/* ==========================================================
   Viraj Koshimkar — Portfolio
   ========================================================== */
:root{
  --ink:#161616; --muted:#6e6c66; --line:#e6e4df; --bg:#ffffff; --soft:#f3f1ec;
  --accent:#2e3bff; --accent-2:#1f2be0;
  --yellow:#FFD23F; --white:#F4F3EF; --blue:#2E3BFF; --green:#2F9E6E; --red:#E8402F; --orange:#FF8A1F; --lilac:#b9a6ff;
  --serif:"Instrument Serif", Georgia, serif;
  --sans:"Familjen Grotesk", system-ui, -apple-system, Segoe UI, sans-serif;
  --mono:"Space Mono", ui-monospace, Menlo, monospace;
  --gutter:48px; --col:560px; --max:1440px;
  --ease:cubic-bezier(.2,.7,.1,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
::selection{background:var(--accent);color:#fff}

.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.serif{font-family:var(--serif);font-weight:400}
.it{font-style:italic}
.blue{color:var(--accent)}
.mono,.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.eyebrow{color:var(--muted)}
.muted{color:var(--muted)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .3s}
.site-header.scrolled{border-bottom-color:var(--line)}
.site-header .wrap{display:grid;grid-template-columns:auto 1fr;align-items:center;height:76px}
.logo{font-family:var(--serif);font-style:italic;font-size:30px;line-height:1;letter-spacing:-.01em}
.logo span{color:var(--accent)}
.nav{justify-self:end;display:flex;gap:28px;font-size:15px}
.nav a{position:relative;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .35s var(--ease)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1);transform-origin:left}
.menu-btn{display:none;justify-self:end;background:none;border:0;width:40px;height:40px;cursor:pointer;position:relative}
.menu-btn i{position:absolute;left:9px;right:9px;height:1.5px;background:var(--ink);transition:transform .3s,top .3s}
.menu-btn i:first-child{top:15px}.menu-btn i:last-child{top:24px}
body.menu-open .menu-btn i:first-child{top:19px;transform:rotate(45deg)}
body.menu-open .menu-btn i:last-child{top:19px;transform:rotate(-45deg)}

/* ---------- hero (home) ---------- */
.hero{padding:96px 0 56px;position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:48px;align-items:center}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(48px,6.2vw,100px);line-height:.98;letter-spacing:-.025em;margin:22px 0 28px}
.hero h1 em{color:var(--accent)}
.hero .intro{font-size:20px;max-width:560px;color:#3a3935}
.hero-cta{margin-top:40px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.meta-row{margin-top:80px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.meta-row>div{padding:20px 24px 0 0}
.meta-row dt{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.meta-row dd{font-size:16px}

/* glossy CTA */
.btn-gloss{position:relative;display:inline-flex;align-items:center;gap:14px;padding:18px 30px 18px 18px;border-radius:999px;color:#fff;font-size:18px;font-weight:500;overflow:hidden;isolation:isolate;
  background:linear-gradient(180deg,#5964ff 0%,#2e3bff 48%,#1d27d6 100%);
  box-shadow:0 1px 0 rgba(255,255,255,.55) inset,0 -2px 6px rgba(0,0,0,.25) inset,0 14px 30px -10px rgba(46,59,255,.65),0 2px 4px rgba(22,22,22,.12);transition:transform .35s var(--ease),box-shadow .35s}
.btn-gloss::before{content:"";position:absolute;left:8%;right:8%;top:3px;height:48%;border-radius:999px;background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0));z-index:-1}
.btn-gloss::after{content:"";position:absolute;top:-20%;bottom:-20%;width:38%;left:-60%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:shine 3.6s ease-in-out infinite}
.btn-gloss:hover{transform:translateY(-2px);box-shadow:0 1px 0 rgba(255,255,255,.55) inset,0 -2px 6px rgba(0,0,0,.25) inset,0 20px 40px -12px rgba(46,59,255,.75),0 2px 4px rgba(22,22,22,.12)}
.btn-gloss:hover::after{animation-duration:1.4s}
@keyframes shine{0%,55%{left:-60%}100%{left:130%}}
.mini-cube{width:30px;height:30px;border-radius:7px;background:#11168f;display:grid;grid-template-columns:repeat(3,1fr);gap:2px;padding:3px;box-shadow:0 1px 0 rgba(255,255,255,.3) inset}
.mini-cube i{border-radius:2px;background:var(--c);transition:background .5s}
.btn-gloss:hover .mini-cube i{background:var(--yellow)}

.link-arrow{display:inline-flex;gap:8px;align-items:center;border-bottom:1px solid currentColor;padding-bottom:2px;font-size:16px}

