/* SARWADA — Premium Portfolio & Case Studies (dark shell, light product imagery) */
.wk-body{background:var(--bg)}
.pf-reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.pf-reveal.pf-in{opacity:1;transform:none}
.pf-eyebrow{display:inline-flex;align-items:center;gap:10px;font:700 12px var(--font-mono,monospace);letter-spacing:.14em;text-transform:uppercase;color:var(--amber)}
.pf-eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);border-radius:2px}
.pf-h2{font-size:clamp(28px,3.6vw,46px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 14px}
.pf-sub{color:var(--text-dim);font-size:16.5px;line-height:1.75;max-width:640px}
.pf-grad{background:var(--gradient-brand);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- hero ---------- */
.pf-hero{padding:150px 0 70px;position:relative;overflow:hidden}
.pf-hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:900px;height:640px;background:radial-gradient(closest-side,rgba(108,123,255,.2),transparent);pointer-events:none}
.pf-hero::after{content:"";position:absolute;left:-200px;bottom:-200px;width:560px;height:560px;background:radial-gradient(closest-side,rgba(245,177,92,.09),transparent);pointer-events:none}
.pf-hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center;position:relative;z-index:1}
.pf-crumb{font-size:13px;color:var(--text-dim);margin-bottom:22px}.pf-crumb a:hover{color:var(--text)}
.pf-hero h1{font-size:clamp(42px,5.6vw,74px);line-height:1.02;letter-spacing:-.045em;margin:16px 0 22px}
.pf-hero p.lead{font-size:17.5px;line-height:1.8;color:var(--text-dim);max-width:560px;margin-bottom:30px}
.pf-hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.pf-stats{display:flex;gap:40px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line)}
.pf-stats b{display:block;font:800 28px var(--font-head,inherit);letter-spacing:-.02em}
.pf-stats span{font-size:12.5px;color:var(--text-dim)}
.pf-collage{position:relative;height:500px}
.pf-collage figure{position:absolute;margin:0;border-radius:18px;overflow:hidden;background:#fff;box-shadow:0 40px 90px -20px rgba(0,0,0,.65),0 0 0 1px rgba(255,255,255,.08);transition:transform .5s cubic-bezier(.2,.7,.3,1)}
.pf-collage img{display:block;width:100%;height:100%;object-fit:cover}
.pf-collage .c1{width:78%;aspect-ratio:16/10;left:0;top:0;z-index:2}
.pf-collage .c2{width:58%;aspect-ratio:16/10;right:0;top:34%;z-index:3}
.pf-collage .c3{width:50%;aspect-ratio:16/10;left:6%;bottom:0;z-index:1}
.pf-collage:hover .c1{transform:translate(-6px,-6px)}.pf-collage:hover .c2{transform:translate(8px,4px)}.pf-collage:hover .c3{transform:translate(-4px,8px)}
.pf-badge{position:absolute;z-index:4;right:4%;top:6%;background:rgba(17,21,31,.9);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:14px;padding:12px 16px;font-size:12.5px;color:var(--text-dim);box-shadow:0 20px 40px -10px rgba(0,0,0,.5)}
.pf-badge b{display:block;color:var(--text);font-size:15px}.pf-badge i{display:inline-block;width:8px;height:8px;border-radius:50%;background:#4fd18a;margin-right:8px}

