/* Case study: Vitiligine */

:root{
  --g: #15908D;
  --g-b: rgba(255,255,255,.16);
  --g-s: 0 18px 40px rgba(2,8,23,.18);
  --acc-1: #8B5CF6;
  --acc-2: #F472B6;
  --ink: #0f172a;
  --muted: rgba(15,23,42,.72);
  --radius: 18px;
  --max: 1320px;
  --padX: 18px;
  --padY: 10px;
  --gap: 18px;
  --r: 22px;
}

html, body{ margin:0; padding:0; background:#fff; }

.csPage, .csPage *{
  font-family: ui-sans-serif, system-ui, -apple-system, "SF Pro Display", "SF Pro Text",
               "Inter", "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing:border-box;
}

/* Header (same as other case pages) */
.aofHdrWrap{
  position: fixed;
  top: 14px;
  left: 0;
  right: 0;
  z-index: 9999;
  pointer-events: none;
}
.aofHdr{
  pointer-events: auto;
  width: min(var(--max), calc(100% - 28px));
  margin: 0 auto;
  background: var(--g);
  border: 1px solid var(--g-b);
  border-radius: var(--radius);
  box-shadow: var(--g-s);
  overflow: clip;
  position: relative;
}
.aofHdr::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 140px at 18% 0%, rgba(255,255,255,.14), transparent 60%),
    radial-gradient(900px 160px at 82% 0%, rgba(0,0,0,.10), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.07), transparent 55%);
  opacity:.95;
}
.aofHdrInner{
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding: var(--padY) var(--padX);
}
.aofLogo{
  display:flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
  color: rgba(255,255,255,.97);
  min-width: 180px;
}
.aofLogoMark{
  width: 46px;
  height: 46px;
  border-radius: 14px;
  padding: 2px;
  background: linear-gradient(135deg, #15908D, #0F766E);
  box-shadow: 0 14px 30px rgba(21,144,141,.16);
  flex: 0 0 auto;
}
.aofLogoMark > .aofLogoMark__in{
  width: 100%;
  height: 100%;
  border-radius: 12px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.aofLogoMark img{
  width: 32px;
  height: 32px;
  object-fit: contain;
  display:block;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,.20));
}
.aofLogoText{ display:flex; flex-direction:column; line-height:1.05; }
.aofLogoText strong{
  font-size: 14px;
  letter-spacing:.12em;
  text-transform: uppercase;
  font-weight: 850;
}
.aofLogoText span{
  font-size: 12.5px;
  color: rgba(255,255,255,.68);
  letter-spacing:.01em;
  font-weight: 650;
}
.aofNav{
  display:flex;
  align-items:center;
  gap: 6px;
  padding: 6px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
}
.aofNav a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 10.5px 13px;
  border-radius: 12px;
  font-size: 14px;
  text-decoration:none;
  color: rgba(255,255,255,.84);
  transition: transform .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
  font-weight: 750;
  letter-spacing: .01em;
}
.aofNav a:hover{ background: rgba(255,255,255,.14); color: rgba(255,255,255,.97); transform: translateY(-1px); }
.aofRight{ display:flex; align-items:center; gap: 10px; }
.aofBtn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.22);
  background: linear-gradient(135deg, var(--acc-1), var(--acc-2));
  color: rgba(255,255,255,.98);
  text-decoration:none;
  font-weight: 900;
  letter-spacing: .01em;
  box-shadow: 0 16px 30px rgba(139,92,246,.14);
  user-select:none;
}
.aofBtn svg{ width:18px; height:18px; fill: rgba(255,255,255,.96); }
.aofBurger{
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  display:none;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.aofBurger span{
  width: 18px; height: 2px;
  background: rgba(255,255,255,.92);
  position: relative;
  border-radius: 2px;
}
.aofBurger span::before,
.aofBurger span::after{
  content:"";
  position:absolute;
  left:0;
  width: 18px; height:2px;
  background: rgba(255,255,255,.92);
  border-radius:2px;
  transition: transform .2s ease, top .2s ease;
}
.aofBurger span::before{ top: -6px; }
.aofBurger span::after{ top: 6px; }
.aofDrawer{
  display:none;
  position: relative;
  padding: 0 12px 12px;
}
.aofDrawerInner{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  overflow: hidden;
}
.aofDrawerInner a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 14px;
  text-decoration:none;
  color: rgba(255,255,255,.97);
  font-size: 14.5px;
  border-top: 1px solid rgba(255,255,255,.12);
  font-weight: 800;
  letter-spacing: .01em;
}
.aofDrawerInner a:first-child{ border-top: 0; }
.aofDrawerInner a small{ color: rgba(255,255,255,.72); font-size: 12.5px; font-weight: 700; }
.aofHdr.is-open .aofDrawer{ display:block; }
.aofHdr.is-open .aofBurger span{ background: transparent; }
.aofHdr.is-open .aofBurger span::before{ top:0; transform: rotate(45deg); }
.aofHdr.is-open .aofBurger span::after{ top:0; transform: rotate(-45deg); }
@media (max-width: 980px){
  .aofNav{ display:none; }
  .aofBurger{ display:flex; }
  .aofBtn{ display:none; }
}
.aofHdrSpacer{ height: 96px; }

