/* ==========================================================================
   Oksana Korol — portfolio v1
   Palette: light & airy neutrals + electric cobalt accent (variant B)
   Type: Playfair Display (display) + Inter (body), self-hosted variable fonts
   ========================================================================== */

@font-face{
  font-family:"Playfair Display";
  src:url("../assets/fonts/playfair.woff2") format("woff2");
  font-weight:400 800;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Playfair Display";
  src:url("../assets/fonts/playfair-italic.woff2") format("woff2");
  font-weight:400 700;
  font-style:italic;
  font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("../assets/fonts/inter.woff2") format("woff2");
  font-weight:400 700;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Inter";
  src:url("../assets/fonts/inter-italic.woff2") format("woff2");
  font-weight:400 600;
  font-style:italic;
  font-display:swap;
}

:root{
  --paper:#FAF8F4;
  --paper-deep:#F1EEE7;
  --ink:#1B1713;
  --ink-soft:#6E675E;
  --line:#E4DFD6;
  --accent:#2B3CF0;
  --accent-deep:#1F2ECC;
  --tint:#EAEDFE;
  --display:"Playfair Display", Georgia, serif;
  --body:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --ease-out:cubic-bezier(.22,1,.36,1);
  --gutter:clamp(1.25rem, 5vw, 4rem);
  --max:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
/* clip, not hidden: `overflow-x:hidden` on <body> alone leaves the root
   scrollable sideways, so the hero's glows and orbit SVG let the whole page
   drift off-centre. `clip` on both makes no scroll container (sticky survives). */
html{scroll-behavior:smooth;overflow-x:clip}
body{
  font-family:var(--body);
  font-weight:400;
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
::selection{background:var(--accent);color:#fff}
img{max-width:100%;display:block}

a:focus-visible,
button:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}

.skip-link{
  position:absolute;left:1rem;top:-3rem;z-index:100;
  background:var(--ink);color:var(--paper);
  padding:.6rem 1.2rem;border-radius:999px;
  font-size:.9rem;text-decoration:none;
  transition:top .2s;
}
.skip-link:focus{top:1rem}

.sr-only{
  position:absolute;width:1px;height:1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;
}

.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gutter)}

/* ---------- header ---------- */
.site-head{
  position:fixed;inset:0 0 auto;z-index:50;
  transition:background .3s, box-shadow .3s;
}
.site-head.scrolled{
  background:rgba(250,248,244,.85);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--line);
}
.site-head .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding-block:1.1rem;
}
.wordmark{
  font-family:var(--display);
  font-style:normal;
  font-weight:500;
  font-size:1.3rem;
  color:var(--ink);
  text-decoration:none;
  letter-spacing:-.01em;
}
.wordmark span{color:var(--accent)}
.site-nav{display:flex;align-items:center;gap:1.75rem}
.site-nav a{
  color:var(--ink);text-decoration:none;
  font-size:.92rem;font-weight:400;
  background:linear-gradient(var(--accent),var(--accent)) no-repeat 0 100%/0 1.5px;
  padding-bottom:2px;
  transition:background-size .35s var(--ease-out), color .25s;
}
.site-nav a:hover{background-size:100% 1.5px;color:var(--accent)}
@media(max-width:560px){
  .site-nav{gap:1.1rem}
  .site-nav a{font-size:.85rem}
}

/* ---------- hero ---------- */
.hero{
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  position:relative;
  padding-top:5rem;
}
.hero-glow{
  position:absolute;
  width:min(60vw, 760px);aspect-ratio:1;
  right:-18%;bottom:-32%;
  background:radial-gradient(closest-side, var(--tint), transparent 72%);
  pointer-events:none;
  animation:drift 16s ease-in-out infinite alternate;
}
.hero-glow--2{
  right:auto;left:-22%;top:-28%;bottom:auto;
  width:min(46vw, 560px);
  opacity:.7;
  animation-duration:21s;
  animation-direction:alternate-reverse;
}
@keyframes drift{
  from{transform:translate(0,0) scale(1)}
  to{transform:translate(-7%,-9%) scale(1.14)}
}

.hero-orbits{
  position:absolute;top:8%;right:-26%;
  height:116%;width:95%;
  pointer-events:none;
}
@media(prefers-reduced-motion:reduce){
  .hero-orbits .spark{display:none}
}

.hero h1{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(2.35rem, 6.4vw, 5.1rem);
  line-height:1.1;
  letter-spacing:-.01em;
  max-width:21ch;
  position:relative;
}
.hero h1 .w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em;margin-bottom:-.08em;transform:translateZ(0)}
.hero h1 .w > span{display:inline-block;transform:translateY(115%);opacity:0}
.hero.played h1 .w > span{
  animation:rise .95s var(--ease-out) forwards;
  animation-delay:calc(120ms + var(--i) * 65ms);
}
@keyframes rise{to{transform:translateY(0);opacity:1}}

.rotator{color:var(--accent);font-style:italic}
.rotator .word{display:inline-block}
.rotator .word.out{animation:word-out .35s var(--ease-out) forwards}
.rotator .word.in{animation:word-in .45s var(--ease-out)}
@keyframes word-out{to{transform:translateY(-75%);opacity:0}}
@keyframes word-in{from{transform:translateY(75%);opacity:0}to{transform:translateY(0);opacity:1}}

.hero-sub, .hero-cta, .hero-hint{
  opacity:0;transform:translateY(18px);
  transition:opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.hero.played .hero-sub{transition-delay:1.15s;opacity:1;transform:none}
.hero.played .hero-cta{transition-delay:1.3s;opacity:1;transform:none}
.hero.played .hero-hint{transition-delay:1.9s;opacity:1;transform:none}

