/* Zahra Zoghi portfolio: shared styles for case-study pages */
:root{--paper:#F3F1EC;--ink:#161513;--ink2:#5A564F;--line:#DCD7CE;--red:#CF4027;--night:#141312;--tint:#E9E4DA}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Inter Tight',system-ui,sans-serif;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:4px}
.serif{font-family:'Instrument Serif',Georgia,serif;font-weight:400}
.it{font-style:italic}
.wrap{max-width:1320px;margin:0 auto;padding:0 40px}
.muted{color:var(--ink2)}
.paper-grain{position:fixed;inset:0;pointer-events:none;z-index:60;background:url(noise.png);opacity:.45}
.grain{position:absolute;inset:0;pointer-events:none;background:url(noise.png)}

/* nav */
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;flex-wrap:wrap}
.me{display:flex;align-items:center;gap:12px;font-size:15px;line-height:1.25}
.me img{width:40px;height:40px;border-radius:50%;object-fit:cover;object-position:50% 22%}
.me b{font-weight:600;display:block}
.nav nav{display:flex;gap:30px;align-items:center;font-size:15px}
.nav nav a{padding:10px 0;position:relative}
.nav nav a:not(.btn):after{content:"";position:absolute;left:0;right:0;bottom:6px;height:1px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.nav nav a:not(.btn):hover:after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;background:var(--ink);color:var(--paper);font-size:15px;font-weight:500;padding:12px 20px;transition:background .3s}
.nav nav a.btn{padding:12px 20px}
.btn:hover{background:var(--red)}

.nav nav a.lang{padding:6px 14px;border-radius:999px;box-shadow:0 0 0 1px var(--line);font-family:'Vazirmatn','Inter Tight',sans-serif;font-size:14px;line-height:1.6}
.nav nav a.lang:after{display:none}
.nav nav a.lang:hover{background:#fff}

/* device frames */
.stage{position:absolute;left:50%;top:50%;translate:-50% -50%}
.s12{width:1240px;height:640px;scale:tan(atan2(100cqw,1240px))}
.phone{position:absolute;width:228px;aspect-ratio:9/19.2;border-radius:38px;background:#121214;padding:8px;box-shadow:0 40px 70px -24px rgba(30,20,40,.45),0 2px 0 rgba(255,255,255,.08) inset}
.phone .scr{width:100%;height:100%;border-radius:31px;overflow:hidden;background:#fff;position:relative}
.phone .scr img{width:100%;height:100%;object-fit:cover;object-position:top}
.win{position:absolute;background:#fff;border-radius:12px;box-shadow:0 40px 80px -30px rgba(40,30,20,.4);overflow:hidden}
.win .bar{height:30px;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid #eee;background:#fbfaf8}
.win .bar i{width:8px;height:8px;border-radius:50%;background:#e2ded8;display:block}
.win .url{margin-left:12px;padding:3px 10px;border-radius:7px;background:#f0eeea;color:#77726a;font-size:11px;line-height:1.4}
.win img{width:100%;height:auto}

/* case hero */
.back{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--ink2);padding:8px 0}
.back:hover{color:var(--red)}
.cs-head{padding-block:72px 48px}
.eyebrow{margin:28px 0 0;font-size:14px;color:var(--ink2);letter-spacing:.02em}
.cs-head h1{margin:10px 0 0;font-size:clamp(56px,9vw,132px);line-height:.95;letter-spacing:-.025em}
.lede{margin:28px 0 0;max-width:760px;font-size:clamp(20px,2vw,26px);line-height:1.4;letter-spacing:-.005em}
.meta{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin:56px 0 0;padding:22px 0 0;border-top:1px solid var(--ink)}
.meta div{display:flex;flex-direction:column;gap:4px}
.meta dt{font-size:13px;color:var(--ink2)}
.meta dd{margin:0;font-size:16px}
.tag{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;padding:5px 12px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px var(--line);font-size:14px}
.tag:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--dot,#2E9E5B)}
.tag.spec{--dot:#C98A12}
.tag.mix{--dot:#5B7FD6}

/* big cover */
.cs-cover{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:1240/640;container-type:inline-size}

/* sections */
.sec{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;padding:110px 0 0}
.sec > h2{margin:0;font-size:15px;font-weight:500;letter-spacing:.01em;font-family:'Inter Tight',sans-serif}
.sec > h2 span{display:block;color:var(--ink2);font-weight:400;margin-bottom:6px}
.body{max-width:760px}
.body > p{margin:0 0 18px;font-size:19px;line-height:1.6;color:#2B2925}
.body > p.big{font-family:'Instrument Serif',Georgia,serif;font-size:clamp(30px,3vw,42px);line-height:1.15;letter-spacing:-.01em;color:var(--ink);margin-bottom:28px}
.note{margin:22px 0 0;padding:16px 18px;border-radius:14px;background:var(--tint);font-size:15.5px;color:#3F3B35}

