px;
  --tray-pad:8px;
  --plate-pad:14px;
  -webkit-text-size-adjust:100%;
}
@media(min-width:560px){
  :root{--tray-pad:12px;--plate-pad:clamp(18px,2.2vw,28px)}
}
@media(min-width:720px){
  :root{--h1:clamp(72px,12vw,184px);--poke:clamp(120px,14vw,200px);--method-pad:clamp(72px,8vw,112px);--num:clamp(60px,7vw,100px)}
}
@media(max-width:1199px){:root{--gutter:36px}}
@media(min-width:1024px) and (max-height:839px){
  :root{--h1:clamp(96px,10.4vw,164px)}
}

@media(max-width:1023px){:root{--gutter:28px}}
@media(max-width:599px){:root{--gutter:22px}}
@media(max-width:359px){:root{--gutter:18px}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font:400 17px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block}
img{max-width:100%}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.22em}
a,button{touch-action:manipulation}
button{font:inherit;color:inherit}
abbr[title]{text-decoration:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
[hidden]{display:none!important}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.wrap{width:min(calc(100% - var(--gutter)*2),var(--content));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:12px;z-index:10;padding:12px 18px;border-radius:8px;background:var(--ink);color:#fff;font-size:14px;transform:translateY(calc(-100% - 20px))}
.skip-link:focus{transform:translateY(0)}

/* Masthead and footer */
.site-header{display:flex;align-items:center;gap:8px 30px;min-height:104px;padding-block:22px}
.wordmark{display:inline-flex;align-items:center;gap:9px;flex:none;min-height:44px;text-decoration:none}
.brand-mark{flex:none;width:60px;height:40px;object-fit:contain}
.brand-name{display:flex;flex-direction:column;gap:1px;font-size:20px;font-weight:650;line-height:1.05;letter-spacing:-.65px;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:32px;margin-left:auto;font-size:15px}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--soft);text-decoration:none;white-space:nowrap}
.site-nav a:hover{color:var(--ink);text-decoration:underline}
.site-footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 32px;padding-block:36px 44px}
.site-footer .brand-mark{width:45px;height:30px}
.site-footer .brand-name{font-size:16px;letter-spacing:-.4px}

/* Shared type and controls */
.label{color:var(--accent);font-size:13px;font-weight:600;line-height:1.4;letter-spacing:.07em;text-transform:uppercase}
.caption{margin-top:12px;color:var(--muted);font-size:13px;line-height:1.4}
.arrow{flex:none;width:20px;height:20px;transition:transform .25s ease}
.text-link{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:16px;font-weight:600;line-height:1.3;text-decoration:underline;text-underline-offset:.32em}
.text-link:hover .arrow{transform:translateX(4px)}
.button{display:inline-flex;align-items:center;gap:10px;min-height:52px;padding:0 22px;border-radius:12px;background:var(--ink);color:var(--cream);font-size:16px;font-weight:600;line-height:1.3;text-decoration:none;transition:background-color .2s ease}
.button:hover{background:var(--accent)}
.button .arrow{transform:rotate(90deg)}
.button:hover .arrow{transform:rotate(90deg) translateX(3px)}

/* Hero: the last headline line sits beside art that starts two lines down and runs off the right edge. */
.hero{padding-top:12px}
.hero-grid{padding-left:var(--gutter)}
.hero-title{padding-right:var(--gutter);font:400 var(--h1)/.9 var(--serif);letter-spacing:-.03em;overflow-wrap:break-word}
.hero-line{display:block}
.hero.is-plain{--h1:clamp(46px,8vw,120px)}
.hero.is-plain .hero-title{text-wrap:balance}
.hero-copy{padding:22px var(--gutter) 0 0}
.hero-deck{max-width:30ch;color:var(--soft);font-size:clamp(18px,1.55vw,22px);line-height:1.42;text-wrap:pretty}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 28px;margin-top:26px}
.hero-art{margin-top:40px}
.hero-art img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:18px 0 0 18px;background:var(--sand)}
.hero-art .caption{padding-right:var(--gutter)}

