/* ---------- Case page shared styles ---------- */

.case-hero {
  padding-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.case-hero__eyebrow {
  font-size: 14px;
  color: var(--color-text-caption);
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: .02em;
}

.case-hero__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 44px;
  letter-spacing: -0.02em;
  margin: 0;
}

.case-hero__lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-caption);
  max-width: 760px;
  margin: 0;
}

.case-hero__row {
  display: flex;
  align-items: center;
  gap: 48px;
}

.case-hero__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-hero__media {
  flex-shrink: 0;
  width: 420px;
}
.case-hero__media img {
  width: 100%;
  height: auto;
  display: block;
}

.case-hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 4px;
}

.case-hero__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.case-hero__link:hover { color: var(--color-accent); }
.case-hero__link .icon-arrow { color: inherit; }

.case-meta {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 8px;
  background: var(--color-accent);
}

.case-meta__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
  display: flex;
  flex-wrap: wrap;
}

.case-meta__item {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 32px;
  border-left: 1px solid rgba(255, 255, 255, .15);
}
.case-meta__item:first-child { border-left: none; padding-left: 0; }

.case-meta__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-white);
  flex-shrink: 0;
}

.case-meta__text {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.case-meta__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-white);
}

.case-meta__value {
  font-size: 14px;
  font-weight: 400;
  color: rgba(255, 255, 255, .55);
}

/* ---------- Contents row (full-bleed numbered TOC) ---------- */

.case-toc-row {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  border-bottom: 1px solid var(--color-accent);
}

.case-toc-row__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 32px 24px 40px;
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.case-toc-row__label {
  flex-shrink: 0;
  width: 200px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 20px;
}

.case-toc-row__list {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.case-toc-row__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border-soft);
  font-size: 18px;
  color: var(--color-text);
}
.case-toc-row__list a:last-child { border-bottom: none; }
.case-toc-row__list a:hover { color: var(--color-accent); }

.js-anim .case-toc-row__list a {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity .38s ease, transform .38s ease, color .15s ease;
}
.js-anim .case-toc-row.is-visible .case-toc-row__list a {
  opacity: 1;
  transform: none;
}
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(1) { transition-delay: .05s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(2) { transition-delay: .11s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(3) { transition-delay: .17s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(4) { transition-delay: .23s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(5) { transition-delay: .29s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(6) { transition-delay: .35s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(7) { transition-delay: .41s; }
.js-anim .case-toc-row.is-visible .case-toc-row__list a:nth-child(8) { transition-delay: .47s; }

@media (prefers-reduced-motion: reduce) {
  .js-anim .case-toc-row__list a { transition: none; opacity: 1; transform: none; }
}

.case-toc-row__num {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text-caption);
  flex-shrink: 0;
}

/* ---------- Floating "Contents" nav (appears once the inline TOC scrolls
   out of view, expands into a dropdown on hover — same stagger animation
   as the "Работы" nav dropdown) ---------- */

.case-toc-float {
  position: fixed;
  top: 96px;
  right: 24px;
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
}
.case-toc-float.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
  transition: opacity .2s ease, transform .2s ease;
}

.case-toc-float__trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-white);
  border: none;
  border-radius: var(--radius-pill);
  padding: 12px 18px;
  box-shadow: 0 4px 16px rgba(46, 43, 38, .07), 0 1px 2px rgba(46, 43, 38, .05);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text);
  cursor: pointer;
}
.case-toc-float__num { font-weight: 700; font-size: 12px; color: var(--color-accent); flex-shrink: 0; }
.case-toc-float__label { font-weight: 600; white-space: nowrap; }
.case-toc-float__chevron { flex-shrink: 0; color: var(--color-text-caption); transition: transform .2s ease; }
.case-toc-float.is-open .case-toc-float__chevron { transform: rotate(180deg); }

.case-toc-float__menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 260px;
  padding: 10px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(46, 43, 38, .14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
}
.case-toc-float.is-open .case-toc-float__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity .18s ease, transform .18s ease;
}

