/* ==========================================================================
   Страница кейса. Тёмная шапка с мокапом, белое тело, тёмный финал.
   ========================================================================== */

body.case-page{font-size:18px;line-height:1.5}

/* -------------------------------------------------------------- шапка */
.case-hero{
  position:relative;
  overflow:hidden;
  padding:clamp(110px,12vw,160px) 0 0;
  background:
    radial-gradient(50% 60% at 70% 60%,color-mix(in srgb,var(--glow) 30%,transparent),transparent 70%),
    var(--dark);
  color:#fff;
}
.case-back{
  display:inline-flex;
  gap:8px;
  font-size:15px;
  line-height:1;
  font-weight:500;
  color:#8A8A8A;
  transition:color .18s ease;
}
.case-back:hover{color:#fff}
.case-hero__grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(260px,1fr);
  gap:40px 64px;
  align-items:end;
  margin-top:clamp(28px,3.4vw,48px);
}
.case-eyebrow{
  font-size:13px;
  line-height:1.4;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:#8A8A8A;
}
.case-title{
  margin-top:14px;
  font-size:clamp(44px,7.4vw,110px);
  line-height:.95;
  font-weight:800;
  letter-spacing:-0.05em;
}
.case-lead{
  margin-top:clamp(18px,2vw,28px);
  max-width:620px;
  font-size:clamp(18px,1.7vw,24px);
  line-height:1.4;
  letter-spacing:-0.02em;
  color:#C8C8C8;
}
.case-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(24px,2.6vw,36px)}
.case-cta .btn{width:auto;height:58px;padding:0 28px;font-size:18px}
.btn--ghost{color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn--ghost:hover{border-color:#fff}

.case-facts{margin:0;display:grid;gap:0}
.case-facts div{
  display:flex;
  justify-content:space-between;
  gap:20px;
  padding:13px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
  font-size:15px;
  line-height:1.35;
}
.case-facts dt{color:#7A7A7A}
.case-facts dd{margin:0;text-align:right;font-weight:600}

.case-hero__stage{
  position:relative;
  aspect-ratio:16/8.2;
  margin-top:clamp(40px,5vw,72px);
}
.case-hero__stage .mock__browser{left:4%;top:4%;width:76%;transform:rotateY(5deg) rotateX(2deg)}
.case-hero__stage .mock__phone{right:4%;bottom:-6%;width:17%}

/* ------------------------------------------------------------- секции */
.case-sec{padding:clamp(56px,7vw,110px) 0 0}
.case-row{
  display:grid;
  grid-template-columns:minmax(160px,1fr) minmax(0,2.4fr);
  gap:16px 48px;
  padding-top:clamp(28px,3vw,40px);
  border-top:1px solid #E4E4E4;
}
.case-row + .case-row{margin-top:clamp(40px,4.4vw,64px)}
.case-label{
  font-size:13px;
  line-height:1.6;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gray);
}
.case-h{
  font-size:clamp(28px,3.4vw,48px);
  line-height:1.08;
  font-weight:700;
  letter-spacing:-0.04em;
}
.case-text{
  margin-top:16px;
  max-width:760px;
  font-size:clamp(16px,1.35vw,20px);
  line-height:1.55;
  letter-spacing:-0.02em;
  color:#3A3A3A;
}
.case-text + .case-text{margin-top:12px}

/* подход — шаги карточками */
.case-steps{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:14px;
  margin:24px 0 0;
  padding:0;
  list-style:none;
  counter-reset:st;
}
.case-steps li{
  counter-increment:st;
  padding:22px 22px 24px;
  border-radius:16px;
  background:#F4F4F2;
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.02em;
  color:#444;
}
.case-steps li::before{
  content:counter(st,decimal-leading-zero);
  display:block;
  margin-bottom:12px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  color:var(--gray);
}
.case-steps b{display:block;margin-bottom:6px;font-size:19px;color:#111;letter-spacing:-0.03em}

/* было / стало */
.case-ba{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
  margin-top:24px;
}
.case-ba__col{
  padding:clamp(22px,2.4vw,34px);
  border-radius:18px;
  background:#F4F4F2;
}
.case-ba__col--after{background:var(--dark);color:#fff}
.case-ba__tag{
  display:inline-block;
  padding:5px 12px;
  border-radius:99px;
  background:#E2E2DE;
  font-size:12px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.case-ba__col--after .case-ba__tag{background:var(--glow);color:#fff}
.case-ba ul{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.case-ba li{
  position:relative;
  padding-left:22px;
  font-size:16px;
  line-height:1.5;
  letter-spacing:-0.02em;
}
.case-ba li::before{content:'—';position:absolute;left:0;color:var(--gray)}
.case-ba__col--after li::before{content:'✓';color:var(--glow)}

/* скриншоты: окно браузера, внутри прокручивается весь сайт */
.case-scroll{
  margin-top:28px;
  border-radius:14px;
  overflow:hidden;
  background:#0E0E0E;
  box-shadow:0 30px 70px rgba(0,0,0,.18);
}
.case-scroll .mock__bar{height:38px}
.case-scroll__view{
  height:min(78vh,760px);
  overflow-y:auto;
  overscroll-behavior:contain;
}
.case-scroll__view img{width:100%;height:auto}
.case-hint{margin-top:12px;font-size:14px;color:var(--gray)}
.case-gallery{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
  margin-top:14px;
}
.case-gallery img{width:100%;height:auto;border-radius:14px;background:#eee}
.case-gallery .is-wide{grid-column:1/-1}

