/* ============================================================
   CAUS — CORPORATE SECTIONS (light) + remaining site sections
   Extracted verbatim from the original single-file build.
============================================================ */


/* ============================================================
   CORPORATE SECTIONS (light)
============================================================ */
.light-section{position:relative;z-index:5;background:var(--paper);}
.section-pad{padding-top:clamp(90px,11vw,150px);padding-bottom:clamp(90px,11vw,150px);}

/* Every corporate / non-immersive section must sit in its own stacking
   context above the fixed 3D canvas (z-index:1), regardless of whether
   it also carries .light-section. Without this, sections with only a
   background-color (no explicit position/z-index) paint UNDER positioned
   z-index elements per CSS painting order, letting the fixed canvas
   bleed through. */
#solutions,#transform,#projects,#process,#industries,#reuse,#delivery{
  position:relative;z-index:5;
}

/* ============================================================
   DELIVERY SEQUENCE STRIP (bridges hero -> rest of site)
============================================================ */
#delivery{background:var(--navy-950);color:#fff;padding-top:64px;padding-bottom:64px;}
.delivery-head{margin-bottom:36px;}
.delivery-head h2{margin-top:14px;font-size:clamp(24px,2.8vw,34px);color:#fff;letter-spacing:-0.015em;}
.delivery-row{display:grid;grid-template-columns:repeat(7,1fr);border-top:1px solid rgba(255,255,255,.14);border-left:1px solid rgba(255,255,255,.14);}
.delivery-card{border-right:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14);padding:16px 14px 18px;display:flex;flex-direction:column;gap:10px;}
.dc-visual{aspect-ratio:1/1;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;}
.dc-visual svg{width:38%;height:38%;position:relative;z-index:2;color:rgba(255,255,255,.85);}
.dc-1{background:linear-gradient(150deg,#0e1620 0%,#1a2530 100%);}
.dc-2{background:linear-gradient(150deg,#0d1a24 0%,#163449 100%);}
.dc-3{background:linear-gradient(150deg,#0b1e2c 0%,#0e3752 100%);}
.dc-4{background:linear-gradient(150deg,#1b1a17 0%,#3a342a 100%);}
.dc-5{background:linear-gradient(150deg,#171a16 0%,#2e3a2a 100%);}
.dc-6{background:linear-gradient(150deg,#0c1b28 0%,#12456b 100%);}
.dc-7{background:linear-gradient(150deg,#0d1f14 0%,#204a2c 100%);}
.dc-6 svg,.dc-7 svg{color:var(--cyan);}
.dc-7 svg{color:var(--green);}
.dc-n{font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--cyan);letter-spacing:.08em;}
.dc-t{font-size:12.5px;font-weight:500;color:rgba(255,255,255,.85);line-height:1.25;}
@media (max-width:1080px){.delivery-row{grid-template-columns:repeat(4,1fr);}}
@media (max-width:600px){.delivery-row{grid-template-columns:repeat(2,1fr);}}

/* ---------- transition sliver ---------- */
#transition{
  position:relative;z-index:5;height:14vh;min-height:110px;
  background:linear-gradient(to bottom, transparent 0%, var(--paper) 100%);
  margin-top:-1px;
}

