/* CAD Access Guide — construction / architecture studio theme */
:root{
  --ink:#111827;
  --concrete:#E6E2D9;
  --blueprint:#1E88E5;
  --orange:#FF8A00;
  --steel:#6B7280;
  --white:#FAFAFA;
  --deep:#0B1220;
  --line:rgba(30,136,229,0.35);
  --grid:rgba(230,226,217,0.08);
  --maxw:1120px;
  --radius:14px;
  --ff-head:'Space Grotesk','Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --ff-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --ff-mono:'IBM Plex Mono','JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:var(--ff-head);line-height:1.18;font-weight:700;letter-spacing:-0.02em}
h1{font-size:clamp(2.1rem,5vw,3.4rem);margin:0 0 .5em}
h2{font-size:clamp(1.5rem,3vw,2.1rem);margin:0 0 .6em}
h3{font-size:1.18rem;margin:0 0 .4em}
p{margin:0 0 1em}
a{color:var(--blueprint);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:var(--ff-mono);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--steel)}
.eyebrow{font-family:var(--ff-mono);font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blueprint);margin-bottom:.8rem;display:block}
img,svg{max-width:100%}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--ff-head);font-weight:600;font-size:.98rem;padding:.85rem 1.4rem;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:.18s ease;text-decoration:none}
.btn-primary{background:var(--orange);color:#1a1205}
.btn-primary:hover{background:#ff9d2e;text-decoration:none;transform:translateY(-1px)}
.btn-secondary{background:transparent;color:var(--white);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--blueprint);text-decoration:none}
.btn-ghost{background:transparent;color:var(--blueprint);border-color:rgba(30,136,229,.4)}
.btn-ghost:hover{background:rgba(30,136,229,.07);text-decoration:none}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--ff-head);font-weight:700;color:var(--white);font-size:1.05rem;text-decoration:none;letter-spacing:-.01em}
.brand .logo{width:26px;height:26px}
.nav-links{display:flex;align-items:center;gap:1.4rem;list-style:none;margin:0;padding:0}
.nav-links a{color:#cbd5e1;font-size:.92rem;font-weight:500}
.nav-links a:hover{color:var(--white);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:.8rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);margin:5px 0;transition:.2s}

/* Hero */
.hero{background:var(--deep);color:var(--white);position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:34px 34px;animation:gridshift 22s linear infinite}
@keyframes gridshift{to{background-position:34px 34px}}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:72px 0 80px}
.hero h1{color:var(--white)}
.hero .lede{font-size:1.14rem;color:#cbd5e1;max-width:34rem;margin-bottom:1.6rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.8rem}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0;margin:0}
.chips li{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.03em;color:#9fb3c8;border:1px solid var(--line);border-radius:999px;padding:.34rem .7rem;text-transform:uppercase}
.blueprint-wrap{aspect-ratio:1/0.86;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,#0d1626,#0a111e);box-shadow:0 30px 60px -30px rgba(0,0,0,.6);overflow:hidden}

/* Section scaffolding */
section{padding:62px 0}
.section-deep{background:var(--deep);color:var(--white)}
.section-deep h2,.section-deep h3{color:var(--white)}
.section-ink{background:var(--ink);color:var(--white)}
.section-ink h2,.section-ink h3{color:var(--white)}
.section-concrete{background:var(--concrete)}
.lead-row{max-width:46rem;margin-bottom:2rem}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* Direct answer (answer) */
.answer-box{background:var(--white);border:1px solid #e3ddd0;border-left:4px solid var(--orange);border-radius:12px;padding:1.6rem 1.8rem;max-width:48rem}
.section-deep .answer-box{background:#0e1727;border-color:var(--line);color:#dbe4ef}
.answer-box .q{font-family:var(--ff-head);font-weight:700;font-size:1.15rem;margin-bottom:.5rem;display:block}

/* Grids */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border:1px solid #e7e1d4;border-radius:var(--radius);padding:1.5rem;transition:.18s}
.card:hover{border-color:var(--blueprint);box-shadow:0 14px 30px -22px rgba(17,24,39,.4)}
.section-deep .card,.section-ink .card{background:#0f1a2c;border-color:var(--line);color:#cdd8e6}
.card .ic{width:38px;height:38px;border-radius:9px;display:grid;place-items:center;background:rgba(30,136,229,.12);color:var(--blueprint);margin-bottom:.9rem;font-family:var(--ff-mono);font-weight:600}
.card h3{font-size:1.06rem}
.card p{font-size:.94rem;color:var(--steel);margin:0}
.section-deep .card p,.section-ink .card p{color:#9fb3c8}

