/* Декоративные эффекты публичной части (включаются в /admin/design) */

body.ambient--bg-breath {
  background: transparent;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 2;
}

/* Карточки чуть прозрачнее — иначе фон и blobs не видны за белыми блоками */
body.ambient--blobs .content-block,
body.ambient--bg-breath .content-block,
body.ambient--lines .content-block {
  background: color-mix(in srgb, var(--card-bg) 76%, transparent);
}

body.ambient--blobs .legacy-card,
body.ambient--bg-breath .legacy-card,
body.ambient--lines .legacy-card {
  background: color-mix(in srgb, var(--card-bg) 82%, transparent);
}

/* --- 3. «Дыхание» градиента фона --- */
.ambient-bg-breath {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: var(--bg-body);
  background-size: 320% 320%;
  animation: ambient-bg-breath 26s ease-in-out infinite alternate;
}

.ambient-bg-breath::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 22% 35%, color-mix(in srgb, var(--link) 28%, transparent), transparent 52%),
    radial-gradient(circle at 78% 68%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 48%);
  animation: ambient-bg-glow 26s ease-in-out infinite alternate;
}

@keyframes ambient-bg-breath {
  0% { background-position: 0% 20%; }
  50% { background-position: 55% 75%; }
  100% { background-position: 100% 35%; }
}

@keyframes ambient-bg-glow {
  0% { opacity: 0.55; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.08); }
}

/* --- 4. Плавающие blobs --- */
.ambient-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(42px);
  opacity: 0.82;
  animation: ambient-blob-drift 38s ease-in-out infinite alternate;
}

.ambient-blob--1 {
  width: min(58vw, 460px);
  height: min(58vw, 460px);
  top: 4%;
  left: -12%;
  background: color-mix(in srgb, var(--link) 42%, transparent);
  animation-duration: 42s;
}

.ambient-blob--2 {
  width: min(50vw, 400px);
  height: min(50vw, 400px);
  top: 38%;
  right: -10%;
  background: color-mix(in srgb, var(--brand) 38%, transparent);
  animation-duration: 48s;
  animation-delay: -10s;
}

.ambient-blob--3 {
  width: min(44vw, 340px);
  height: min(44vw, 340px);
  bottom: 2%;
  left: 22%;
  background: color-mix(in srgb, var(--link-hover) 36%, transparent);
  animation-duration: 52s;
  animation-delay: -20s;
}

@keyframes ambient-blob-drift {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(6vw, -4vh) scale(1.1); }
  100% { transform: translate(-4vw, 5vh) scale(0.94); }
}

/* --- 1. Фоновые линии (canvas) --- */
.ambient-lines-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* --- 2. Появление блоков при прокрутке --- */
.ambient--scroll-reveal .ambient-reveal-target {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--ambient-reveal-delay, 0ms);
  will-change: opacity, transform;
}

.ambient--scroll-reveal .ambient-reveal-target.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* --- 5. Линия под заголовками --- */
.ambient--heading-line .ambient-heading-line {
  position: relative;
  padding-bottom: 0.35rem;
}

.ambient--heading-line .ambient-heading-line::after {
  content: '';
  display: block;
  height: 2px;
  width: 2.75rem;
  margin-top: 0.55rem;
  border-radius: 2px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--link) 70%, transparent),
    color-mix(in srgb, var(--link) 15%, transparent)
  );
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: 0.12s;
}

.ambient--heading-line .ambient-heading-line.is-line-drawn::after {
  transform: scaleX(1);
}

/* --- 6. Параллакс hero --- */
.ambient--hero-parallax .legacy-hero-img,
.ambient--hero-parallax .hero-soft {
  overflow: hidden;
}

.ambient--hero-parallax .ambient-hero-parallax {
  will-change: transform;
  transition: none;
}

@media (prefers-reduced-motion: reduce) {
  .ambient-bg-breath,
  .ambient-blobs,
  .ambient-lines-canvas {
    display: none !important;
  }

  .ambient-bg-breath::after {
    animation: none !important;
    opacity: 0.75 !important;
    transform: none !important;
  }

  body.ambient--bg-breath {
    background: var(--bg-body);
  }

  .ambient--scroll-reveal .ambient-reveal-target {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .ambient--heading-line .ambient-heading-line::after {
    transform: scaleX(1) !important;
    transition: none !important;
  }

  .ambient--hero-parallax .ambient-hero-parallax {
    transform: none !important;
    transition: none !important;
  }
}

@media (max-width: 767px) {
  .ambient-blob {
    filter: blur(40px);
    opacity: 0.62;
  }
}