/* ---------- SCALE / STATS ---------- */
#scale .eyebrow{margin-bottom:24px;}
#scale .scale-head{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:56px;}
#scale h2{font-size:clamp(30px,3.6vw,46px);line-height:1.14;letter-spacing:-0.02em;max-width:14ch;}
#scale .scale-copy p{font-size:15.5px;line-height:1.65;color:var(--ink-soft);max-width:44ch;}
/* Blueprint texture: the same 2:1 isometric diamond grid used as the
   faint background lattice in the project diagrams (assets/graphics/
   case-*.svg — see grid_bg()), recolored for a light section. Tiles
   losslessly at any width via a repeating SVG pattern, so it stays
   correct from 320px up through desktop without a fixed-size asset. */
#scale{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='48'%3E%3Cpath d='M0 24 L48 0 L96 24 M0 24 L48 48 L96 24' stroke='%230a6fae' stroke-opacity='0.09' stroke-width='1' fill='none'/%3E%3C/svg%3E");
  background-repeat:repeat;
  background-position:center top;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:0;}
.stat-cell{
  padding:40px 28px 4px 0;border-right:1px solid var(--line);
  position:relative;transition:padding-left .3s var(--ease-out);
}
/* A thin accent rule that sweeps in from the left on hover — the same
   "quiet until touched" interaction language as .dd-row-arrow / .btn
   svg elsewhere on the site, not a new pattern. */
.stat-cell::before{
  content:"";position:absolute;top:0;left:0;width:0;height:2px;
  background:var(--blue);transition:width .35s var(--ease-out);
}
.stat-cell:hover{padding-left:10px;}
.stat-cell:hover::before{width:100%;}
.stat-cell:last-child{border-right:none;}
.stat-n{display:block;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;color:var(--blue);opacity:.7;margin-bottom:18px;}
.stat-num{font-family:'JetBrains Mono',monospace;font-size:clamp(32px,3.8vw,52px);font-weight:600;color:var(--blue-deep);letter-spacing:-0.01em;display:flex;align-items:baseline;gap:2px;}
.stat-num .suffix{font-size:0.5em;color:var(--gray-500);font-weight:500;}
.stat-label{margin-top:10px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-500);font-weight:500;}
.stat-desc{margin-top:12px;font-size:13px;line-height:1.55;color:var(--ink-soft);max-width:24ch;}
@media (max-width:900px){
  #scale .scale-head{grid-template-columns:1fr;gap:24px;}
  .stat-grid{grid-template-columns:1fr 1fr;row-gap:36px;column-gap:24px;}
  .stat-cell{border-right:none;border-top:1px solid var(--line);padding:24px 0 4px;}
  .stat-cell:hover{padding-left:0;}
  .stat-desc{max-width:none;}
}

/* ============================================================
   SOLUTIONS EXPLORER
============================================================ */
#solutions{background:var(--ink);color:#fff;}
#solutions .sol-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:54px;}
#solutions .sol-head h2{font-size:clamp(28px,3.4vw,44px);color:#fff;letter-spacing:-0.02em;max-width:16ch;line-height:1.12;}
.sol-grid{display:grid;grid-template-columns:340px 1fr;gap:0;border-top:1px solid rgba(255,255,255,.14);}
.sol-nav{border-right:1px solid rgba(255,255,255,.14);}
.sol-item{
  display:flex;align-items:center;gap:18px;padding:22px 26px;cursor:pointer;
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:background var(--dur-s);
}
.sol-item .sol-n{font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(255,255,255,.35);}
.sol-item .sol-t{font-size:16px;font-weight:500;color:rgba(255,255,255,.55);letter-spacing:-0.005em;transition:color var(--dur-s);}
.sol-item.active{background:rgba(255,255,255,.045);}
.sol-item.active .sol-t{color:#fff;}
.sol-item.active .sol-n{color:var(--cyan);}
.sol-item:hover .sol-t{color:#fff;}
.sol-stage{position:relative;min-height:520px;overflow:hidden;}
.sol-visual{
  position:absolute;inset:0;opacity:0;transition:opacity .9s var(--ease-out);
}
.sol-visual.active{opacity:1;}
.sol-visual .sv-scene{position:absolute;inset:0;}
.sol-visual .sv-overlay{position:absolute;left:0;right:0;bottom:0;padding:32px clamp(20px,3vw,44px);
  background:linear-gradient(to top, rgba(6,9,13,.86), transparent);
}
.sol-visual .sv-tag{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase;margin-bottom:10px;}
.sol-visual .sv-desc{font-size:14.5px;color:rgba(255,255,255,.72);max-width:52ch;line-height:1.6;}
.sol-visual .sv-link{margin-top:16px;display:inline-flex;}
@media (max-width:900px){
  .sol-grid{grid-template-columns:1fr;}
  .sol-nav{border-right:none;display:grid;grid-template-columns:1fr 1fr;}
  .sol-stage{min-height:380px;}
}