/* Steps timeline */
.steps{counter-reset:step;display:grid;gap:14px;max-width:46rem}
.step{display:grid;grid-template-columns:auto 1fr;gap:1rem;align-items:start;background:#0f1a2c;border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.3rem}
.step .n{counter-increment:step;width:34px;height:34px;border-radius:8px;background:var(--orange);color:#1a1205;display:grid;place-items:center;font-family:var(--ff-head);font-weight:700}
.step .n::before{content:counter(step)}
.step h3{color:var(--white);font-size:1.02rem;margin-bottom:.2rem}
.step p{color:#9fb3c8;font-size:.92rem;margin:0}

/* Tables */
.spec{width:100%;border-collapse:collapse;font-size:.95rem;background:var(--white);border:1px solid #e7e1d4;border-radius:12px;overflow:hidden}
.spec th,.spec td{text-align:left;padding:.85rem 1rem;border-bottom:1px solid #ece7db;vertical-align:top}
.spec th{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--steel);width:34%;background:#faf8f3}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.note{font-size:.86rem;color:var(--steel);margin-top:.8rem}

/* Verification panel */
.panel{background:#0f1a2c;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;color:#cdd8e6}
.panel dl{display:grid;grid-template-columns:auto 1fr;gap:.55rem 1.2rem;margin:0;font-size:.92rem}
.panel dt{font-family:var(--ff-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:#9fb3c8}
.panel dd{margin:0;color:var(--white)}

/* Trust / "what this is not" */
.trust{border:1px solid #e7e1d4;border-radius:var(--radius);background:#fbf6ee;padding:1.6rem 1.8rem}
.trust ul{margin:.4rem 0 0;padding-left:1.1rem}
.trust li{margin-bottom:.35rem}

/* FAQ accordion */
.faq{max-width:50rem;margin-left:auto;margin-right:auto}
.faq details{border:1px solid #e7e1d4;border-radius:10px;margin-bottom:.7rem;background:var(--white);overflow:hidden}
.faq summary{cursor:pointer;padding:1rem 1.2rem;font-family:var(--ff-head);font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--orange);font-size:1.3rem;font-weight:700}
.faq details[open] summary::after{content:'\2013'}
.faq .a{padding:0 1.2rem 1.1rem;color:var(--steel);font-size:.95rem}

/* Blog cards */
.post{display:flex;flex-direction:column;background:var(--white);border:1px solid #e7e1d4;border-radius:var(--radius);overflow:hidden;transition:.18s}
.post:hover{border-color:var(--blueprint);transform:translateY(-2px)}
.post .thumb{height:120px;background:var(--deep);position:relative;overflow:hidden}
.post .thumb .mini-grid{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:22px 22px;opacity:.5}
.post .body{padding:1.1rem 1.2rem 1.3rem}
.post .tag{font-family:var(--ff-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blueprint)}
.post h3{font-size:1.04rem;margin:.4rem 0 .35rem}
.post p{font-size:.9rem;color:var(--steel);margin:0}

/* Breadcrumbs */
.crumbs{font-family:var(--ff-mono);font-size:.74rem;color:var(--steel);padding:1.1rem 0;text-transform:uppercase;letter-spacing:.04em}
.crumbs a{color:var(--steel)}
.crumbs a:hover{color:var(--blueprint)}

/* Article */
.article{max-width:48rem;margin:0 auto;padding:34px 0 10px}
.article h1{margin-bottom:.3em}
.article .meta{font-family:var(--ff-mono);font-size:.76rem;color:var(--steel);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1.8rem}
.article h2{margin-top:1.6em}
.article ul,.article ol{padding-left:1.2rem}
.article li{margin-bottom:.4rem}
.related{border-top:1px solid #e7e1d4;margin-top:2.4rem;padding-top:1.4rem}

/* CTA band */
.cta-band{background:var(--deep);color:var(--white);text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-band h2{color:var(--white)}
.cta-band p{color:#9fb3c8;max-width:38rem;margin:0 auto 1.5rem}

