/* Page load & scroll-triggered animations */

/* Initial state for animated elements */
.animate-on-load,
.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Картинки услуг и контент страницы услуги — всегда видны (не ждём анимацию) */
.service-section-image,
.service-section-image.animate-on-scroll,
.service-section .section-title.animate-on-scroll,
.service-section .competence-text.animate-on-scroll,
.service-section .service-more {
  opacity: 1;
  transform: none;
}

.detail-content .animate-on-scroll,
.detail-content .container .animate-on-scroll {
  opacity: 1;
  transform: none;
}

/* Safety: hero и контакты видны даже без JS */
.page-hero-bg .hero-title,
.page-hero-bg .hero-desc,
.page-hero-bg .section-label,
.page-hero-bg .uppercase,
.page-hero-bg .hero-slogan,
.contact-pitcher .animate-on-scroll,
.services-cta-section .animate-on-scroll {
  opacity: 1;
  transform: none;
}

.hero-word {
  display: inline-block;
}

/* Мягкое появление картинок услуг */
@keyframes serviceImageReveal {
  from {
    opacity: 0.85;
    transform: scale(0.97);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.service-section-image img {
  animation: serviceImageReveal 0.7s ease-out forwards;
}

/* Stagger delays */
.stagger-1 { --stagger: 0.05s; }
.stagger-2 { --stagger: 0.1s; }
.stagger-3 { --stagger: 0.15s; }
.stagger-4 { --stagger: 0.2s; }
.stagger-5 { --stagger: 0.25s; }
.stagger-6 { --stagger: 0.3s; }
.stagger-7 { --stagger: 0.35s; }
.stagger-8 { --stagger: 0.4s; }

/* Keyframes */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideUpLine {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Applied when visible */
.animate-on-load.played,
.animate-on-scroll.visible {
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

.animate-on-scroll.visible {
  animation: fadeUp 0.8s var(--ease-out) forwards;
}

/* Hero: fallback, если JS (gsap-rich) не загрузился */
.hero .hero-title:not(:has(.hero-line)) {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s var(--ease-out) 0.1s forwards;
}

/* Начальное состояние — убирает мерцание до GSAP */
.hero .hero-desc,
.hero .cta-buttons {
  opacity: 0;
  transform: translateY(24px);
}
/* Fallback, если GSAP не загрузился */
.hero .hero-desc {
  animation: fadeUp 0.9s var(--ease-out) 0.25s forwards;
}
.hero .cta-buttons {
  animation: fadeUp 0.9s var(--ease-out) 0.45s forwards;
}
.hero .hero-title .hero-line {
  display: block;
}

/* Modal animations */
.modal-backdrop {
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}

.modal-backdrop.visible {
  opacity: 1;
}

.modal-window {
  opacity: 0;
  transform: scale(0.95) translateY(20px);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.modal-window.quiz-window {
  opacity: 1;
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
}

.modal-backdrop.visible .modal-window {
  opacity: 1;
  transform: scale(1) translateY(0);
}

.modal-backdrop.visible .modal-window.quiz-window {
  transform: translateX(0);
}

/* Reveal line under titles (optional) */
.reveal-line {
  display: block;
  height: 2px;
  width: 60px;
  background: var(--color-text);
  margin-top: 16px;
  transform-origin: left;
}

.animate-on-scroll.visible .reveal-line {
  animation: slideUpLine 0.6s var(--ease-out) 0.2s forwards;
}

/* Parallax / subtle scale for images (via JS or extra class) */
.parallax-soft {
  transition: transform 0.5s var(--ease-out);
}