/* ==========================================================================
   C.B. Building — v2
   White ground, light beige panels, near-black ink. No dark bands.
   Type: Instrument Serif (display) / Instrument Sans (text) — a designed pair.
   Structure: thin rules and index rows rather than cards and grids.
   ========================================================================== */

:root{
  color-scheme: light;

  --white:#FFFFFF;
  --beige:#F7F3EC;
  --beige-2:#EFE9DE;
  --beige-3:#E4DCCC;

  --ink:#191815;
  --ink-2:#57544D;
  --ink-3:#8D887E;

  --line:#E7E1D6;
  --line-2:#D2CABA;

  --accent:#8A6540;

  --draw-grid:#F0EAE0;
  --draw-hair:#CFC4B0;
  --draw-line:#9E907A;
  --draw-heavy:#5B5245;

  --step--1:clamp(13px,.3vw + 12.3px,14px);
  --step-0:clamp(16px,.25vw + 15.4px,17px);
  --step-1:clamp(19px,.6vw + 17.6px,22px);
  --step-2:clamp(24px,1.5vw + 20.4px,31px);
  --step-3:clamp(30px,3vw + 22.8px,46px);
  --step-4:clamp(38px,5.5vw + 24.8px,72px);
  --step-5:clamp(46px,9vw + 24.4px,116px);

  --gutter:clamp(22px,5vw,64px);
  --section:clamp(72px,10vw,144px);
  --max:1320px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
  font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;font-feature-settings:"ss01";
}
h1,h2,h3,h4{
  font-family:"Instrument Serif",Georgia,"Times New Roman",serif;
  font-weight:400;margin:0;line-height:1.02;letter-spacing:-.02em;text-wrap:balance;
}
p{margin:0} img{max-width:100%;height:auto;display:block} a{color:inherit}
ul,ol{margin:0;padding:0;list-style:none} button{font:inherit;cursor:pointer}
:focus-visible{outline:1.5px solid var(--ink);outline-offset:4px}
.skip{position:absolute;left:-9999px;background:var(--ink);color:var(--white);padding:12px 18px;z-index:200}
.skip:focus{left:8px;top:8px}

.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
section{padding-block:var(--section)}
.rule{border:0;border-top:1px solid var(--line);margin:0}

.lede{font-size:var(--step-1);color:var(--ink-2);line-height:1.5;font-weight:400}
.muted{color:var(--ink-3)}
.label{font-size:11.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- links & buttons: quieter, rule-based ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:14.5px;font-weight:500;letter-spacing:.01em;text-decoration:none;
  padding:15px 28px;border:1px solid var(--ink);border-radius:999px;
  transition:background .18s ease,color .18s ease;min-height:50px;
}
.btn-solid{background:var(--ink);color:var(--white)}
.btn-solid:hover{background:var(--accent);border-color:var(--accent)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-line:hover{border-color:var(--ink)}

.arrowlink{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  font-size:15px;font-weight:500;color:var(--ink);
}
.arrowlink span{border-bottom:1px solid var(--line-2);padding-bottom:2px;transition:border-color .18s}
.arrowlink:hover span{border-bottom-color:var(--ink)}
.arrowlink svg{transition:transform .22s ease;flex:none}
.arrowlink:hover svg{transform:translateX(4px)}

/* ---------- preview bar ---------- */
.preview-bar{background:var(--beige-2);color:var(--ink-2);font-size:12.5px;border-bottom:1px solid var(--line)}
.preview-bar .wrap{display:flex;flex-wrap:wrap;gap:4px 12px;padding-block:8px}
.preview-bar b{color:var(--ink);font-weight:600}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:90;background:var(--white);transition:border-color .3s}
.site-header{border-bottom:1px solid transparent}
.site-header.solid{border-bottom-color:var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:28px;min-height:88px}
.wordmark{margin-right:auto;text-decoration:none;display:flex;align-items:baseline;gap:12px}
.wordmark .n{font-family:"Instrument Serif",Georgia,serif;font-size:27px;letter-spacing:-.01em}
.wordmark .t{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.nav-desktop{display:none;gap:32px}
.nav-desktop a{text-decoration:none;font-size:15px;color:var(--ink-2);white-space:nowrap;transition:color .16s}
.nav-desktop a:hover,.nav-desktop a[aria-current="page"]{color:var(--ink)}
.header-cta{display:none;font-size:15px;font-weight:500;text-decoration:none;white-space:nowrap}
.header-cta span{border-bottom:1px solid var(--ink);padding-bottom:2px}

