/* Arti Kapur Design Studio – site.css (v3: one walk, built on scroll, ceiling-fan four ways, floor plan) */
@font-face{font-family:"Newsreader";src:url(assets/font/newsreader.woff2) format("woff2");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader";src:url(assets/font/newsreader-italic.woff2) format("woff2");font-weight:300 700;font-style:italic;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(assets/font/instrument-sans.woff2) format("woff2");font-weight:400 600;font-display:swap}

:root{
  --paper:#f3efe6;--ink:#1b1917;--ink-3:#8a847c;--night:#141210;--gulabi:#d8367a;--pink-light:#ff5fa0;
  --serif:"Newsreader",Georgia,serif;--sans:"Instrument Sans",system-ui,sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);--ease-io:cubic-bezier(.83,0,.17,1);
  --gutter:clamp(20px,4vw,64px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html.lenis{height:auto}.lenis.lenis-smooth{scroll-behavior:auto!important}.lenis.lenis-stopped{overflow:hidden}
body{margin:0;background:var(--night);color:var(--paper);font-family:var(--sans);font-size:1.0625rem;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
body.is-loading{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
.defs{position:absolute;width:0;height:0}
::selection{background:var(--gulabi);color:#fff}

.grain{position:fixed;inset:-50%;pointer-events:none;z-index:60;opacity:.06;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='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(4) infinite}
@keyframes grain{0%{transform:translate(0,0)}25%{transform:translate(-2%,3%)}50%{transform:translate(3%,-2%)}75%{transform:translate(-1%,-3%)}100%{transform:translate(2%,1%)}}

/* cursor */
.cursor{position:fixed;left:0;top:0;z-index:80;pointer-events:none;mix-blend-mode:difference;opacity:0;transition:opacity .4s}
.cursor.is-active{opacity:1}
.cursor-dot,.cursor-ring{position:absolute;left:0;top:0;transform:translate(-50%,-50%)}
.cursor-dot{width:6px;height:6px;border-radius:50%;background:#fff}
.cursor-ring{width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.75);transition:width .35s var(--ease),height .35s var(--ease),background .35s}
.cursor.is-hover .cursor-ring{width:56px;height:56px;background:rgba(255,255,255,.12)}
@media (hover:none){.cursor{display:none}}

/* loader */
.loader{position:fixed;inset:0;z-index:70;pointer-events:none}
.loader-door{position:absolute;top:0;bottom:0;width:50.5%;background:var(--paper)}
.loader-door--l{left:0}.loader-door--r{right:0}
.loader-mark{position:absolute;inset:0;display:grid;place-items:center;color:var(--ink)}
.loader-svg{width:clamp(120px,20vw,220px);height:auto;overflow:visible}
.loader-word{margin:.4em 0 0;font:600 clamp(1.5rem,3vw,2.3rem)/1 var(--serif);font-variation-settings:"opsz" 72;letter-spacing:-.02em;display:flex;gap:.3em;overflow:hidden;padding:.1em .2em}
.loader-word span{display:inline-block;transform:translateY(120%)}
.loader-sub{margin:.5em 0 0;font:500 .6875rem/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px var(--gutter);color:var(--paper)}
.nav-brand{display:flex;align-items:center;gap:12px}
.nav-mark{width:48px;height:48px;margin:-6px 0}
.nav-name{font:600 1.125rem/1 var(--serif);font-variation-settings:"opsz" 24;letter-spacing:-.01em;white-space:nowrap}
.nav-name em{font-style:normal;font:500 .625rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;display:block;margin-top:.45em;opacity:.75}
.nav-links{display:flex;gap:clamp(18px,2.6vw,40px);font:500 .8125rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase}
.nav-links a{position:relative;padding:8px 2px;display:inline-block}
.nav-links a::after{content:"";position:absolute;left:2px;right:2px;bottom:4px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav .nav-links{opacity:0;transform:translateY(-8px)}
body:not(.is-loading) .nav .nav-links{opacity:1;transform:none;transition:opacity .8s var(--ease) .2s,transform .8s var(--ease) .2s}

