/* ════════════════════════════════════════
   CASES / PORTFOLIO PAGE
   ════════════════════════════════════════ */

.page-cases {
  /* Как на главной: база body + чуть светлее секции работ */
  --cases-surface: var(--bg);
  --cases-raised: var(--bg-secondary);
}

.page-cases .cases-work {
  padding: 88px 0 120px;
  background: var(--cases-raised);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* ─── HERO ─────────────────────────────── */
/* Тон и яркость как у блока .hero на главной: тот же золотистый radial + лёгкая подсветка справа */
.cases-hero {
  position: relative;
  padding: calc(var(--header-h) + 16px) 0 88px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 60% at 70% 50%, rgba(255, 179, 71, 0.035) 0%, transparent 70%),
    radial-gradient(ellipse 85% 50% at 12% -5%, rgba(255, 179, 71, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 60% 45% at 92% 18%, rgba(255, 255, 255, 0.04) 0%, transparent 45%),
    var(--cases-surface);
}

.cases-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 46%);
  gap: 48px 56px;
  /* Правая колонка по вертикали по центру левого текстового блока */
  align-items: center;
}

.cases-hero__content {
  max-width: 600px;
}

.cases-hero__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.cases-hero__heading {
  font-family: var(--font-display);
  font-size: clamp(36px, 4.8vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.028em;
  margin: 0 0 18px;
  color: transparent;
  background: linear-gradient(135deg, #fff4dc 0%, #ffb347 46%, #d49420 100%);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 28px rgba(255, 179, 71, 0.35));
}

.cases-hero__text {
  font-size: 16px;
  line-height: 1.66;
  color: var(--text-secondary);
  max-width: 32em;
  margin: 0 0 28px;
}

.cases-hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.cases-hero__visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.cases-hero__browsers {
  position: relative;
  width: 100%;
  max-width: 520px;
  aspect-ratio: 1 / 0.95;
  margin-left: auto;
  /* Поднимаем всю композицию: окна были прижаты к низу блока (bottom: …%) */
  transform: translateY(-clamp(28px, 5vw, 56px));
}

.cases-hero__browser {
  position: absolute;
  width: 78%;
  left: 50%;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(165deg, #3d3d3d 0%, #262626 52%, #1c1c1c 100%);
  box-shadow:
    0 20px 48px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  overflow: hidden;
  transform-origin: 50% 100%;
}

.cases-hero__browser--back {
  bottom: 18%;
  transform: translateX(-58%) rotate(-7deg) scale(0.88);
  opacity: 0.74;
  z-index: 1;
  animation: casesBrowserFloatA 7s ease-in-out infinite;
}

.cases-hero__browser--mid {
  bottom: 26%;
  transform: translateX(-50%) rotate(3deg) scale(0.94);
  opacity: 0.92;
  z-index: 2;
  animation: casesBrowserFloatB 8s ease-in-out infinite 0.4s;
}

.cases-hero__browser--front {
  bottom: 34%;
  transform: translateX(-42%) rotate(-2deg) scale(1);
  z-index: 3;
  animation: casesBrowserFloatC 6.5s ease-in-out infinite 0.2s;
}

@keyframes casesBrowserFloatA {
  0%, 100% { transform: translateX(-58%) translateY(0) rotate(-7deg) scale(0.88); }
  50%      { transform: translateX(-58%) translateY(-10px) rotate(-5deg) scale(0.9); }
}

@keyframes casesBrowserFloatB {
  0%, 100% { transform: translateX(-50%) translateY(0) rotate(3deg) scale(0.94); }
  50%      { transform: translateX(-50%) translateY(-14px) rotate(2deg) scale(0.96); }
}

@keyframes casesBrowserFloatC {
  0%, 100% { transform: translateX(-42%) translateY(0) rotate(-2deg) scale(1); }
  50%      { transform: translateX(-42%) translateY(-12px) rotate(-1deg) scale(1.02); }
}

.cases-hero__browser-chrome {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.09);
}

.cases-hero__browser-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

.cases-hero__browser-dots i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}