.hl{
  background: linear-gradient(135deg, var(--acc-1), var(--acc-2));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}

.csWrap{ width: min(var(--max), calc(100% - 28px)); margin:0 auto; }

/* HERO */
.csHero{ padding: 46px 0 56px; background:#fff; }
.csHero__grid{
  display:grid;
  grid-template-columns: 1.12fr .88fr;
  gap: clamp(18px, 3vw, 44px);
  align-items: center;
}
.csKicker{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(15,23,42,.03);
  color: rgba(15,23,42,.78);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .02em;
}
.csKicker__dot{
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--acc-1), var(--acc-2));
  box-shadow: 0 8px 18px rgba(139,92,246,.18);
}
.csH1{
  margin: 14px 0 10px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 950;
}
.csSub{
  margin: 0;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.55;
  font-weight: 750;
  max-width: 64ch;
}
.csHeroRow{
  margin-top: 18px;
  display:flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.csBtn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.10);
  text-decoration:none;
  font-weight: 900;
  letter-spacing: .01em;
  color: rgba(255,255,255,.98);
  background: linear-gradient(135deg, var(--acc-1), var(--acc-2));
  box-shadow: 0 16px 30px rgba(139,92,246,.14);
  user-select:none;
  transition: transform .18s ease, box-shadow .18s ease;
}
.csBtn:hover{ transform: translateY(-1px); box-shadow: 0 22px 44px rgba(139,92,246,.18); }
.csBtn svg{ width:18px; height:18px; fill: rgba(255,255,255,.96); }
.csTel{
  color: rgba(15,23,42,.78);
  text-decoration:none;
  font-weight: 900;
  letter-spacing: .01em;
}
.csTel b{ color: rgba(15,23,42,.92); }
.csFacts{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.csFact{
  border-radius: 18px;
  border: 1px solid rgba(15,23,42,.10);
  background: rgba(15,23,42,.03);
  padding: 12px 12px;
}
.csFact b{ display:block; color: rgba(15,23,42,.92); font-weight: 950; font-size: 14px; }
.csFact small{ display:block; margin-top: 2px; color: rgba(15,23,42,.66); font-weight: 800; font-size: 12.5px; }

.csHeroCard{
  border-radius: 24px;
  border: 1px solid rgba(15,23,42,.10);
  background: #fff;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(2,8,23,.10);
  position: relative;
}
.csHeroCard img{
  width:100%;
  height: 360px;
  object-fit: cover;
  display:block;
}
.csHeroCard__cap{
  padding: 14px 14px 16px;
  color: rgba(15,23,42,.70);
  font-weight: 800;
  font-size: 13.5px;
  line-height: 1.35;
  background:
    radial-gradient(500px 260px at 20% 0%, rgba(139,92,246,.10), transparent 62%),
    radial-gradient(500px 260px at 85% 40%, rgba(244,114,182,.10), transparent 60%),
    #fff;
}

