/* Kalash Jain — portfolio
   Layout is mobile first; the wider rules sit at the bottom. */

:root{
  --ink:#121212;
  --paper:#FFFFFF;
  --soft:#F7F6F3;
  --muted:#4A463F;
  --line:#D9D4CA;
  --accent:#7A1E1E;
  --pad:20px;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--mono);
  font-size:15px;
  line-height:1.7;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
button{font:inherit}

:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

h1,h2,h3{font-family:var(--serif);font-weight:400;margin:0;text-wrap:balance;letter-spacing:-0.01em}
h1{font-size:clamp(44px,12vw,118px);line-height:0.95}
h2{font-size:clamp(30px,6vw,48px);line-height:1.05}
h3{font-size:clamp(22px,4vw,32px);line-height:1.15}
p{margin:0;text-wrap:pretty}

.wrap{width:100%;max-width:1440px;margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted)}
.eyebrow--accent{color:var(--accent)}
.measure{max-width:65ch}
.muted{color:var(--muted)}
.stack{display:flex;flex-direction:column}
.gap-s{gap:12px}.gap-m{gap:24px}.gap-l{gap:40px}.gap-xl{gap:64px}
.section{padding:56px 0}
.rule{border:0;border-top:1px solid var(--ink);margin:0}

/* skip link */
.skip{position:absolute;left:-9999px;top:0;z-index:80;padding:12px 16px;background:var(--ink);color:#fff;font-size:12px;letter-spacing:0.08em;text-transform:uppercase}
.skip:focus{left:16px;top:16px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.site-head__in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px var(--pad);max-width:1440px;margin:0 auto}
.logo{display:block;width:124px}
.logo img{width:100%}
.nav{display:none}
.nav a{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;position:relative}
.nav a[aria-current="page"]::after,.nav a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:1px;background:currentColor}
.menu-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--ink);background:transparent;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;cursor:pointer}
.drawer{display:none;border-top:1px solid var(--line);background:var(--paper)}
.drawer.open{display:block}
.drawer a{display:block;padding:16px var(--pad);border-bottom:1px solid var(--line);font-size:14px;letter-spacing:0.06em;text-transform:uppercase}

/* ---------- home ---------- */
.hero{position:relative;padding-top:24px}
.hero__figs{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;align-items:end}
.hero__fig{display:block}
.hero__fig img{width:100%;height:auto;object-fit:contain}
.hero__name{margin-top:-6px}
.hero__name img{width:100%}
.hero__meta{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;padding-top:18px;font-size:12px}

/* marquee */
.marquee{overflow:hidden;white-space:nowrap;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:14px 0;margin:40px 0}
.marquee__track{display:inline-flex;align-items:center;animation:slide 48s linear infinite;will-change:transform}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee span{font-family:var(--serif);font-size:clamp(28px,7vw,64px);line-height:1;white-space:nowrap}
.marquee i{display:inline-block;width:8px;height:8px;background:var(--accent);margin:0 20px;flex:0 0 auto}
.marquee--mono span{font-family:var(--mono);font-size:12px;letter-spacing:0.12em;text-transform:uppercase}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* index rows */
.index a{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;padding:20px 0;border-top:1px solid var(--line);align-items:baseline;transition:padding-left .35s ease,background-color .35s ease}
.index a:hover{padding-left:12px;background:var(--soft)}
.index .num{font-size:12px;color:var(--muted)}
.index .ttl{font-family:var(--serif);font-size:clamp(26px,6vw,46px);line-height:1.05;grid-column:2}
.index .meta{grid-column:2;font-size:12px;color:var(--muted)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:1fr}
.grid--3{grid-template-columns:1fr}
.frame{overflow:hidden;background:var(--soft)}
.frame img{width:100%;transition:transform .8s cubic-bezier(.33,0,.1,1)}
.frame:hover img,a:hover .frame img{transform:scale(1.05)}
figure{margin:0}
figcaption{padding-top:8px;font-size:11px;letter-spacing:0.06em;text-transform:uppercase;color:var(--muted)}