.hero-sub{
  margin-top:1.8rem;
  font-size:clamp(1rem, 1.6vw, 1.2rem);
  color:var(--ink-soft);
  max-width:52ch;
}
.hero-sub strong{font-weight:500;color:var(--ink)}
.hero-cta{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap;margin-top:2.4rem}

.btn{
  font-family:var(--body);font-weight:500;font-size:1rem;
  background:var(--accent);color:#fff;
  border:none;border-radius:999px;
  padding:.95rem 1.9rem;
  text-decoration:none;cursor:pointer;
  display:inline-flex;align-items:center;gap:.55rem;
  transition:background .25s, box-shadow .35s var(--ease-out);
  will-change:transform;
}
.btn:hover{background:var(--accent-deep);box-shadow:0 14px 28px -14px var(--accent)}
.btn .arr{transition:transform .3s var(--ease-out)}
.btn:hover .arr{transform:translateX(4px)}

.link-plain{
  color:var(--ink);text-decoration:none;font-weight:400;font-size:1rem;
  background:linear-gradient(var(--accent),var(--accent)) no-repeat 0 100%/0 2px;
  padding-bottom:3px;
  transition:background-size .35s var(--ease-out), color .25s;
}
.link-plain:hover{background-size:100% 2px;color:var(--accent)}

.hero-hint{
  position:absolute;bottom:2.2rem;left:var(--gutter);
  font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);
  display:flex;align-items:center;gap:.7rem;
}
.hero-hint::after{
  content:"";width:1px;height:2.6rem;background:var(--ink-soft);
  animation:hint-pulse 2.2s ease-in-out infinite;
  transform-origin:top;
}
@keyframes hint-pulse{0%,100%{transform:scaleY(.35);opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ---------- shared section bits ---------- */
.section{padding-block:clamp(4.5rem, 11vh, 8.5rem)}
.kicker{
  font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-soft);font-weight:500;
  display:flex;align-items:center;gap:.8rem;
  margin-bottom:1.2rem;
}
.kicker::before{content:"";width:2.2rem;height:1px;background:var(--ink-soft)}
.section-title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.9rem, 4vw, 3.1rem);
  letter-spacing:-.01em;line-height:1.14;
  max-width:24ch;
}
.section-title em{font-style:italic;color:var(--accent)}

/* scroll reveals */
[data-reveal]{
  opacity:0;transform:translateY(26px);
  transition:opacity .85s var(--ease-out), transform .85s var(--ease-out);
  transition-delay:var(--d, 0ms);
}
[data-reveal].in{opacity:1;transform:none}

/* ---------- work: case-study grid ---------- */
.work-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:1.2rem;flex-wrap:wrap;
}

.work-grid{
  display:grid;
  grid-template-columns:minmax(0, 1fr);
  gap:clamp(1.8rem, 3.5vw, 2.8rem);
  margin-top:clamp(2rem, 5vh, 3.2rem);
  align-items:stretch;
}

.card{
  position:relative;
  display:flex;flex-direction:row;align-items:stretch;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  overflow:hidden;text-decoration:none;color:var(--ink);
  transition:transform .5s var(--ease-out), box-shadow .55s var(--ease-out),
             border-color .35s;
}
.card:hover,
.card:focus-visible{
  transform:translateY(-6px);
  border-color:transparent;
  box-shadow:
    0 24px 48px -24px rgba(43,60,240,.22),
    0 32px 64px -40px rgba(27,23,19,.30);
}
.card:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* odd rows: image left — even rows: image right */
.work-grid > .card:nth-child(even){flex-direction:row-reverse}

.card-media{
  position:relative;overflow:hidden;
  background:var(--paper-deep);
  flex:0 0 50%;
  aspect-ratio:16/10;
}
.card-media img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top left;
  transition:transform .7s var(--ease-out), filter .5s;
  filter:saturate(.94);
}
.card:hover .card-media img{transform:scale(1.045);filter:saturate(1)}
.card--soon .card-media img{filter:saturate(.8)}
.card-index{
  align-self:flex-start;
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:calc(1rem * var(--cs, 1));
  color:var(--ink-soft);letter-spacing:.04em;
  margin-bottom:calc(-.35rem * var(--cs, 1));
}
.card-body{
  /* --cs: content scale — trimmed by JS when a card holds more than fits */
  --cs:1;
  padding:calc(clamp(1.8rem, 3.4vw, 3.6rem) * var(--cs));
  display:flex;flex-direction:column;justify-content:center;
  gap:calc(1.15rem * var(--cs));
  flex:1 1 50%;min-width:0;
}
.card-body h3{
  font-family:var(--display);font-weight:500;
  font-size:calc(clamp(1.3rem, 1.9vw, 1.55rem) * var(--cs));
  line-height:1.18;letter-spacing:-.01em;
}
.card-body p{
  color:var(--ink-soft);font-size:calc(.94rem * var(--cs));max-width:56ch;
}

/* the card renders fully open — stats and CTA are always in view */
.card-reveal{display:grid;grid-template-rows:1fr}
.card-reveal-inner{
  display:flex;flex-direction:column;gap:calc(1.3rem * var(--cs));
  padding-top:calc(.6rem * var(--cs));
}