/* Footer */
footer.site{background:var(--ink);color:#9aa6b6;padding:48px 0 30px;font-size:.9rem}
footer.site .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;margin-bottom:30px}
footer.site h4{color:var(--white);font-family:var(--ff-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:.8rem}
footer.site a{color:#9aa6b6;display:block;margin-bottom:.45rem}
footer.site a:hover{color:var(--white);text-decoration:none}
footer.site .brand{color:var(--white);margin-bottom:.6rem}

/* Utility */
.tag-pill{display:inline-block;font-family:var(--ff-mono);font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;color:var(--orange);border:1px solid rgba(255,138,0,.4);border-radius:999px;padding:.25rem .6rem;margin-bottom:1rem}
.muted{color:var(--steel)}
.stack-sm > * + *{margin-top:.6rem}

/* Responsive */
@media(max-width:860px){
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:48px 0 56px}
  .grid-3{grid-template-columns:1fr 1fr}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:66px 0 auto 0;background:var(--deep);flex-direction:column;align-items:flex-start;gap:0;padding:10px 22px 18px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:.7rem 0;width:100%;border-bottom:1px solid rgba(255,255,255,.05)}
  .nav-toggle{display:block}
}
@media(max-width:560px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .panel dl{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr}
}

/* --- Blueprint hero animation --- */
.bp path,.bp line,.bp polyline,.bp rect.draw{
  stroke-dasharray:1;stroke-dashoffset:1;
  stroke-dasharray:var(--len,1200);stroke-dashoffset:var(--len,1200);
  animation:draw 2.2s ease forwards;
}
.bp .foundation{animation-delay:.2s}
.bp .wall{animation-delay:1.0s}
.bp .roof{animation-delay:2.0s}
.bp .window{animation-delay:2.9s}
.bp .door{animation-delay:3.1s}
.bp .dim{animation-delay:3.6s}
.bp .tick{animation-delay:3.9s}
@keyframes draw{to{stroke-dashoffset:0}}
.bp .label{opacity:0;animation:fadein .6s ease forwards;animation-delay:4.2s}
.bp .pulse{animation:cursormove 6s ease-in-out 1s infinite}
@keyframes fadein{to{opacity:1}}
@keyframes cursormove{
  0%{transform:translate(60px,250px)}
  20%{transform:translate(360px,250px)}
  40%{transform:translate(360px,90px)}
  55%{transform:translate(210px,40px)}
  70%{transform:translate(60px,90px)}
  85%{transform:translate(60px,250px)}
  100%{transform:translate(60px,250px)}
}
@media(prefers-reduced-motion:reduce){
  .bp path,.bp line,.bp polyline,.bp rect.draw,.bp .label{animation:none;stroke-dashoffset:0;opacity:1}
  .bp .pulse{animation:none}
  .hero-grid{animation:none}
}

/* ===== Premium brand wrapper (v2 patch) ===== */
header.site{box-shadow:0 1px 0 var(--line)}
header.site::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--blueprint),var(--orange));z-index:60}
header.site{position:sticky}
.brand-text{font-family:var(--ff-head);font-weight:700;color:#fff;letter-spacing:-.01em;font-size:1.06rem}
.brand-text strong{color:var(--orange);font-weight:700}
.brand .logo{filter:drop-shadow(0 0 6px rgba(30,136,229,.4))}

/* company campaign badge */
.kicker{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:#cbd5e1;border:1px solid var(--line);border-radius:999px;padding:.35rem .8rem;margin-bottom:1.2rem}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(255,138,0,.18)}

/* hero glow + bigger visual frame */
.hero{position:relative}
.hero::after{content:"";position:absolute;top:-20%;right:-10%;width:55%;height:140%;background:radial-gradient(closest-side,rgba(30,136,229,.16),transparent 70%);pointer-events:none}
.hero-inner{padding:84px 0 92px}
.blueprint-wrap{aspect-ratio:1/0.92;position:relative}
.blueprint-wrap::before{content:"BLUEPRINT / DRAFTING VIEW";position:absolute;top:10px;left:14px;font-family:var(--ff-mono);font-size:.62rem;letter-spacing:.14em;color:#5d7a9c;z-index:2}
.bp-toolbar{position:absolute;top:8px;right:12px;display:flex;gap:6px;z-index:2}
.bp-toolbar i{width:9px;height:9px;border-radius:2px;display:block;opacity:.8}
.bp-toolbar .b1{background:var(--blueprint)}.bp-toolbar .b2{background:var(--orange)}.bp-toolbar .b3{background:var(--steel)}