/* ---------- Rubik's cube ---------- */
.cube-stage{justify-self:center;display:flex;flex-direction:column;align-items:center;gap:14px;user-select:none;-webkit-user-select:none;cursor:pointer;outline:none}
.cube-flip{position:relative;width:min(30vw,400px);aspect-ratio:510/525}
.cube-flip .cf-layer,.cube-flip .cf-fade{position:absolute;inset:0;background-repeat:no-repeat;background-size:700% 600%;background-position:0 0}
.cube-flip .cf-fade{opacity:0;pointer-events:none}
.cube-hint{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}

/* ---------- ticker ---------- */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;padding:22px 0;white-space:nowrap}
.ticker-track{display:inline-flex;gap:0;animation:marquee 38s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker span{font-family:var(--serif);font-size:34px;padding:0 26px;display:inline-flex;align-items:center;gap:52px}
.ticker span::after{content:"✳";font-family:var(--sans);font-size:20px;color:var(--accent)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
.section{padding:120px 0}
.section-head{display:grid;grid-template-columns:var(--col) 1fr;align-items:end;margin-bottom:48px}
.section-head h2,.h2{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5vw,72px);line-height:1;letter-spacing:-.02em}
.section-head h2 sup{font-family:var(--mono);font-size:13px;vertical-align:top;margin-left:8px;letter-spacing:.1em;color:var(--muted)}
.section-head p{color:var(--muted);max-width:420px}
.split{display:grid;grid-template-columns:calc(var(--col) - var(--gutter)) 1fr;gap:var(--gutter)}

/* work rows */
.work-list{border-top:1px solid var(--ink)}
.work-row{display:grid;grid-template-columns:90px minmax(0,1.1fr) minmax(0,1fr) 48px;gap:24px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line);position:relative;transition:padding .45s var(--ease)}
.work-row::before{content:"";position:absolute;inset:0;background:var(--soft);transform:scaleY(0);transform-origin:bottom;transition:transform .45s var(--ease);z-index:-1}
.work-row:hover{padding-left:20px;padding-right:20px}
.work-row:hover::before{transform:scaleY(1)}
.work-row .num{font-family:var(--mono);font-size:13px;color:var(--muted)}
.work-row h3{font-family:var(--serif);font-weight:400;font-size:clamp(34px,3.6vw,52px);line-height:1;letter-spacing:-.015em}
.work-row .tags{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:10px}
.work-row p{color:#3a3935;font-size:17px}
.work-row .arrow{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:background .35s,color .35s,transform .45s var(--ease),border-color .35s}
.work-row:hover .arrow{background:var(--accent);border-color:var(--accent);color:#fff;transform:rotate(-45deg)}
.work-row .row-thumb{display:none}
.thumb-float{position:fixed;left:0;top:0;width:360px;aspect-ratio:16/9;border-radius:14px;overflow:hidden;pointer-events:none;z-index:40;opacity:0;transform:translate(-50%,-50%) scale(.6) rotate(-4deg);transition:opacity .3s,transform .45s var(--ease);box-shadow:0 30px 60px -20px rgba(22,22,22,.35)}
.thumb-float.on{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(-2deg)}
.thumb-float img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s}
.thumb-float img.on{opacity:1}

/* about */
.about-sub{font-family:var(--serif);font-size:clamp(28px,2.8vw,40px);line-height:1.15;letter-spacing:-.01em;margin-bottom:28px}
.about-body p{margin-bottom:18px;color:#3a3935;max-width:640px}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:36px 0 40px}
.spec{border-top:1px solid var(--ink);padding-top:16px}
.spec h4{font-size:18px;font-weight:600;margin-bottom:8px}
.spec p{font-size:15px;color:var(--muted)}
.btn-line{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border:1px solid var(--ink);border-radius:999px;font-size:16px;transition:background .3s,color .3s}
.btn-line:hover{background:var(--ink);color:#fff}

/* geometric tiles */
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.tiles.row{grid-template-columns:repeat(8,1fr)}
.tile{aspect-ratio:1;position:relative;overflow:hidden;background:var(--tb,var(--soft))}
.tile .sh{position:absolute;inset:0;background:var(--tc);transition:all .8s var(--ease)}
.sh.circle{border-radius:50%;animation:breathe 6s ease-in-out infinite var(--d,0s)}
.sh.half{top:50%;border-radius:0;animation:halfspin 8s var(--ease) infinite var(--d,0s);transform-origin:50% 0}
.sh.quarter{border-radius:100% 0 0 0;animation:qspin 7s var(--ease) infinite var(--d,0s)}
.sh.ring{inset:14%;background:none;border:clamp(10px,2vw,26px) solid var(--tc);border-radius:50%;animation:breathe 5s ease-in-out infinite var(--d,0s)}
.sh.leaf{border-radius:0 100% 0 100%;animation:leaf 9s var(--ease) infinite var(--d,0s)}
.sh.dot{inset:34%;border-radius:50%;animation:dot 4s ease-in-out infinite var(--d,0s)}
.sh.arch{top:20%;border-radius:999px 999px 0 0;animation:arch 7s var(--ease) infinite var(--d,0s)}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(.78)}}
@keyframes halfspin{0%,40%{transform:rotate(0)}50%,90%{transform:rotate(180deg)}100%{transform:rotate(360deg)}}
@keyframes qspin{0%,20%{transform:rotate(0)}30%,45%{transform:rotate(90deg)}55%,70%{transform:rotate(180deg)}80%,95%{transform:rotate(270deg)}100%{transform:rotate(360deg)}}
@keyframes leaf{0%,40%{border-radius:0 100% 0 100%}50%,90%{border-radius:100% 0 100% 0}100%{border-radius:0 100% 0 100%}}
@keyframes dot{0%,100%{transform:scale(1)}50%{transform:scale(1.8)}}
@keyframes arch{0%,40%{transform:translateY(0)}50%,90%{transform:translateY(-25%)}100%{transform:translateY(0)}}