.cases-hero__browser-dots i:nth-child(1) { background: rgba(255, 120, 120, 0.45); }
.cases-hero__browser-dots i:nth-child(2) { background: rgba(255, 200, 100, 0.45); }
.cases-hero__browser-dots i:nth-child(3) { background: rgba(120, 220, 140, 0.4); }

.cases-hero__browser-url {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  max-width: 72%;
}

.cases-hero__browser-body {
  padding: 14px 14px 18px;
}

.cases-hero__browser-line {
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.14);
  margin-bottom: 8px;
}

.cases-hero__browser-line--w90 { width: 90%; }
.cases-hero__browser-line--w80 { width: 80%; }
.cases-hero__browser-line--w95 { width: 95%; }
.cases-hero__browser-line--w70 { width: 70%; }
.cases-hero__browser-line--w65 { width: 65%; }
.cases-hero__browser-line--w55 { width: 55%; }

.cases-hero__browser-blocks {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.cases-hero__browser-blocks span {
  flex: 1;
  height: 42px;
  border-radius: 4px;
  background: rgba(255, 179, 71, 0.11);
  border: 1px solid rgba(255, 179, 71, 0.16);
}

.cases-hero__browser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 14px;
}

.cases-hero__browser-grid span {
  min-height: 40px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.cases-hero__browser--mid .cases-hero__browser-grid span:nth-child(2) {
  background: rgba(255, 179, 71, 0.07);
  border-color: rgba(255, 179, 71, 0.14);
}

.cases-hero__browser-cards {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.cases-hero__browser-cards span {
  flex: 1;
  height: 56px;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(255, 179, 71, 0.16) 0%, rgba(255, 255, 255, 0.06) 100%);
  border: 1px solid rgba(255, 179, 71, 0.22);
}

@media (prefers-reduced-motion: reduce) {
  .cases-hero__browser--back,
  .cases-hero__browser--mid,
  .cases-hero__browser--front {
    animation: none;
  }
}

/* ─── WORK SECTION ────────────────────── */
.cases-work__head {
  max-width: 640px;
  margin-bottom: 40px;
}

.cases-work__head .section-text {
  margin-top: 10px;
}

.cases-tabs-wrap {
  margin-bottom: 40px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.cases-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  padding-bottom: 4px;
  min-width: min-content;
}

.cases-tab {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 11px 18px;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition:
    color 0.22s var(--ease-smooth),
    border-color 0.22s var(--ease-smooth),
    background 0.22s var(--ease-smooth),
    box-shadow 0.22s var(--ease-smooth);
}

.cases-tab:hover {
  color: var(--text-primary);
  border-color: rgba(255, 179, 71, 0.35);
}

.cases-tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cases-tab.is-active {
  color: var(--text-primary);
  border-color: rgba(255, 179, 71, 0.55);
  background: rgba(255, 179, 71, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 179, 71, 0.15);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.cases-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 56px 24px;
  text-align: center;
  font-size: 15px;
  line-height: 1.55;
  color: var(--text-secondary);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.02);
}

.cases-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 20px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.cases-pager__arrow {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-secondary);
  padding: 10px 16px;
  border-radius: 3px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition:
    color 0.22s var(--ease-smooth),
    border-color 0.22s var(--ease-smooth),
    background 0.22s var(--ease-smooth);
}

.cases-pager__arrow:hover {
  color: var(--accent);
  border-color: rgba(255, 179, 71, 0.4);
}

.cases-pager__arrow:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cases-pager__arrow--disabled {
  opacity: 0.35;
  pointer-events: none;
  cursor: default;
}

.cases-pager__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cases-pager__item--gap {
  pointer-events: none;
}

.cases-pager__ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 0 4px;
  font-size: 14px;
  color: var(--text-secondary);
  opacity: 0.45;
}

.cases-pager__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-secondary);
  border-radius: 3px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition:
    color 0.22s var(--ease-smooth),
    border-color 0.22s var(--ease-smooth),
    background 0.22s var(--ease-smooth);
}

a.cases-pager__num:hover {
  color: var(--text-primary);
  border-color: rgba(255, 179, 71, 0.4);
}

a.cases-pager__num:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cases-pager__num.is-active {
  color: var(--text-primary);
  border-color: rgba(255, 179, 71, 0.55);
  background: rgba(255, 179, 71, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 179, 71, 0.12);
  cursor: default;
}