/* Mission: one large statement, then air. The method image rises into the empty lower left. */
.mission{padding-block:clamp(80px,22vw,120px) calc(var(--poke) + 48px);scroll-margin-top:0}
.mission-title{margin-top:18px;font:400 clamp(42px,6.7vw,100px)/.98 var(--serif);letter-spacing:-.028em;text-wrap:balance}
.mission-body{max-width:34ch;margin-top:clamp(28px,4.5vw,64px);color:var(--soft);font-size:clamp(19px,1.7vw,23px);line-height:1.45;text-wrap:pretty}

/* Method: the ink ground. */
.method{padding-block:var(--method-pad) clamp(72px,9vw,128px);border-radius:22px;background:var(--ink);color:var(--on-ink);scroll-margin-top:calc(var(--poke) + 20px)}
.method :focus-visible{outline-color:var(--on-ink)}
.method .label{color:var(--on-ink-accent)}
.method-art{width:min(70%,340px);margin:calc(-1*(var(--poke) + var(--method-pad))) 0 0 auto}
.method-art img{width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:16px;background:#3a3a30}
.method-art .caption{color:var(--on-ink-soft)}
.method-head{margin-top:36px}
.method-title{margin-top:16px;font:400 clamp(40px,5vw,72px)/1 var(--serif);letter-spacing:-.024em;text-wrap:balance}
.steps{margin-top:clamp(40px,6vw,80px)}
.step{display:grid;grid-template-columns:var(--num) minmax(0,1fr);column-gap:10px;align-items:baseline}
.step+.step{margin-top:clamp(36px,4.5vw,60px)}
.step-num{color:var(--on-ink-accent);font:400 var(--num)/.82 var(--serif);letter-spacing:-.02em}
.step-title{font:400 clamp(28px,2.9vw,40px)/1.05 var(--serif);letter-spacing:-.015em;text-wrap:balance}
.step-body{max-width:40ch;margin-top:10px;color:var(--on-ink-soft);text-wrap:pretty}

/* Proof: two manufacturer photos on one sand tray. The conditional pick is the plate lit white. */
.proof{padding-block:clamp(88px,12vw,176px) clamp(80px,10vw,144px);scroll-margin-top:0}
.proof-title{margin-top:18px;font:400 clamp(40px,5.6vw,84px)/1 var(--serif);letter-spacing:-.026em;text-wrap:balance}
.proof-grid{margin-top:clamp(36px,5vw,72px)}
.proof-models{display:grid;gap:var(--tray-pad);padding:var(--tray-pad);border-radius:22px;background:var(--sand)}
/* No transform, opacity or filter on the plate or photo wrapper: the photo must blend with the tray behind it. */
.proof-model{display:grid;grid-template-columns:88px minmax(0,1fr);gap:14px 16px;align-items:center;min-width:0;padding:var(--plate-pad);border-radius:16px;transition:background-color .3s ease}
.proof-model.is-chosen{background:var(--paper)}
.proof-photo{min-width:0}
.proof-photo img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;mix-blend-mode:multiply}
.proof-photo .caption{margin-top:4px;font-size:12px}
/* Match the framing of the original packshots without changing the source files. */
[data-proof-model="e3"] .proof-photo img{transform:translateY(2%) scale(1.12)}
.proof-model-head{min-width:0}
.pick-flag{display:flex;align-items:center;gap:8px;min-height:22px;color:var(--accent);font-size:12px;font-weight:600;line-height:1.3;letter-spacing:.07em;text-transform:uppercase;visibility:hidden}
.pick-flag::before{content:'';flex:none;width:8px;height:8px;border-radius:50%;background:currentColor}
.is-chosen .pick-flag{visibility:visible}
.proof-name{margin-top:4px;font:400 clamp(28px,2.8vw,38px)/1.02 var(--serif);letter-spacing:-.018em}
.specs{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}
.specs div{min-width:0}
.specs dt{color:var(--muted);font-size:13px;line-height:1.4}
.specs dd{margin-top:2px;font:400 clamp(28px,3.1vw,44px)/1 var(--serif);letter-spacing:-.02em;font-variant-numeric:lining-nums tabular-nums}
.specs dd.is-text{font-size:clamp(20px,1.9vw,24px);line-height:1.1;letter-spacing:-.01em}
.unit{margin-left:.18em;color:var(--soft);font:500 15px/1 var(--sans);letter-spacing:0}

