/* ============================================================
   THE DESIGN ARTISTRY — v3 EXPERIMENT
   "Floor Plan" — spatial navigation. The portfolio is laid out
   as an architectural plan you pan and zoom; each room is a
   project. Same drawing-set language as v2 (no serif / no gold).
   ============================================================ */

:root{
  --paper:#E9E6DC;
  --paper-2:#F4F2EA;
  --panel:#F7F5EF;
  --ink:#15171A;
  --ink-2:#4A4D52;
  --ink-3:#85847C;
  --line:#C4C0B4;
  --line-2:#D7D3C7;
  --wall:#15171A;          /* plan walls */
  --red:#C13F27;
  --ease:cubic-bezier(.16,1,.3,1);
  --font:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font);background:var(--paper);color:var(--ink);
  overflow:hidden;-webkit-font-smoothing:antialiased;line-height:1.5;
}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:0;cursor:pointer}

.lbl{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3)}
.lbl.red{color:var(--red)}

/* faint drafting grid under the plan */
.grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:40px 40px;opacity:.4}

/* ============================================================
   STAGE + WORLD (pan/zoom)
   ============================================================ */
.stage{position:fixed;inset:0;z-index:1;overflow:hidden;touch-action:none;cursor:grab}
.stage.grabbing{cursor:grabbing}
.world{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}
.world.anim{transition:transform .85s var(--ease)}

/* outer building wall */
.plan-outer{position:absolute;border:3px solid var(--wall)}
.plan-outer::before{content:"";position:absolute;inset:7px;border:1px solid var(--line)}

/* ---- a room ---- */
.room{
  position:absolute;border:1.5px solid var(--wall);overflow:hidden;background:var(--panel);
  display:flex;flex-direction:column;justify-content:flex-end;
}
.room.project{cursor:pointer}
.room .floor{position:absolute;inset:0;z-index:0}
.room .floor img{transition:transform 1s var(--ease)}
.room.project:hover .floor img{transform:scale(1.05)}
.room .scrim{position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top,rgba(18,20,23,.82) 0%,rgba(18,20,23,.28) 42%,rgba(18,20,23,.05) 70%)}
.room .tag{position:relative;z-index:2;padding:26px 28px;color:#F4F2EA}
.room .tag .rn{font-family:var(--mono);font-size:13px;letter-spacing:.12em;color:#fff;opacity:.85}
.room .tag .rn b{color:var(--red);font-weight:500}
.room .tag h3{font-weight:300;font-size:30px;line-height:1.02;margin:8px 0 4px;letter-spacing:-.01em}
.room .tag .ty{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;opacity:.8}
.room .open{position:absolute;top:22px;right:24px;z-index:2;font-family:var(--mono);font-size:11px;
  letter-spacing:.16em;text-transform:uppercase;color:#fff;opacity:0;transform:translateX(-6px);
  transition:all .5s var(--ease)}
.room.project:hover .open{opacity:1;transform:none}
.room.project:hover{outline:2px solid var(--red);outline-offset:-2px}

/* doorway gaps drawn over walls */
.door{position:absolute;background:var(--panel);z-index:5}

/* ---- text rooms (foyer / practice / contact) ---- */
.room.text{background:var(--paper-2);justify-content:center;padding:46px 48px;gap:14px}
.room.text .rn{font-family:var(--mono);font-size:13px;letter-spacing:.12em}
.room.text .rn b{color:var(--red);font-weight:500}
.room.foyer{justify-content:space-between}
.room.foyer .top{display:flex;justify-content:space-between;align-items:flex-start}
.room.foyer .north{text-align:center}
.room.foyer .north .arr{width:0;height:0;margin:0 auto 4px;border-left:7px solid transparent;border-right:7px solid transparent;border-bottom:18px solid var(--ink)}
.room.foyer .north b{font-family:var(--mono);font-size:13px;color:var(--red);font-weight:500}
.room.foyer h1{font-weight:300;font-size:62px;line-height:.94;letter-spacing:-.02em}
.room.foyer h1 b{font-weight:500}
.room.foyer h1 .u{position:relative;font-weight:500}
.room.foyer h1 .u::after{content:"";position:absolute;left:0;right:0;bottom:.05em;height:3px;background:var(--red)}
.room.foyer .hint{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--ink-2)}
.room.foyer .hint b{color:var(--red);font-weight:500}
.room.practice .stmt{font-weight:300;font-size:34px;line-height:1.18;letter-spacing:-.01em}
.room.practice .stmt em{font-style:normal;color:var(--red)}
.room.practice .stats{display:flex;gap:38px;flex-wrap:wrap;margin-top:10px}
.room.practice .stats b{display:block;font-family:var(--mono);font-size:30px;font-weight:500}
.room.contact h2{font-weight:300;font-size:46px;line-height:1;letter-spacing:-.02em}
.room.contact a{display:block;margin-top:14px}
.room.contact .v{font-size:24px;font-weight:500;border-bottom:1.5px solid var(--line);padding-bottom:3px;display:inline-block;transition:border-color .5s var(--ease)}
.room.contact a:hover .v{border-color:var(--red)}