/* ---------- filter + grid ---------- */
.pf-sec{padding:70px 0}
.pf-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.pf-filters{display:flex;gap:8px;flex-wrap:wrap}
.pf-filter{border:1px solid var(--line);background:transparent;color:var(--text-dim);padding:10px 18px;border-radius:999px;cursor:pointer;font:600 13.5px var(--font-body,inherit);transition:.25s}
.pf-filter:hover{color:var(--text);border-color:var(--indigo)}
.pf-filter.active{color:#fff;background:var(--gradient-brand);border-color:transparent}
.pf-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.pf-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:24px;overflow:hidden;transition:transform .4s cubic-bezier(.2,.7,.3,1),border-color .4s,box-shadow .4s}
.pf-card:hover{transform:translateY(-8px);border-color:color-mix(in srgb,var(--ac) 55%,transparent);box-shadow:0 40px 80px -30px color-mix(in srgb,var(--ac) 40%,#000)}
.pf-card.wide{grid-column:1/-1;display:grid;grid-template-columns:1.25fr 1fr}
.pf-media{position:relative;display:grid;place-items:center;aspect-ratio:16/10;overflow:hidden;padding:18px;background:radial-gradient(120% 90% at 50% 40%,color-mix(in srgb,var(--ac) 16%,transparent),transparent 70%),#0B0E16}
.pf-card.wide .pf-media{aspect-ratio:auto;min-height:420px}
.pf-media img{width:100%;height:100%;object-fit:contain;object-position:center;filter:drop-shadow(0 14px 26px rgba(0,0,0,.5));transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.pf-card:hover .pf-media img{transform:scale(1.045)}
.pf-tag{position:absolute;left:16px;top:16px;background:rgba(15,23,42,.88);color:#fff;font-size:11.5px;font-weight:700;padding:7px 12px;border-radius:999px;backdrop-filter:blur(6px)}
.pf-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1}
.pf-card.wide .pf-body{padding:44px;justify-content:center}
.pf-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.pf-brand img{width:42px;height:42px;background:none;padding:3px;object-fit:contain;filter:drop-shadow(0 0 1px rgba(255,255,255,.95)) drop-shadow(0 0 3px rgba(255,255,255,.45))}
.pf-brand span{font-size:12.5px;color:var(--text-dim);line-height:1.3}.pf-brand b{display:block;color:var(--text);font-size:14.5px}
.pf-body h3{font-size:24px;letter-spacing:-.03em;margin-bottom:10px}.pf-card.wide h3{font-size:34px}
.pf-body p{color:var(--text-dim);font-size:14.5px;line-height:1.75;margin-bottom:18px}
.pf-chips{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:22px}
.pf-chips span{font-size:11.5px;font-weight:600;color:var(--text-dim);border:1px solid var(--line);border-radius:999px;padding:5px 11px}
.pf-cta{margin-top:auto;display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:14px;color:var(--ac)}
.pf-cta i{font-style:normal;transition:transform .3s}.pf-card:hover .pf-cta i{transform:translateX(6px)}

/* ---------- brands strip ---------- */
.pf-brands{padding:44px 0 40px;border-block:1px solid var(--line);background:#f3f5fa}.pf-brands .pf-eyebrow{color:#5b6478}
.pf-brand-row{display:grid;grid-template-columns:repeat(9,1fr);gap:18px;margin-top:26px}
.pf-brand-row a{display:flex;flex-direction:column;align-items:center;gap:10px;font-size:12px;color:var(--text-dim);font-weight:600;transition:.3s}
.pf-brand-row img{width:60px;height:60px;border-radius:18px;transition:.3s}
.pf-brand-row a:hover{color:var(--text)}.pf-brand-row a:hover img{transform:translateY(-4px) scale(1.06)}

/* ---------- process ---------- */
.pf-process{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:40px}
.pf-step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px 20px;transition:.3s}
.pf-step:hover{border-color:var(--sc);transform:translateY(-4px)}
.pf-step .n{font:800 30px var(--font-mono,monospace);color:var(--sc);opacity:.9}
.pf-step h4{margin:14px 0 8px;font-size:17px}.pf-step p{font-size:13px;line-height:1.65;color:var(--text-dim)}

/* ---------- CTA ---------- */
.pf-cta-box{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;padding:56px;border-radius:28px;border:1px solid var(--line);background:radial-gradient(600px 300px at 90% 0,rgba(108,123,255,.22),transparent),radial-gradient(500px 260px at 0 100%,rgba(245,177,92,.12),transparent),var(--surface)}
.pf-cta-box h2{font-size:clamp(26px,3.2vw,40px);letter-spacing:-.03em;max-width:620px;margin:12px 0}.pf-cta-box p{color:var(--text-dim);max-width:560px;line-height:1.7}