.menu-btn{display:inline-flex;align-items:center;gap:10px;background:none;border:0;padding:10px 0;
  font-size:14px;font-weight:500;color:var(--ink);min-height:44px}

.nav-mobile{position:fixed;inset:0;z-index:120;background:var(--white);
  display:grid;grid-template-rows:auto 1fr auto;opacity:0;visibility:hidden;
  transition:opacity .3s ease,visibility .3s}
.nav-mobile.open{opacity:1;visibility:visible}
.nav-mobile-top{display:flex;align-items:center;min-height:88px;padding-inline:var(--gutter);border-bottom:1px solid var(--line)}
.nav-close{background:none;border:0;font-size:14px;font-weight:500;color:var(--ink);min-height:44px;padding:10px 0}
.nav-mobile-links{display:grid;align-content:start;padding-inline:var(--gutter);padding-top:8px}
.nav-mobile-links a{font-family:"Instrument Serif",Georgia,serif;font-size:clamp(32px,9vw,52px);
  text-decoration:none;padding-block:18px;border-bottom:1px solid var(--line)}
.nav-mobile-foot{padding:var(--gutter);display:grid;gap:14px;border-top:1px solid var(--line)}
.nav-mobile-foot .tel{font-family:"Instrument Serif",Georgia,serif;font-size:28px;text-decoration:none}
body.nav-open{overflow:hidden}

/* ---------- hero: type alone on white ---------- */
.hero{padding-top:clamp(56px,11vw,150px);padding-bottom:clamp(48px,7vw,96px)}
.hero h1{font-size:var(--step-5);max-width:16ch}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero .lede{margin-top:clamp(24px,3vw,38px);max-width:44ch}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(30px,4vw,46px)}

/* full-bleed beige drawing panel */
.plate{background:var(--beige);border-block:1px solid var(--line);
  height:clamp(300px,48vw,660px);display:grid;padding:clamp(16px,3vw,44px) 0}
.plate svg{width:100%;height:100%;display:block}
.plate-sm{height:clamp(180px,22vw,300px)}

/* ---------- index rows: the core layout device ---------- */
.index{border-top:1px solid var(--ink)}
.row{
  display:grid;grid-template-columns:1fr;gap:8px;
  padding-block:clamp(26px,3.4vw,42px);border-bottom:1px solid var(--line);
  text-decoration:none;transition:padding-inline .3s cubic-bezier(.2,.7,.3,1);
}
a.row:hover{padding-inline:14px;background:linear-gradient(90deg,var(--beige),transparent 70%)}
.row .idx{font-size:12px;color:var(--ink-3);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.row h2,.row h3{font-size:var(--step-2)}
.row p{color:var(--ink-2);font-size:15.5px;max-width:52ch}
.row .go{display:flex;align-items:center;color:var(--ink-3)}

/* ---------- section headings ---------- */
.head{display:grid;gap:16px;margin-bottom:clamp(34px,4vw,56px);max-width:64ch}
.head h2{font-size:var(--step-3)}
.head p{color:var(--ink-2);font-size:var(--step-1);line-height:1.5}

/* ---------- statement ---------- */
.pull{background:var(--beige);border-block:1px solid var(--line)}
.pull p{font-family:"Instrument Serif",Georgia,serif;font-size:var(--step-3);
  line-height:1.18;max-width:22ch;letter-spacing:-.02em}
.pull .wrap{display:grid;gap:28px}