.tags{display:flex;gap:.5rem;flex-wrap:wrap}
.tag{
  white-space:nowrap;
  font-size:calc(.72rem * var(--cs, 1));font-weight:500;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:999px;
  padding:calc(.3rem * var(--cs, 1)) calc(.75rem * var(--cs, 1));color:var(--ink-soft);
  transition:border-color .35s, color .35s;
}
.card:hover .tag{border-color:var(--accent);color:var(--accent)}
.card-stats{
  display:flex;gap:calc(2.4rem * var(--cs, 1));flex-wrap:wrap;
  padding-top:calc(.4rem * var(--cs, 1));
}
.stat .num{
  font-family:var(--display);font-weight:500;
  font-size:calc(1.5rem * var(--cs, 1));
  color:var(--accent);letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat .cap{font-size:calc(.78rem * var(--cs, 1));color:var(--ink-soft);margin-top:.15rem}
.card-go{
  display:inline-flex;align-items:center;gap:.5rem;
  font-weight:500;font-size:calc(.95rem * var(--cs, 1));color:var(--accent);
  margin-top:calc(.3rem * var(--cs, 1));
}
.card-go .arr{transition:transform .3s var(--ease-out)}
.card:hover .card-go .arr{transform:translateX(5px)}
.card--soon{cursor:default}
.card--soon .card-go{color:var(--ink-soft)}
.card--soon:hover .card-media img{transform:none}
.card--soon:hover .tag{border-color:var(--line);color:var(--ink-soft)}

@media(min-width:861px){
  /* every row is exactly the same height */
  .card{height:clamp(420px, 38vw, 560px)}
  .card-index{font-size:calc(1.05rem * var(--cs))}
  .card-body h3{font-size:calc(clamp(1.55rem, 2.6vw, 2.2rem) * var(--cs))}
  .card-body p{font-size:calc(1.05rem * var(--cs));max-width:44ch}
  .stat .cap{font-size:calc(.85rem * var(--cs))}
}
@media(max-width:860px){
  .card,
  .work-grid > .card:nth-child(even){flex-direction:column}
  .card-media{flex:none}
  .card-body{justify-content:flex-start}
  .card-reveal{margin-top:auto}
}
@media(max-width:640px){
  .card-stats{gap:1.4rem}
  .card-body{padding:1.3rem 1.35rem 1.5rem}
}

/* ---------- what I'm good at ---------- */
.craft-head{max-width:60ch}
.craft-lede{
  margin-top:1.1rem;
  color:var(--ink-soft);
  font-size:clamp(1rem, 1.5vw, 1.1rem);
  max-width:56ch;
}

.craft-list{
  list-style:none;
  margin-top:clamp(2.4rem, 6vh, 3.6rem);
  border-top:1px solid var(--line);
}
.craft-item{
  display:grid;
  grid-template-columns:5.5rem minmax(0, 28ch) minmax(0, 1fr);
  gap:0 clamp(1.5rem, 4vw, 3.5rem);
  align-items:baseline;
  padding-block:clamp(1.6rem, 3.4vh, 2.4rem);
  border-bottom:1px solid var(--line);
}
.craft-num{
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:clamp(1.9rem, 3.2vw, 2.7rem);
  color:var(--accent);
  line-height:1;
  letter-spacing:-.02em;
}
.craft-item h3{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.2rem, 1.9vw, 1.55rem);
  line-height:1.2;letter-spacing:-.01em;
}
.craft-item p{
  color:var(--ink-soft);
  font-size:.96rem;
  max-width:52ch;
}

.craft-figures{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:clamp(1rem, 3vw, 2rem);
  margin-top:clamp(2.6rem, 6vh, 4rem);
}
.craft-figures .num{font-size:clamp(2.1rem, 4.4vw, 3.2rem)}
.craft-figures .cap{max-width:22ch;font-size:.82rem;line-height:1.45}

@media(max-width:900px){
  .craft-item{
    grid-template-columns:4.2rem minmax(0,1fr);
    gap:0 1.2rem;
  }
  .craft-item p{grid-column:2;margin-top:.5rem}
}
@media(max-width:860px){
  .craft-figures{grid-template-columns:repeat(2, minmax(0,1fr));gap:1.6rem 1.2rem}
}
@media(max-width:520px){
  .craft-item{grid-template-columns:1fr;gap:0}
  .craft-num{display:block;margin-bottom:.5rem;font-size:1.8rem}
  .craft-item p{grid-column:1}
}

/* ---------- footer / contact ---------- */
.footer{
  background:var(--ink);color:var(--paper);
  border-radius:32px 32px 0 0;
  padding-block:clamp(4.5rem,11vh,8rem) 2.5rem;
  position:relative;overflow:hidden;
}
.footer .kicker{color:#A69F94}
.footer .kicker::before{background:#A69F94}
.footer-title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(2rem,5vw,3.8rem);
  line-height:1.12;letter-spacing:-.01em;
  max-width:20ch;
}
.footer-title em{font-style:italic;color:#8B96F7}

.email-link{
  display:inline-block;
  margin-top:2.2rem;
  font-family:var(--display);font-weight:400;font-style:italic;
  font-size:clamp(1.25rem,3vw,2rem);
  color:var(--paper);text-decoration:none;
  border-bottom:1px solid rgba(250,248,244,.35);
  padding-bottom:.15em;
  transition:border-color .3s, color .3s;
}
.email-link:hover{border-color:#8B96F7;color:#8B96F7}
.email-link .ch{display:inline-block;transition:transform .3s var(--ease-out)}
.email-link:hover .ch{
  animation:wave .5s var(--ease-out);
  animation-delay:calc(var(--i) * 22ms);
}
@keyframes wave{
  0%,100%{transform:translateY(0)}
  40%{transform:translateY(-.28em)}
}