/* role groups */
.groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 24px;margin-top:8px}
.groups h3{margin:0 0 10px;font-size:15px;font-weight:600}
.groups ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.groups li{padding:6px 12px;border-radius:999px;background:#fff;box-shadow:0 0 0 1px var(--line);font-size:14.5px}

/* numbered cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{padding:24px;border-radius:18px;background:#fff;box-shadow:0 0 0 1px var(--line)}
.card .n{font-size:13px;color:var(--ink2)}
.card h3{margin:22px 0 8px;font-size:19px;font-weight:600;letter-spacing:-.01em;line-height:1.3}
.card p{margin:0;color:var(--ink2);font-size:15.5px}

/* decisions */
.dec{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.dec:first-child{border-top:1px solid var(--ink)}
.dec h3{margin:8px 0 10px;font-size:26px;line-height:1.15;font-weight:400;font-family:'Instrument Serif',Georgia,serif;letter-spacing:-.005em}
.dec p{margin:0;color:var(--ink2);font-size:16px}
.dec .n{font-size:13px;color:var(--ink2)}
.viz{border-radius:18px;background:#fff;box-shadow:0 0 0 1px var(--line);padding:26px;display:flex;flex-direction:column;gap:14px;font-size:14px}
.viz .lab{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink2)}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.st{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;background:#F4F2EE;font-size:14px;line-height:1.3}
.st:before{content:"";flex:none;width:7px;height:7px;border-radius:50%;background:var(--c,#9C968C)}
.st.ok{--c:#2E9E5B}.st.warn{--c:#C98A12}.st.bad{--c:#C8442E}.st.off{--c:#9C968C}.st.info{--c:#5B7FD6}
.st.old{text-decoration:line-through;color:#8E887F;background:transparent;box-shadow:0 0 0 1px var(--line)}
.arrow{color:#A29C92}
.vs{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:14px;align-items:center}
.vs .side{display:flex;flex-direction:column;gap:8px}
.skel{display:flex;flex-direction:column;gap:6px;padding:12px;border-radius:12px;box-shadow:0 0 0 1px var(--line)}
.skel b{font-size:12.5px;font-weight:600}
.skel i{display:block;height:7px;border-radius:4px;background:#ECE8E1}
.skel i:nth-child(odd){width:82%}

/* steps */
.steps{display:flex;flex-wrap:wrap;gap:0;counter-reset:s}
.steps > div{flex:1 1 140px;position:relative;padding:16px 16px 16px 0;border-top:2px solid var(--ink);font-size:14.5px;line-height:1.35}
.steps > div:before{counter-increment:s;content:counter(s,decimal-leading-zero);display:block;font-size:12px;color:var(--ink2);margin-bottom:6px}
.steps > div.hl{border-top-color:var(--red)}
.steps small{display:block;margin-top:6px;color:var(--ink2);font-size:13px}

/* state matrix */
.matrix{display:grid;grid-template-columns:minmax(110px,1.4fr) repeat(4,minmax(0,1fr));border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--line);background:#fff;font-size:14px}
.matrix > span{padding:12px 14px;border-top:1px solid #EFECE6;display:flex;align-items:center;gap:8px}
.matrix > span.h{border-top:0;color:var(--ink2);font-size:12.5px}
.matrix > span.k{font-weight:500}
.matrix i{width:9px;height:9px;border-radius:50%;background:var(--c);display:block}

/* screens */
.screens{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;margin-top:8px}
.shot{grid-column:span 12;margin:0}
.shot.w8{grid-column:span 8}.shot.w6{grid-column:span 6}.shot.w4{grid-column:span 4}.shot.w3{grid-column:span 3}
.frame{border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px var(--line),0 30px 60px -36px rgba(40,30,20,.35)}
.frame .bar{height:30px;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid #eee;background:#fbfaf8}
.frame .bar i{width:8px;height:8px;border-radius:50%;background:#e2ded8;display:block}
.frame .bar span{margin-left:12px;padding:3px 10px;border-radius:7px;background:#f0eeea;color:#77726a;font-size:11px}
.frame img{width:100%;height:auto}
.mob{border-radius:30px;padding:7px;background:#121214;max-width:300px;margin:0 auto}
.mob img{border-radius:24px;width:100%;height:auto}
.panel{border-radius:20px;padding:40px 28px;display:flex;align-items:flex-end;justify-content:center}
.shot figcaption{margin-top:12px;font-size:14.5px;color:var(--ink2)}
.shot figcaption b{color:var(--ink);font-weight:500}

