/* =========================================================
   PROJECT / CASE STUDY TEMPLATE — extends home.css tokens
   ========================================================= */

/* breadcrumb + hero */
.p-hero{ padding-top:clamp(128px,15vh,180px); padding-bottom:46px; }
.crumb{ font-family:var(--mono); font-size:12.5px; color:var(--sage); display:inline-block; margin-bottom:40px; }
.crumb:hover{ color:var(--ink); }
.p-eyebrow{ font-family:var(--mono); font-size:13px; color:var(--sage); margin-bottom:22px; }
.p-title{ font-family:var(--display); font-weight:300; font-size:clamp(46px,8.5vw,118px); line-height:.94; letter-spacing:-.015em; max-width:15ch; }
.p-title em{ font-style:italic; }
.p-dek{ font-family:var(--serif); font-weight:300; font-size:clamp(19px,2.2vw,26px); line-height:1.5; color:var(--ink-2); max-width:42ch; margin-top:30px; }

/* metadata strip */
.p-meta{ display:grid; grid-template-columns:repeat(5,1fr); border-top:1px solid var(--line-strong); margin-top:54px; }
.p-meta div{ padding:22px 22px 24px 0; border-right:1px solid var(--line); }
.p-meta div:last-child{ border-right:0; }
.p-meta dt{ font-family:var(--sans); font-size:11px; font-weight:600; letter-spacing:.13em; text-transform:uppercase; color:var(--sage); }
.p-meta dd{ margin:9px 0 0; font-family:var(--serif); font-size:18px; color:var(--ink); }

/* full-bleed hero image */
.p-band{ height:78vh; }

/* overview */
.overview{ display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:start; }
.overview .lead{ font-family:var(--display); font-weight:300; font-size:clamp(30px,3.6vw,46px); line-height:1.12; letter-spacing:-.01em; }
.overview .lead em{ font-style:italic; color:var(--sage); }
.overview .body p{ font-size:18px; color:var(--ink-2); }
.overview .body p:last-child{ margin-bottom:0; }

/* chapters (challenge / constraints / process / solution / outcome) */
.chapter{ display:grid; grid-template-columns:0.66fr 1.5fr; gap:60px; padding:60px 0; border-top:1px solid var(--line); align-items:start; }
.chapter .ch-l{ position:sticky; top:96px; }
.chapter .ch-l .num{ font-family:var(--mono); font-size:12.5px; color:var(--sage); }
.chapter .ch-l h3{ font-family:var(--display); font-weight:400; font-size:40px; line-height:1; margin-top:12px; }
.chapter .ch-r p{ font-size:18.5px; color:var(--ink-2); max-width:60ch; }
.chapter .ch-r p:last-child{ margin-bottom:0; }
.chapter .ch-r .pull{ font-family:var(--serif); font-weight:300; font-size:25px; line-height:1.4; color:var(--ink); border-left:2px solid var(--sage); padding-left:26px; margin:8px 0 26px; max-width:40ch; }
.constraints{ list-style:none; margin:14px 0 0; padding:0; columns:2; column-gap:48px; }
.constraints li{ font-size:16.5px; color:var(--ink-2); padding:11px 0; border-top:1px solid var(--line); break-inside:avoid; }
.constraints li::before{ content:attr(data-n); font-family:var(--mono); font-size:11px; color:var(--sage); margin-right:14px; }

/* gallery */
.gallery{ display:grid; grid-template-columns:repeat(6,1fr); gap:18px; }
.gallery .plate .cap{ font-size:11px; }
.g-wide{ grid-column:span 4; }
.g-tall{ grid-column:span 2; grid-row:span 2; }
.g-half{ grid-column:span 3; }
.g-third{ grid-column:span 2; }
.g-full{ grid-column:span 6; }
.gh-260{ height:260px; } .gh-340{ height:340px; } .gh-420{ height:420px; } .gh-540{ height:540px; }

/* drawings */
.drawings{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.drawings .plate{ height:300px; }