/* engineered "photography" scenes — CSS/SVG generated industrial imagery */
/* scene-industrial / scene-municipal / scene-advanced / scene-modernize now
   render the 3 Selected Projects' hand-built isometric process-schematic
   SVGs (assets/graphics/case-*.svg) instead of flat placeholder gradients.
   Pure vector line art in the site's own dark-navy/cyan engineering
   palette -- no photography, no AI-generated imagery -- so the case
   studies never claim to show an actual, unverified facility photo. The
   gradient stays as a background-color fallback behind the (transparent)
   SVG canvas while the asset loads. */
.scene-industrial{
  background-color:#141d28;
  background-image:url("../assets/graphics/case-automotive-model.svg");
  background-size:cover;background-position:center;
}
.scene-membrane{background:linear-gradient(115deg,#0d2233 0%,#134766 45%,#0a1a26 100%);}
.scene-municipal{
  background-color:#141d28;
  background-image:url("../assets/graphics/case-municipal.svg");
  background-size:cover;background-position:center;
}
.scene-advanced{
  background-color:#141d28;
  background-image:url("../assets/graphics/case-advanced.svg");
  background-size:cover;background-position:center;
}
.scene-package{background:linear-gradient(100deg,#232526 0%,#39424a 45%,#141517 100%);}
.scene-modernize{
  background-color:#141d28;
  background-image:url("../assets/graphics/case-automotive-built.svg");
  background-size:cover;background-position:center;
}

/* faint blueprint grid behind every scene's line-art, reinforcing the
   "engineering drawing" language used elsewhere (dc-visual icons, hero
   markers). Pure CSS, no image asset. */
.sol-visual .sv-scene::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg, rgba(255,255,255,.05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.05) 0 1px, transparent 1px 56px);
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 65% 40%, #000 0%, transparent 75%);
  mask-image:radial-gradient(ellipse 90% 80% at 65% 40%, #000 0%, transparent 75%);
}
/* the technical line-art illustration itself — reserves a clear band at
   the bottom so it never collides with the sv-overlay text block */
.sol-visual .sv-art-wrap{
  position:absolute;inset:0 0 200px 0;pointer-events:none;
  display:flex;align-items:center;justify-content:flex-end;
  padding:28px clamp(20px,3vw,44px) 0 0;
}
.sol-visual .sv-art{width:100%;max-width:380px;height:auto;opacity:.95;
  filter:drop-shadow(0 14px 34px rgba(0,0,0,.4));}
@media (max-width:900px){
  .sol-visual .sv-art-wrap{inset:0 0 160px 0;justify-content:center;padding:18px;}
  .sol-visual .sv-art{max-width:200px;opacity:.85;}
}

/* ============================================================
   DRAWING -> MODEL -> REALITY  (signature interaction)
============================================================ */
#transform{background:var(--navy-950);color:#fff;height:520vh;position:relative;}
.transform-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;flex-direction:column;justify-content:center;}
.tf-head{position:absolute;top:calc(var(--nav-h) + 30px);left:0;right:0;z-index:3;text-align:center;}
.tf-head h2{font-size:clamp(24px,3vw,38px);font-weight:500;color:#fff;letter-spacing:-0.01em;}
.tf-stage{position:relative;flex:1;display:flex;align-items:center;justify-content:center;}
.tf-canvas-wrap{position:relative;width:min(1180px,88vw);aspect-ratio:16/9;}
.tf-layer{position:absolute;inset:0;opacity:0;}
.tf-word{
  position:absolute;left:50%;bottom:9%;transform:translateX(-50%);
  font-family:'JetBrains Mono',monospace;font-size:clamp(13px,1.6vw,16px);
  letter-spacing:.28em;text-transform:uppercase;color:var(--cyan);opacity:0;
  text-align:center;
}
.tf-progress{position:absolute;bottom:6%;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:3;}
.tf-progress i{width:30px;height:2px;background:rgba(255,255,255,.18);position:relative;overflow:hidden;}
.tf-progress i em{position:absolute;inset:0;background:var(--cyan);transform:scaleX(0);transform-origin:left;}
.tf-layer svg{width:100%;height:100%;display:block;}
.tf-layer{transition:opacity .1s linear;}