.proof-aside{margin-top:36px}
.proof-controls{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 26px;margin-bottom:20px}
.proof-prompt{flex:0 0 100%;color:var(--muted);font-size:15px;line-height:1.4}
.proof-tab{-webkit-appearance:none;appearance:none;min-height:48px;padding:0;border:0;border-radius:4px;background:none;color:var(--muted);font:400 clamp(26px,2.5vw,32px)/1.1 var(--serif);letter-spacing:-.012em;text-align:left;text-decoration:underline;text-decoration-thickness:1px;text-decoration-color:#9c998d;text-underline-offset:.24em;cursor:pointer;transition:color .2s ease,text-decoration-color .2s ease}
.proof-tab:hover{color:var(--ink);text-decoration-color:currentColor}
.proof-tab[aria-pressed="true"]{color:var(--ink);text-decoration-thickness:2px;text-decoration-color:var(--accent)}
.verdict-title{font:400 clamp(30px,3vw,42px)/1.04 var(--serif);letter-spacing:-.02em;text-wrap:balance}
.verdict-body{max-width:38ch;margin-top:14px;color:var(--soft);text-wrap:pretty}
.proof-aside .text-link{margin-top:18px}

.proof-detail{margin-top:36px;padding-inline:calc(var(--tray-pad) + var(--plate-pad))}
.math{margin-top:16px}
.math-row{display:grid;gap:4px}
.math-row+.math-row{margin-top:24px}
.math dt{color:var(--muted);font-size:15px;line-height:1.4}
.math-result{font:400 clamp(24px,2.4vw,30px)/1.1 var(--serif);letter-spacing:-.012em;text-wrap:balance}
.math-work{margin-top:6px;color:var(--soft);font-size:15px;line-height:1.5;font-variant-numeric:lining-nums tabular-nums}
.math-work span{display:block}
.math-note{max-width:52ch;margin-top:26px;color:var(--muted);font-size:15px;line-height:1.5}
.proof-sources{margin-top:36px}
.proof-scope{color:var(--soft);font-size:15px;line-height:1.5}
.source-list{display:flex;flex-wrap:wrap;gap:0 28px;margin-top:4px;font-size:15px}
.source-list a{display:inline-flex;align-items:center;min-height:44px;line-height:1.3}
.source-list a:hover{color:var(--accent)}

/* Directory entry: quiet, last. */
.browse{padding-bottom:clamp(72px,10vw,144px)}
.browse-grid{padding-left:var(--gutter)}
.browse-copy{padding-right:var(--gutter)}
.browse-title{font:400 clamp(40px,5vw,72px)/1 var(--serif);letter-spacing:-.024em;text-wrap:balance}
.browse-body{max-width:32ch;margin-top:16px;color:var(--soft);font-size:clamp(18px,1.5vw,20px);line-height:1.45}
.browse-copy .text-link{margin-top:16px}
.browse-note{margin-top:8px;color:var(--muted);font-size:15px;line-height:1.5}
.browse-art{margin-top:40px}
.browse-art img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:18px 0 0 18px;background:var(--sand)}
.browse-art .caption{padding-right:var(--gutter)}