/* ending */
.ending{padding:120px 0 0}
.big-cta{display:block;font-family:var(--serif);font-size:clamp(64px,11vw,180px);line-height:.95;letter-spacing:-.03em;margin:28px 0 64px;transition:color .3s}
.big-cta em{color:var(--accent)}
.big-cta .up{display:inline-block;transition:transform .5s var(--ease)}
.big-cta:hover .up{transform:translateY(-14px) rotate(-8deg)}
.contact{display:grid;grid-template-columns:calc(var(--col) - var(--gutter)) 1fr;gap:var(--gutter);padding:96px 0}
.contact h3{font-family:var(--serif);font-weight:400;font-size:clamp(36px,4vw,56px);line-height:1}
.form{display:grid;grid-template-columns:1fr 1fr;gap:28px 24px}
.form .full{grid-column:1/-1}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.field input,.field textarea{width:100%;border:0;border-bottom:1px solid var(--ink);padding:10px 0;font-size:18px;background:transparent;outline:none;resize:vertical;transition:border-color .3s}
.field input:focus,.field textarea:focus{border-bottom-color:var(--accent)}
.form-note{font-size:14px;color:var(--muted);align-self:center}
.btn-solid{display:inline-flex;align-items:center;gap:10px;padding:16px 30px;border-radius:999px;background:var(--ink);color:#fff;border:0;cursor:pointer;font-size:16px;transition:background .3s,transform .3s var(--ease)}
.btn-solid:hover{background:var(--accent);transform:translateY(-2px)}

.site-footer{border-top:1px solid var(--line);padding:28px 0 36px;font-size:14px;color:var(--muted)}
.site-footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.site-footer a:hover{color:var(--ink)}

/* ---------- reveal & transitions ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--rd,0s)}
.reveal.in{opacity:1;transform:none}
.page-fade{position:fixed;inset:0;background:var(--accent);z-index:100;pointer-events:none;transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease)}
body.leaving .page-fade{transform:scaleY(1)}
body.entering .page-fade{transform:scaleY(1);transform-origin:top}
.split-line{display:block;overflow:hidden}
.split-line>span{display:inline-block;transform:translateY(105%);transition:transform 1s var(--ease);transition-delay:var(--ld,0s)}
.loaded .split-line>span{transform:none}