/* ---------- THE WALK ---------- */
.walk{position:relative;height:2000vh;background:var(--night)}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.film{position:absolute;inset:0;background:var(--night);z-index:0}
.film-poster,.film-canvas,.layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.film-canvas{opacity:0}
.film.is-live .film-canvas{opacity:1}
.film.is-live .film-poster{opacity:0}
.layer{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .6s,visibility 0s .6s;overflow:hidden}
.layer.is-on{opacity:1;visibility:visible;transition:opacity .6s}
.build-stage{opacity:0;transition:opacity .9s var(--ease)}
.build-stage.is-current{opacity:1}
.fan-room{opacity:0}
.fan-room.is-current{opacity:1}
.fan-room{position:absolute;inset:0}
.fan-room img{transform:scale(1.02)}
.film-shade{position:absolute;inset:0;z-index:60;background:linear-gradient(to top,rgba(20,18,16,.62),rgba(20,18,16,.06) 48%,rgba(20,18,16,.28));transition:background .8s}
.stage.is-end .film-shade{background:linear-gradient(to top,rgba(20,18,16,.86),rgba(20,18,16,.5) 55%,rgba(20,18,16,.35))}

/* the ceiling fan: a hub just above the top edge, three walnut blades rotating under it */
.fan-blades{position:absolute;left:50%;top:-4vh;width:0;height:0;pointer-events:none;will-change:transform;z-index:55}
.blade{position:absolute;left:0;top:0;width:min(40vw,520px);height:132vh;transform-origin:50% 0;margin-left:calc(min(40vw,520px) / -2);
  clip-path:polygon(40% 0,60% 0,100% 94%,88% 100%,12% 100%,0 94%);
  background:
    linear-gradient(90deg,rgba(0,0,0,.35),rgba(0,0,0,0) 18%,rgba(0,0,0,0) 82%,rgba(0,0,0,.4)),
    repeating-linear-gradient(94deg,#4a2a18 0 7px,#5c361f 7px 11px,#3e2213 11px 19px,#55311c 19px 26px),
    #4a2a18;
  box-shadow:0 0 40px rgba(0,0,0,.45);filter:blur(.4px)}
.blade:nth-child(2){transform:rotate(180deg)}
.blade:nth-child(3){display:none}
.hub{position:absolute;left:-7vw;top:-7vw;width:14vw;height:14vw;max-width:170px;max-height:170px;margin:0;border-radius:50%;
  background:radial-gradient(circle at 40% 35%,#8a6a3a,#3a2a16 70%,#1a120a);box-shadow:0 0 0 .4vw #b08a4a,0 10px 40px rgba(0,0,0,.5)}
@media (max-width:900px){.hub{left:-11vw;top:-11vw;width:22vw;height:22vw}.blade{width:64vw;margin-left:-32vw}}

/* hero */
.hero{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:0 var(--gutter) clamp(32px,6vh,72px);pointer-events:none}
.hero-over{margin:0 0 1.2em;font:500 .75rem/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;opacity:.85}
.hero-title{margin:0;font:600 clamp(3rem,9vw,9rem)/.96 var(--serif);font-variation-settings:"opsz" 72;letter-spacing:-.03em;text-wrap:balance;max-width:11ch}
.hero-title .w{display:inline-block;padding:.08em .04em;margin:-.08em -.04em;overflow:hidden;vertical-align:top}
.hero-title .w>i{display:inline-block;font-style:normal}
.hero-sub{margin:1.4em 0 0;max-width:36ch;font-size:clamp(1rem,1.3vw,1.2rem);line-height:1.5;opacity:.92}
.hero-cue{margin-top:clamp(20px,4vh,44px);display:flex;align-items:center;gap:14px;font:500 .6875rem/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;opacity:.8}
.hero-cue-line{width:48px;height:1px;background:currentColor;transform-origin:left;animation:cue 2.2s var(--ease-io) infinite}
@keyframes cue{0%{transform:scaleX(0);transform-origin:left}45%{transform:scaleX(1);transform-origin:left}55%{transform:scaleX(1);transform-origin:right}100%{transform:scaleX(0);transform-origin:right}}