@media(min-width:560px){
  .proof-models{grid-template-columns:repeat(2,minmax(0,1fr));border-radius:28px}
  .proof-model{display:flex;flex-direction:column;align-items:stretch;gap:16px;border-radius:18px}
  .proof-photo .caption{margin-top:6px}
  .pick-flag{font-size:13px}
  .math-work span{white-space:nowrap}
}

@media(min-width:720px){
  .hero{padding-top:8px}
  .hero-grid{display:grid;grid-template-columns:var(--tracks);grid-template-rows:auto 1fr;padding-left:0}
  .hero-title{grid-column:2/14;grid-row:1;padding-right:0}
  .hero-copy{grid-column:2/7;grid-row:2;padding:clamp(20px,2.4vw,32px) clamp(24px,4vw,56px) 0 0}
  .hero-art{grid-column:7/15;grid-row:1/3;margin-top:calc(var(--h1)*1.94)}
  .hero.is-plain .hero-art{grid-row:2;margin-top:32px}

  .mission{padding-block:clamp(96px,12vw,176px) clamp(64px,8vw,96px)}
  .mission-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr))}
  .mission-grid>.label{grid-column:1/-1}
  .mission-title{grid-column:1/11}
  .mission-body{grid-column:7/13}

  .method{border-radius:28px}
  .method-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:auto 1fr}
  .method-art{grid-column:1/6;grid-row:1/3;align-self:start;width:auto;margin:calc(-1*(var(--poke) + var(--method-pad))) 0 0}
  .method-art img{border-radius:18px}
  .method-head{grid-column:7/13;grid-row:1;margin-top:0}
  .steps{grid-column:7/13;grid-row:2}

  .math-row{grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:0 24px;align-items:baseline}
  .math-row dt{grid-row:1/3}
  .math-row dd{grid-column:2}

  .browse-grid{display:grid;grid-template-columns:var(--tracks);align-items:end;padding-left:0}
  .browse-copy{grid-column:2/7;padding:0 24px 28px 0}
  .browse-art{grid-column:8/15;margin-top:0}
}

@media(min-width:1024px){
  /* Each step moves one notch right: specification on the left, choice on the right. */
  .step:nth-child(2){margin-left:7%}
  .step:nth-child(3){margin-left:14%}
  .step:nth-child(4){margin-left:21%}

  .proof-title{max-width:calc(100%*9/12)}
  .proof-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));grid-template-rows:auto 1fr}
  .proof-models{grid-column:1/9;grid-row:1}
  .proof-aside{grid-column:9/13;grid-row:1/3;align-self:start;margin-top:0;padding:calc(var(--tray-pad) + var(--plate-pad)) 0 0 clamp(32px,4vw,56px)}
  .proof-detail{grid-column:1/9;grid-row:2;margin-top:44px}
}
@media(min-width:1024px) and (min-height:760px){
  .method-art{position:sticky;top:32px}
}
@media(min-width:1024px) and (min-height:640px){
  .proof-aside{position:sticky;top:24px}
}

@media(max-width:1023px){
  .site-header{min-height:96px;padding-block:20px}
}
@media(max-width:599px){
  body{font-size:16px}
  .site-header{min-height:88px;gap:4px 16px;padding-block:18px}
  .wordmark{gap:6px}
  .brand-mark{width:45px;height:32px}
  .brand-name{font-size:17px;letter-spacing:-.5px}
  .site-nav{gap:22px}
  .hero-art img,.browse-art img{border-radius:14px 0 0 14px}
  .site-footer{padding-block:28px 32px}
}
@media(max-width:479px){
  .site-header{flex-wrap:wrap;min-height:0;padding-block:16px 6px}
  .site-nav{width:100%;margin-left:0;gap:26px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .arrow,.button,.proof-model,.proof-tab{transition:none}
}

.published-guides{padding:0;margin:24px 0 0;list-style:none;font-size:15px;line-height:1.5}
.published-guides li+li{margin-top:10px}
.published-guides a{display:inline-block;padding-block:6px;text-underline-offset:.2em}