/* dimension line on plan top edge */
.dimline{position:absolute;display:flex;align-items:center;color:var(--ink-3);font-family:var(--mono);font-size:13px;letter-spacing:.1em}
.dimline .bar{flex:1;height:1px;background:var(--line);position:relative;margin:0 10px}
.dimline .bar::before,.dimline .bar::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--ink-3)}
.dimline .bar::before{left:0}.dimline .bar::after{right:0}

/* ============================================================
   HUD — overlays (chrome)
   ============================================================ */
.hud{position:fixed;z-index:10;pointer-events:none}
.hud *{pointer-events:auto}

/* title block (bottom-right, like a drawing sheet) */
.titleblock{right:20px;bottom:20px;background:var(--paper-2);border:1px solid var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ink-2);min-width:220px}
.titleblock .tb-row{display:flex;border-bottom:1px solid var(--line)}
.titleblock .tb-row:last-child{border-bottom:0}
.titleblock .tb-row span{padding:7px 12px}
.titleblock .tb-row span:first-child{color:var(--ink-3);border-right:1px solid var(--line);min-width:74px}
.titleblock .tb-row span:last-child{color:var(--ink);font-weight:500}
.titleblock .tb-head{background:var(--ink);color:#F4F2EA;padding:9px 12px;letter-spacing:.16em;font-weight:500}

/* index rail (left) */
.index{left:20px;top:20px;background:var(--paper-2);border:1px solid var(--line);max-width:230px}
.index .ix-head{padding:11px 14px;border-bottom:1px solid var(--line);font-family:var(--mono);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.index .ix-list{display:flex;flex-direction:column}
.ixitem{display:flex;gap:11px;align-items:baseline;padding:9px 14px;border-bottom:1px solid var(--line-2);
  text-align:left;transition:background .4s var(--ease);width:100%}
.ixitem:last-child{border-bottom:0}
.ixitem:hover{background:rgba(193,63,39,.07)}
.ixitem .n{font-family:var(--mono);font-size:11px;color:var(--red);font-weight:500;letter-spacing:.08em}
.ixitem .t{font-size:13.5px}
.ixitem.active{background:rgba(193,63,39,.1)}

/* zoom controls (bottom-left) */
.zoomctl{left:20px;bottom:20px;display:flex;gap:8px;align-items:center}
.zoomctl button{width:40px;height:40px;border:1px solid var(--ink);background:var(--paper-2);
  font-family:var(--mono);font-size:18px;display:flex;align-items:center;justify-content:center;
  transition:background .3s var(--ease)}
.zoomctl button:hover{background:var(--red);color:#fff;border-color:var(--red)}
.zoomctl .fit{width:auto;padding:0 14px;font-size:11px;letter-spacing:.14em;text-transform:uppercase}

/* top hint */
.tophint{left:50%;top:18px;transform:translateX(-50%);font-family:var(--mono);font-size:11px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);background:var(--paper-2);
  border:1px solid var(--line);padding:7px 16px}
.tophint b{color:var(--red);font-weight:500}

