/* ==========================================================================
   88STUDIO - Режим ультрафиолета (UV Blacklight 365nm) & Неоновые эффекты
   ========================================================================== */

/* Переменные для активного UV режима */
body.uv-active {
  --bg-primary: #040108;
  --bg-secondary: #0a0314;
  --bg-card: rgba(18, 5, 34, 0.85);
  --bg-card-hover: rgba(30, 8, 58, 0.95);
  --bg-glass: rgba(14, 3, 26, 0.8);

  --text-primary: #ffffff;
  --text-secondary: #c0abff;
  --text-muted: #8468b8;

  --border-color: rgba(157, 0, 255, 0.35);
  --border-glow: rgba(0, 243, 255, 0.8);

  background-color: #040108;
  background-image: 
    radial-gradient(circle at 10% 15%, rgba(157, 0, 255, 0.35) 0%, transparent 45%),
    radial-gradient(circle at 90% 40%, rgba(0, 243, 255, 0.3) 0%, transparent 45%),
    radial-gradient(circle at 40% 80%, rgba(255, 0, 123, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 75% 90%, rgba(57, 255, 20, 0.2) 0%, transparent 40%);
}

/* Фоновое фото фестиваля в UV режиме */
body.uv-active .hero-bg-img {
  filter: brightness(0.9) contrast(1.35) saturate(1.75);
  opacity: 0.95;
  transform: scale(1.04);
}

body.uv-active .hero-bg-overlay {
  background: 
    radial-gradient(circle at 65% 45%, rgba(157, 0, 255, 0.35) 0%, transparent 65%),
    linear-gradient(to right, rgba(4, 1, 8, 0.93) 0%, rgba(4, 1, 8, 0.68) 50%, rgba(4, 1, 8, 0.86) 100%),
    linear-gradient(to bottom, rgba(4, 1, 8, 0.35) 0%, transparent 40%, rgba(4, 1, 8, 0.96) 90%, var(--bg-primary) 100%);
}

/* Свечение текста в UV режиме */
body.uv-active h1,
body.uv-active h2,
body.uv-active h3 {
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.6), 0 0 25px rgba(157, 0, 255, 0.7);
}

body.uv-active .gradient-text {
  background: linear-gradient(135deg, #00f3ff 0%, #ff007b 40%, #ffe600 75%, #39ff14 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 15px rgba(0, 243, 255, 0.9));
  animation: uv-gradient-pulse 4s ease-in-out infinite alternate;
}

@keyframes uv-gradient-pulse {
  0% { filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.8)); }
  50% { filter: drop-shadow(0 0 25px rgba(255, 0, 123, 1)); }
  100% { filter: drop-shadow(0 0 15px rgba(57, 255, 20, 0.9)); }
}

/* Карточки в UV режиме */
body.uv-active .service-card,
body.uv-active .step-card,
body.uv-active .faq-item,
body.uv-active .feature-box,
body.uv-active .calc-card,
body.uv-active .gallery-item {
  border-color: rgba(157, 0, 255, 0.45);
  box-shadow: 0 0 25px rgba(157, 0, 255, 0.25), inset 0 0 15px rgba(0, 243, 255, 0.08);
}

body.uv-active .service-card:hover,
body.uv-active .gallery-item:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 35px rgba(0, 243, 255, 0.6), 0 0 15px rgba(255, 0, 123, 0.5), inset 0 0 20px rgba(0, 243, 255, 0.2);
}

/* Свечение значков и бейджей */
body.uv-active .badge {
  background: rgba(0, 243, 255, 0.2);
  border-color: var(--neon-cyan);
  box-shadow: 0 0 18px var(--neon-cyan);
  color: #fff;
  text-shadow: 0 0 8px var(--neon-cyan);
}

body.uv-active .service-icon-box {
  background: rgba(157, 0, 255, 0.3);
  border-color: var(--neon-magenta);
  box-shadow: 0 0 30px rgba(255, 0, 123, 0.8);
  color: #fff;
}

body.uv-active .logo-icon {
  box-shadow: 0 0 25px var(--neon-cyan), 0 0 45px var(--neon-magenta);
  border-color: #fff;
}

body.uv-active .header {
  background: rgba(6, 1, 14, 0.9);
  border-bottom: 1px solid rgba(157, 0, 255, 0.4);
  box-shadow: 0 0 30px rgba(157, 0, 255, 0.3);
}