/* ==========================================================
   Case study
   ========================================================== */
.case-hero{padding:56px 0 96px;position:relative;overflow:hidden}
.back{display:inline-flex;gap:8px;font-size:15px;color:var(--muted);margin-bottom:56px;transition:color .3s,gap .3s}
.back:hover{color:var(--ink);gap:14px}
.case-hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:56px;align-items:center}
.case-hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(64px,8.5vw,136px);line-height:.92;letter-spacing:-.03em;margin:18px 0 26px}
.case-hero .summary{font-size:20px;color:#3a3935;max-width:600px}
.case-meta{display:grid;grid-template-columns:1fr 1fr;gap:22px 32px;margin:40px 0 36px;max-width:600px;border-top:1px solid var(--line);padding-top:24px}
.case-meta dt{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.pills{display:flex;gap:12px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:999px;border:1px solid var(--ink);font-size:15px;transition:background .3s,color .3s,border-color .3s}
.pill:hover{background:var(--ink);color:#fff}
.pill.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.pill.primary:hover{background:var(--ink);border-color:var(--ink)}
.pill[data-todo]{position:relative}
.hero-visual{position:relative;display:grid;place-items:center;min-height:620px}
.hero-visual .backdrop{position:absolute;width:min(560px,100%);aspect-ratio:1;border-radius:50%;background:var(--soft)}
.hero-visual .backdrop::after{content:"";position:absolute;inset:-34px;border-radius:50%;border:1px dashed #d8d5ce;animation:spin 60s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* devices */
.phone{--w:300px;width:var(--w);aspect-ratio:375/812;border-radius:calc(var(--w)*.15);background:#111;padding:calc(var(--w)*.03);position:relative;box-shadow:0 0 0 1.5px #2b2b2b inset,0 40px 80px -30px rgba(22,22,22,.45),0 10px 25px -10px rgba(22,22,22,.25);flex:none}
.phone::before{content:"";position:absolute;top:calc(var(--w)*.045);left:50%;width:30%;height:calc(var(--w)*.075);transform:translateX(-50%);background:#111;border-radius:99px;z-index:3}
.phone .screen{position:relative;width:100%;height:100%;border-radius:calc(var(--w)*.125);overflow:hidden;background:#fff;isolation:isolate}
.phone .screen>img{width:100%;height:100%;object-fit:cover;object-position:50% 0}
.phone.lg{--w:330px}.phone.sm{--w:240px}
.browser{width:100%;border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px var(--line),0 40px 80px -40px rgba(22,22,22,.4)}
.browser .bar{height:38px;display:flex;align-items:center;gap:7px;padding:0 14px;background:#f2f1ee;border-bottom:1px solid var(--line)}
.browser .bar i{width:11px;height:11px;border-radius:50%;background:#d9d6cf}
.browser .bar i:nth-child(1){background:#ff6058}.browser .bar i:nth-child(2){background:#ffbd2e}.browser .bar i:nth-child(3){background:#28c940}
.browser .bar span{margin-left:14px;flex:1;max-width:360px;height:22px;border-radius:6px;background:#fff;font-family:var(--mono);font-size:10.5px;color:var(--muted);display:flex;align-items:center;padding:0 10px;letter-spacing:.02em}
.browser .view{position:relative;aspect-ratio:16/10;overflow:hidden}
.browser .view>img{width:100%;height:100%;object-fit:cover;object-position:50% 0}
.browser .view.natural{aspect-ratio:auto}
.browser .view.natural>img{height:auto}
.autoscroll{animation:autoscroll var(--dur,14s) ease-in-out infinite}
@keyframes autoscroll{0%,12%{object-position:50% 0}50%,62%{object-position:50% var(--to,100%)}100%{object-position:50% 0}}
.crif-scroll{animation:crifscroll 10.7s ease-in-out infinite}
@keyframes crifscroll{0%,13.1%{object-position:50% 0}55.1%,70.1%{object-position:50% var(--to,72%)}100%{object-position:50% 0}}

/* flipbook */
.flip{position:absolute;inset:0}
.flip .layer{position:absolute;inset:0;background-repeat:no-repeat;visibility:hidden}
.flip .layer.on{visibility:visible}
.flip-intro{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2;transition:opacity .6s ease}
.flip-intro.out{opacity:0}
.flip-fade{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;background-repeat:no-repeat}

/* tata hero */
.tata-sky{position:absolute;left:0;width:100%;top:83.25%;height:16.75%;background-repeat:no-repeat;background-size:400% 1500%}
.tata-stars{position:absolute;left:-.53%;top:8.62%;width:100.8%;height:18.72%;overflow:visible}
.tata-stars .st{transform-box:fill-box;transform-origin:center;animation:twinkle 2.46s ease-in-out infinite var(--d,0s)}
.tata-stars .sp{animation-name:sparkle}
@keyframes twinkle{0%,16%{opacity:.55;transform:scale(1)}50%,66%{opacity:1;transform:scale(1.45)}100%{opacity:.55;transform:scale(1)}}
@keyframes sparkle{0%,16%{fill:#d0d0d0;transform:scale(1) rotate(0)}50%,66%{fill:#03FFAB;transform:scale(1.22) rotate(180deg)}100%{fill:#d0d0d0;transform:scale(1) rotate(360deg)}}

/* crif hero */
.crif-hero{position:relative;width:100%;max-width:640px}
.crif-hero .phone{position:absolute;right:0;bottom:-60px;--w:190px}

/* numbers */
.numbers{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.numbers>div{padding:36px 28px 36px 0;border-right:1px solid var(--line)}
.numbers>div+div{padding-left:28px}
.numbers>div:last-child{border-right:0}
.numbers b{display:block;font-family:var(--serif);font-weight:400;font-size:clamp(44px,4.6vw,72px);line-height:1;letter-spacing:-.02em;margin-bottom:12px}
.numbers span{color:var(--muted);font-size:15px}

.case-section{padding:110px 0}
.case-section.alt{background:var(--soft)}
.sec-intro{display:grid;grid-template-columns:calc(var(--col) - var(--gutter)) 1fr;gap:var(--gutter);margin-bottom:56px}
.sec-intro h2{font-family:var(--serif);font-weight:400;font-size:clamp(40px,4.4vw,66px);line-height:1;letter-spacing:-.02em;margin-top:16px}
.sec-intro p{font-size:18px;color:#3a3935;max-width:640px;align-self:end}