/* Sections */
.csSec{ padding: 74px 0; }
.csSec--soft{ background: rgba(15,23,42,.02); }
.csHead{ max-width: 72ch; margin: 0 auto 22px; text-align:center; }
.csTitle{
  margin: 10px 0 10px;
  font-size: clamp(28px, 3vw, 42px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 950;
}
.csP{
  margin: 0;
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.6;
  font-weight: 750;
}

.csGrid2{
  margin-top: 22px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.csCard{
  border-radius: var(--r);
  border: 1px solid rgba(15,23,42,.10);
  background: #fff;
  box-shadow: 0 18px 40px rgba(2,8,23,.06);
  overflow:hidden;
}
.csCard__in{ padding: 18px 18px; }
.csCard h3{
  margin: 0 0 10px 0;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: rgba(15,23,42,.92);
  font-weight: 950;
}
.csList{
  margin: 0;
  padding-left: 18px;
  color: rgba(15,23,42,.78);
  font-weight: 750;
  line-height: 1.55;
}
.csList li{ margin: 8px 0; }

/* Timeline */
.csTimeline{
  margin-top: 18px;
  display:grid;
  gap: 12px;
  max-width: 980px;
  margin-left:auto;
  margin-right:auto;
}
.csStep{
  border-radius: var(--r);
  border: 1px solid rgba(15,23,42,.10);
  background: #fff;
  overflow:hidden;
  box-shadow: 0 18px 40px rgba(2,8,23,.06);
}
.csStep__in{
  padding: 16px 18px;
  display:grid;
  gap: 8px;
}
.csStep__top{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 12px;
}
.csStep__date{
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12.5px;
  color: rgba(15,23,42,.72);
}
.csStep__h{
  margin: 0;
  font-size: 18px;
  font-weight: 950;
  color: rgba(15,23,42,.92);
}
.csStep__p{
  margin: 0;
  color: rgba(15,23,42,.72);
  font-size: 15.8px;
  line-height: 1.6;
  font-weight: 750;
}

.csQuote{
  margin-top: 16px;
  border-radius: var(--r);
  border: 1px solid rgba(139,92,246,.20);
  background: linear-gradient(135deg, rgba(139,92,246,.08), rgba(244,114,182,.08));
  padding: 18px 18px;
  max-width: 980px;
  margin-left:auto;
  margin-right:auto;
}
.csQuote p{
  margin: 0;
  color: rgba(15,23,42,.82);
  font-weight: 850;
  line-height: 1.55;
}
.csQuote small{
  display:block;
  margin-top: 8px;
  color: rgba(15,23,42,.62);
  font-weight: 800;
}

/* CTA */
.csCta{ padding: 84px 0; }
.csCtaBox{
  width: min(1000px, calc(100% - 28px));
  margin: 0 auto;
  border-radius: 26px;
  border: 1px solid rgba(15,23,42,.10);
  background:
    radial-gradient(700px 340px at 15% 25%, rgba(139,92,246,.14), transparent 62%),
    radial-gradient(720px 360px at 85% 35%, rgba(244,114,182,.14), transparent 60%),
    rgba(15,23,42,.02);
  overflow:hidden;
  box-shadow: 0 26px 70px rgba(2,8,23,.10);
}
.csCtaBox__in{
  padding: 22px 22px;
  display:flex;
  gap: 16px;
  align-items:center;
  justify-content:space-between;
  flex-wrap: wrap;
}
.csCtaTitle{
  margin: 0 0 8px 0;
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 950;
  color: rgba(15,23,42,.94);
}
.csCtaSub{
  margin: 0;
  color: rgba(15,23,42,.72);
  font-weight: 800;
  line-height: 1.55;
  max-width: 70ch;
}
.csNote{
  margin: 10px 0 0;
  color: rgba(15,23,42,.60);
  font-weight: 750;
  font-size: 13.5px;
  line-height: 1.45;
}

@media (max-width: 980px){
  .csHero__grid{ grid-template-columns: 1fr; }
  .csHeroCard img{ height: 320px; }
  .csFacts{ grid-template-columns: 1fr; }
  .csGrid2{ grid-template-columns: 1fr; }
  .csHead{ text-align:left; }
}