.case-toc-float__menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--color-text);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .35s ease, transform .35s ease, background-color .15s ease, color .15s ease;
}
.case-toc-float.is-open .case-toc-float__menu a { opacity: 1; transform: none; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(1) { transition-delay: .05s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(2) { transition-delay: .10s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(3) { transition-delay: .15s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(4) { transition-delay: .20s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(5) { transition-delay: .25s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(6) { transition-delay: .30s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(7) { transition-delay: .35s; }
.case-toc-float.is-open .case-toc-float__menu a:nth-child(8) { transition-delay: .40s; }

.case-toc-float__menu a:hover,
.case-toc-float__menu a.is-active { background: var(--color-accent-soft); color: var(--color-accent); }
.case-toc-float__menu .case-toc-row__num { color: var(--color-text-caption); }
.case-toc-float__menu a.is-active .case-toc-row__num { color: var(--color-accent); }

@media (max-width: 900px) {
  .case-toc-float { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .case-toc-float,
  .case-toc-float__menu,
  .case-toc-float__menu a { transition: opacity .15s ease; }
}

.case-tasks {
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.case-tasks h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 30px;
  letter-spacing: -0.01em;
  margin: 0;
}

.case-tasks .tags { gap: 8px 8px; }
.case-tasks .tag { font-family: var(--font-body); font-size: 13px; }

.case-cover {
  width: 100%;
  height: 360px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 8px 0 0;
}

.case-cover img,
.case-cover video { width: 100%; height: 100%; object-fit: cover; object-position: 20% center; }

/* ---------- Body layout: content + sticky TOC ---------- */

.case-layout {
  display: flex;
  gap: 64px;
  align-items: flex-start;
  padding: 40px 0 100px;
}

.case-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.case-block {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.case-block h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 30px;
  letter-spacing: -0.01em;
  margin: 0;
}

.case-block p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-caption);
  margin: 0;
}

.case-block > p:first-of-type {
  font-size: 19px;
  line-height: 1.5;
  color: var(--color-text);
  max-width: 760px;
}

.case-block ul {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 24px;
  list-style: disc;
}

.case-block li {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-caption);
}

.case-block--tight p { margin-bottom: 0; }

.case-gallery {
  border-radius: var(--radius-md);
  padding: 8px 0;
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.case-gallery img,
.case-gallery video {
  height: 380px;
  width: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.case-gallery--compact img,
.case-gallery--compact video { height: 460px; }

.case-gallery__wide { width: 100%; height: auto; max-height: none; }

/* A gallery holding one landscape/wide asset (e.g. a multi-screen composite
   shot) must not be forced into the portrait phone-shot crop treatment —
   show it in full at its own aspect ratio instead. */
.case-gallery--wide-media.case-gallery img,
.case-gallery--wide-media.case-gallery video {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  flex: 1 1 auto;
}

/* Phones sliding into frame, staggered (used for screen-flow galleries) */
.js-anim .case-gallery--slide-in img {
  opacity: 0;
  transform: translateY(56px);
  transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1);
}
.js-anim .case-gallery--slide-in.is-visible img {
  opacity: 1;
  transform: none;
}
.js-anim .case-gallery--slide-in.is-visible img:nth-child(1) { transition-delay: 0s; }
.js-anim .case-gallery--slide-in.is-visible img:nth-child(2) { transition-delay: .18s; }
.js-anim .case-gallery--slide-in.is-visible img:nth-child(3) { transition-delay: .36s; }
.js-anim .case-gallery--slide-in.is-visible img:nth-child(4) { transition-delay: .54s; }

@media (prefers-reduced-motion: reduce) {
  .js-anim .case-gallery--slide-in img { transition: none; opacity: 1; transform: none; }
}

.case-result {
  background: var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  color: var(--color-white);
}

.case-result ul {
  list-style: disc;
  padding-left: 25px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.case-result li {
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-white);
}

/* ---------- TOC sidebar ---------- */

.case-toc {
  width: 200px;
  flex-shrink: 0;
  position: sticky;
  top: 32px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.case-toc__label {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-text-caption);
  margin-bottom: 4px;
}

.case-toc a {
  padding: 7px 0 7px 14px;
  font-size: 13.5px;
  color: var(--color-text-caption);
  border-left: 2px solid transparent;
}