/* personas */
.personas{display:grid;grid-template-columns:repeat(var(--n,3),1fr);gap:20px}
.persona{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;display:flex;flex-direction:column;gap:18px;transition:transform .5s var(--ease),box-shadow .5s}
.persona:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(22,22,22,.25)}
.persona .who{display:flex;gap:14px;align-items:center}
.avatar{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:14px;color:#fff;background:var(--ac,var(--accent));flex:none}
.persona h4{font-size:20px;font-weight:600;line-height:1.2}
.persona .role{font-size:14px;color:var(--muted)}
.persona blockquote{font-family:var(--serif);font-size:23px;line-height:1.22;letter-spacing:-.005em}
.persona h5{font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.persona ul{list-style:none;font-size:15px}
.persona li{padding:3px 0}
.persona li::before{content:"— ";color:var(--muted)}
.persona .for{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:14px}
.persona .for b{color:var(--accent);font-weight:500}

/* problem & approach */
.pains{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px}
.pain{border-top:1px solid var(--ink);padding-top:18px;display:flex;gap:16px;align-items:baseline}
.pain .n{font-family:var(--mono);font-size:12px;color:var(--accent)}
.pain p{font-family:var(--serif);font-size:28px;line-height:1.1}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 18px}
.promises{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.promise{background:#fff;border-radius:20px;padding:30px;border:1px solid var(--line);position:relative;overflow:hidden}
.promise .n{font-family:var(--serif);font-size:64px;line-height:1;color:var(--accent);display:block;margin-bottom:28px}
.promise h4{font-size:22px;font-weight:600;margin-bottom:10px;line-height:1.2}
.promise p{color:var(--muted);font-size:16px}

/* IA */
.ia{display:flex;flex-direction:column;align-items:center}
.ia-root{background:var(--ink);color:#fff;padding:14px 26px;border-radius:999px;font-weight:500;position:relative}
.ia-cols{display:grid;grid-template-columns:repeat(var(--n,7),minmax(0,1fr));gap:12px;width:100%;margin-top:48px;position:relative}
.ia-cols::before{content:"";position:absolute;top:-24px;left:calc(100%/var(--n)/2);right:calc(100%/var(--n)/2);height:1px;background:var(--ink)}
.ia-root::after{content:"";position:absolute;left:50%;top:100%;width:1px;height:24px;background:var(--ink)}
.ia-col{display:flex;flex-direction:column;gap:8px;position:relative}
.ia-col::before{content:"";position:absolute;top:-24px;left:50%;width:1px;height:24px;background:var(--ink)}
.ia-col h5{background:var(--accent);color:#fff;font-size:14px;font-weight:500;padding:11px 10px;border-radius:10px;text-align:center;line-height:1.2}
.ia-col span{background:#fff;border:1px solid var(--line);font-size:13px;padding:8px 10px;border-radius:8px;text-align:center;line-height:1.25;transition:border-color .3s,transform .3s}
.ia-col span:hover{border-color:var(--accent);transform:translateY(-2px)}
.ia-note{margin-top:28px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);text-align:center}

/* flow */
.flow{display:flex;align-items:center;gap:0;flex-wrap:nowrap;overflow-x:auto;padding:40px 4px 35px;scrollbar-width:thin}
.flow .step{flex:none;width:170px;min-height:84px;display:grid;place-items:center;text-align:center;background:#fff;border:1px solid var(--ink);border-radius:14px;padding:14px;font-size:15px;line-height:1.25}
.flow .step.first{background:var(--ink);color:#fff}
.flow .step.last{background:var(--accent);border-color:var(--accent);color:#fff}
.flow .dec{flex:none;width:160px;height:160px;display:grid;place-items:center;position:relative;text-align:center;font-size:15px;line-height:1.2;padding:30px;margin:0 10px}
.flow .dec::before{content:"";position:absolute;inset:21px;border:1.5px solid var(--accent);background:#eef0ff;transform:rotate(45deg);border-radius:12px;z-index:0}
.flow .dec b{position:relative;font-weight:500}
.flow .dec small{position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap;font-family:var(--mono);font-size:10.5px;letter-spacing:.04em;color:var(--muted)}
.flow .dec small.y{top:-14px}.flow .dec small.n{bottom:-14px}
.flow .ar{flex:none;width:44px;height:1px;background:var(--ink);position:relative}
.flow .ar::after{content:"";position:absolute;right:0;top:-4px;border:4.5px solid transparent;border-left:7px solid var(--ink);border-right:0}
.flow-note{margin-top:22px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* highlights */
.hl{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:center;padding:90px 0;border-top:1px solid var(--line)}
.hl:first-child{border-top:0}
.hl.flipped .hl-text{order:2}
.hl-text h3{font-family:var(--serif);font-weight:400;font-size:clamp(40px,4.2vw,62px);line-height:1;letter-spacing:-.02em;margin:16px 0 20px}
.hl-text p{font-size:18px;color:#3a3935;max-width:480px}
.hl-media{display:flex;justify-content:center;gap:24px;align-items:center;background:var(--soft);border-radius:28px;padding:56px 24px;min-height:560px}
.hl-media.desk{padding:48px}
.hl-media .phone:nth-child(2){transform:translateY(40px)}