/* access route cards (numbered, premium) */
.access{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.access .access-card{position:relative;background:#0f1a2c;border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;color:#cdd8e6;display:flex;flex-direction:column;transition:.18s}
.access .access-card:hover{border-color:var(--blueprint);transform:translateY(-2px)}
.access .rn{font-family:var(--ff-mono);font-size:.72rem;color:var(--orange);letter-spacing:.1em}
.access h3{color:#fff;margin:.4rem 0 .4rem;font-size:1.08rem}
.access p{color:#9fb3c8;font-size:.93rem;margin:0 0 1rem}
.access a.more{margin-top:auto;font-family:var(--ff-head);font-weight:600;font-size:.9rem;color:var(--blueprint)}

/* alternatives strip */
.alt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.alt{background:var(--white);border:1px solid #e7e1d4;border-radius:12px;padding:1.1rem 1.2rem}
.alt h4{font-family:var(--ff-head);font-size:1rem;margin:0 0 .25rem}
.alt span{font-family:var(--ff-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;color:var(--blueprint)}
.alt p{font-size:.86rem;color:var(--steel);margin:.45rem 0 0}

/* dashed technical divider */
.tdiv{height:1px;border:0;border-top:1px dashed var(--line);max-width:var(--maxw);margin:0 auto}

/* guide library groups */
.cluster{border:1px solid #e7e1d4;border-radius:var(--radius);background:var(--white);padding:1.4rem 1.5rem;margin-bottom:18px}
.cluster h3{font-size:1.05rem;display:flex;align-items:center;gap:.6rem}
.cluster h3 .tagk{font-family:var(--ff-mono);font-size:.64rem;letter-spacing:.08em;text-transform:uppercase;color:var(--orange);border:1px solid rgba(255,138,0,.4);border-radius:999px;padding:.2rem .55rem}
.cluster ul{list-style:none;padding:0;margin:.6rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem}
.cluster li a{font-size:.94rem}
.cluster .soon{color:var(--steel);font-size:.9rem;font-style:italic}

@media(max-width:860px){.access,.alt-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.access,.alt-grid{grid-template-columns:1fr}}

/* extended blueprint animation delays */
.bp .grid-lines{opacity:.5}
.bp .floor{animation-delay:.5s}
.bp .floorplan{animation-delay:4.3s}
.bp .elevation{animation-delay:3.4s}
.bp .door2{animation-delay:3.2s}
.bp .dimv{animation-delay:3.7s}
.bp .layer-tag{opacity:0;animation:fadein .6s ease forwards;animation-delay:4.0s}

/* ===== CSS 3D house (hero) ===== */
.house3d{position:relative;overflow:hidden}
.house3d::before{display:none}            /* hide old 2D label */
.house3d .bp-tag{position:absolute;z-index:3;font-family:var(--ff-mono);font-size:.6rem;letter-spacing:.12em;color:#5d7a9c;text-transform:uppercase}
.house3d .bp-tag.tl{top:10px;left:14px}
.house3d .bp-tag.bl{bottom:12px;left:14px}
.house3d .bp-tag.br{bottom:12px;right:14px;color:#7e8aa0}
.house3d .stage{position:absolute;inset:0;display:grid;place-items:center;perspective:1200px;perspective-origin:50% 42%}
.house3d .world{transform-style:preserve-3d;transform:rotateX(-20deg) rotateZ(0deg)}
.house3d .building{position:relative;width:0;height:0;transform-style:preserve-3d;transform:rotateY(-24deg);animation:houseSpin 26s ease-in-out infinite}
@keyframes houseSpin{0%{transform:rotateY(-26deg)}50%{transform:rotateY(22deg)}100%{transform:rotateY(-26deg)}}

/* faces share centring + 3D positioning; .pnl carries the look + build-in animation */
.house3d .face{position:absolute;top:50%;left:50%;transform-style:preserve-3d}
.house3d .face .pnl{position:absolute;inset:0;border:1.5px solid rgba(30,136,229,.85);background:rgba(30,136,229,.10);box-shadow:inset 0 0 22px rgba(30,136,229,.12)}

