/**
 * Z-TECH — акцентные зоны + анимация блоков (ничего не убираем, только усиливаем)
 */

/* ── Акцентные зоны (hero · кейс · контакт) ── */
.accent-zone {
  position: relative;
  isolation: isolate;
}

.accent-zone::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.85;
  transition: opacity 0.8s ease;
}

.accent-zone--hero::before {
  background:
    radial-gradient(ellipse 70% 55% at 12% 35%, rgba(244, 63, 94, 0.22), transparent 62%),
    radial-gradient(ellipse 50% 45% at 88% 20%, rgba(56, 189, 248, 0.12), transparent 58%);
  animation: accent-zone-breathe 8s ease-in-out infinite;
}

.accent-zone--case::before {
  background: radial-gradient(ellipse 90% 70% at 50% 0%, rgba(244, 63, 94, 0.14), transparent 68%);
}

.accent-zone--cta::before {
  background:
    radial-gradient(ellipse 60% 50% at 80% 40%, rgba(244, 63, 94, 0.2), transparent 65%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(16, 185, 129, 0.08), transparent 60%);
  animation: accent-zone-breathe 10s ease-in-out infinite reverse;
}

@keyframes accent-zone-breathe {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.02); }
}

.accent-zone > * {
  position: relative;
  z-index: 1;
}

/* ── Светящая рамка у ключевых блоков ── */
.accent-block {
  position: relative;
  isolation: isolate;
}

.accent-block::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  background: linear-gradient(
    125deg,
    rgba(244, 63, 94, 0.65) 0%,
    rgba(255, 255, 255, 0.15) 28%,
    transparent 42%,
    transparent 58%,
    rgba(56, 189, 248, 0.35) 72%,
    rgba(244, 63, 94, 0.5) 100%
  );
  background-size: 220% 220%;
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1);
  animation: accent-border-flow 6s linear infinite;
  animation-play-state: paused;
}

.accent-block:hover::after,
.accent-block.is-accent-lit::after {
  opacity: 1;
  animation-play-state: running;
}

@keyframes accent-border-flow {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* ── Появление блоков после входа ── */
body.site-entered .accent-block.reveal.is-visible {
  animation: accent-block-in 1.05s cubic-bezier(0.16, 1, 0.3, 1) both;
}

body.site-entered .fx-stagger.is-staggered .fx-stagger-item.accent-block.reveal.is-visible {
  animation: accent-block-in 0.95s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes accent-block-in {
  from {
    opacity: 0;
    transform: translateY(36px) scale(0.97);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Метрики — волна подсветки */
body.site-entered .ref-metrics__cell.reveal.is-visible {
  animation: accent-metric-pop 0.75s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes accent-metric-pop {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  60% {
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.site-entered .ref-metrics__cell.reveal.is-visible .ref-metrics__val {
  text-shadow: 0 0 40px rgba(244, 63, 94, 0.35);
}

/* Hero CTA — пульс после загрузки */
body.accent-live .hero-cta-row .btn-primary {
  animation: accent-cta-pulse 3.5s ease-in-out infinite;
}

@keyframes accent-cta-pulse {
  0%, 100% {
    box-shadow: 0 0 32px rgba(244, 63, 94, 0.35), 0 8px 24px rgba(0, 0, 0, 0.55);
  }
  50% {
    box-shadow: 0 0 56px rgba(244, 63, 94, 0.55), 0 12px 36px rgba(0, 0, 0, 0.5);
  }
}

/* Кейс — лёгкое свечение витрины */
body.accent-live .case-spotlight.accent-block {
  box-shadow: 0 0 0 1px rgba(244, 63, 94, 0.15), 0 32px 80px rgba(0, 0, 0, 0.55);
}

body.accent-live .case-spotlight.accent-block::after {
  opacity: 0.45;
  animation-play-state: running;
}

/* Контакт — форма в фокусе */
body.accent-live .contact-form-panel.accent-block::after {
  opacity: 0.35;
  animation-play-state: running;
}

/* Pricing flagship */
.pricing-featured.accent-block::after {
  opacity: 0.5;
  animation-play-state: running;
}

@media (prefers-reduced-motion: reduce) {
  .accent-zone::before,
  body.accent-live .hero-cta-row .btn-primary,
  .accent-block::after {
    animation: none !important;
  }

  body.site-entered .accent-block.reveal.is-visible,
  body.site-entered .ref-metrics__cell.reveal.is-visible {
    animation: none;
  }
}