.footer-links{
  display:flex;gap:1.8rem;flex-wrap:wrap;
  margin-top:2.6rem;
}
.footer-links a{
  color:var(--paper);text-decoration:none;font-size:.95rem;font-weight:400;
  background:linear-gradient(#8B96F7,#8B96F7) no-repeat 0 100%/0 1.5px;
  padding-bottom:3px;
  transition:background-size .35s var(--ease-out), color .25s;
}
.footer-links a:hover{background-size:100% 1.5px;color:#8B96F7}

.footer-meta{
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  margin-top:clamp(3rem,7vh,5rem);
  padding-top:1.6rem;
  border-top:1px solid rgba(250,248,244,.14);
  font-size:.85rem;color:#A69F94;
}
.footer-meta .signoff em{font-family:var(--display);font-style:italic;color:var(--paper)}

/* ==========================================================================
   Case study pages
   ========================================================================== */

.page-enter{animation:page-in .6s var(--ease-out)}
@keyframes page-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
body.page-leave{opacity:0;transition:opacity .22s ease}

.cs-top{padding-top:8.5rem}
.cs-title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(2.2rem,5.5vw,4.2rem);
  line-height:1.1;letter-spacing:-.01em;
  max-width:18ch;
}
.cs-lede{margin-top:1.4rem;font-size:1.1rem;color:var(--ink-soft);max-width:56ch}
.cs-meta{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.6rem}

.cs-hero{
  margin-top:clamp(2.5rem,6vh,4rem);
  border-radius:24px;overflow:hidden;
  border:1px solid var(--line);
  background:var(--paper-deep);
}
.cs-hero img{
  width:100%;height:auto;
  transform:scale(1.05);opacity:0;
  transition:transform 1.4s var(--ease-out), opacity .9s ease;
}
.cs-hero.in img{transform:scale(1);opacity:1}

/* stat strip */
.cs-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;
  background:var(--tint);border-radius:24px;
  padding:clamp(1.6rem,3.5vw,2.6rem);
  margin-top:clamp(2rem,5vh,3rem);
}
.cs-stats .stat .num{font-size:clamp(1.8rem,3vw,2.6rem)}
@media(max-width:760px){.cs-stats{grid-template-columns:repeat(2,1fr);gap:1.4rem}}

/* prose sections */
.cs-section{padding-block:clamp(3rem,7vh,5.5rem)}
.cs-section .kicker{margin-bottom:1rem}
.cs-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.6fr);gap:clamp(1.5rem,4vw,4rem)}
@media(max-width:820px){.cs-grid{grid-template-columns:1fr}}
.cs-h2{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.6rem,3vw,2.3rem);
  line-height:1.15;letter-spacing:-.01em;
}
.cs-prose{font-size:1.05rem;color:var(--ink-soft);max-width:62ch}
.cs-prose > * + *{margin-top:1.1rem}
.cs-prose strong{font-weight:500;color:var(--ink)}

.contribs{list-style:none;display:flex;flex-direction:column}
.contribs li{
  padding:1.05rem 0;
  border-bottom:1px solid var(--line);
  display:flex;gap:1rem;align-items:baseline;
  font-size:1rem;color:var(--ink-soft);
}
.contribs li:first-child{border-top:1px solid var(--line)}
.contribs li::before{
  content:"→";color:var(--accent);
  font-weight:500;flex-shrink:0;
}
.contribs strong{font-weight:500;color:var(--ink)}

/* figures */
.cs-fig{margin-top:clamp(2rem,5vh,3rem)}
.cs-fig img{
  width:100%;height:auto;
  border-radius:20px;border:1px solid var(--line);
}
.cs-fig figcaption{
  margin-top:.9rem;font-size:.9rem;color:var(--ink-soft);
  display:flex;gap:.7rem;align-items:baseline;
}
.cs-fig figcaption::before{
  content:"";width:1.4rem;height:1px;background:var(--accent);
  flex-shrink:0;align-self:center;
}

/* scattered persona cards */
.persona-scatter{
  display:flex;justify-content:center;align-items:flex-start;
  gap:clamp(.5rem,1.5vw,1.25rem);
  margin-top:clamp(2.5rem,6vh,4rem);
  padding-bottom:clamp(1rem,3vh,2rem);
}
.persona-scatter figure{
  margin:0;flex:0 1 30%;max-width:340px;
}
.persona-scatter figure:nth-child(1){transform:translateY(14px)}
.persona-scatter figure:nth-child(2){transform:translateY(-10px);z-index:1}
.persona-scatter figure:nth-child(3){transform:translateY(20px)}
.persona-scatter figure:hover{z-index:2}
.persona-scatter img{
  width:100%;height:auto;display:block;
  border-radius:14px;border:1px solid var(--line);
  box-shadow:0 12px 34px rgba(27,23,19,.14),0 2px 8px rgba(27,23,19,.08);
  background:#fff;
  transition:transform .45s cubic-bezier(.22,.61,.36,1);
}
.persona-scatter figure:nth-child(1) img{transform:rotate(-3deg)}
.persona-scatter figure:nth-child(2) img{transform:rotate(1.2deg)}
.persona-scatter figure:nth-child(3) img{transform:rotate(2.6deg)}
.persona-scatter figure:hover img{transform:rotate(0) translateY(-4px) scale(1.03)}
.persona-scatter figcaption{
  margin-top:1rem;text-align:center;
  font-size:.85rem;color:var(--ink-soft);
}
.persona-scatter figcaption strong{
  display:block;font-weight:500;color:var(--ink);font-size:.95rem;
}
@media (max-width:640px){
  .persona-scatter{flex-direction:column;align-items:center;gap:1.75rem}
  .persona-scatter figure{flex:none;width:min(85%,320px)}
  .persona-scatter figure:nth-child(n){transform:none}
  .persona-scatter figure:nth-child(1) img{transform:rotate(-2deg)}
  .persona-scatter figure:nth-child(2) img{transform:rotate(1.5deg)}
  .persona-scatter figure:nth-child(3) img{transform:rotate(-1.5deg)}
}