/* ground plane */
.house3d .ground{position:absolute;top:50%;left:50%;width:360px;height:300px;margin:-150px 0 0 -180px;transform:rotateX(-90deg) translateZ(60px)}
.house3d .ground .pnl{border:0;background:
  linear-gradient(rgba(30,136,229,.16) 1px,transparent 1px) 0 0/30px 30px,
  linear-gradient(90deg,rgba(30,136,229,.16) 1px,transparent 1px) 0 0/30px 30px,
  radial-gradient(closest-side,rgba(30,136,229,.10),transparent 70%);
  box-shadow:none;animation:fadeIn 1s ease .2s both}

/* floor slab */
.house3d .floor{width:180px;height:130px;margin:-65px 0 0 -90px;transform:rotateX(-90deg) translateZ(55px)}
.house3d .floor .pnl{background:rgba(30,136,229,.16);animation:riseUp .8s ease .9s both;transform-origin:50% 100%}

/* walls */
.house3d .wall.front{width:180px;height:110px;margin:-55px 0 0 -90px;transform:translateZ(65px)}
.house3d .wall.back{width:180px;height:110px;margin:-55px 0 0 -90px;transform:rotateY(180deg) translateZ(65px)}
.house3d .wall.side{width:130px;height:110px;margin:-55px 0 0 -65px}
.house3d .wall.left{transform:rotateY(-90deg) translateZ(90px)}
.house3d .wall.right{transform:rotateY(90deg) translateZ(90px)}
.house3d .wall .pnl{transform-origin:50% 100%;animation:riseUp 1.1s cubic-bezier(.2,.7,.2,1) 1.5s both}
.house3d .wall.back .pnl{animation-delay:1.7s}
.house3d .wall.left .pnl{animation-delay:1.9s}
.house3d .wall.right .pnl{animation-delay:2.0s}

/* gable triangles (close the ends under the roof) */
.house3d .gable{width:130px;height:170px;margin:-85px 0 0 -65px}
.house3d .gable-l{transform:rotateY(-90deg) translateZ(90px) translateY(-30px)}
.house3d .gable-r{transform:rotateY(90deg) translateZ(90px) translateY(-30px)}
.house3d .gable .pnl{border:0;background:rgba(30,136,229,.13);
  clip-path:polygon(0% 100%,0% 64.7%,50% 0%,100% 64.7%,100% 100%);
  transform-origin:50% 100%;animation:riseUp 1s ease 2.6s both}

/* roof slopes (ridge runs along width) */
.house3d .roof{width:180px;height:90px;margin:-45px 0 0 -90px}
.house3d .roof-f{transform:translateY(-85px) translateZ(33px) rotateX(47deg)}
.house3d .roof-b{transform:translateY(-85px) translateZ(-33px) rotateX(-47deg)}
.house3d .roof .pnl{border-color:rgba(255,138,0,.9);background:rgba(255,138,0,.14);box-shadow:inset 0 0 22px rgba(255,138,0,.14);animation:dropIn 1s ease 3.0s both}
.house3d .roof-b .pnl{animation-delay:3.15s}

/* ridge line */
.house3d .ridge{width:180px;height:0;margin:0 0 0 -90px;transform:translateY(-115px) rotateX(90deg)}
.house3d .ridge .pnl{border:0;border-top:2px solid rgba(255,138,0,.95);background:none;box-shadow:0 0 8px rgba(255,138,0,.6);animation:fadeIn .6s ease 3.4s both}

/* openings on the front wall */
.house3d .win,.house3d .door{position:absolute;border:1.4px solid rgba(30,136,229,.9);background:rgba(11,18,32,.5);z-index:2;opacity:0;animation:fadeIn .5s ease 3.7s both}
.house3d .win{width:40px;height:34px;top:30px;left:24px}
.house3d .win.win-b{left:auto;right:24px}
.house3d .win::before,.house3d .win::after{content:"";position:absolute;background:rgba(30,136,229,.5)}
.house3d .win::before{left:50%;top:0;bottom:0;width:1px}
.house3d .win::after{top:50%;left:0;right:0;height:1px}
.house3d .door{width:30px;height:48px;bottom:0;left:50%;margin-left:-15px;animation-delay:3.85s}

