/* Home page effects (behaviour in src/site/home-fx.js). Animates transform / opacity, plus SVG stroke-dashoffset for line drawing. */

/* ================= HERO ================= */
.hero{overflow-x:clip;--hx:0;--hy:0;--hs:0}
.hero>.wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(44px,7.4vw,104px);line-height:.98;letter-spacing:-.045em}
.hero h1 em.s{background-size:220% 100%;animation:fxSheen 9s ease-in-out infinite alternate}
@keyframes fxSheen{to{background-position:100% 0}}

/* drifting colour fields behind the headline */
.hero-aurora{position:absolute;inset:-10% 0 auto;height:820px;pointer-events:none;z-index:0;
  translate:calc(var(--hx)*18px) calc(var(--hy)*12px + var(--hs)*120px);opacity:calc(1 - var(--hs)*.8)}
.hero-aurora i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;will-change:transform}
.hero-aurora i:nth-child(1){width:520px;height:520px;left:8%;top:6%;background:radial-gradient(circle,#ffc06a,transparent 70%);animation:fxDrift1 18s ease-in-out infinite alternate}
.hero-aurora i:nth-child(2){width:460px;height:460px;right:6%;top:0;background:radial-gradient(circle,#b9a8ff,transparent 70%);animation:fxDrift2 22s ease-in-out infinite alternate}
.hero-aurora i:nth-child(3){width:380px;height:380px;left:40%;top:30%;background:radial-gradient(circle,#ff9f8f,transparent 70%);opacity:.35;animation:fxDrift1 26s ease-in-out infinite alternate-reverse}
@keyframes fxDrift1{to{transform:translate3d(90px,60px,0) scale(1.15)}}
@keyframes fxDrift2{to{transform:translate3d(-110px,80px,0) scale(.9)}}

/* blueprint linework that draws itself on load and floats with the pointer / scroll */
.hero-bp{position:absolute;left:50%;top:120px;width:min(1400px,140vw);height:auto;transform:translateX(-50%);z-index:0;pointer-events:none;
  translate:calc(var(--hx)*-26px) calc(var(--hy)*-16px + var(--hs)*-80px);opacity:.55}
.hero-bp path{fill:none;stroke:#5b8cf0;stroke-width:1.4;stroke-opacity:.35;stroke-dasharray:1;stroke-dashoffset:1;stroke-linecap:round;stroke-linejoin:round;
  animation:fxDraw 2.6s cubic-bezier(.65,0,.35,1) forwards}
.hero-bp .hb-l1 path{animation-delay:.3s}
.hero-bp .hb-l2 path{animation-delay:1.3s;stroke:#f28a17;stroke-opacity:.35}
@keyframes fxDraw{to{stroke-dashoffset:0}}

/* layered parallax on the floating readouts (translate is independent of their bob transform) */
.hero .float{transition:none}
.hero .f1{translate:calc(var(--hx)*22px) calc(var(--hy)*14px + var(--hs)*-60px)}
.hero .f2{translate:calc(var(--hx)*-30px) calc(var(--hy)*-18px + var(--hs)*-110px)}
.hero .f3{translate:calc(var(--hx)*-16px) calc(var(--hy)*20px + var(--hs)*-30px)}

/* ================= HOUSE-TYPE MARQUEE ================= */
.types{padding:28px 0 6px;overflow:hidden;display:grid;gap:12px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.types-row{overflow:hidden}
.types-track{display:flex;gap:12px;width:max-content;animation:fxMarq 60s linear infinite}
.types-row[data-dir="r"] .types-track{animation-direction:reverse;animation-duration:70s}
.types:hover .types-track,.types:focus-within .types-track{animation-play-state:paused}
@keyframes fxMarq{to{transform:translate3d(-50%,0,0)}}
.types a{flex:none;display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;font-family:var(--serif);font-size:clamp(22px,2.6vw,32px);font-style:italic;
  color:var(--ink);text-decoration:none;border:1px solid var(--line);background:var(--glass-soft);transition:background .3s,color .3s,transform .4s var(--ease)}
.types a::before{content:"";width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--accent-2),var(--accent));transition:transform .4s var(--ease)}
.types a:hover,.types a:focus-visible{background:var(--ink);color:#fff;transform:translateY(-3px)}
.types a:hover::before{transform:scale(1.6)}

/* ================= BLUEPRINT (sticky, scroll-driven) ================= */
.bp-sec{--p:0;padding:0;height:320vh}
.bp-pin{position:sticky;top:0;height:100vh;height:100svh;display:flex;align-items:center;overflow:hidden}
.bp-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:center}
.bp-steps{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:6px}
.bp-steps li{display:flex;flex-direction:column;gap:2px;padding:12px 16px;border-radius:16px;border-left:2px solid var(--line);opacity:.42;transform:translateX(0);transition:opacity .5s,transform .5s var(--ease),background .5s}
.bp-steps li b{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink)}
.bp-steps li span{color:var(--ink-2);font-size:15px}
.bp-steps li.done{opacity:.7}
.bp-steps li.on{opacity:1;transform:translateX(8px);background:var(--glass);border-left-color:var(--accent)}
.bp-bar{margin-top:22px;height:3px;border-radius:3px;background:var(--line);overflow:hidden}
.bp-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#8a6bff);transform-origin:0 50%;transform:scaleX(var(--p))}
.bp-stage,.bp-stage.glass.strong{position:relative;border-radius:28px;padding:18px;aspect-ratio:600/420;overflow:hidden;background:#0f1d3a}
.bp-draw{position:absolute;inset:18px;width:calc(100% - 36px);height:calc(100% - 36px)}
.bp-grid-lines path{stroke:#7fa6ff;stroke-opacity:.12;stroke-width:1;fill:none}
.bp-l path{fill:none;stroke:#cfe0ff;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;
  stroke-dashoffset:calc(1 - clamp(0,(var(--p) - var(--a)) / var(--w),1))}
.bp-l1{--a:0;--w:.22}.bp-l2{--a:.22;--w:.2}.bp-l3{--a:.42;--w:.18}.bp-l4{--a:.58;--w:.14}
.bp-dim path{stroke:#ffb347;stroke-width:1.4}
.bp-txt text{font-family:var(--mono);font-size:12px;fill:#ffb347;text-anchor:middle;opacity:clamp(0,calc((var(--p) - .66) * 10),1)}
.bp-fill{opacity:clamp(0,calc((var(--p) - .7) * 7),1)}
.f-wall{fill:#f4efe6}.f-roof{fill:#4a5263}.f-glass{fill:#7fb0ff;fill-opacity:.55}
.bp-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:clamp(0,calc((var(--p) - .82) * 7),1);transform:scale(calc(1.12 - clamp(0,calc((var(--p) - .82) * 7),1) * .12))}
.bp-tag{position:absolute;left:16px;top:16px;z-index:2;padding:6px 12px;border-radius:999px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}