/* mobile screen trio */
.phone-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(1rem,2.5vw,2rem);
  margin-top:clamp(2rem,5vh,3rem);
}
.phone-grid figure{margin:0}
.phone-grid img{
  width:100%;height:auto;
  border-radius:20px;border:1px solid var(--line);
}
.phone-grid figcaption{
  margin-top:.7rem;font-size:.85rem;color:var(--ink-soft);
}
@media (max-width:640px){
  .phone-grid{grid-template-columns:1fr;max-width:340px;margin-inline:auto}
}

/* before/after slider */
.ba-slider{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid var(--line);
  aspect-ratio:1410/1021;
  margin-top:clamp(2rem,5vh,3rem);
  background:var(--paper-deep);
  touch-action:pan-y;
}
.ba-slider img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;object-position:top left;
  pointer-events:none;
}
.ba-top{
  position:absolute;inset:0;
  clip-path:inset(0 calc(100% - var(--pos,50%)) 0 0);
}
.ba-handle{
  position:absolute;top:0;bottom:0;left:var(--pos,50%);
  width:2px;background:var(--accent);
  transform:translateX(-50%);
  pointer-events:none;
}
.ba-handle::after{
  content:"◂ ▸";
  position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);
  background:var(--accent);color:#fff;
  font-size:.72rem;letter-spacing:.05em;
  padding:.55rem .7rem;border-radius:999px;
  white-space:nowrap;
}
.ba-label{
  position:absolute;top:1rem;z-index:2;
  font-size:.72rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(27,23,19,.62);color:#fff;
  backdrop-filter:blur(6px);
  padding:.32rem .8rem;border-radius:999px;
  pointer-events:none;
}
.ba-label--before{left:1rem}
.ba-label--after{right:1rem}
.ba-range{
  position:absolute;inset:0;width:100%;height:100%;
  opacity:0;cursor:ew-resize;margin:0;
  -webkit-appearance:none;appearance:none;
}
.ba-range:focus-visible ~ .ba-handle{outline:2px solid var(--ink);outline-offset:2px}

/* improvement blocks */
.improve{margin-top:clamp(3rem,7vh,4.5rem)}
.improve-head{display:flex;gap:1.2rem;align-items:baseline;max-width:62ch}
.improve-num{
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:1.1rem;flex-shrink:0;
}
.improve-head h3{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.3rem,2.4vw,1.7rem);letter-spacing:-.01em;
}
.improve-head + p{
  margin-top:.7rem;color:var(--ink-soft);font-size:1rem;
  max-width:60ch;padding-left:2.3rem;
}
.improve img{
  width:100%;height:auto;margin-top:1.4rem;
  border-radius:20px;border:1px solid var(--line);
}
@media(max-width:640px){.improve-head + p{padding-left:0}}

/* results carousel (design improvements) */
.improve-carousel{
  margin-top:clamp(3rem,7vh,4.5rem);
  --slide-w:min(820px, 84vw);
  /* distance from the viewport edge to the .wrap content edge */
  --pad-left:max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter)));
  /* full-bleed: escape the .wrap container so slides run edge-to-edge
     and several are visible on screen instead of being cut at the container */
  margin-inline:calc(50% - 50vw);
}
.improve-carousel-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:1.2rem;flex-wrap:wrap;
  padding-bottom:1.4rem;border-bottom:1px solid var(--line);
  /* the heading stays aligned with the page content */
  margin-inline:var(--pad-left);
}
.improve-carousel-title{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.4rem,2.8vw,2.1rem);letter-spacing:-.01em;
}
.improve-track{
  display:flex;
  /* top-align so every image sits at the same vertical position — slides
     with longer/shorter captions no longer shift the images up and down */
  align-items:flex-start;
  gap:clamp(1.1rem,2.5vw,1.8rem);
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  /* first slide starts at the content edge; the trailing space lets
     the last slide snap to that same edge */
  padding-inline:var(--pad-left) max(var(--gutter), calc(100% - var(--slide-w) - var(--pad-left)));
  scroll-padding-inline-start:var(--pad-left);
  padding-block:1.8rem 1rem;
  scrollbar-width:none;
  cursor:grab;
  outline-offset:4px;
}
.improve-track::-webkit-scrollbar{display:none}
.improve-track.dragging{scroll-snap-type:none;cursor:grabbing}
.improve-track.dragging .improve-slide{pointer-events:none}
.improve-slide{
  flex:0 0 var(--slide-w);
  scroll-snap-align:start;scroll-snap-stop:always;
  display:flex;flex-direction:column;
  /* slides sit at full size and do not scale on hover */
}
.improve-media{
  border-radius:20px;border:1px solid var(--line);overflow:hidden;
  background:var(--paper-deep);
}
.improve-media{
  /* every slide's image occupies an identical box so all cards match */
  aspect-ratio:1600 / 1157;
}
.improve-media img{
  width:100%;height:100%;display:block;margin:0;
  object-fit:cover;object-position:top;
  border:0;border-radius:0;
}
.improve-slide .improve-head{margin-top:1.4rem}