/* итог — список крупно */
.case-result{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:0}
.case-result li{
  padding:16px 0;
  border-bottom:1px solid #E4E4E4;
  font-size:clamp(17px,1.5vw,22px);
  line-height:1.4;
  letter-spacing:-0.02em;
}

/* --------------------------------------------------------------- финал */
.case-end{
  margin-top:clamp(64px,8vw,120px);
  padding:clamp(56px,7vw,100px) 0 clamp(32px,4vw,56px);
  background:var(--dark-salfetka);
  color:#fff;
}
.case-end__link{
  display:block;
  font-size:clamp(34px,6vw,88px);
  line-height:1;
  font-weight:800;
  letter-spacing:-0.05em;
  word-break:break-word;
  transition:opacity .2s ease;
}
.case-end__link:hover{opacity:.7}
.case-end__note{margin-top:14px;font-size:16px;color:#8A8A8A}
.case-next{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  margin-top:clamp(48px,6vw,90px);
  padding:24px 0;
  border-top:1px solid rgba(255,255,255,.14);
  border-bottom:1px solid rgba(255,255,255,.14);
}
.case-next span{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:#7A7A7A}
.case-next b{font-size:clamp(22px,2.6vw,38px);letter-spacing:-0.04em;transition:transform .3s ease}
.case-next:hover b{transform:translateX(-8px)}
.case-foot{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:16px;
  margin-top:28px;
  font-size:12px;
  line-height:1.4;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#6A6A6A;
}
.case-foot nav{display:flex;flex-wrap:wrap;gap:clamp(12px,1.8vw,26px)}
.case-foot a{color:#8A8A8A;transition:color .18s ease}
.case-foot a:hover{color:#fff}

@media (max-width:959px){
  .case-hero__grid{grid-template-columns:minmax(0,1fr)}
  .case-row{grid-template-columns:minmax(0,1fr)}
  .case-ba{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:599px){
  .case-hero__stage{aspect-ratio:16/11}
  .case-hero__stage .mock__browser{width:86%;left:2%}
  .case-hero__stage .mock__phone{width:24%;bottom:2%}
  .case-cta .btn{width:100%;max-width:none;height:54px}
  .case-gallery{grid-template-columns:minmax(0,1fr)}
  .case-scroll__view{height:62vh}
}

/* ---------------------------------------- подход: этапы мышления по шагам */
/* подход — на всю ширину, все этапы в один ряд */
.case-row--wide{grid-template-columns:minmax(0,1fr)}
.case-row--wide .case-text{max-width:900px}
.case-stages{
  display:grid;
  grid-template-columns:repeat(var(--n,4),minmax(0,1fr));
  gap:14px;
  margin:24px 0 0;
  padding:0;
  list-style:none;
}
.case-stage{
  display:flex;
  flex-direction:column;
  padding:22px 20px 24px;
  border-radius:16px;
  background:#F4F4F2;
  border-top:3px solid var(--glow);
}
.case-stage__num{
  font-size:13px;
  line-height:1;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--gray);
}
.case-stage__title{
  margin-top:12px;
  font-size:19px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:-0.03em;
  color:#111;
}
.case-stage__why{
  margin-top:8px;
  font-size:14px;
  line-height:1.45;
  letter-spacing:-0.01em;
  color:#6A6A6A;
}
.case-stage ul{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:7px}
.case-stage li{
  position:relative;
  padding-left:14px;
  font-size:15px;
  line-height:1.4;
  letter-spacing:-0.02em;
  color:#333;
}
.case-stage li::before{
  content:'';
  position:absolute;
  left:0;top:.6em;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--glow);
}

/* итог подхода — серая плашка, коротко перечислением */
.case-sum{
  margin-top:14px;
  padding:clamp(20px,2.2vw,30px);
  border-radius:16px;
  background:#E9E9E6;
}
.case-sum__title{
  font-size:13px;
  line-height:1.4;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#555;
}
.case-sum ol{
  margin:12px 0 0;
  padding:0;
  list-style:none;
  counter-reset:sm;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:10px 24px;
}
.case-sum li{
  counter-increment:sm;
  display:flex;
  gap:10px;
  font-size:16px;
  line-height:1.4;
  letter-spacing:-0.02em;
  color:#222;
}
.case-sum li::before{
  content:counter(sm);
  flex:none;
  font-weight:700;
  color:var(--glow);
}

/* итог для клиента: подзаголовок с главным выводом */
.case-sub{
  margin-top:16px;
  max-width:780px;
  font-size:clamp(19px,1.8vw,26px);
  line-height:1.35;
  font-weight:600;
  letter-spacing:-0.03em;
  color:#111;
}
.case-note{margin-top:14px;font-size:13px;line-height:1.5;color:var(--gray)}


@media (max-width:1099px){
  .case-stages{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
}