/* ---------- frames ---------- */
.frame{position:relative;background:var(--beige);border:1px solid var(--line);overflow:hidden;display:grid;place-items:center}
.frame.ratio-wide{aspect-ratio:16/10}
.frame.ratio-tall{aspect-ratio:3/4}
.frame img{width:100%;height:100%;object-fit:cover}
.frame.is-artwork{padding:18px}
.frame .artwork{width:100%;height:100%}
.frame-empty{display:grid;place-items:center;text-align:center;padding:26px;gap:9px}
.frame-empty .t{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3)}
.frame-empty .d{font-size:13.5px;color:var(--ink-3);max-width:28ch;line-height:1.5}
.frame-empty .ico{color:var(--line-2)}

/* ---------- media + text pair ---------- */
.pair{display:grid;gap:clamp(28px,4vw,64px);align-items:center}
.prose{display:grid;gap:18px;max-width:60ch}
.prose p{color:var(--ink-2)}
.prose h3{font-size:var(--step-2);margin-top:12px}

/* ---------- work grid ---------- */
.work-grid{display:grid;gap:clamp(28px,3.5vw,48px);margin-top:clamp(8px,2vw,24px)}
.work-card{display:grid;gap:18px;text-decoration:none;align-content:start}
.work-card .frame{aspect-ratio:4/5;transition:opacity .3s ease}
.work-card:hover .frame{opacity:.88}
.work-card .meta{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:baseline}
.work-card .type{font-size:11.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.work-card .loc{font-size:14px;color:var(--ink-3)}
.work-card h3{font-size:var(--step-2);margin-top:6px}

.empty-note{margin-top:32px;padding:32px 30px;border:1px solid var(--line);background:var(--beige);
  display:grid;gap:12px;max-width:58ch}
.empty-note h3{font-size:var(--step-1)}
.empty-note p{color:var(--ink-2);font-size:15.5px}

/* ---------- testimonials ---------- */
.quotes{display:grid;gap:28px;margin-top:clamp(8px,2vw,24px)}
.quote{border-top:1px solid var(--ink);padding-top:22px;display:grid;gap:14px}
.quote blockquote{margin:0;font-family:"Instrument Serif",Georgia,serif;font-size:var(--step-1);line-height:1.4}
.quote .who{font-size:13.5px;color:var(--ink-3)}

/* ---------- project detail ---------- */
.project-gallery{display:grid;gap:clamp(20px,3vw,36px);margin-top:clamp(36px,5vw,64px)}
.project-gallery figure{margin:0;display:grid;gap:10px}
.project-gallery figcaption{font-size:13.5px;color:var(--ink-3)}

/* ---------- service area ---------- */
.areas{display:flex;flex-wrap:wrap;gap:0 28px;margin-top:8px}
.areas li{font-size:var(--step-1);color:var(--ink-2);padding-block:7px;
  font-family:"Instrument Serif",Georgia,serif}

/* ---------- contact: light, not a dark band ---------- */
.contact{background:var(--beige);border-top:1px solid var(--line)}
.contact .wrap{display:grid;gap:clamp(40px,5vw,72px)}
.contact h2{font-size:var(--step-3)}
.methods{display:grid;gap:0;margin-top:32px;border-top:1px solid var(--line-2)}
.method{display:flex;align-items:baseline;gap:16px;padding-block:18px;
  border-bottom:1px solid var(--line-2);text-decoration:none}
.method .k{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);min-width:64px}
.method .v{font-family:"Instrument Serif",Georgia,serif;font-size:var(--step-1);color:var(--ink);word-break:break-word}
.method:hover .v{color:var(--accent)}