.facts{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;padding:24px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.facts div{display:flex;flex-direction:column;gap:4px}
.facts dt,.facts .k{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted)}

.spec{display:flex;flex-direction:column;font-size:14px}
.spec__row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--line)}
.spec__row span:last-child{display:flex;flex-direction:column;gap:4px;text-align:right}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border:1px solid var(--ink);background:transparent;color:var(--ink);font-size:12px;letter-spacing:0.08em;text-transform:uppercase;cursor:pointer;text-align:center}
.btn:hover{background:var(--soft);color:var(--ink)}
.btn--solid{background:var(--ink);color:#fff}
.btn--solid:hover{background:#2A2825;color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- gallery ---------- */
.gallery{position:relative}
.gallery__stage{position:relative;background:var(--soft);overflow:hidden;touch-action:pan-y}
.gallery__track{display:flex;transition:transform .85s cubic-bezier(.33,0,.1,1);will-change:transform}
.gallery__slide{flex:0 0 100%;display:flex;align-items:center;justify-content:center;padding:16px}
.gallery__slide img{max-height:70vh;width:auto;max-width:100%;object-fit:contain}
.gallery__slide--dark{background:#0B0B0C}
.gallery__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px}
.gallery__dots{display:flex;align-items:center;gap:4px}
.gallery__dots button{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border:0;background:transparent;padding:0;cursor:pointer}
.gallery__dots i{display:block;width:6px;height:6px;background:#B9B3A6;transition:width .4s ease,background-color .4s ease}
.gallery__dots button[aria-current="true"] i{width:24px;background:var(--ink)}
.gallery__nav{display:flex;gap:8px}
.gallery__nav button{width:46px;height:46px;border:1px solid var(--ink);background:transparent;cursor:pointer}
.gallery__nav button:last-child{background:var(--ink);color:#fff}
.gallery__label{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted)}

/* ---------- specimen cards ---------- */
.deck{position:relative;height:min(62vh,460px);margin:0 auto;max-width:900px;overflow:hidden;padding:0 8px}
@media (min-width:700px){.deck{height:min(74vh,620px)}}
.deck__card{position:absolute;bottom:0;left:50%;height:100%;width:auto;border:0;padding:0;background:transparent;cursor:grab;touch-action:none;transform-origin:50% 128%;will-change:transform;filter:drop-shadow(0 14px 22px rgba(74,70,63,.18))}
.deck__card:active{cursor:grabbing}
.deck__card img{height:100%;width:auto;pointer-events:none}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--ink);margin-top:72px;padding:28px 0 40px}
.site-foot__in{display:flex;flex-direction:column;gap:14px;font-size:13px}
.site-foot a{text-decoration:underline;text-underline-offset:3px}
.site-foot__sig{width:112px;opacity:.9}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s cubic-bezier(.33,0,.1,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee__track{animation:none}
  .frame img{transition:none}
}

/* ---------- tablet ---------- */
@media (min-width:700px){
  :root{--pad:32px}
  body{font-size:15px}
  .grid--2{grid-template-columns:1fr 1fr}
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .hero__figs{grid-template-columns:repeat(4,1fr);gap:12px}
  .facts{grid-template-columns:repeat(4,1fr)}
  .section{padding:72px 0}
  .site-foot__in{flex-direction:row;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px}
  .index a{grid-template-columns:80px 1fr auto}
  .index .ttl{grid-column:2}
  .index .meta{grid-column:3;text-align:right}
}

/* ---------- desktop ---------- */
@media (min-width:1000px){
  :root{--pad:56px}
  .nav{display:flex;gap:32px}
  .menu-btn{display:none}
  .drawer{display:none !important}
  .logo{width:168px}
  .grid--3{grid-template-columns:repeat(3,1fr)}
  .section{padding:96px 0}
  .split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
  .split--text-right{grid-template-columns:7fr 5fr}
  .sticky{position:sticky;top:96px}
  .gallery__slide img{max-height:760px}
}