/* =========================================================
   Animaciones y ajustes responsive
   ========================================================= */

/* Reveal on scroll */
.reveal,
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition: opacity 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 700ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

.reveal {
  transform: translateY(40px);
}

.reveal-up {
  transform: translateY(50px);
}

.reveal-left {
  transform: translateX(-50px);
}

.reveal-right {
  transform: translateX(50px);
}

.reveal-scale {
  transform: scale(0.92);
}

.reveal.visible,
.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible,
.reveal-scale.visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Stagger: delays automáticos dentro de contenedores */
.stagger .stagger-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: opacity, transform;
}

.stagger.visible .stagger-item {
  opacity: 1;
  transform: translateY(0);
}

.stagger.visible .stagger-item:nth-child(1) { transition-delay: 0ms; }
.stagger.visible .stagger-item:nth-child(2) { transition-delay: 100ms; }
.stagger.visible .stagger-item:nth-child(3) { transition-delay: 200ms; }
.stagger.visible .stagger-item:nth-child(4) { transition-delay: 300ms; }
.stagger.visible .stagger-item:nth-child(5) { transition-delay: 400ms; }
.stagger.visible .stagger-item:nth-child(6) { transition-delay: 500ms; }
.stagger.visible .stagger-item:nth-child(7) { transition-delay: 600ms; }

/* Delays manuales */
.delay-1 { transition-delay: 120ms; }
.delay-2 { transition-delay: 240ms; }
.delay-3 { transition-delay: 360ms; }
.delay-4 { transition-delay: 480ms; }

/* Hero entrance animations */
.hero-eyebrow,
.hero-title,
.hero-lead,
.hero-cta {
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeUp 800ms cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.hero-eyebrow {
  animation-delay: 0ms;
  display: inline-block;
}

.hero-title {
  animation-delay: 200ms;
}

.hero-lead {
  animation-delay: 450ms;
}

.hero-cta {
  animation-delay: 700ms;
}

@keyframes heroFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Floating animation para shapes */
.float-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(2deg);
  }
}

/* Pulse sutil para CTAs importantes */
.pulse-soft {
  animation: pulseSoft 2.5s ease-in-out infinite;
}

@keyframes pulseSoft {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(19, 74, 176, 0.35);
  }
  50% {
    box-shadow: 0 0 0 12px rgba(19, 74, 176, 0);
  }
}

/* Focus visible */
a:focus-visible,
button:focus-visible,
.nav-link:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--pcm-blue-light);
  outline-offset: 2px;
}

/* Reducir movimiento si el usuario lo prefiere */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal-up,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .stagger .stagger-item {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
  }

  .float-animation,
  .pulse-soft,
  .hero-title,
  .hero-lead,
  .hero-cta {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .btn:hover,
  .img-blob:hover,
  .link-arrow:hover i,
  #backToTop:hover,
  .service-card:hover {
    transform: none;
  }
}

/* Responsive */
@media (max-width: 991.98px) {
  :root {
    --section-py: 3.5rem;
  }

  .hero {
    min-height: 70vh;
    padding: 4rem 0;
  }

  .hero h1 {
    font-size: var(--text-4xl);
  }

  .hero .lead {
    font-size: var(--text-lg);
  }

  .color-block {
    min-height: 360px;
  }

  .central-figure .img-blob,
  .central-figure img {
    max-height: 480px;
  }
}

@media (max-width: 767.98px) {
  .hero h1 {
    font-size: var(--text-3xl);
  }

  .display-5 {
    font-size: var(--text-3xl);
  }

  .display-6 {
    font-size: var(--text-2xl);
  }

  .color-block {
    min-height: 320px;
    padding: 2rem;
  }

  .central-figure .img-blob,
  .central-figure img {
    max-height: 360px;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--text-base);
  }
}

@media (max-width: 575.98px) {
  .hero {
    min-height: 60vh;
    text-align: center;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero .lead {
    font-size: var(--text-base);
  }

  .section {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }
}