/* gallery / extras */
.media-row{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;align-items:flex-start}
.media-row figure{display:flex;flex-direction:column;align-items:center;gap:16px}
.media-row figcaption,.cap{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.wide-img{border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff}
.wide-img img{width:100%}
.cap{margin-top:14px;display:block}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.quote-list{display:grid;gap:14px}
.quote-list blockquote{font-family:var(--serif);font-size:26px;line-height:1.2;padding:22px 26px;background:#fff;border-radius:16px;border:1px solid var(--line)}
.bridge{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;margin-top:40px;padding:34px;border-radius:24px;background:var(--ink);color:#fff}
.bridge .side h4{font-family:var(--serif);font-weight:400;font-size:44px;line-height:1}
.bridge .side small{font-family:var(--mono);font-size:11px;letter-spacing:.12em;opacity:.7}
.bridge .side.r{text-align:right}
.bridge .mid{text-align:center;font-family:var(--mono);font-size:11px;letter-spacing:.12em}
.bridge .mid i{display:block;width:180px;height:1px;margin:12px auto;background:linear-gradient(90deg,var(--accent),var(--yellow));position:relative}
.bridge .mid i::after{content:"";position:absolute;top:-4px;width:9px;height:9px;border-radius:50%;background:#fff;animation:travel 2.6s ease-in-out infinite alternate}
@keyframes travel{from{left:0}to{left:calc(100% - 9px)}}
.swatches{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.swatches span{display:inline-flex;align-items:center;gap:10px;padding:8px 14px 8px 8px;border:1px solid var(--line);border-radius:999px;font-size:14px;background:#fff}
.swatches i{width:26px;height:26px;border-radius:50%;background:var(--c)}
.note-chip{display:inline-block;margin-top:18px;padding:12px 16px;background:#eef0ff;border-radius:12px;font-size:15px;color:#2a2f8f;max-width:520px}

/* process */
.process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:p}
.process>div{padding:0 22px 0 0;position:relative}
.process>div::before{counter-increment:p;content:"0" counter(p);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--ink);font-family:var(--mono);font-size:12px;background:#fff;position:relative;z-index:1;margin-bottom:22px;transition:background .3s,color .3s}
.process>div:hover::before{background:var(--accent);color:#fff;border-color:var(--accent)}
.process>div::after{content:"";position:absolute;top:22px;left:44px;right:0;height:1px;background:var(--line)}
.process>div:last-child::after{display:none}
.process h4{font-size:20px;font-weight:600;margin-bottom:8px}
.process p{font-size:15px;color:var(--muted)}

/* success */
.success{display:grid;grid-template-columns:calc(var(--col) - var(--gutter)) 1fr;gap:var(--gutter)}
.success .big{font-family:var(--serif);font-size:clamp(72px,9vw,140px);line-height:.9;letter-spacing:-.03em;color:var(--accent);margin:18px 0 22px}
.success p.lead{font-size:18px;color:#3a3935;max-width:460px}
.signals{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.signal{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.signal .n{font-family:var(--mono);font-size:12px;color:var(--accent)}
.signal h4{font-size:19px;font-weight:600;margin:12px 0 8px}
.signal p{font-size:15px;color:var(--muted)}
.foot-note{grid-column:1/-1;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:12px}

/* next */
.next{display:block;padding:110px 0 120px;border-top:1px solid var(--line);position:relative;overflow:hidden}
.next .big{display:flex;align-items:center;gap:24px;font-family:var(--serif);font-size:clamp(56px,9vw,150px);line-height:1;letter-spacing:-.03em;margin-top:18px;transition:color .4s}
.next .big .ar{transition:transform .5s var(--ease)}
.next:hover .big{color:var(--accent)}
.next:hover .big .ar{transform:translateX(24px)}