/* outcome */
.outcome-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;
  margin-top:clamp(2rem,4vh,3rem);
}
@media(max-width:720px){.outcome-grid{grid-template-columns:1fr}}
.outcome-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:1.6rem 1.7rem;
}
.outcome-card h3{
  font-family:var(--display);font-weight:500;font-size:1.15rem;
  margin-bottom:.4rem;
}
.outcome-card h3::before{content:"✦ ";color:var(--accent)}
.outcome-card p{font-size:.95rem;color:var(--ink-soft)}

/* pull quote */
.cs-quote{
  margin-top:clamp(2rem,5vh,3rem);
  padding-left:clamp(1.2rem,2vw,1.8rem);
  border-left:2px solid var(--accent);
  max-width:54ch;
}
.cs-quote p{
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:clamp(1.3rem,2.6vw,1.8rem);line-height:1.3;color:var(--ink);
  max-width:none;
}
.cs-quote cite{
  display:block;margin-top:.9rem;
  font-family:var(--body);font-style:normal;
  font-size:.9rem;letter-spacing:.02em;color:var(--ink-soft);
}
.cs-quote cite::before{content:"— "}

/* insight → action → result flow */
.flow{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;
  margin-top:clamp(2rem,4vh,3rem);
}
@media(max-width:720px){.flow{grid-template-columns:1fr}}

/* ---------- case study: research plan (stats wired to concentric rings) ---------- */
.rp-grid{
  position:relative;
  display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.35fr);
  gap:clamp(2rem,5vw,5rem);align-items:center;
  margin-top:clamp(2.5rem,6vh,3.5rem);
}
.rp-stats{list-style:none;display:flex;flex-direction:column;gap:clamp(1.6rem,3.2vh,2.4rem)}
.rp-stats li{position:relative;padding-right:2.2rem}
.rp-stats li::after{
  /* tick bar — the anchor each leader line departs from */
  content:"";position:absolute;right:0;top:50%;
  width:2px;height:2.7rem;background:var(--ink);
  transform:translateY(-50%);
}
.rp-stats .num{
  display:block;
  font-family:var(--display);font-style:italic;font-weight:500;
  font-size:clamp(2rem,3.4vw,2.9rem);line-height:1;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.rp-stats .num small{font-size:.55em;font-style:inherit}
.rp-stats .lbl{display:block;margin-top:.4rem;color:var(--ink-soft);font-size:.95rem;max-width:28ch}
.rp-stats .lbl strong{color:var(--ink);font-weight:500}
.rp-viz svg{width:100%;height:auto;display:block}
/* nested filled discs, reference-style, in the site palette */
.rp-viz .band{
  stroke:var(--line);stroke-width:1;
  cursor:pointer;
  transform-box:fill-box;transform-origin:center;
  transform:scale(.72);opacity:0;
  transition:
    transform .9s var(--ease-out) var(--rpd,0s),
    opacity .7s ease var(--rpd,0s),
    fill .35s ease, filter .35s ease;
}
.rp-viz .band[data-ring="3"]{fill:#FFFFFF}
.rp-viz .band[data-ring="2"]{fill:#F4F4F4}
.rp-viz .band[data-ring="1"]{fill:#EAEAEA}
.rp-viz .band--core{fill:#E0E0E0;stroke:none}
.rp-viz .dot{
  fill:var(--ink-soft);
  stroke:var(--accent);stroke-opacity:0;stroke-width:0;
  pointer-events:none;
  transform-box:fill-box;transform-origin:center;
  transform:scale(0);
  transition:
    transform .5s cubic-bezier(.34,1.56,.64,1) var(--rpd,0s),
    fill .3s ease, stroke-width .3s ease, stroke-opacity .3s ease;
}
.rp-viz .dot.is-hot{fill:var(--accent);stroke-width:20;stroke-opacity:.22}
.rp-viz .ring-label{
  font-family:var(--body);font-size:14px;fill:var(--ink-soft);
  text-anchor:middle;pointer-events:none;
  opacity:0;
  transition:opacity .6s ease var(--rpd,0s), fill .3s ease;
}
.rp-viz .ring-label--core{fill:var(--ink);font-size:15px}
.rp-viz .ring-label.is-hot{fill:var(--accent)}
.rp-leaders{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.rp-leaders path{
  fill:none;stroke:var(--ink-soft);stroke-width:1.4;stroke-dasharray:2 5;
  opacity:0;
  transition:opacity .7s ease var(--rpd,0s), stroke .3s ease, stroke-width .3s ease;
}
.rp-leaders path.is-hot{stroke:var(--accent);stroke-width:1.8}
/* hover feedback on the stat side */
.rp-stats li{transition:opacity .7s var(--ease-out) var(--rpd,0s),transform .7s var(--ease-out) var(--rpd,0s);cursor:default}
.rp-stats li .num,.rp-stats li::after{transition:color .3s ease, background .3s ease}
.rp-stats li.is-hot::after{background:var(--accent)}

/* entrance — spring-style reveal once the section scrolls in (.in),
   bands scale up from the core outward, stats & dots follow. The per-element
   --rpd delay is cleared by JS after the run so hover stays instant. */
.rp-stats li{
  opacity:0;transform:translateX(-14px);
  transition:opacity .7s var(--ease-out) var(--rpd,0s),
             transform .7s var(--ease-out) var(--rpd,0s);
}
.rp-grid.in .rp-stats li,
.rp-grid.in .band,
.rp-grid.in .band--core,
.rp-grid.in .dot{opacity:1;transform:none}
.rp-grid.in .ring-label,
.rp-grid.in .rp-leaders path{opacity:1}
.rp-grid.in .rp-leaders path{opacity:.55}
/* hovering a band grows it slightly — no shadow */
.rp-grid.in .rp-viz .band.is-hot{transform:scale(1.04)}