/* downloads */
.downloads{ display:grid; grid-template-columns:repeat(2,1fr); gap:0; border-top:1px solid var(--line-strong); }
.dl-item{ display:flex; align-items:center; justify-content:space-between; gap:24px; padding:26px 30px 26px 0; border-bottom:1px solid var(--line); }
.dl-item:nth-child(odd){ padding-right:30px; border-right:1px solid var(--line); padding-left:0; }
.dl-item:nth-child(even){ padding-left:30px; }
.dl-item .nm{ font-family:var(--serif); font-size:19px; }
.dl-item > div:first-child{ flex:1 1 auto; min-width:0; }
.dl-item .sub{ font-family:var(--mono); font-size:11px; color:var(--ink-soft); margin-top:4px; }
.dl-item .arrow{ font-family:var(--mono); font-size:12px; letter-spacing:.08em; color:var(--sage); white-space:nowrap; border:1px solid var(--line-strong); border-radius:100px; padding:9px 16px; transition:background .2s,color .2s; }
.dl-item:hover .arrow{ background:var(--sage); color:var(--paper); border-color:var(--sage); }

/* metadata + timeline panel */
.recordgrid{ display:grid; grid-template-columns:1fr 1fr; gap:64px; }
.record dl{ display:grid; grid-template-columns:150px 1fr; }
.record dt{ font-family:var(--sans); font-size:12px; font-weight:600; letter-spacing:.1em; text-transform:uppercase; color:var(--sage); padding:15px 0; border-top:1px solid var(--line); }
.record dd{ margin:0; padding:15px 0; border-top:1px solid var(--line); font-size:16.5px; color:var(--ink-2); }
.timeline{ display:grid; gap:0; }
.tl{ display:grid; grid-template-columns:120px 1fr; gap:24px; padding:18px 0; border-top:1px solid var(--line); }
.tl .when{ font-family:var(--mono); font-size:12px; color:var(--sage); }
.tl .what{ font-family:var(--serif); font-size:17px; color:var(--ink); }
.tl .what span{ display:block; font-family:var(--sans); font-size:12px; color:var(--ink-soft); margin-top:3px; letter-spacing:.02em; }

/* related / next */
.related{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
.rel-card .plate{ height:300px; margin-bottom:18px; }
.rel-card .num{ font-family:var(--mono); font-size:12px; color:var(--sage); }
.rel-card h4{ font-family:var(--display); font-weight:400; font-size:30px; line-height:1.02; margin:8px 0 4px; }
.rel-card .meta{ font-family:var(--sans); font-size:11px; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); }
.rel-card:hover h4{ color:var(--sage); }

/* next-project band */
.nextband{ background:var(--ink); color:var(--paper); }
.nextband .eyebrow{ color:var(--sage-2); }
.nextband h2{ font-family:var(--display); font-weight:300; font-size:clamp(40px,7vw,92px); line-height:.96; letter-spacing:-.01em; margin-top:14px; }
.nextband h2 em{ font-style:italic; }
.nextband .meta{ font-family:var(--mono); font-size:12.5px; color:#8a8f82; margin-top:22px; }

@media (max-width:980px){
  .p-meta{ grid-template-columns:1fr 1fr; }
  .p-meta div{ border-right:0; border-bottom:1px solid var(--line); }
  .overview,.recordgrid{ grid-template-columns:1fr; gap:36px; }
  .chapter{ grid-template-columns:1fr; gap:24px; padding:44px 0; }
  .chapter .ch-l{ position:static; }
  .chapter .ch-l h3{ font-size:32px; }
  .constraints{ columns:1; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
  .g-wide,.g-tall,.g-half,.g-third,.g-full{ grid-column:span 2; grid-row:auto; }
  .gh-540,.gh-420{ height:320px; }
  .drawings,.related,.downloads{ grid-template-columns:1fr; }
  .dl-item,.dl-item:nth-child(odd),.dl-item:nth-child(even){ border-right:0; padding:22px 0; }
  .p-band{ height:54vh; }
}