.cases-pager-meta {
  margin: 20px 0 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
  opacity: 0.75;
}

.cases-card {
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: #141414;
  overflow: hidden;
  transition:
    border-color 0.32s var(--ease-smooth),
    box-shadow 0.35s var(--ease-out),
    transform 0.32s var(--ease-out);
}

.cases-card:hover {
  border-color: rgba(255, 179, 71, 0.28);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
}

.cases-card__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.cases-card__link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.cases-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* <picture> в превью (WebP + JPEG): заполняет тот же бокс, что и одиночный <img> */
.cases-card__thumb picture {
  display: block;
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

.cases-card__thumb-img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.45s var(--ease-out);
}

.cases-card__link:hover .cases-card__thumb-img {
  transform: scale(1.03);
}

.cases-card__thumb-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 80% at 30% 20%, rgba(255, 179, 71, 0.18) 0%, transparent 55%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.04) 0%, transparent 40%),
    linear-gradient(145deg, #1a1a1a 0%, #0d0d0d 100%);
}

.cases-card:nth-child(5n + 2) .cases-card__thumb-bg {
  background:
    radial-gradient(ellipse 70% 70% at 70% 30%, rgba(255, 179, 71, 0.15) 0%, transparent 50%),
    linear-gradient(155deg, #181818 0%, #0c0c0c 100%);
}

.cases-card:nth-child(5n + 3) .cases-card__thumb-bg {
  background:
    radial-gradient(circle at 20% 70%, rgba(255, 179, 71, 0.12) 0%, transparent 45%),
    linear-gradient(195deg, #161616 0%, #0a0a0a 100%);
}

.cases-card:nth-child(5n + 4) .cases-card__thumb-bg {
  background:
    radial-gradient(ellipse 60% 90% at 50% 0%, rgba(255, 179, 71, 0.14) 0%, transparent 50%),
    linear-gradient(180deg, #1b1b1b 0%, #0e0e0e 100%);
}

.cases-card:nth-child(5n + 5) .cases-card__thumb-bg {
  background:
    radial-gradient(circle at 85% 15%, rgba(255, 179, 71, 0.16) 0%, transparent 42%),
    linear-gradient(125deg, #191919 0%, #0b0b0b 100%);
}

.cases-card__thumb-placeholder {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  text-align: center;
  font-size: 13px;
  line-height: 1.4;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.38);
}

.cases-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 5px 10px;
  border-radius: 2px;
  border: 1px solid rgba(255, 179, 71, 0.35);
  background: rgba(10, 10, 10, 0.65);
  backdrop-filter: blur(8px);
}

.cases-card__body {
  padding: 20px 20px 22px;
}

.cases-card__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 8px;
  line-height: 1.25;
}

.cases-card__text {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text-secondary);
  margin: 0;
}

/* Scroll reveal delays (main.js .reveal) */
.page-cases .reveal-delay-1 { transition-delay: 0.08s; }
.page-cases .reveal-delay-2 { transition-delay: 0.16s; }
.page-cases .reveal-delay-3 { transition-delay: 0.24s; }
.page-cases .reveal-delay-4 { transition-delay: 0.32s; }
.page-cases .reveal-delay-5 { transition-delay: 0.4s; }

/* ─── RESPONSIVE ──────────────────────── */
@media (max-width: 1024px) {
  .cases-hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .cases-hero__visual {
    justify-content: center;
    min-height: 0;
    margin-top: 0;
  }

  .cases-hero__browsers {
    max-width: 480px;
    margin: 0 auto;
    transform: translateY(-20px);
  }
}

@media (max-width: 768px) {
  .page-cases .cases-work {
    padding: 64px 0 88px;
  }

  .cases-hero {
    padding-bottom: 72px;
  }

  .cases-hero__browsers {
    max-width: 100%;
    aspect-ratio: 1 / 0.88;
  }

  .cases-tabs-wrap {
    margin-left: -4px;
    margin-right: -4px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .cases-grid {
    grid-template-columns: 1fr;
  }
}