#gl-fixed.no-webgl{
  background:
    radial-gradient(ellipse 120% 90% at 50% 18%, #17273a 0%, #0a121c 46%, #060a10 100%);
}
#gl-fixed.no-webgl canvas{display:none;}

/* ============================================================
   FEATURED PROJECTS
============================================================ */
#projects{background:var(--navy-900);color:#fff;}
#projects .proj-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:40px;}
#projects .proj-head h2{font-size:clamp(28px,3.4vw,44px);color:#fff;letter-spacing:-0.02em;max-width:16ch;}
.proj-viewall-btn{background:none;border:none;cursor:pointer;font:inherit;}

/* ---- tabs ---- */
.proj-tabs{display:flex;gap:0;margin-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);}
.proj-tab-btn{
  font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:rgba(255,255,255,.5);background:none;border:none;cursor:pointer;
  padding:0 4px 18px;margin-right:32px;position:relative;
  transition:color var(--dur-s) var(--ease-out);
}
.proj-tab-btn::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--cyan);transform:scaleX(0);transform-origin:left;transition:transform var(--dur-m) var(--ease-out);}
.proj-tab-btn:hover{color:rgba(255,255,255,.85);}
.proj-tab-btn.active{color:#fff;}
.proj-tab-btn.active::after{transform:scaleX(1);}

/* ---- panels ---- */
.proj-panel{display:none;}
.proj-panel.active{display:block;}

/* ---- all-projects accordion ---- */
.proj-accordion{border-top:1px solid rgba(255,255,255,.14);}
.proj-acc-item{border-bottom:1px solid rgba(255,255,255,.14);}
.proj-acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;background:none;border:none;cursor:pointer;text-align:left;color:#fff;
  transition:opacity var(--dur-s) var(--ease-out);
}
.proj-acc-head:hover{opacity:.78;}
.proj-acc-head-main{display:flex;flex-direction:column;gap:7px;}
.proj-acc-head-main .pm-id{margin-bottom:0;}
.proj-acc-name{font-size:clamp(16px,1.6vw,20px);font-weight:500;letter-spacing:-0.01em;line-height:1.3;}
.proj-acc-loc{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:rgba(255,255,255,.45);letter-spacing:.03em;}
.proj-acc-chev{width:16px;height:16px;flex:none;color:rgba(255,255,255,.55);transition:transform var(--dur-m) var(--ease-out),color var(--dur-m) var(--ease-out);}
.proj-acc-item.open .proj-acc-head{opacity:1;}
.proj-acc-item.open .proj-acc-chev{transform:rotate(45deg);color:var(--cyan);}
.proj-acc-body{max-height:0;overflow:hidden;transition:max-height var(--dur-m) var(--ease-out);}
.proj-acc-item.open .proj-acc-body{max-height:900px;}
.proj-acc-inner{display:grid;grid-template-columns:0.85fr 1.15fr;gap:40px;align-items:center;padding:4px 0 44px;}
.proj-acc-visual{position:relative;aspect-ratio:5/4;overflow:hidden;}
.proj-acc-inner .proj-meta .pm-data{margin-top:0;padding-top:0;border-top:none;}
@media (max-width:900px){
  .proj-acc-inner{grid-template-columns:1fr;gap:20px;padding-bottom:34px;}
}
.proj-case{border-top:1px solid rgba(255,255,255,.14);padding:64px 0;display:grid;grid-template-columns:0.85fr 1.15fr;gap:56px;align-items:center;}
.proj-case:last-child{border-bottom:1px solid rgba(255,255,255,.14);}
.proj-case.reverse{grid-template-columns:1.15fr 0.85fr;}
.proj-case.reverse .proj-visual{order:2;}
.proj-meta .pm-id{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--cyan);letter-spacing:.1em;margin-bottom:18px;}
.proj-meta h3{font-size:clamp(21px,2.1vw,28px);font-weight:500;line-height:1.22;color:#fff;letter-spacing:-0.01em;}
.proj-meta .pm-loc{margin-top:10px;font-size:13px;color:rgba(255,255,255,.5);font-family:'JetBrains Mono',monospace;letter-spacing:.03em;}
.pm-data{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);}
.pm-data div .k{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.4);font-family:'JetBrains Mono',monospace;}
.pm-data div .v{margin-top:6px;font-size:14.5px;color:#fff;font-weight:500;}
.pm-scope{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;}
.pm-scope span{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.05em;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.18);padding:6px 10px;}
.proj-meta .btn-line{margin-top:28px;color:#fff;}

