/* projects.css — /projects: one woven field. Four cluster regions, isometric
   module diagrams, a computed connective mesh, a shared principle baseline that
   every module drops a line into, and a mechanics/ops rail wired to the right. */

.proj-main{ padding:118px 56px 0; position:relative; z-index:5; }
.proj-head{ max-width:1320px; margin:0 auto; }
.proj-head .ttl{ font-size:15px; letter-spacing:.16em; color:var(--ink-dim); text-transform:lowercase; }
.proj-head .intro{ font-size:15px; line-height:1.68; color:var(--ink); max-width:740px; margin:16px 0 0; text-wrap:pretty; }
.proj-head .intro .em{ color:var(--gold-hi); }

/* ═══ A · the triad — three substrates, one law, each metric → 0 ═══ */
.triad-head{ max-width:1320px; margin:40px auto 18px; font-size:11px; letter-spacing:.18em;
  text-transform:uppercase; color:var(--ink-dim); }
.triad-head .th-note{ text-transform:none; letter-spacing:.02em; color:var(--faint); margin-left:8px; }
.triad{ max-width:1320px; margin:0 auto; display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
/* .tri-card is now a .surface-line (styles.css); this carries only layout + the lift */
.tri-card{ padding:20px 20px 18px; display:flex; flex-direction:column; gap:11px; }
.tri-card:hover{ transform:translateY(-3px); }
.tri-top{ display:flex; justify-content:space-between; align-items:baseline; }
.tri-tag{ font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--faint); }
.tri-zero{ font-size:13px; letter-spacing:.08em; color:var(--gold-hi); }
.tri-name{ font-size:20px; color:var(--ink); letter-spacing:.01em; }
.tri-card:hover .tri-name{ color:var(--gold-hi); }
.tri-line{ font-size:12.5px; line-height:1.55; color:var(--ink-dim); flex:1; }
.tri-meter{ margin-top:6px; }
/* the meter is the shared draining filament (.fil-rail / .fil-fill in styles.css);
   .tm-bar / .tm-bar i keep their class names only so spa-projects.js still drives the width */
.tm-read{ display:flex; flex-direction:column; gap:3px; margin-top:12px; }
.tm-val{ font-family:var(--serif); font-weight:600; font-size:34px; line-height:1; color:var(--gold-hi);
  letter-spacing:-0.01em; font-variant-numeric:tabular-nums; text-shadow:0 0 20px var(--gold-glow); }
.tm-unit{ font-size:9.5px; letter-spacing:.04em; color:var(--faint); text-align:left; }
.tri-foot{ display:flex; justify-content:space-between; align-items:center; gap:10px; margin-top:6px;
  border-top:1px solid var(--line-soft); padding-top:11px; }
.tri-aea{ font-size:10px; letter-spacing:.04em; color:var(--gold-dim); }
.tri-state{ font-size:10px; letter-spacing:.04em; color:var(--faint); }

/* ═══ B · proofs & engineering — a draggable, parallaxed carousel ═══ */
.pc-head{ max-width:1320px; margin:52px auto 16px; font-size:11px; letter-spacing:.18em;
  text-transform:uppercase; color:var(--ink-dim); }
.pc-head .pc-hnote{ text-transform:none; letter-spacing:.02em; color:var(--faint); margin-left:8px; }
.proj-carousel{ overflow-x:auto; overflow-y:hidden; cursor:grab; scrollbar-width:none; touch-action:pan-x;
  scroll-snap-type:x proximity; -webkit-overflow-scrolling:touch;
  -webkit-mask-image:linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%);
          mask-image:linear-gradient(to right, transparent 0, #000 5%, #000 95%, transparent 100%); }
.proj-carousel::-webkit-scrollbar{ display:none; }
.proj-carousel.dragging{ cursor:grabbing; }
.pc-track{ display:flex; gap:18px; width:max-content; padding:8px 8vw 18px; align-items:stretch; }
/* .pc-card is now a .surface-line (styles.css); this carries layout + the focus-dim */
.pc-card{ flex:none; width:360px; scroll-snap-align:center; overflow:hidden; padding:22px 22px 20px;
  text-decoration:none; display:flex; flex-direction:column; min-height:240px; opacity:.62;
  transition:border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease), opacity .3s var(--ease); }
.pc-card.focus{ opacity:1; border-color:rgba(234,240,251,0.18); }
.pc-card:hover{ border-color:var(--gold-dim); }
.pc-bg{ position:absolute; right:14px; top:-22px; font-size:120px; line-height:1; font-weight:600;
  color:rgba(234,240,251,0.035); pointer-events:none; will-change:transform; letter-spacing:-0.04em; }
.pc-kind{ font-size:9.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--faint); position:relative; z-index:1; }
.pc-name{ font-size:18px; color:var(--ink); letter-spacing:.01em; margin:8px 0 10px; position:relative; z-index:1; }
.pc-card.focus .pc-name{ color:var(--gold-hi); }
.pc-pat{ font-size:12px; line-height:1.55; color:var(--ink-dim); flex:1; position:relative; z-index:1; }
.pc-axis{ font-size:10.5px; letter-spacing:.04em; color:var(--gold-dim); margin-top:12px; position:relative; z-index:1; }
.pc-src{ font-size:11px; letter-spacing:.06em; color:var(--gold); margin-top:10px; position:relative; z-index:1;
  transition:letter-spacing .2s var(--ease); }
.pc-card:hover .pc-src{ letter-spacing:.1em; }
.pc-internal{ font-size:10.5px; letter-spacing:.04em; color:var(--faint); margin-top:10px; position:relative; z-index:1; }

.pc-nav{ max-width:1320px; margin:14px auto 0; display:flex; align-items:center; justify-content:center; gap:16px; }
.pc-arrow{ font-family:inherit; font-size:14px; color:var(--ink-dim); background:rgba(12,16,24,0.5);
  border:1px solid var(--line-soft); border-radius:50%; width:34px; height:34px; cursor:pointer;
  transition:color .2s, border-color .2s; }
.pc-arrow:hover{ color:var(--gold); border-color:var(--gold-dim); }
.pc-dots{ display:flex; gap:8px; }
.pc-dot{ width:7px; height:7px; border-radius:50%; border:1px solid var(--line); background:transparent;
  cursor:pointer; padding:0; transition:all .2s var(--ease); }
.pc-dot.on{ background:var(--gold); border-color:var(--gold-hi); box-shadow:0 0 7px var(--gold-glow); }

@media (max-width:1080px){
  .triad{ grid-template-columns:1fr; }
}
@media (max-width:760px){
  .proj-main{ padding:64px 18px 0; }
  .pc-card{ width:280px; }
  .pc-track{ padding:8px 14vw 18px; }
}