.case-toc a:hover,
.case-toc a.is-active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* ---------- Section-to-section rows (variant with image+text side by side) ---------- */

.case-split {
  display: flex;
  gap: 56px;
  align-items: center;
}

.case-split__media {
  flex: 1;
  min-width: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.case-split__media img,
.case-split__media video { width: 100%; height: 100%; object-fit: cover; display: block; }

.case-split__text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---------- Related cases footer strip ---------- */

.case-next {
  padding: 40px 0 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.case-next__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 24px 28px;
}
.case-next__link:hover { background: var(--color-accent-soft); }

/* ---------- Process-flow band (shared) ---------- */

.process-flow {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  margin: 32px 0;
}

.process-flow__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 40px 24px;
}

.process-flow__row {
  display: flex;
  flex-wrap: wrap;
}

.process-flow__item {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 28px;
  border-left: 1px solid rgba(255, 255, 255, .25);
}
.process-flow__item:first-child { border-left: none; padding-left: 0; }

.process-flow__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-white);
}

.process-flow__text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.process-flow__phase {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--color-white);
}

.process-flow__desc {
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, .7);
}

.process-flow--single .process-flow__inner { padding-top: 32px; padding-bottom: 32px; }
.process-flow--single .process-flow__desc {
  font-size: 16px;
  line-height: 1.6;
  max-width: 760px;
  color: rgba(255, 255, 255, .85);
}

@media (max-width: 900px) {
  .process-flow__inner { padding: 28px 20px; }
  .process-flow__row { flex-direction: column; gap: 20px; }
  .process-flow__item { border-left: none; padding: 20px 0 0; }
  .process-flow__item:first-child { padding-top: 0; }
  .process-flow__item + .process-flow__item { border-top: 1px solid rgba(255,255,255,.25); }
  .case-layout { flex-direction: column; align-items: stretch; gap: 40px; }
  .case-toc { display: none; }
  .case-meta__inner { flex-direction: column; gap: 24px; padding: 28px 20px; }
  .case-meta__item { border-left: none; border-top: 1px solid rgba(255,255,255,.15); padding: 20px 0 0; }
  .case-meta__item:first-child { border-top: none; padding-top: 0; }
  .case-cover { height: 220px; }

  .case-hero { padding-top: 32px; }
  .case-hero__title { font-size: 32px; line-height: 1.15; }
  .case-hero__row { flex-direction: column-reverse; gap: 24px; }
  .case-hero__media { width: 100%; max-width: 360px; }

  .case-toc-row__inner { flex-direction: column; gap: 12px; padding: 24px 20px 32px; }
  .case-toc-row__label { width: auto; }
  .case-toc-row__list a { font-size: 16px; padding: 14px 0; }

  .case-gallery {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 8px 24px 16px;
    margin: 0 -24px;
    gap: 16px;
  }
  .case-gallery::-webkit-scrollbar { display: none; }

  .case-gallery img,
  .case-gallery video {
    height: 320px;
    width: auto;
    flex: 0 0 auto;
    scroll-snap-align: center;
  }
  .case-gallery--compact img,
  .case-gallery--compact video { height: 380px; }

  .case-gallery__wide {
    height: 320px;
    width: auto;
    max-width: none;
  }

  .case-split { flex-direction: column; }
}

/* ---------- Numbered section headers (case pages) ---------- */

.section-header--case {
  text-align: left;
  gap: 20px;
  margin-bottom: 4px;
}
.section-header__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.case-block .section-header--case h2,
.case-subblock .section-header--case h2 {
  font-size: 44px;
  line-height: 1.1;
}
.section-header__num {
  flex-shrink: 0;
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-text-caption);
}

.case-block > p,
.case-block > ul { max-width: 760px; }

.case-subblock {
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.case-subblock p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-caption);
  margin: 0;
  max-width: 760px;
}

@media (max-width: 900px) {
  .case-block .section-header--case h2,
  .case-subblock .section-header--case h2 { font-size: 30px; }
  .section-header__num { font-size: 20px; }
}