.proj-visual{position:relative;aspect-ratio:5/4;overflow:hidden;}
.compare{position:absolute;inset:0;cursor:ew-resize;}
.compare .side{position:absolute;inset:0;}
.compare .side.built{clip-path:inset(0 0 0 0);}
.compare .side.model{clip-path:inset(0 0 0 50%);}
.compare .handle{position:absolute;top:0;bottom:0;left:50%;width:1px;background:rgba(255,255,255,.85);}
.compare .handle .knob{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;background:rgba(10,14,20,.75);border:1px solid rgba(255,255,255,.5);
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);
}
.compare .handle .knob svg{width:16px;height:16px;color:#fff;}
.compare .tag{position:absolute;top:16px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;background:rgba(6,9,13,.6);backdrop-filter:blur(4px);color:#fff;}
.compare .tag.left{left:16px;}
.compare .tag.right{right:16px;}

@media (max-width:900px){
  .proj-case,.proj-case.reverse{grid-template-columns:1fr;gap:28px;}
  .proj-case.reverse .proj-visual{order:0;}
  .pm-data{grid-template-columns:1fr 1fr;}
}

/* ============================================================
   PROCESS EXPLORER
============================================================ */
#process{background:var(--paper);}
.proc-head{max-width:640px;margin-bottom:56px;}
.proc-head h2{font-size:clamp(28px,3.4vw,44px);letter-spacing:-0.02em;}
.proc-head p{margin-top:16px;font-size:15px;color:var(--ink-soft);line-height:1.6;}
.proc-grid{display:grid;grid-template-columns:300px 1fr;gap:0;border:1px solid var(--line);}
.proc-stages{border-right:1px solid var(--line);}
.proc-stage-btn{
  width:100%;text-align:left;background:none;border:none;border-bottom:1px solid var(--line);
  padding:20px 24px;display:flex;align-items:center;gap:14px;
}
.proc-stage-btn:last-child{border-bottom:none;}
.proc-stage-btn .ps-n{font-family:'JetBrains Mono',monospace;font-size:10.5px;color:var(--gray-400);}
.proc-stage-btn .ps-t{font-size:14.5px;font-weight:500;color:var(--ink-soft);}
.proc-stage-btn.active{background:var(--ink);}
.proc-stage-btn.active .ps-t{color:#fff;}
.proc-stage-btn.active .ps-n{color:var(--cyan);}
.proc-view{position:relative;min-height:460px;background:var(--navy-950);overflow:hidden;}
.proc-scene{position:absolute;inset:0;}
.proc-info{
  position:absolute;left:28px;bottom:28px;right:28px;max-width:440px;
  background:rgba(6,10,16,.6);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.12);
  padding:22px 26px;opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease-out), transform .5s var(--ease-out);
}
.proc-info.show{opacity:1;transform:translateY(0);}
.proc-info h4{color:#fff;font-size:16px;font-weight:500;}
.proc-info p{margin-top:8px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.55;}
@media (max-width:900px){
  .proc-grid{grid-template-columns:1fr;}
  .proc-stages{border-right:none;display:grid;grid-template-columns:repeat(2,1fr);}
}