/* ==========================================================
   CV
   ========================================================== */
.cv-hero{padding:80px 0 72px;border-bottom:1px solid var(--ink)}
.cv-hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(60px,9vw,140px);line-height:.92;letter-spacing:-.03em;margin:18px 0 18px}
.cv-hero .sub{font-size:22px;color:#3a3935}
.cv-hero .pills{margin-top:32px}
.cv-row{display:grid;grid-template-columns:calc(var(--col) - var(--gutter)) 1fr;gap:var(--gutter);padding:64px 0;border-bottom:1px solid var(--line)}
.cv-row>.eyebrow{padding-top:6px}
.cv-row .lead{font-family:var(--serif);font-size:clamp(26px,2.6vw,36px);line-height:1.2;letter-spacing:-.01em}
.job{padding:0 0 36px;margin-bottom:36px;border-bottom:1px solid var(--line)}
.job:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.job-head{display:flex;justify-content:space-between;gap:20px;align-items:baseline;flex-wrap:wrap}
.job h3{font-size:24px;font-weight:600}
.job .when{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.job .title{color:var(--accent);margin:4px 0 10px;font-weight:500}
.job>p{color:#3a3935;max-width:680px}
.projects{margin-top:22px;display:grid;gap:10px}
.project{display:grid;grid-template-columns:1fr auto;gap:4px 20px;padding:18px 20px;border:1px solid var(--line);border-radius:14px;transition:border-color .3s,background .3s,transform .4s var(--ease)}
.project:hover{border-color:var(--accent);background:#f7f8ff;transform:translateX(6px)}
.project h4{font-size:18px;font-weight:600}
.project .when{font-family:var(--mono);font-size:11px;color:var(--muted);align-self:center}
.project p{grid-column:1/-1;font-size:15px;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{padding:9px 16px;border:1px solid var(--line);border-radius:999px;font-size:15px;transition:background .3s,color .3s,border-color .3s}
.chips span:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip-group+.chip-group{margin-top:28px}
.chip-group h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:400;margin-bottom:12px}
.edu{display:grid;gap:22px}
.edu div{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.edu h4{font-size:20px;font-weight:600}
.edu p{color:var(--muted)}

/* ==========================================================
   Responsive
   ========================================================== */
@media (max-width:1100px){
  :root{--gutter:32px;--col:380px}
  .ia-cols{grid-template-columns:repeat(4,minmax(0,1fr))}
  .ia-cols::before,.ia-col::before{display:none}
  .ia-root::after{display:none}
  .process{grid-template-columns:repeat(3,1fr);row-gap:40px}
  .process>div::after{display:none}
  .personas{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  :root{--gutter:20px}
  body{font-size:16px}
  .nav{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:10px 20px 24px;border-bottom:1px solid var(--line);transform:translateY(-12px);opacity:0;pointer-events:none;transition:all .35s var(--ease)}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:20px}
  .nav a::after{display:none}
  body.menu-open .nav{transform:none;opacity:1;pointer-events:auto}
  .menu-btn{display:block}
  .hero{padding:48px 0 40px}
  .hero-grid,.case-hero-grid{grid-template-columns:1fr}
  .cube-stage{order:-1}
  .cube-flip{width:min(72vw,300px)}
  .meta-row{grid-template-columns:1fr;margin-top:48px}
  .meta-row>div{padding:16px 0;border-bottom:1px solid var(--line)}
  .section,.case-section{padding:72px 0}
  .section-head,.split,.sec-intro,.contact,.success,.cv-row{grid-template-columns:1fr;gap:20px}
  .work-row{grid-template-columns:1fr 44px;gap:10px 16px;padding:26px 0}
  .work-row .num{grid-column:1/-1}
  .work-row p{grid-column:1/-1;grid-row:3}
  .work-row .arrow{grid-column:2;grid-row:2;width:44px;height:44px}
  .work-row .row-thumb{display:block;grid-column:1/-1;border-radius:12px;overflow:hidden;aspect-ratio:16/9;margin-top:10px}
  .work-row .row-thumb img{width:100%;height:100%;object-fit:cover}
  .work-row:hover{padding-left:0;padding-right:0}
  .work-row::before{display:none}
  .thumb-float{display:none}
  .spec-grid,.pains,.promises,.signals,.two-col{grid-template-columns:1fr}
  .tiles.row{grid-template-columns:repeat(4,1fr)}
  .form{grid-template-columns:1fr}
  .numbers{grid-template-columns:1fr 1fr}
  .numbers>div{padding:24px 16px 24px 0!important;border-right:0;border-bottom:1px solid var(--line)}
  .numbers>div:nth-child(odd){padding-right:16px}
  .personas{grid-template-columns:1fr}
  .ia-cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hl{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .hl.flipped .hl-text{order:0}
  .hl-media{min-height:0;padding:36px 16px}
  .hl-media.desk{padding:20px}
  .hl-media .phone{--w:min(220px,40vw)}
  .hl-media .phone:only-child{--w:min(260px,70vw)}
  .hero-visual{min-height:0;padding:30px 0}
  .phone.lg{--w:min(300px,72vw)}
  .crif-hero{margin-bottom:60px}
  .crif-hero .phone{--w:120px;right:-6px;bottom:-50px}
  .process{grid-template-columns:1fr 1fr}
  .bridge{grid-template-columns:1fr;text-align:center}
  .bridge .side.r{text-align:center}
  .media-row .phone{--w:min(200px,42vw)}
  .case-meta{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important}
  .reveal{opacity:1;transform:none}
}