/* ================= case study ================= */
.cs-hero{padding:140px 0 0;position:relative;overflow:hidden}
.cs-hero::before{content:"";position:absolute;left:50%;top:-140px;width:1100px;height:640px;transform:translateX(-50%);background:radial-gradient(closest-side,color-mix(in srgb,var(--ac) 30%,transparent),transparent);pointer-events:none}
.cs-hero .container{position:relative}
.cs-back{display:inline-flex;gap:8px;font-size:13.5px;font-weight:600;color:var(--text-dim);margin-bottom:34px}.cs-back:hover{color:var(--text)}
.cs-top{display:flex;align-items:center;gap:14px;margin-bottom:20px}.cs-top img{width:56px;height:56px;background:none;padding:4px;object-fit:contain;filter:drop-shadow(0 0 1px rgba(255,255,255,.95)) drop-shadow(0 0 3px rgba(255,255,255,.45))}
.cs-pill{font-size:12px;font-weight:700;color:var(--ac);background:color-mix(in srgb,var(--ac) 14%,transparent);border:1px solid color-mix(in srgb,var(--ac) 35%,transparent);border-radius:999px;padding:7px 14px}
.cs-hero h1{font-size:clamp(38px,5.2vw,68px);line-height:1.03;letter-spacing:-.045em;max-width:900px;margin-bottom:20px}
.cs-lead{font-size:18.5px;line-height:1.75;color:var(--text-dim);max-width:720px;margin-bottom:28px}
.cs-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:38px}.cs-tags span{font-size:12px;font-weight:600;color:var(--text-dim);border:1px solid var(--line);border-radius:999px;padding:6px 13px}
.cs-meta{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);border-radius:20px;background:var(--surface);overflow:hidden}
.cs-meta div{padding:22px 22px;border-right:1px solid var(--line)}.cs-meta div:last-child{border:none}
.cs-meta small{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);margin-bottom:8px;font-weight:700}.cs-meta strong{font-size:14px;line-height:1.4}
.cs-stage{margin:56px auto 0;position:relative}
.cs-stage .frame{background:none;box-shadow:none;transform:translateY(30px)}.cs-stage .frame img{filter:drop-shadow(0 40px 60px rgba(0,0,0,.6))}
.cs-stage img{display:block;width:100%}
.cs-sec{padding:96px 0 0}
.cs-sec:first-of-type{padding-top:130px}
.cs-two{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.cs-label{font:700 12px var(--font-mono,monospace);letter-spacing:.14em;text-transform:uppercase;color:var(--ac)}
.cs-sec h2{font-size:clamp(28px,3.4vw,44px);line-height:1.1;letter-spacing:-.035em;margin-top:12px;max-width:640px}
.cs-sec p.t{color:var(--text-dim);font-size:16.5px;line-height:1.85}
.cs-list{list-style:none;margin-top:22px;display:grid;gap:12px}
.cs-list li{position:relative;padding:15px 18px 15px 48px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font-size:14.5px;color:var(--text)}
.cs-list li::before{content:"✓";position:absolute;left:16px;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:50%;background:color-mix(in srgb,var(--ac) 18%,transparent);color:var(--ac);font-size:12px;font-weight:800;display:grid;place-items:center}
.cs-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:34px;counter-reset:s}
.cs-steps div{position:relative;border-top:2px solid var(--line);padding:22px 4px 0 0;font-size:14px;line-height:1.65;color:var(--text-dim)}
.cs-steps div::before{counter-increment:s;content:"0" counter(s);display:block;font:800 22px var(--font-mono,monospace);color:var(--ac);margin-bottom:10px}
.cs-steps div::after{content:"";position:absolute;top:-2px;left:0;width:44px;height:2px;background:var(--ac)}
.cs-showcase{margin-top:38px;padding:44px;border-radius:28px;border:1px solid var(--line);background:linear-gradient(180deg,var(--surface),var(--bg-2))}
.cs-shots{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:6px}
.cs-shots figure,.cs-final figure{margin:0;cursor:zoom-in}
.cs-shots .im,.cs-final .im{border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 24px 50px -22px rgba(0,0,0,.7);transition:transform .45s cubic-bezier(.2,.7,.3,1)}
.cs-shots figure:hover .im,.cs-final figure:hover .im{transform:translateY(-6px)}
.cs-shots img,.cs-final img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top}
.cs-shots figcaption,.cs-final figcaption{margin-top:12px;font-size:13px;color:var(--text-dim);font-weight:600}
.cs-features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.cs-feat{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--surface);transition:.3s}
.cs-feat:hover{border-color:var(--ac);transform:translateY(-4px)}
.cs-feat i{display:grid;place-items:center;width:38px;height:38px;border-radius:11px;background:color-mix(in srgb,var(--ac) 16%,transparent);color:var(--ac);font:800 14px var(--font-mono,monospace);font-style:normal;margin-bottom:16px}
.cs-feat b{display:block;font-size:15.5px;margin-bottom:8px}.cs-feat p{font-size:13.5px;line-height:1.65;color:var(--text-dim)}
.cs-stack{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.cs-stack span{padding:13px 22px;border-radius:14px;background:var(--surface);border:1px solid var(--line);font-weight:700;font-size:14.5px}
.cs-results{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.cs-res{padding:28px 24px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(160deg,color-mix(in srgb,var(--ac) 12%,var(--surface)),var(--surface))}
.cs-res i{font:800 13px var(--font-mono,monospace);font-style:normal;color:var(--ac)}
.cs-res b{display:block;font-size:19px;letter-spacing:-.02em;margin:14px 0 8px}.cs-res p{font-size:13.5px;color:var(--text-dim);line-height:1.65}
.cs-final{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px}
.cs-final figure:first-child{grid-column:1/-1}
.cs-next{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:30px}
.cs-next a{display:flex;align-items:center;gap:16px;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--surface);transition:.3s}
.cs-next a:hover{border-color:var(--indigo);transform:translateY(-3px)}
.cs-next img{width:120px;aspect-ratio:16/10;object-fit:cover;object-position:top;border-radius:10px;background:#fff}
.cs-next small{color:var(--text-dim);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700}.cs-next b{display:block;margin-top:4px;font-size:16px}
.cs-end{padding:96px 0}
/* lightbox */
.lb{position:fixed;inset:0;z-index:999;background:rgba(5,7,12,.92);display:none;align-items:center;justify-content:center;padding:40px;cursor:zoom-out}
.lb.on{display:flex}.lb img{max-width:100%;max-height:100%;border-radius:14px;box-shadow:0 40px 100px rgba(0,0,0,.7)}