/* learnings */
.learn{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.learn blockquote{margin:0;padding:26px 0 0;border-top:1px solid var(--ink);font-family:'Instrument Serif',Georgia,serif;font-size:26px;line-height:1.25}

/* next */
.next{display:block;margin-top:140px;padding:40px 0 0;border-top:1px solid var(--ink)}
.next small{font-size:14px;color:var(--ink2)}
.next .t{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap;margin-top:8px;font-size:clamp(48px,7vw,104px);line-height:1;letter-spacing:-.02em}
.next .t em{font-family:'Inter Tight',sans-serif;font-style:normal;font-size:18px;letter-spacing:0;color:var(--ink2)}
.next:hover .t span{color:var(--red)}
.next .t span{transition:color .3s}

/* footer */
.end{margin-top:150px;background:var(--night);color:var(--paper);border-radius:44px 44px 0 0}
.end .wrap{padding-top:110px;padding-bottom:28px}
.end-top{display:flex;align-items:center;gap:22px}
.end-top img{width:76px;height:76px;border-radius:50%;object-fit:cover;object-position:50% 22%;flex:none}
.end h2{margin:0;font-size:clamp(46px,6.4vw,96px);line-height:1;letter-spacing:-.02em}
.end h2 em{color:#F08A6E}
.end .pitch{margin:22px 0 0;max-width:560px;color:#B8B2A8;font-size:18px}
.rule{position:relative;margin:64px 0 0;border-top:1px solid #3A3733}
.go{position:absolute;right:8%;top:0;translate:0 -50%;width:176px;height:176px;border-radius:50%;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;text-align:center;font-size:17px;font-weight:500;line-height:1.2;transition:scale .4s cubic-bezier(.2,.9,.25,1.2),background .3s}
.go:hover{scale:1.06;background:#E85A3F}
.contacts{display:flex;flex-wrap:wrap;gap:12px;margin-top:56px}
.contacts a{padding:16px 26px;border-radius:999px;border:1px solid #47433E;font-size:16px;transition:background .3s,color .3s,border-color .3s}
.contacts a:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.bottom{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:140px;padding-top:24px;border-top:1px solid #2C2A27;font-size:13px;color:#A8A297}
.bottom div{display:flex;flex-direction:column;gap:6px}
.bottom div:last-child{text-align:right}
.bottom small{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#8E887F}
.bottom a:hover{color:var(--paper)}

/* reveal */
@supports (animation-timeline: view()){
  .reveal{animation:reveal linear both;animation-timeline:view();animation-range:entry 0% entry 60%}
  @keyframes reveal{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:none}}
}

@media (max-width: 980px){
  .meta{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sec{grid-template-columns:1fr;gap:18px;padding-top:84px}
  .cards{grid-template-columns:1fr}
  .dec{grid-template-columns:1fr;gap:22px}
  .shot.w8,.shot.w6{grid-column:span 12}
  .shot.w4{grid-column:span 6}.shot.w3{grid-column:span 6}
}
@media (max-width: 620px){
  .wrap{padding:0 18px}
  body{font-size:16px}
  .me span{display:none}
  .nav nav{gap:18px}
  .nav nav a.hide-m{display:none}
  .cs-head{padding-block:40px 36px}
  .cs-cover{aspect-ratio:1/1;border-radius:16px}
  .cs-cover .s12{scale:tan(atan2(100cqw,760px))}
  .groups,.cards.two,.learn{grid-template-columns:1fr}
  .body > p{font-size:17px}
  .vs{grid-template-columns:1fr}
  .vs .arrow{transform:rotate(90deg);justify-self:start}
  .matrix{font-size:12.5px;grid-template-columns:minmax(84px,1.3fr) repeat(4,minmax(0,1fr))}
  .matrix > span{padding:10px 8px}
  .shot.w4,.shot.w3{grid-column:span 12}
  .end{margin-top:110px;border-radius:28px 28px 0 0}
  .end .wrap{padding-top:80px}
  .end-top{flex-direction:column;align-items:flex-start}
  .rule{margin-top:100px}
  .go{right:4%;width:128px;height:128px;font-size:15px}
  .contacts a{padding:14px 20px;font-size:15px}
  .bottom{grid-template-columns:1fr;margin-top:100px}
  .bottom div:last-child{text-align:left}
}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}