/* ---------- password protection modal ---------- */
.pw-modal-overlay{position:fixed;inset:0;background:rgba(22,22,22,.65);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:1000;display:grid;place-items:center;opacity:0;pointer-events:none;transition:opacity .3s var(--ease)}
.pw-modal-overlay.active{opacity:1;pointer-events:auto}
.pw-modal{background:#fff;border:1px solid var(--line);border-radius:24px;padding:44px;width:min(440px,90vw);box-shadow:0 40px 80px -20px rgba(22,22,22,.3);transform:translateY(20px);transition:transform .4s var(--ease)}
.pw-modal-overlay.active .pw-modal{transform:none}
.pw-modal h3{font-family:var(--serif);font-size:36px;font-weight:400;margin-bottom:10px;letter-spacing:-.01em}
.pw-modal p{color:var(--muted);font-size:15px;margin-bottom:28px}
.pw-form{display:grid;gap:16px}
.pw-input-wrap{position:relative}
.pw-input{width:100%;border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-size:16px;outline:none;transition:border-color .3s}
.pw-input:focus{border-color:var(--accent)}
.pw-error{color:var(--red);font-size:13px;margin-top:6px;display:none}
.pw-error.show{display:block}
.pw-actions{display:flex;gap:10px;margin-top:8px}
.pw-submit{flex:1;padding:14px;border-radius:12px;background:var(--accent);color:#fff;border:0;font-weight:500;cursor:pointer;transition:background .3s}
.pw-submit:hover{background:var(--accent-2)}
.pw-cancel{padding:14px 20px;border-radius:12px;background:var(--soft);color:var(--ink);border:0;cursor:pointer;transition:background .3s}
.pw-cancel:hover{background:var(--line)}


/* ---------- work section password lock overlay ---------- */
.work-lock-container{position:relative}
.work-locked-content{transition:filter .4s var(--ease);filter:blur(10px);user-select:none;pointer-events:none}
.work-lock-overlay{position:absolute;inset:0;display:grid;place-items:center;z-index:20;background:rgba(255,255,255,0.25);backdrop-filter:blur(3px)}
.work-lock-badge{background:var(--ink);color:#fff;padding:22px 32px;border-radius:18px;text-align:center;box-shadow:0 20px 40px rgba(0,0,0,0.25);display:grid;gap:10px;max-width:360px;width:90%}
.work-lock-badge h4{font-family:var(--serif);font-size:26px;font-weight:400}
.work-lock-badge p{font-size:13px;color:#b5b3ad}
.work-lock-btn{background:var(--accent);color:#fff;border:0;padding:12px 22px;border-radius:999px;font-weight:500;cursor:pointer;transition:background .3s}
.work-lock-btn:hover{background:var(--accent-2)}


.cube-stage-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;justify-self:center}
.solve-btn{background:var(--soft);border:1px solid var(--line);color:var(--ink);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:10px 20px;border-radius:999px;cursor:pointer;transition:background .3s,border-color .3s,color .3s}
.solve-btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- Interactive OnlineCube-style 3D Rubik's Cube ---------- */
.cube-stage-wrap { display:flex; flex-direction:column; align-items:center; gap:14px; justify-self:center; }
.cube-controls { display:flex; gap:10px; align-items:center; }
.solve-btn.secondary { background:transparent; color:var(--muted); }
.solve-btn.secondary:hover { background:var(--ink); border-color:var(--ink); color:#fff; }

.rubik-scene {
  position: relative;
  width: min(32vw, 360px);
  height: min(32vw, 360px);
  display: grid;
  place-items: center;
  perspective: 950px;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  cursor: grab;
}
.rubik-scene:active { cursor: grabbing; }

.rubik-shadow {
  position: absolute;
  bottom: 18px;
  width: 170px;
  height: 26px;
  background: radial-gradient(ellipse at center, rgba(22,22,22,0.18) 0%, rgba(22,22,22,0) 72%);
  pointer-events: none;
  transform: translateY(10px);
}

.rubik-pivot {
  width: 0;
  height: 0;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.08s linear;
}

.rubik-cube {
  position: relative;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
}

.cubie {
  position: absolute;
  width: 56px;
  height: 56px;
  left: -28px;
  top: -28px;
  transform-style: preserve-3d;
}
.cubie.animating {
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cubie-face {
  position: absolute;
  width: 56px;
  height: 56px;
  background: #161616;
  border-radius: 7px;
  padding: 4.5px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-sizing: border-box;
}

.cubie-sticker {
  width: 100%;
  height: 100%;
  border-radius: 4px;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
}

.cubie-face.f-U { transform: rotateX(90deg) translateZ(28px); }
.cubie-face.f-D { transform: rotateX(-90deg) translateZ(28px); }
.cubie-face.f-R { transform: rotateY(90deg) translateZ(28px); }
.cubie-face.f-L { transform: rotateY(-90deg) translateZ(28px); }
.cubie-face.f-F { transform: translateZ(28px); }
.cubie-face.f-B { transform: rotateY(180deg) translateZ(28px); }

@media (max-width: 860px) {
  .rubik-scene { width: min(74vw, 300px); height: min(74vw, 300px); }
}