@media(max-width:820px){
  .rp-grid{grid-template-columns:1fr}
  .rp-stats li{padding-right:0}
  .rp-stats li::after{display:none}
  .rp-leaders{display:none}
}
@media(prefers-reduced-motion:reduce){
  .rp-stats li,.rp-viz .band,.rp-viz .band--core,
  .rp-viz .ring-label,.rp-viz .dot{opacity:1;transform:none;transition:fill .3s ease}
  .rp-leaders path{opacity:.55}
}

/* ---------- case study: persona cards ---------- */
.persona-wall{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(400px,100%),1fr));
  gap:clamp(1.8rem,4vw,3rem);
  margin-top:clamp(2.2rem,5vh,3.2rem);
  padding-inline:.4rem; /* room for the tilt */
}
.persona-wall--solo{max-width:600px}
.persona-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:clamp(1.6rem,3vw,2.4rem);
  transform:rotate(-1.3deg);
  box-shadow:0 28px 56px -36px rgba(27,23,19,.30);
  transition:transform .55s var(--ease-out), box-shadow .55s var(--ease-out);
}
.persona-card:nth-child(even){transform:rotate(1.1deg)}
.persona-card:hover{
  transform:rotate(0) translateY(-5px);
  box-shadow:0 34px 64px -36px rgba(43,60,240,.30);
}
.p-head{display:flex;gap:1.1rem;align-items:center}
.p-ava{
  width:3.6rem;height:3.6rem;border-radius:50%;flex-shrink:0;
  background:var(--tint);color:var(--accent);
  display:grid;place-items:center;
  font-family:var(--display);font-style:italic;font-weight:500;
  font-size:1.6rem;
}
.p-head h3{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.35rem,2vw,1.6rem);line-height:1.15;
}
.p-role{font-size:.88rem;color:var(--ink-soft);margin-top:.15rem}
.p-quote{
  margin-top:1.3rem;
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:clamp(1.05rem,1.6vw,1.2rem);line-height:1.45;
  color:var(--ink);
}
.p-quote::before{content:"“ ";color:var(--accent)}
.p-quote::after{content:" ”";color:var(--accent)}
.p-about{margin-top:1rem;font-size:.94rem;color:var(--ink-soft)}
.p-meta{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.15rem}
.p-sec{margin-top:1.4rem}
.p-sec h4{
  font-size:.7rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink);
  display:flex;align-items:center;gap:.7rem;
}
.p-sec h4::after{content:"";height:1px;flex:1;background:var(--line)}
.p-sec ul{list-style:none;margin-top:.7rem;display:flex;flex-direction:column;gap:.45rem}
.p-sec li{font-size:.92rem;color:var(--ink-soft);display:flex;gap:.6rem}
.p-sec li::before{content:"—";color:var(--accent);flex-shrink:0}
/* pain meters — slider-style bars */
.p-pains{list-style:none;margin-top:.8rem;display:flex;flex-direction:column;gap:.85rem}
.p-pains li{font-size:.92rem;color:var(--ink-soft);display:block}
.p-pains li::before{margin-right:.6rem}
.p-pains .meter{
  display:block;
  position:relative;height:2px;border-radius:999px;
  background:var(--paper-deep);margin-top:.5rem;
  margin-left:1.25rem; /* aligns the track with the text after the dash */
}
.p-pains .meter i{
  position:absolute;inset:0 auto 0 0;width:var(--v,60%);
  background:var(--accent);border-radius:999px;
}
.p-pains .meter::after{
  content:"";position:absolute;top:50%;left:var(--v,60%);
  width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);
  transform:translate(-50%,-50%);
}
@media(max-width:640px){
  .persona-card,
  .persona-card:nth-child(even){transform:none}
}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:1.6rem 1.7rem;
}
.flow-num{
  display:block;margin-bottom:.6rem;
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:1.05rem;color:var(--accent);
}
.flow-step h3{
  font-family:var(--display);font-weight:500;font-size:1.15rem;
  margin-bottom:.4rem;
}
.flow-step p{font-size:.95rem;color:var(--ink-soft)}

/* next project */
.next-cta{
  display:block;text-decoration:none;
  background:var(--ink);color:var(--paper);
  border-radius:28px;
  padding:clamp(2.5rem,6vw,4.5rem);
  margin-block:clamp(3rem,7vh,5rem);
  position:relative;overflow:hidden;
  transition:transform .5s var(--ease-out), box-shadow .5s var(--ease-out);
}
.next-cta:hover{transform:translateY(-5px);box-shadow:0 32px 64px -32px rgba(27,23,19,.5)}
.next-cta .kicker{color:#A69F94;margin-bottom:.8rem}
.next-cta .kicker::before{background:#A69F94}
.next-cta h2{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.01em;line-height:1.14;
  max-width:20ch;
}
.next-cta h2 em{font-style:italic;color:#8B96F7}
.next-cta .card-go{color:#8B96F7;margin-top:1.4rem;font-size:1rem}
.next-cta:hover .card-go .arr{transform:translateX(5px)}

.mini-foot{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;
  padding-block:0 2.5rem;
  font-size:.88rem;color:var(--ink-soft);
}
.mini-foot .links{display:flex;gap:1.5rem}
.mini-foot a{
  color:var(--ink);text-decoration:none;
  background:linear-gradient(var(--accent),var(--accent)) no-repeat 0 100%/0 1.5px;
  padding-bottom:2px;
  transition:background-size .35s var(--ease-out), color .25s;
}
.mini-foot a:hover{background-size:100% 1.5px;color:var(--accent)}

