/* KOHAUS Labs site (kohauslabs.com). Visual kit v1, version 3 layout.
   Tokens copied verbatim from the kit's brand.css. Plain CSS, no build step. */

@font-face{font-family:"Inter";src:url("../fonts/Inter-var-latin.woff2?v=2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:"Inter";src:url("../fonts/Inter-Italic-var-latin.woff2?v=2") format("woff2");font-weight:100 900;font-style:italic;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url("../fonts/SourceSerif4-var-latin.woff2?v=2") format("woff2");font-weight:200 900;font-style:normal;font-display:swap}
@font-face{font-family:"Source Serif 4";src:url("../fonts/SourceSerif4-Italic-var-latin.woff2?v=2") format("woff2");font-weight:200 900;font-style:italic;font-display:swap}
@font-face{font-family:"Noto Sans Thai";src:url("../fonts/NotoSansThai-var.woff2?v=2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0E00-0E7F,U+200C-200D,U+25CC}
@font-face{font-family:"Noto Serif Thai";src:url("../fonts/NotoSerifThai-var.woff2?v=2") format("woff2");font-weight:100 900;font-display:swap;unicode-range:U+0E00-0E7F,U+200C-200D,U+25CC}

/* From kit brand.css :root, verbatim */
:root{--paper:#F7F7F2;--graphite:#252B2D;--mineral:#465F68;--mist:#DCE3E4;--stone:#C8BCAF;--serif:'Source Serif 4','Noto Serif Thai',serif;--sans:Inter,'Noto Sans Thai',sans-serif;--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-6:48px;--space-8:64px;--space-12:96px;--page-max:1200px;--reading-max:680px;--gutter:clamp(24px,5vw,80px)}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--graphite);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto;display:block}
p{margin:0}
strong{font-weight:600}

/* Display serif: larger and denser than the kit default (see notes) */
h1,h2,h3,.display{font-family:var(--serif);font-weight:400;font-optical-sizing:auto;color:inherit;margin:0;text-wrap:balance}
.display-xl{font-size:clamp(52px,7.4vw,104px);line-height:.98;letter-spacing:-.035em;font-weight:500}
.display-l{font-size:clamp(38px,4.4vw,60px);line-height:1.04;letter-spacing:-.03em;font-weight:450}
.display-m{font-size:clamp(28px,2.6vw,36px);line-height:1.15;letter-spacing:-.02em}

a{color:var(--mineral);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{color:var(--graphite);text-decoration-thickness:2px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--mineral);outline-offset:5px}

.skip{position:absolute;left:-9999px;top:0;background:var(--graphite);color:var(--paper);padding:8px 16px;z-index:10}
.skip:focus{left:16px;top:16px}
.wrap{max-width:var(--page-max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}

.eyebrow{font:500 11px/1.6 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--mineral)}
.caption{font-size:13px;line-height:1.6;color:var(--mineral)}
.arrow{font-family:var(--sans);font-weight:400;margin-left:.45em}
.text-link{display:inline-block;font:500 15px/1.4 var(--sans);color:var(--graphite);text-decoration:none;border-bottom:1px solid var(--graphite);padding-bottom:6px}
.text-link:hover{color:var(--mineral);border-bottom-color:var(--mineral)}

/* Header */
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px 32px;padding-top:28px;padding-bottom:24px;border-bottom:1px solid var(--stone)}
.wordmark{display:block;padding:4px 0}
.wordmark img{width:190px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 36px}
.nav a{font-size:14px;line-height:1.5;color:var(--graphite);text-decoration:none;padding:4px 0;border-bottom:1px solid transparent}
.nav a:hover{border-bottom-color:var(--stone)}
.nav a[aria-current="page"]{border-bottom-color:var(--graphite)}

/* Hero */
.hero .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:48px;align-items:center;padding-top:72px;padding-bottom:88px}
.hero .eyebrow{margin-bottom:28px}
.hero .sub{font-size:19px;line-height:1.6;margin-top:32px;max-width:28em}
.hero .text-link{margin-top:40px}
.hero-art{margin:0}
.hero-art img{width:100%;max-width:560px;margin-left:auto;-webkit-mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000 78%,transparent 100%);mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000 78%,transparent 100%)}

/* Lab statement */
.lab .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);border-top:1px solid var(--stone);padding-top:80px;padding-bottom:88px;gap:0}
.lab .display-l{padding-right:56px}
.lab .side{border-left:1px solid var(--stone);padding-left:56px;max-width:480px}
.lab .side p+p{margin-top:16px}
.lab .text-link{margin-top:32px}

/* Mineral band: what the lab studies */
.band{background:var(--mineral);color:var(--paper)}
.band .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:center;padding-top:80px;padding-bottom:80px}
.band .display-l{color:var(--paper);padding-right:56px}
.band .eyebrow{color:var(--paper);margin-bottom:20px}
.band ul{list-style:none;margin:0;padding:0 0 0 56px;border-left:1px solid var(--mist)}
.band li{display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:24px;align-items:baseline;padding:22px 0}
.band li+li{border-top:1px solid var(--mist)}
.band h3{font-size:clamp(26px,2.4vw,34px);line-height:1.1;letter-spacing:-.02em;color:var(--paper)}
.band li p{font-size:15px;line-height:1.6;color:var(--paper)}