form{display:grid;gap:20px;background:var(--white);border:1px solid var(--line);padding:clamp(24px,3.5vw,40px)}
.field{display:grid;gap:8px}
.field label{font-size:13px;font-weight:500;color:var(--ink-2)}
.field .req{color:var(--accent)}
.field input,.field select,.field textarea{
  font:inherit;font-size:16px;padding:0 0 11px;width:100%;
  border:0;border-bottom:1px solid var(--line-2);background:transparent;color:var(--ink);
  border-radius:0;min-height:44px;
}
.field textarea{min-height:92px;resize:vertical;padding-top:8px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-bottom-color:var(--ink)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-bottom-color:#B5442F}
.field .err{font-size:12.5px;color:#B5442F}
.form-row{display:grid;gap:20px}
.form-actions{display:grid;gap:12px;margin-top:8px}
.form-status{font-size:14px;color:var(--accent);min-height:1.3em}
.form-note{font-size:12.5px;color:var(--ink-3);line-height:1.55}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding-block:clamp(48px,6vw,72px) 44px;background:var(--white)}
.foot-grid{display:grid;gap:36px}
.foot-brand .n{font-family:"Instrument Serif",Georgia,serif;font-size:24px}
.foot-brand p{color:var(--ink-3);font-size:14.5px;margin-top:8px}
.foot-brand a{color:var(--ink-2);text-decoration:none}
.foot-brand a:hover{color:var(--ink)}
.foot-col h4{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-weight:500}
.foot-col li{margin-bottom:9px}
.foot-col a{text-decoration:none;font-size:15px;color:var(--ink-2)}
.foot-col a:hover{color:var(--ink)}
.foot-areas{font-size:14.5px;color:var(--ink-3);line-height:1.9}
.foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:grid;gap:10px;font-size:13px;color:var(--ink-3)}

/* ---------- sticky mobile bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:80;display:grid;
  grid-template-columns:1fr 1fr 1fr;background:var(--white);border-top:1px solid var(--line-2);
  transform:translateY(110%);transition:transform .32s cubic-bezier(.2,.7,.3,1)}
.sticky-bar.show{transform:none}
.sticky-bar a{display:flex;align-items:center;justify-content:center;padding:16px 6px;
  text-decoration:none;font-size:13.5px;font-weight:500;color:var(--ink);min-height:56px;white-space:nowrap}
.sticky-bar a+a{border-left:1px solid var(--line)}
.sticky-bar a:last-child{background:var(--ink);color:var(--white)}

/* ---------- page hero ---------- */
.page-hero{padding-block:clamp(52px,8vw,120px) clamp(34px,4vw,60px)}
.page-hero h1{font-size:var(--step-4);max-width:18ch}
.page-hero .lede{margin-top:22px;max-width:52ch}

/* ---------- 404 ---------- */
.error-page{min-height:64vh;display:grid;place-items:center;text-align:center;padding-block:var(--section)}
.error-page h1{font-size:var(--step-4);max-width:16ch;margin-inline:auto}
.error-page .lede{margin-top:20px;max-width:44ch;margin-inline:auto}
.error-page .actions{margin-top:34px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---------- reveal ---------- */
/* Content is visible by default. Only once JS has set .js on <html> do we hide
   it to animate — so a failed observer, a JS error or a slow device can never
   leave the page blank. */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(14px);
  transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal,.js .reveal{opacity:1!important;transform:none!important}
}

@media (min-width:680px){
  .work-grid{grid-template-columns:1fr 1fr}
  .quotes{grid-template-columns:1fr 1fr}
  .project-gallery{grid-template-columns:1fr 1fr}
  .form-row.two{grid-template-columns:1fr 1fr}
  .row{grid-template-columns:64px 1fr 1.1fr auto;gap:28px;align-items:baseline}
  .row .go{align-self:center}
  .pull .wrap{grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
  .pair{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr}
  .foot-bottom{grid-template-columns:1fr auto;align-items:center}
}
@media (min-width:1040px){
  .work-grid{grid-template-columns:repeat(3,1fr)}
  .work-card.feature{grid-column:span 2}
  .work-card.feature .frame{aspect-ratio:16/10}
  .quotes{grid-template-columns:repeat(3,1fr)}
  .nav-desktop{display:flex}
  .header-cta{display:inline-flex}
  .menu-btn{display:none}
  .sticky-bar{display:none}
  .contact .wrap{grid-template-columns:.9fr 1.1fr;align-items:start}
}

/* ---------- built-by credit ---------- */
.foot-bottom .built-by{font-size:var(--step--1);color:var(--ink-3)}
.foot-bottom .built-by a{color:inherit;text-decoration:none;border-bottom:1px solid transparent}
.foot-bottom .built-by a:hover{color:var(--ink);border-bottom-color:currentColor}
@media (min-width:680px){
  .foot-bottom{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;justify-content:space-between}
  .foot-bottom .built-by{margin-left:auto}
}