/* ============================================================
   INDUSTRIES
============================================================ */
#industries{background:var(--ink);color:#fff;}
#industries .ind-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:46px;}
#industries h2{font-size:clamp(28px,3.4vw,44px);color:#fff;letter-spacing:-0.02em;max-width:16ch;}
.ind-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.14);border-left:1px solid rgba(255,255,255,.14);}
.ind-cell{
  border-right:1px solid rgba(255,255,255,.14);border-bottom:1px solid rgba(255,255,255,.14);
  aspect-ratio:1/1;position:relative;overflow:hidden;padding:20px;display:flex;flex-direction:column;justify-content:flex-end;
}
.ind-cell .ind-bg{position:absolute;inset:0;opacity:.85;transition:transform 1.2s var(--ease-out);}
.ind-cell:hover .ind-bg{transform:scale(1.06);}
.ind-cell::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(6,9,13,.82), rgba(6,9,13,.06) 60%);}
.ind-cell .ind-label{position:relative;z-index:2;font-size:14.5px;font-weight:500;color:#fff;letter-spacing:-0.005em;}
.ind-cell .ind-n{position:relative;z-index:2;font-family:'JetBrains Mono',monospace;font-size:10px;color:rgba(255,255,255,.4);margin-bottom:8px;}
/* per-sector technical line-art, same drawn-not-photographed language as the
   solutions panel icons (css/sections.css .sv-art) -- sits under the
   .ind-cell::after dark gradient like a background image would, so it dims
   toward the bottom where the label text needs contrast. */
.ind-cell .ind-art-wrap{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:30px 22px 68px;pointer-events:none;}
.ind-cell .ind-art{width:100%;max-width:130px;height:auto;opacity:.92;transition:transform 1.2s var(--ease-out);}
.ind-cell:hover .ind-art{transform:scale(1.05);}
@media (max-width:900px){.ind-grid{grid-template-columns:repeat(2,1fr);}.ind-cell .ind-art{max-width:92px;}.ind-cell .ind-art-wrap{padding:20px 16px 58px;}}

/* ============================================================
   WATER REUSE
============================================================ */
#reuse{background:var(--paper);}
.reuse-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;}
.reuse-copy h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-0.02em;line-height:1.14;}
.reuse-copy p{margin-top:18px;font-size:15px;color:var(--ink-soft);line-height:1.65;max-width:46ch;}
.reuse-data{margin-top:34px;display:flex;flex-direction:column;gap:0;}
.reuse-data div{display:flex;justify-content:space-between;align-items:baseline;padding:16px 0;border-top:1px solid var(--line);}
.reuse-data div:first-child{border-top:none;}
.reuse-data .rk{font-size:12.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--gray-500);}
.reuse-data .rv{font-family:'JetBrains Mono',monospace;font-size:19px;color:var(--blue-deep);font-weight:600;}
.reuse-visual{position:relative;aspect-ratio:1/1;}
.reuse-ring{position:absolute;inset:0;}

/* ============================================================
   FOOTER
============================================================ */
#footer{background:var(--navy-950);color:rgba(255,255,255,.7);position:relative;z-index:5;}
.footer-top{display:grid;grid-template-columns:1.2fr 2fr;gap:60px;padding-top:80px;padding-bottom:64px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand img{height:34px;width:auto;margin-bottom:20px;}
.footer-brand p{font-size:13.5px;line-height:1.65;color:rgba(255,255,255,.45);max-width:34ch;}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.footer-col h5{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:18px;}
.footer-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.68);padding:7px 0;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;flex-wrap:wrap;gap:14px;}
.footer-bottom .fb-left{font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(255,255,255,.35);}
.footer-bottom .fb-right{display:flex;gap:22px;font-size:12px;color:rgba(255,255,255,.4);}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr;gap:36px;}
  .footer-cols{grid-template-columns:1fr 1fr;}
  /* Touch targets: footer links carried their desktop hover-driven sizing
     (7px vertical padding / no padding at all on the legal row) onto
     mobile, landing well under a comfortable ~44px tap height. Widen the
     tappable row without changing the visible text size. */
  .footer-col a{padding:12px 0;}
  .footer-bottom .fb-right a{display:inline-flex;align-items:center;min-height:44px;}
}