/* ================= WORLD HOMES ================= */
.wgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;perspective:1200px}
.wcard{--rx:0deg;--ry:0deg;--gx:50%;--gy:0%;position:relative;display:flex;flex-direction:column;gap:6px;padding:20px 20px 18px;border-radius:22px;
  color:var(--ink);text-decoration:none;background:var(--glass);border:1px solid rgba(255,255,255,.7);box-shadow:var(--shadow);overflow:hidden;isolation:isolate;
  -webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur)}
.wcard.reveal{transform:translateY(30px) scale(.97);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--i,0)*70ms)}
.wcard.reveal.in{transform:rotateX(var(--rx)) rotateY(var(--ry))}
.wcard.reveal.in.settled{transition:transform .25s ease-out,box-shadow .3s;transition-delay:0s}
.wcard.hot{box-shadow:var(--shadow-lg)}
.wcard::after{content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .4s;
  background:radial-gradient(260px circle at var(--gx) var(--gy),rgba(255,179,71,.28),transparent 70%)}
.wcard.hot::after,.wcard:focus-visible::after{opacity:1}
.sil{width:100%;height:84px;color:var(--ink-2);margin-bottom:6px;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.6s cubic-bezier(.65,0,.35,1) calc(var(--i,0)*70ms + .2s),color .3s}
.wcard.in .sil{stroke-dashoffset:0}
.wcard:hover .sil{color:var(--accent)}
.wc-region{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink)}
.wcard h3{font-size:19px;letter-spacing:-.02em;margin:0}
.wcard p{margin:0;color:var(--muted);font-size:14px}
.wc-go{margin-top:auto;padding-top:12px;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--ink-2)}
.wc-go svg{width:14px;height:14px;transition:transform .35s var(--ease)}
.wcard:hover .wc-go svg{transform:translateX(4px)}

/* ================= RESPONSIVE ================= */
@media (max-width:860px){
  .bp-sec{height:260vh}
  .bp-grid{grid-template-columns:1fr;gap:20px}
  .bp-copy h2{font-size:clamp(28px,7vw,40px)}
  .bp-steps{margin-top:14px;grid-template-columns:1fr 1fr;gap:6px}
  .bp-steps li{padding:8px 10px}.bp-steps li span{display:none}
  .bp-steps li.on{transform:none}
  .bp-bar{margin-top:12px}
  .bp-stage{padding:10px;border-radius:20px}
  .bp-draw{inset:10px;width:calc(100% - 20px);height:calc(100% - 20px)}
}
@media (max-width:560px){
  .wgrid{grid-template-columns:1fr 1fr;gap:10px}
  .wcard{padding:14px;border-radius:18px}.sil{height:56px}.wcard h3{font-size:16px}.wcard p{display:none}
  .types a{padding:8px 16px}
  .hero-bp{top:90px;opacity:.4}
}

/* ================= REDUCED MOTION: final states, no pinning ================= */
.fx-static .hero-bp path{animation:none;stroke-dashoffset:0}
.fx-static .hero-aurora i{animation:none}
.fx-static .types-track{animation:none;flex-wrap:wrap;width:auto;justify-content:center;padding:0 16px}
.fx-static .types-track [aria-hidden="true"]{display:none}
.fx-static .types{-webkit-mask-image:none;mask-image:none}
.fx-static .bp-sec{--p:1;height:auto;padding:80px 0}
.fx-static .bp-pin{position:relative;height:auto}
.fx-static .bp-steps li{opacity:1}
.fx-static .wcard.reveal{transform:none}
.fx-static .sil{stroke-dashoffset:0;transition:none}
.no-js .bp-sec{--p:1;height:auto;padding:80px 0}.no-js .bp-pin{position:relative;height:auto}
.no-js .sil{stroke-dashoffset:0}
/* gallery cards without a render: the roof-type outline on a soft blueprint ground */
.shot .img.art{display:grid;place-items:center;background:linear-gradient(135deg,#eaf1fb,#fbf3e8);color:#3d5a80}
.shot .img.art .sil{width:62%;height:62%;margin:0;stroke-dashoffset:0;transition:transform 1.4s var(--ease)}
.shot:hover .img.art .sil{transform:scale(1.05)}
.shot .img.art-hip{background:linear-gradient(135deg,#f6ece1,#eef3f9)}
.shot .img.art-flat{background:linear-gradient(135deg,#e9eef2,#f4f1ea)}
.shot .img.art-shed{background:linear-gradient(135deg,#eef4ec,#f7f1e6)}