/* chapters */
.chapters{position:absolute;left:var(--gutter);right:var(--gutter);top:0;bottom:clamp(32px,7vh,80px);pointer-events:none}
.chapter{position:absolute;left:0;bottom:0;width:min(640px,100%);opacity:0;visibility:hidden}
.chapter-n{display:block;font:600 .6875rem/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--pink-light);text-shadow:0 1px 12px rgba(0,0,0,.5)}
.chapter-t{margin:.45em 0 .35em;font:600 clamp(2.4rem,5.2vw,4.8rem)/1 var(--serif);font-variation-settings:"opsz" 72;letter-spacing:-.025em;text-wrap:balance;text-shadow:0 2px 30px rgba(0,0,0,.25)}
.chapter-t--big{font-size:clamp(3rem,7vw,6.6rem);letter-spacing:-.035em}
.chapter-p{margin:0;max-width:44ch;font-size:clamp(.95rem,1.15vw,1.125rem);opacity:.92;text-shadow:0 1px 14px rgba(0,0,0,.35)}
.chapter .ln{display:block;overflow:hidden;padding:.08em .05em;margin:-.08em -.05em}
.chapter .ln>i{display:block;font-style:normal}
.chapter--end{pointer-events:auto;bottom:auto;top:clamp(84px,14vh,150px);width:min(760px,100%)}
.chapter--end .chapter-t{max-width:12ch}
.end-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:clamp(18px,3vh,32px)}
.btn{display:inline-flex;align-items:center;padding:16px 26px;border-radius:999px;background:var(--paper);color:var(--ink);font:500 .9375rem/1 var(--sans);letter-spacing:.02em;position:relative;overflow:hidden;isolation:isolate}
.btn::before{content:"";position:absolute;inset:0;background:var(--gulabi);transform:translateY(101%);transition:transform .55s var(--ease);z-index:-1;border-radius:inherit}
.btn:hover::before{transform:translateY(0)}.btn:hover{color:#fff}
.btn--ghost{background:transparent;color:var(--paper);box-shadow:inset 0 0 0 1px rgba(243,239,230,.5)}
.moods-names{display:flex;gap:6px;flex-wrap:wrap;margin-top:18px;pointer-events:auto}
.moods-names button{font:500 .6875rem/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;padding:11px 15px;border:1px solid rgba(243,239,230,.45);border-radius:999px;color:var(--paper);transition:background .4s,color .4s,border-color .4s;backdrop-filter:blur(6px)}
.moods-names button.is-on,.moods-names button:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.steps{display:flex;gap:6px;margin:18px 0 0;padding:0;list-style:none}
.steps li{width:34px;height:2px;background:rgba(243,239,230,.3);transition:background .4s}
.steps li.is-on{background:var(--pink-light)}

/* strip of her photographs at the end */
.strip{position:absolute;left:0;right:0;bottom:0;height:min(30vh,260px);opacity:0;visibility:hidden;pointer-events:none}
.strip-track{position:absolute;left:var(--gutter);bottom:clamp(44px,8vh,80px);display:flex;gap:14px;will-change:transform}
.strip figure{margin:0;position:relative;flex:none;width:clamp(110px,11vw,160px);aspect-ratio:4/5;overflow:hidden}
.strip img{width:100%;height:100%;object-fit:cover}
.strip figcaption{position:absolute;left:10px;bottom:8px;font:italic 400 .875rem/1 var(--serif);color:#fff;text-shadow:0 1px 10px rgba(0,0,0,.5)}
.strip-cap{position:absolute;left:var(--gutter);bottom:clamp(16px,3vh,28px);margin:0;font:500 .6875rem/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;opacity:.7}

/* floor plan + index */
.plan{position:absolute;right:var(--gutter);top:50%;transform:translateY(-50%);width:clamp(180px,16vw,240px);z-index:3;pointer-events:none;color:var(--paper);opacity:0;transition:opacity .8s}
.stage.is-walking .plan{opacity:1}
.plan svg{width:100%;height:auto;overflow:visible;filter:drop-shadow(0 2px 12px rgba(0,0,0,.45))}
.plan-rooms rect{fill:rgba(243,239,230,.04);stroke:rgba(243,239,230,.55);stroke-width:.9;transition:fill .6s,stroke .6s}
.plan-rooms rect.is-on{fill:rgba(216,54,122,.28);stroke:var(--pink-light)}
.plan-doors line{stroke:rgba(243,239,230,.6);stroke-width:.9}
.plan-path{fill:none;stroke:var(--pink-light);stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1 3}
.plan-dot{fill:var(--pink-light);filter:drop-shadow(0 0 4px rgba(255,95,160,.9))}
.plan-labels text{font:600 7px var(--sans);fill:rgba(243,239,230,.8);text-anchor:middle;letter-spacing:.08em}
.rail{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:7px;pointer-events:auto}
.rail button{font:500 .6875rem/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;opacity:.45;transition:opacity .4s,color .4s;padding:2px 0;white-space:pre}
.rail li.is-on button{opacity:1;color:var(--pink-light)}
.rail button:hover{opacity:.9}
.progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(243,239,230,.12);z-index:3}
.progress span{display:block;height:100%;width:0;background:var(--gulabi)}