@media(max-width:1100px){.pf-hero-grid{grid-template-columns:1fr}.pf-collage{height:420px;max-width:640px}.pf-card.wide{grid-template-columns:1fr}.pf-card.wide .pf-media{min-height:0;aspect-ratio:16/10}.pf-process{grid-template-columns:repeat(3,1fr)}.pf-brand-row{grid-template-columns:repeat(5,1fr)}.cs-meta{grid-template-columns:repeat(3,1fr)}.cs-meta div{border-bottom:1px solid var(--line)}.cs-two{grid-template-columns:1fr;gap:24px}.cs-steps{grid-template-columns:repeat(2,1fr)}.cs-features,.cs-results{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.pf-grid{grid-template-columns:1fr}.pf-hero{padding-top:120px}.pf-collage{height:300px}.pf-badge{display:none}.pf-process{grid-template-columns:repeat(2,1fr)}.pf-brand-row{grid-template-columns:repeat(3,1fr)}.pf-cta-box{padding:32px 24px}.pf-card.wide .pf-body{padding:26px}.pf-card.wide h3{font-size:26px}.cs-meta{grid-template-columns:repeat(2,1fr)}.cs-shots,.cs-features,.cs-results,.cs-final,.cs-next{grid-template-columns:1fr}.cs-showcase{padding:22px}.cs-steps{grid-template-columns:1fr}.pf-filters{overflow-x:auto;flex-wrap:nowrap;width:100%;padding-bottom:6px}.pf-filter{white-space:nowrap}}

/* Products we've built — logo marquee (light band so every logo shows in its real colours) */
.pf-brands .container{text-align:center}
.pf-mq{margin-top:26px;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.pf-mq-track{display:flex;width:max-content;animation:pfMarquee 40s linear infinite;will-change:transform}
.pf-mq:hover .pf-mq-track{animation-play-state:paused}
.pf-mq-group{display:flex;align-items:center;flex:none}
.pf-mq-pill{display:flex;align-items:center;flex:none;margin-right:72px;transition:transform .3s}
.pf-mq-pill img{height:44px;width:auto;max-width:230px;display:block;object-fit:contain}
.pf-mq-pill:hover{transform:scale(1.08)}
@keyframes pfMarquee{from{transform:translate3d(0,0,0)}to{transform:translate3d(-50%,0,0)}}
@media(max-width:720px){.pf-mq-pill{margin-right:44px}.pf-mq-pill img{height:34px}.pf-mq-track{animation-duration:30s}}
@media(prefers-reduced-motion:reduce){.pf-mq-track{animation:none}.pf-mq{overflow-x:auto}}