/* JHK Constructions — motion and premium effects.
   Everything here is progressive: without JS, or with "reduce motion" on,
   the site shows exactly as it does without this file. */

/* ---------- Page transitions (cross-document View Transitions) ---------- */
@view-transition{navigation:auto}
.site-header{view-transition-name:site-header}
.detail-hero{view-transition-name:vt-hero}
::view-transition-old(root){animation:fx-vt-out .35s cubic-bezier(.4,0,.2,1) both}
::view-transition-new(root){animation:fx-vt-in .55s cubic-bezier(.2,.7,.2,1) both}
::view-transition-group(vt-hero){animation-duration:.6s;animation-timing-function:cubic-bezier(.7,0,.2,1)}
::view-transition-group(site-header){animation:none}
@keyframes fx-vt-out{to{opacity:0;transform:translateY(-12px)}}
@keyframes fx-vt-in{from{opacity:0;transform:translateY(16px)}}

/* ---------- Header: slims on scroll, tucks away when scrolling down ---------- */
.site-header{transition:transform .35s cubic-bezier(.2,.7,.2,1),box-shadow .3s}
.site-header .wrap{transition:min-height .3s}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(30,35,31,.08)}
@media(min-width:960px){.site-header.is-scrolled .wrap{min-height:62px}}
.site-header.is-hidden{transform:translateY(-100%)}

/* ---------- Hero media: slow zoom on load + parallax ---------- */
.hero,.detail-hero{position:relative;overflow:hidden}
.fx-media{position:absolute;left:0;right:0;top:-15%;bottom:-15%;background:center/cover no-repeat;z-index:0;will-change:translate}
.hero::before{z-index:1}
.hero .wrap,.hero-credit{z-index:2}
.fx .fx-media{animation:fx-zoom 2.8s cubic-bezier(.2,.7,.2,1) both}
@keyframes fx-zoom{from{scale:1.14}to{scale:1}}

/* ---------- Scroll reveals ---------- */
.fx [data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);transition-delay:var(--d,0s)}
.fx [data-reveal].in{opacity:1;transform:none}

/* image unmask: wipes up from the bottom, image settles from a slight zoom */
.fx [data-reveal="mask"]{opacity:1;transform:none;clip-path:inset(100% 0 0 0);transition:clip-path 1.25s cubic-bezier(.7,0,.2,1);transition-delay:var(--d,0s)}
.fx [data-reveal="mask"].in{clip-path:inset(0 0 0 0)}
.fx [data-reveal="mask"] img{scale:1.12;transition:scale 1.6s cubic-bezier(.2,.7,.2,1),transform .5s}
.fx [data-reveal="mask"].in img{scale:1}

/* headlines: word-by-word rise */
.fx [data-reveal="split"]{opacity:1;transform:none}
.fx .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.1em;margin-bottom:-.1em}
.fx .w>span{display:inline-block;transform:translateY(110%);transition:transform 1s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--d,0s) + var(--i,0) * 55ms)}
.fx [data-reveal="split"].in .w>span{transform:none}

/* ---------- Stats band with counters ---------- */
.stats{display:grid;gap:0;margin:0;grid-template-columns:1fr}
@media(min-width:640px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1000px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat{padding:28px 0;border-top:1px solid rgba(230,220,200,.25)}
@media(min-width:640px){.stat{padding:32px 28px 8px 0}}
.stat dt{display:flex;align-items:baseline;gap:8px;margin-bottom:12px;color:var(--paper)}
.stat .num{font:500 clamp(3.6rem,7vw,5.4rem)/.9 var(--serif);font-variant-numeric:lining-nums tabular-nums;letter-spacing:-.02em}
.stat .unit{font:500 1.05rem/1 var(--sans);letter-spacing:.06em;color:var(--sand)}
.stat dd{margin:0;color:#D6CFC0;font-size:.97rem;max-width:30ch}

/* ---------- Horizontal project rail ---------- */
.rail-section{overflow-x:clip}
.cards.rail{display:grid;grid-auto-flow:column;grid-template-columns:none;grid-auto-columns:min(80vw,440px);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none;margin-right:calc(50% - 50vw);padding-right:max(16px,calc(50vw - 50%));padding-bottom:6px;cursor:grab}
.cards.rail::-webkit-scrollbar{display:none}
.cards.rail.dragging{cursor:grabbing;scroll-snap-type:none}
.cards.rail.dragging .card{pointer-events:none}
.cards.rail .card{scroll-snap-align:start}
.cards.rail .card .img{aspect-ratio:4/5}
.cards.rail .card h3{font-size:2rem}
.rail-ui{display:flex;align-items:center;gap:20px;margin-top:28px}
.rail-progress{flex:1;height:2px;background:var(--line);position:relative;overflow:hidden}
.rail-progress span{position:absolute;inset:0 auto 0 0;width:var(--w,25%);background:var(--green);translate:var(--x,0) 0;transition:translate .15s linear}
.rail-btns{display:flex;gap:8px}
.rail-btns button{width:48px;height:48px;border-radius:50%;border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:background .2s,color .2s,opacity .2s}
.rail-btns button:hover:not(:disabled){background:var(--ink);color:var(--paper)}
.rail-btns button:disabled{opacity:.3;cursor:default}
.rail-btns svg{width:18px;height:18px}

/* ---------- Project index with hover image reveal ---------- */
.proj-index{list-style:none;margin:48px 0 0;padding:0;border-top:1px solid var(--line);counter-reset:pi}
.proj-index li{border-bottom:1px solid var(--line)}
.proj-index a{display:grid;grid-template-columns:44px 1fr;gap:4px 16px;align-items:baseline;padding:20px 0;color:var(--ink);text-decoration:none;position:relative}
@media(min-width:760px){.proj-index a{grid-template-columns:64px 1fr auto;padding:26px 0}}
.pi-n{font:500 .8rem/1 var(--sans);letter-spacing:.12em;color:var(--muted)}
.pi-name{font:500 clamp(1.7rem,3.6vw,2.6rem)/1.05 var(--serif);transition:transform .45s cubic-bezier(.2,.7,.2,1),color .3s}
.pi-meta{grid-column:2;font-size:.88rem;color:var(--muted);letter-spacing:.02em}
@media(min-width:760px){.pi-meta{grid-column:3;text-align:right}}
.proj-index a:hover .pi-name,.proj-index a:focus-visible .pi-name{transform:translateX(14px);color:var(--green)}
.hover-img{position:fixed;left:0;top:0;width:340px;aspect-ratio:4/3;pointer-events:none;z-index:40;opacity:0;scale:.85;background:var(--sand) center/cover no-repeat;transition:opacity .3s,scale .45s cubic-bezier(.2,.7,.2,1);box-shadow:0 30px 60px rgba(20,24,21,.25)}
.hover-img.on{opacity:1;scale:1}
@media(hover:none),(pointer:coarse){.hover-img{display:none}}

/* ---------- Grain on dark sections ---------- */
.bg-ink,.bg-green{position:relative}
.bg-ink::after,.bg-green::after,.hero::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:3;opacity:.07;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- Reduce motion: switch it all off ---------- */
@media(prefers-reduced-motion:reduce){
  @view-transition{navigation:none}
  .fx-media{animation:none!important;translate:none!important}
  .site-header.is-hidden{transform:none}
}