/* orange drafting cursor floating over the model */
.house3d .drafft-cursor{position:absolute;z-index:4;width:9px;height:9px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,138,0,.18);top:50%;left:50%;animation:cursorOrbit 7s ease-in-out 1s infinite}
@keyframes cursorOrbit{0%{transform:translate(-90px,30px)}25%{transform:translate(80px,10px)}50%{transform:translate(70px,-70px)}75%{transform:translate(-70px,-50px)}100%{transform:translate(-90px,30px)}}

@keyframes riseUp{from{opacity:0;transform:scaleY(0)}to{opacity:1;transform:scaleY(1)}}
@keyframes dropIn{from{opacity:0;transform:translateY(-22px) scaleY(.6)}to{opacity:1;transform:translateY(0) scaleY(1)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

@media(prefers-reduced-motion:reduce){
  .house3d .building{animation:none;transform:rotateY(-20deg)}
  .house3d .pnl{animation:none!important;opacity:1!important;transform:none!important}
  .house3d .drafft-cursor{animation:none}
}
@media(max-width:560px){
  .house3d .stage{perspective:900px}
  .house3d .world{transform:rotateX(-18deg) scale(.82)}
}

/* ===== Hero XL (exploded building scene) ===== */
.hero-xl{position:relative;overflow:hidden}
.hero-glow-2{position:absolute;top:-12%;right:-6%;width:62%;height:130%;background:radial-gradient(closest-side,rgba(255,138,0,.10),transparent 72%);pointer-events:none;z-index:0}
.hero-inner.big{grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center;padding:60px 0 70px;position:relative;z-index:1}
.hero-copy h1{font-size:clamp(2.7rem,5.6vw,4.7rem);line-height:1.01;letter-spacing:-.03em;margin-bottom:.45em}
.hero-copy h1 .accent{color:var(--orange)}
.hero-copy .lede{font-size:1.15rem;color:#aeb9c8;max-width:30rem;margin-bottom:1.5rem}
.btn-lg{padding:1rem 1.6rem;font-size:1.02rem;border-radius:11px}
.hero-feats{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:15px 24px;margin:2rem 0 0;padding:0;max-width:35rem}
.hero-feats li{display:flex;gap:.7rem;align-items:center}
.hero-feats .fi{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:rgba(255,138,0,.12);color:var(--orange);font-family:var(--ff-mono);font-size:.62rem;font-weight:600;flex:none}
.hero-feats strong{display:block;font-family:var(--ff-head);font-size:.93rem;color:#fff;line-height:1.2}
.hero-feats em{font-style:normal;font-size:.78rem;color:#8a9bb1}

.hero-scene{position:relative;z-index:1}
.hero-scene svg{width:100%;height:auto;display:block;overflow:visible;filter:drop-shadow(0 28px 55px rgba(0,0,0,.55))}

/* plate assembly + float */
.hero-scene g.plate{animation:plateIn 1.1s cubic-bezier(.2,.7,.2,1) both}
.hero-scene .p-ground{animation-delay:.25s}
.hero-scene .p2{animation-delay:1.0s}
.hero-scene .p3{animation-delay:1.45s}
.hero-scene .p-roof{animation-delay:1.9s}
.hero-scene g.bob{animation:bob 7s ease-in-out infinite}
.hero-scene .bobA{animation-delay:0s}
.hero-scene .bobB{animation-delay:-2.3s}
.hero-scene .bobC{animation-delay:-4.6s}
.hero-scene .crane{animation:fadeIn 1.1s ease 2.1s both}
.hero-scene .cols{animation:fadeIn 1.2s ease 1.6s both}
.hero-scene .nodes{animation:fadeIn .8s ease 2.3s both}
.hero-scene .bp-back,.hero-scene .dims{animation:fadeIn 1.4s ease .2s both}
@keyframes plateIn{from{opacity:0;transform:translateY(34px)}to{opacity:1;transform:translateY(0)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* construction phases rail */
.phases{position:absolute;top:24%;right:-4px;list-style:none;margin:0;padding:0 0 0 14px;border-left:1px solid var(--line);font-family:var(--ff-mono);font-size:.73rem;letter-spacing:.05em;text-transform:uppercase;color:#7e8aa0;z-index:2}
.phases::before{content:"Construction phases";display:block;color:var(--orange);font-size:.62rem;letter-spacing:.14em;margin-bottom:.6rem}
.phases li{padding:.32rem 0;display:flex;gap:.55rem;align-items:center}
.phases li span{color:#5d7a9c}
.phases li.active,.phases li.active span{color:var(--orange)}