/* Активная кнопка UV */
body.uv-active .uv-toggle-btn {
  background: linear-gradient(135deg, rgba(157, 0, 255, 0.8), rgba(255, 0, 123, 0.8));
  border-color: #fff;
  box-shadow: 0 0 30px rgba(255, 0, 123, 0.9), 0 0 15px rgba(0, 243, 255, 0.8);
  animation: uv-lamp-glow 2s infinite alternate;
}

body.uv-active .uv-lamp-icon {
  color: #fff;
  filter: drop-shadow(0 0 10px #ffffff) drop-shadow(0 0 20px var(--neon-cyan));
}

@keyframes uv-lamp-glow {
  0% { box-shadow: 0 0 20px rgba(157, 0, 255, 0.8), 0 0 10px rgba(0, 243, 255, 0.8); }
  100% { box-shadow: 0 0 40px rgba(255, 0, 123, 1), 0 0 25px rgba(57, 255, 20, 0.9); }
}

/* Индикатор UV излучения (Blacklight HUD bar) */
.uv-indicator-bar {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  background: rgba(10, 3, 20, 0.85);
  border: 1px solid var(--neon-purple);
  border-radius: 50px;
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.6), 0 0 20px rgba(157, 0, 255, 0.4);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
  transition: all var(--transition-normal);
}

.uv-indicator-bar:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 40px rgba(157, 0, 255, 0.7);
}

.uv-pulse-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 18px;
}

.uv-wave-bar {
  width: 3px;
  height: 100%;
  background: var(--neon-purple);
  border-radius: 2px;
  animation: uv-wave 1.2s ease-in-out infinite alternate;
}

.uv-wave-bar:nth-child(2) { background: var(--neon-cyan); animation-delay: 0.2s; }
.uv-wave-bar:nth-child(3) { background: var(--neon-magenta); animation-delay: 0.4s; }
.uv-wave-bar:nth-child(4) { background: var(--neon-green); animation-delay: 0.6s; }
.uv-wave-bar:nth-child(5) { background: var(--neon-yellow); animation-delay: 0.8s; }

@keyframes uv-wave {
  0% { height: 25%; }
  100% { height: 100%; }
}

/* Флуоресцентные неоновые контуры для изображений */
.fluorescent-border {
  position: relative;
}

.fluorescent-border::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(45deg, #00f3ff, #ff007b, #39ff14, #9d00ff, #ffe600);
  background-size: 400%;
  border-radius: inherit;
  z-index: -1;
  animation: glowing-border 12s linear infinite;
  opacity: 0.7;
}

@keyframes glowing-border {
  0% { background-position: 0 0; }
  50% { background-position: 400% 0; }
  100% { background-position: 0 0; }
}

/* Неоновые нити (String Art effect) */
.string-lines-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 15px,
    rgba(0, 243, 255, 0.03) 15px,
    rgba(0, 243, 255, 0.03) 16px
  );
  pointer-events: none;
}

/* ==========================================================================
   Усиление психоделических эффектов в режиме UV 365nm Blacklight (Оптимизировано)
   ========================================================================== */

body.uv-active .hero-title {
  text-shadow: 
    -2px -1px 0 rgba(0, 243, 255, 0.6),
    2px 1px 0 rgba(255, 0, 123, 0.6),
    0 0 20px rgba(157, 0, 255, 0.6);
}

body.uv-active .gradient-text {
  background: linear-gradient(135deg, #00f3ff 0%, #ff007b 40%, #ffe600 75%, #39ff14 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 14px rgba(0, 243, 255, 0.8));
}

body.uv-active .psy-ambient-decor {
  opacity: 0.32;
  filter: drop-shadow(0 0 14px rgba(0, 243, 255, 0.7));
}

body.uv-active .psy-canopy-divider {
  filter: drop-shadow(0 0 10px rgba(0, 243, 255, 0.7));
}

/* Скрытые флуоро-паттерны сакральной геометрии (легкий статический градиент без нагрузки на GPU) */
body.uv-active .section::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: 
    radial-gradient(circle at 15% 25%, rgba(0, 243, 255, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(255, 0, 123, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 50% 50%, rgba(57, 255, 20, 0.06) 0%, transparent 50%);
  opacity: 0.8;
}

/* Неоновый ореол карточек в UV режиме при наведении */
body.uv-active .service-card:hover,
body.uv-active .gallery-item:hover {
  border-color: rgba(0, 243, 255, 0.9);
  box-shadow: 
    0 18px 40px rgba(0, 0, 0, 0.8),
    -4px -2px 25px rgba(0, 243, 255, 0.5),
    4px 2px 25px rgba(255, 0, 123, 0.5);
}