/* ============================================================
   DETAIL MODAL — drops in from the centre, large
   ============================================================ */
.scrim-bg{position:fixed;inset:0;z-index:40;background:rgba(18,20,23,.62);opacity:0;visibility:hidden;
  transition:opacity .45s var(--ease),visibility .45s}
.scrim-bg.open{opacity:1;visibility:visible}
.drawer{                                   /* (id kept; now a centered modal) */
  position:fixed;left:50%;top:50%;z-index:50;
  width:min(1080px,94vw);height:min(90vh,1000px);
  background:var(--paper);border:2px solid var(--ink);
  box-shadow:0 40px 120px rgba(18,20,23,.4);
  display:flex;flex-direction:column;overflow:hidden;
  transform:translate(-50%,-50%) translateY(-26px) scale(.96);opacity:0;visibility:hidden;
  transition:transform .5s var(--ease),opacity .42s var(--ease),visibility .5s}
.drawer.open{transform:translate(-50%,-50%) translateY(0) scale(1);opacity:1;visibility:visible}
/* injected content is the flex column that fills the modal, so .body can scroll */
#drawer-content{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}
.drawer .dh{padding:24px 34px;border-bottom:1px solid var(--line);position:relative;flex:0 0 auto;background:var(--paper-2)}
.drawer .dh .num{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--red);font-weight:500}
.drawer .dh h2{font-weight:300;font-size:38px;line-height:1.02;margin:8px 0 4px;letter-spacing:-.01em}
.drawer .dh .idea{color:var(--ink-2);font-size:16px}
.drawer .close{position:absolute;top:24px;right:30px;height:36px;padding:0 16px;border:1px solid var(--ink);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;background:var(--paper);
  display:flex;align-items:center;gap:6px;transition:background .3s var(--ease)}
.drawer .close:hover{background:var(--red);color:#fff;border-color:var(--red)}
.drawer .spec{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-bottom:1px solid var(--line);flex:0 0 auto}
.drawer .spec .r{padding:13px 20px;border-right:1px solid var(--line)}
.drawer .spec .r:last-child{border-right:0}
.drawer .spec .r .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.drawer .spec .r .vv{font-size:13.5px;margin-top:3px}
/* the scroll area */
.drawer .body{overflow-y:auto;-webkit-overflow-scrolling:touch;padding:0 0 34px;flex:1 1 auto;min-height:0}
.drawer .body .lead{padding:28px 40px 6px;color:var(--ink);font-size:20px;line-height:1.5;font-weight:400;max-width:62ch}
.drawer .wsec{padding:20px 40px;max-width:74ch}
.drawer .wsec h4{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--red);font-weight:500;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.drawer .wsec h4::before{content:"";width:18px;height:1px;background:var(--red)}
.drawer .wsec p{color:var(--ink-2);font-size:15.5px;line-height:1.64}
.drawer .wsec.mats ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.drawer .wsec.mats li{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ink);
  border:1px solid var(--line);padding:6px 11px}
.drawer .gal{display:flex;flex-direction:column;margin:8px 0}
.drawer .gal figure{position:relative;border-top:1px solid var(--line);display:flex;flex-direction:column;align-items:center;background:var(--paper-2)}
.drawer .gal img{max-width:100%;max-height:82vh;width:auto;height:auto;display:block}
.drawer .gal figcaption{align-self:flex-start;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);padding:8px 40px}
.drawer .dcta{display:block;margin:24px 40px 0;padding:16px 20px;background:var(--ink);color:var(--paper-2);
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-align:center;max-width:360px;
  transition:background .3s var(--ease)}
.drawer .dcta:hover{background:var(--red)}

/* ============================================================
   MOBILE / REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  .world.anim{transition:none}.room .floor img{transition:none}
}
@media (max-width:820px){
  .index{display:none}.tophint{display:none}
  .titleblock{left:12px;right:12px;bottom:12px;min-width:0}
  .zoomctl{bottom:auto;top:12px;left:12px}
  .drawer{width:96vw;height:92vh}
  .drawer .spec{grid-template-columns:repeat(2,1fr)}
  .drawer .spec .r{border-bottom:1px solid var(--line-2)}
  .drawer .dh h2{font-size:30px}
  .drawer .body .lead{padding:22px 24px 4px;font-size:17px}
  .drawer .wsec{padding:18px 24px}
  .drawer .gal figcaption{padding:8px 24px}
  .drawer .dcta{margin:22px 24px 0}
  .room.foyer h1{font-size:42px}
}