/* project info card */
.proj-card{position:absolute;right:4px;bottom:3%;background:rgba(11,18,32,.72);border:1px solid var(--line);border-radius:9px;padding:.75rem .95rem;font-family:var(--ff-mono);font-size:.67rem;color:#9fb3c8;line-height:1.75;z-index:2;backdrop-filter:blur(5px)}
.proj-card b{color:#6b7280;font-weight:500}
.proj-card i{font-style:normal;color:#fff}
.proj-card .prog{color:var(--orange)}

@media(prefers-reduced-motion:reduce){
  .hero-scene g.plate,.hero-scene g.bob,.hero-scene .crane,.hero-scene .cols,.hero-scene .nodes,.hero-scene .bp-back,.hero-scene .dims{animation:none;opacity:1;transform:none}
}
@media(max-width:980px){
  .hero-inner.big{grid-template-columns:1fr;gap:18px}
  .hero-scene{max-width:560px;margin:0 auto}
}
@media(max-width:560px){
  .hero-feats{grid-template-columns:1fr}
  .phases{display:none}
  .proj-card{font-size:.6rem;padding:.5rem .6rem}
}

/* ===== Hero background video (drop-in over SVG fallback) ===== */
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:16px;opacity:1;transition:opacity .7s ease;z-index:3;pointer-events:none;background:transparent}
.hero-video.ready{opacity:1}
.hero-scene .phases,.hero-scene .proj-card{z-index:5}   /* overlays stay above video */

/* ===== CAD crosshair cursor ===== */
body{cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='26' height='26'%3E%3Cpath d='M13 1V10 M13 16V25 M1 13H10 M16 13H25' stroke='%23FF8A00' stroke-width='1.4'/%3E%3Ccircle cx='13' cy='13' r='2.2' fill='none' stroke='%23FF8A00' stroke-width='1'/%3E%3C/svg%3E") 13 13, crosshair}
a,button,.btn,summary,label,select{cursor:pointer}
input,textarea{cursor:text}

/* ===== Blend hero video into the dark background ===== */
.hero-video{
  border-radius:0;
  opacity:1;
  mix-blend-mode:screen;                 /* dark video bg melts into the dark page bg */
  -webkit-mask-image:radial-gradient(125% 105% at 55% 42%, #000 48%, rgba(0,0,0,0) 100%);
          mask-image:radial-gradient(125% 105% at 55% 42%, #000 48%, rgba(0,0,0,0) 100%);
}
.hero-scene svg{opacity:.12;filter:none}   /* keep only as faint ambient fallback */
.hero-scene{filter:none}


/* Header microfix: requested simplified nav */
.brand{min-width:max-content}
.brand-text{white-space:nowrap}
.nav{gap:1rem}
.nav-links{margin-left:auto}

/* How-it-works readability fix */
.section-ink .trust{background:#0f1a2c;border-color:var(--line);color:#cdd8e6}
.section-ink .trust h3{color:var(--white)}
.section-ink .trust p{color:#9fb3c8}

/* Patch: center direct answer block and harden dark-section cards */
#answer .answer-box{margin-left:auto;margin-right:auto;text-align:center;}
#answer .answer-box h2,#answer .answer-box .q,#answer .answer-box p{text-align:center;}
.section-ink .trust{background:#0f1a2c!important;border-color:rgba(30,136,229,.28)!important;color:#dbe4ef!important;}
.section-ink .trust h3{color:#FAFAFA!important;}
.section-ink .trust p{color:#c8d6e5!important;}


/* Final readability polish */
.answer-box{margin-left:auto;margin-right:auto;text-align:center}
.card,.post,.cluster,.answer-box,.step,.panel{word-break:normal;overflow-wrap:normal;hyphens:none}
.card h3,.post h3,.cluster h3,h1,h2{overflow-wrap:normal;hyphens:none;text-wrap:balance}
.card p,.post p,.cluster p,.answer-box p,.article p,.faq .a{text-wrap:pretty}
.grid-3 .card p,.grid-3 .post p{max-width:100%}

/* Final technical SEO/AEO patch: visible FAQ blocks for synced FAQPage schema */
.article-faq{max-width:48rem;margin:2rem auto 0}
.article-faq h2{text-align:left;margin-bottom:1rem}