/* ---------- cursor follower (pointer devices) ---------- */
.cursor-dot{
  position:fixed;top:0;left:0;z-index:200;
  width:0;height:0;
  pointer-events:none;
  opacity:0;
  transform:translate3d(-100px,-100px,0);
  transition:opacity .3s var(--ease-out);
  will-change:transform;
}
.cursor-dot.is-visible{opacity:1}
/* solid steady core */
.cursor-dot::before{
  content:"";position:absolute;left:0;top:0;
  width:9px;height:9px;margin:-4.5px 0 0 -4.5px;
  border-radius:50%;background:var(--accent);
  transition:width .3s var(--ease-out), height .3s var(--ease-out),
             margin .3s var(--ease-out);
}
/* transparent halo — this one breathes bigger/smaller */
.cursor-dot::after{
  content:"";position:absolute;left:0;top:0;
  width:30px;height:30px;margin:-15px 0 0 -15px;
  border-radius:50%;
  background:radial-gradient(circle,
    color-mix(in srgb, var(--accent) 26%, transparent) 0%,
    transparent 68%);
  animation:cursor-glow 1.7s var(--ease-out) infinite;
}
.cursor-dot.is-active::before{
  width:15px;height:15px;margin:-7.5px 0 0 -7.5px;
}
@keyframes cursor-glow{
  0%,100%{transform:scale(.6);opacity:.5}
  50%{transform:scale(1.25);opacity:.9}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    transition-delay:0ms !important;
  }
  .hero h1 .w > span{transform:none;opacity:1}
  .hero-sub,.hero-cta,.hero-hint{opacity:1;transform:none}
  [data-reveal]{opacity:1;transform:none}
  .hero-glow{animation:none}
  .card{transform:none;opacity:1}
}

/* ============ customer journey map ============ */
.cjm{margin-top:clamp(2rem,5vh,3rem)}
.cjm-scroll{
  overflow-x:auto;
  border:1px solid var(--line);border-radius:22px;
  background:#fff;
  scrollbar-width:thin;
}
.cjm-inner{min-width:960px;padding:clamp(1.4rem,3vw,2.1rem) clamp(1.4rem,3vw,2.1rem) 0}
.cjm-curve{display:block;width:100%;height:auto}
.cjm-row{display:grid;grid-template-columns:repeat(7,1fr)}
.cjm-stage{
  padding:1.1rem .9rem 1.4rem;
  border-left:1px solid var(--line);
}
.cjm-stage:first-child{border-left:0}
.cjm-num{font-size:.72rem;font-weight:600;letter-spacing:.14em;color:var(--accent)}
.cjm-title{
  font-family:var(--display);font-weight:500;
  font-size:1.02rem;line-height:1.15;margin-top:.2rem;color:var(--ink);
}
.cjm-mood{font-size:.85rem;font-weight:500;color:var(--ink);margin-top:.55rem}
.cjm-doing{font-size:.82rem;color:var(--ink-soft);margin-top:.7rem;line-height:1.5}
.cjm-fix{margin-top:.85rem;border-top:1px dashed var(--line);padding-top:.75rem}
.cjm-pain,.cjm-built{font-size:.8rem;line-height:1.45}
.cjm-pain{color:var(--ink-soft)}
.cjm-pain::before{content:"Pain — ";font-weight:600;color:#b0553f}
.cjm-built{color:var(--ink);margin-top:.5rem}
.cjm-built::before{content:"Built — ";font-weight:600;color:var(--accent)}
.cjm-hint{font-size:.8rem;color:var(--ink-soft);margin:.9rem .3rem 0}

/* ---------- "All works" reads as a back action on case-study pages ---------- */
.site-nav .nav-arrow{display:inline-flex;align-items:center;gap:.42rem}
.site-nav .nav-arrow svg{
  width:14px;height:14px;
  fill:none;stroke:currentColor;stroke-width:1.9;
  stroke-linecap:round;stroke-linejoin:round;
  transition:transform .3s var(--ease-out);
}
.site-nav .nav-arrow:hover svg{transform:translateX(-3px)}
@media(prefers-reduced-motion:reduce){
  .site-nav .nav-arrow:hover svg{transform:none}
}

/* ---------- case-study floating controls: back + back-to-top ---------- */
.cs-controls{
  position:fixed;z-index:60;
  right:var(--gutter);bottom:clamp(1.25rem,4vh,2.4rem);
  display:flex;flex-direction:column;gap:.6rem;
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .35s var(--ease-out), transform .35s var(--ease-out);
}
.cs-controls.in{opacity:1;transform:none;pointer-events:auto}
.cs-fab{
  width:48px;height:48px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(250,248,244,.9);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);
  color:var(--ink);text-decoration:none;cursor:pointer;
  box-shadow:0 10px 24px -14px rgba(27,23,19,.45);
  transition:background .25s, color .25s, border-color .25s, transform .3s var(--ease-out);
}
.cs-fab:hover{
  background:var(--accent);border-color:var(--accent);color:#fff;
  transform:translateY(-3px);
}
.cs-fab svg{
  width:18px;height:18px;
  fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;
}
@media(max-width:560px){
  .cs-fab{width:44px;height:44px}
  .cs-fab svg{width:16px;height:16px}
}
@media(prefers-reduced-motion:reduce){
  .cs-controls{transform:none;transition:opacity .2s linear}
  .cs-fab:hover{transform:none}
}