/* Book */
.book .wrap{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:0;align-items:center;padding-top:96px;padding-bottom:104px}
.cover{margin:0;padding-right:64px;justify-self:center;width:100%;max-width:400px}
/* The one shadow on the site: the cover as a physical book (kit exception, see notes) */
.cover .book-obj{position:relative;display:block}
.cover img{width:100%;position:relative;box-shadow:1px 1px 1px rgba(37,43,45,.16),3px 6px 10px rgba(37,43,45,.14),10px 24px 36px -6px rgba(37,43,45,.28),24px 52px 80px -20px rgba(37,43,45,.40)}
/* spine shading on the left edge so the cover reads as a bound book */
.cover .book-obj::after{content:"";position:absolute;top:0;bottom:0;left:0;width:14px;background:linear-gradient(to right,rgba(37,43,45,.18),rgba(37,43,45,.04) 55%,rgba(255,255,255,.35) 70%,rgba(37,43,45,0));pointer-events:none}
.cover figcaption{margin-top:20px;text-align:center}
.book-text{border-left:1px solid var(--stone);padding-left:64px}
.book-text .display-xl{font-size:clamp(46px,5.6vw,80px);margin-top:16px}
.book-text .subtitle{font:400 clamp(22px,2.1vw,28px)/1.25 var(--serif);letter-spacing:-.015em;margin-top:12px}
.book-text .byline{font:500 12px/1.5 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--mineral);margin-top:24px}
.book-text .byline a{color:inherit;text-decoration:none;border-bottom:1px solid var(--stone)}
.book-text .byline a:hover{color:var(--graphite);border-bottom-color:var(--graphite)}
.book-text .opening{font-size:19px;line-height:1.55;margin-top:28px;max-width:30em}
.book-text .desc{font-size:16px;color:var(--graphite);margin-top:16px;max-width:36em}
.buy{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.btn{display:inline-flex;align-items:center;font:500 15px/1 var(--sans);text-decoration:none;padding:17px 30px;border:1px solid var(--graphite);color:var(--graphite);background:transparent}
.btn:hover{background:var(--graphite);color:var(--paper)}
.btn.primary{background:var(--mineral);border-color:var(--mineral);color:var(--paper)}
.btn.primary:hover{background:var(--graphite);border-color:var(--graphite)}
.buy-note{margin-top:14px}

/* About page */
.page-head .wrap{padding-top:72px;padding-bottom:72px}
.page-head .eyebrow{margin-bottom:28px}
.page-head .lede{font:400 clamp(22px,2.2vw,28px)/1.4 var(--serif);letter-spacing:-.01em;margin-top:40px;max-width:30em}
.about-body .wrap{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);border-top:1px solid var(--stone);padding-top:72px;padding-bottom:96px}
.about-body .prose{padding-right:56px}
.about-body .prose p+p{margin-top:16px}
.about-body .principles-col{border-left:1px solid var(--stone);padding-left:56px}
.principles{list-style:none;margin:24px 0 0;padding:0;border-top:1px solid var(--stone)}
.principles li{padding:18px 0;border-bottom:1px solid var(--stone)}

/* 404 */
.notfound .wrap{padding-top:120px;padding-bottom:160px}
.notfound p{margin-top:24px}

/* Footer */
.site-footer .wrap{border-top:1px solid var(--stone);padding-top:40px;padding-bottom:48px}
.foot-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:24px 40px}
.foot-top img{width:150px}
.foot-top .tag{font-size:13px;color:var(--mineral);margin-top:6px}
.foot-top ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 36px}
.foot-top ul a{font-size:14px;color:var(--graphite);text-decoration:none}
.foot-top ul a:hover{text-decoration:underline}
.foot-small{margin-top:32px;font-size:12px;line-height:1.65;color:var(--mineral);max-width:760px}
.foot-small p+p{margin-top:6px}
.foot-small cite{font-style:italic}

/* Thai, ready for future content */
:lang(th){font-family:'Noto Sans Thai',Inter,sans-serif;line-height:1.85;letter-spacing:0}
:lang(th) h1,:lang(th) h2,:lang(th) h3,:lang(th) .display-xl,:lang(th) .display-l{font-family:'Noto Serif Thai',serif;letter-spacing:0;line-height:1.45}
:lang(th) .eyebrow{text-transform:none;letter-spacing:0}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:48px}
  .hero-art img{margin:0 auto;max-width:480px}
  .lab .wrap,.band .wrap,.book .wrap,.about-body .wrap{grid-template-columns:1fr}
  .lab .display-l,.band .display-l,.about-body .prose{padding-right:0}
  .lab .side,.about-body .principles-col{border-left:0;padding-left:0;margin-top:32px;padding-top:32px;border-top:1px solid var(--stone)}
  .band ul{padding-left:0;border-left:0;margin-top:32px;border-top:1px solid var(--mist)}
  .cover{padding-right:0;max-width:300px;justify-self:start}
  .cover figcaption{text-align:left}
  .book-text{border-left:0;padding-left:0;margin-top:48px}
}
@media (max-width:600px){
  .site-header .wrap{flex-direction:column;align-items:flex-start;gap:12px;padding-top:22px;padding-bottom:16px}
  .wordmark img{width:160px}
  .nav ul{gap:8px 28px}
  .hero .wrap{padding-bottom:64px}
  .hero .sub{font-size:17px}
  .lab .wrap,.band .wrap{padding-top:56px;padding-bottom:64px}
  .band li{grid-template-columns:1fr;gap:6px}
  .book .wrap{padding-top:64px;padding-bottom:72px}
  .btn{padding:16px 24px}
  .page-head .wrap{padding-top:48px;padding-bottom:48px}
  .about-body .wrap{padding-top:48px;padding-bottom:64px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
picture{display:block}