/* ============================================================
   SHARED UTIL / REVEAL
============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease-out), transform .9s var(--ease-out);}
.reveal.in{opacity:1;transform:translateY(0);}
.reveal-line{overflow:hidden;}
.reveal-line span{display:inline-block;transform:translateY(110%);transition:transform 1s var(--ease-out);}
.reveal-line.in span{transform:translateY(0);}

.section-tag{display:flex;align-items:center;justify-content:space-between;gap:20px;}

/* preloader */
#preloader{
  position:fixed;inset:0;z-index:2000;background:#060a10;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;
  transition:opacity .8s var(--ease-out), visibility .8s;
}
#preloader.hidden{opacity:0;visibility:hidden;pointer-events:none;}
#preloader img{width:56px;height:auto;opacity:0;animation:pl-fade .9s var(--ease-out) forwards .15s;}
@keyframes pl-fade{to{opacity:1;}}
.pl-brand{
  font-family:'Inter',sans-serif;font-size:15px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:#fff;opacity:0;
  animation:pl-fade .9s var(--ease-out) forwards .3s;
}
.pl-bar{width:200px;height:1px;background:rgba(255,255,255,.14);position:relative;overflow:hidden;}
.pl-bar i{position:absolute;left:0;top:0;height:100%;background:var(--cyan);width:0%;transition:width .3s ease-out;}
.pl-text{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.35);}

@media (prefers-reduced-motion: reduce){
  .reveal,.reveal-line span,.twin-panel,.twin-caption,.xray-label,.proc-info{transition:none !important;}
}

/* mobile nav drawer — sits BELOW the nav bar (not inset:0) so the nav
   bar itself, including the burger button, stays visible and clickable
   above the panel: the same button that opens the menu also closes it. */
#mobile-nav{
  position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;z-index:850;background:rgba(6,10,16,.98);
  display:flex;flex-direction:column;justify-content:center;padding:40px var(--gutter);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .35s var(--ease-out), transform .35s var(--ease-out), visibility .35s;
  overflow-y:auto;
}
#mobile-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
#mobile-nav a{display:block;font-size:26px;font-weight:500;color:#fff;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);}
#mobile-nav .mn-cta{margin-top:30px;}

/* Solutions / Engineering / Industries accordions inside the mobile
   drawer -- same panel content as the desktop dropdown, relocated in
   place (see js/main.js) rather than duplicated. */
.mn-drop{border-bottom:1px solid rgba(255,255,255,.1);}
.mn-drop-toggle{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  background:none;border:none;text-align:left;cursor:pointer;font-family:inherit;
  font-size:26px;font-weight:500;color:#fff;padding:14px 0;
}
.mn-drop-toggle::after{
  content:"+";font-size:22px;font-weight:300;color:rgba(255,255,255,.5);
  transition:transform .3s var(--ease-out);
}
.mn-drop.open .mn-drop-toggle::after{transform:rotate(45deg);}
.mn-drop-body{max-height:0;overflow:hidden;transition:max-height .5s var(--ease-out);}
.mn-drop.open .mn-drop-body{max-height:5000px;}

/* burger -> close (X) morph while menu is open */
.nav-burger{position:relative;z-index:960;}
.nav-burger span{transition:transform .3s var(--ease-out), opacity .3s var(--ease-out);}
.nav-burger.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-burger.active span:nth-child(2){opacity:0;}
.nav-burger.active span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}