/* footer */
.footer{background:var(--night);color:var(--paper);padding:28px 0 32px;border-top:1px solid rgba(243,239,230,.12);position:relative;z-index:2}
.footer-wrap{width:min(100% - 2*var(--gutter),1480px);margin-inline:auto;display:grid;grid-template-columns:auto 1fr auto;gap:12px 32px;align-items:center;font-size:.8125rem;color:rgba(243,239,230,.7)}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--paper);font:600 1rem/1 var(--serif)}
.footer-brand svg{width:34px;height:34px}
.footer-line,.footer-copy,.footer-note{margin:0}
.footer-note{grid-column:1/-1;color:rgba(243,239,230,.45)}
.footer-copy a{text-decoration:underline;text-underline-offset:3px}

/* motion gating / no-js */
html:not(.js) .loader{display:none}
html:not(.js) .chapter,html.reduce .chapter{position:relative;opacity:1;visibility:visible;margin:0 0 40px}
html.reduce .walk{height:auto}
html.reduce .stage{position:relative;height:auto;overflow:visible}
html.reduce .film{position:relative;height:60vh}
html.reduce .chapters{position:relative;inset:auto;padding:40px var(--gutter)}
html.reduce .plan,html.reduce .progress,html.reduce .strip,html.reduce .layer{display:none}
@media (prefers-reduced-motion:reduce){.grain{animation:none}.hero-cue-line{animation:none}.loader{display:none}}

/* responsive */
@media (max-width:900px){
  .nav-links a[data-go="door"]{display:none}
  .nav-links{font-size:.7rem;gap:14px}
  .nav-links a span{display:none}
  .walk{height:1700vh}
  .hero-title{max-width:9ch}
  .chapter{width:100%}
  .chapter-t{font-size:clamp(2rem,9vw,3.2rem)}
  .chapter-t--big{font-size:clamp(2.6rem,12vw,4.4rem)}
  .chapter-p{font-size:.95rem;max-width:36ch}
  .chapters{bottom:clamp(56px,9vh,90px)}
  .chapter--end{top:clamp(70px,11vh,110px)}
  .plan{top:auto;bottom:clamp(10px,2vh,18px);right:var(--gutter);transform:none;width:120px}
  .plan .rail{display:none}
  .plan-labels{display:none}
  .strip{height:30vh}
  .strip-track{bottom:clamp(60px,10vh,100px)}
  .strip figure{width:120px}
  .footer-wrap{grid-template-columns:1fr}
}

/* crawlable studio block after the walk */
.studio-text{background:var(--night);color:var(--paper);padding:clamp(40px,6vw,80px) 0 clamp(24px,3vw,40px);position:relative;z-index:2}
.studio-wrap{width:min(100% - 2*var(--gutter),1480px);margin-inline:auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px 48px;align-items:start}
.studio-wrap h2{grid-column:1}
.studio-wrap p{grid-column:2}
@media (max-width:900px){.studio-wrap{grid-template-columns:1fr}.studio-wrap p{grid-column:1}}
.studio-text h2{margin:0 0 .5em;font:600 clamp(1.6rem,3vw,2.4rem)/1.1 var(--serif);letter-spacing:-.02em}
.studio-text p{max-width:72ch;color:rgba(243,239,230,.8);margin:0 0 1em}
.studio-links{font-size:.8125rem;line-height:2}
.studio-links a{color:var(--paper);text-decoration:underline;text-underline-offset:3px}