/* ============================================
   Layout y Grid System
   ============================================ */

/* Hero Section - Mejorado con efectos dinámicos */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: heroShimmer 8s ease-in-out infinite;
  z-index: 1;
}

@keyframes heroShimmer {
  0%, 100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.2;
  z-index: 1;
  animation: heroBackgroundMove 20s ease-in-out infinite;
  filter: blur(1px);
  /* Optimización: carga diferida de imagen de fondo */
  content-visibility: auto;
  will-change: transform;
}

@keyframes heroBackgroundMove {
  0%, 100% {
    transform: scale(1) translateY(0);
  }
  50% {
    transform: scale(1.1) translateY(-20px);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  padding: var(--spacing-8) var(--spacing-4);
  animation: heroContentFadeIn 1s ease-out;
}

@keyframes heroContentFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-white);
}

.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 0, 0, 0.2);
  animation: heroTitleGlow 3s ease-in-out infinite;
  background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes heroTitleGlow {
  0%, 100% {
    filter: brightness(1);
  }
  50% {
    filter: brightness(1.2);
  }
}

.hero-subtitle {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-6);
  color: var(--color-white);
}

.hero-description {
  font-size: var(--font-size-xl);
  line-height: 1.8;
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: var(--spacing-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  animation: bounce 2s infinite;
}

.hero-scroll-indicator a {
  color: var(--color-white);
  font-size: var(--font-size-2xl);
  text-decoration: none;
  display: block;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-full);
  transition: all var(--transition-base);
}

.hero-scroll-indicator a:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-15px);
  }
  60% {
    transform: translateX(-50%) translateY(-8px);
  }
}

/* Animaciones adicionales para elementos dinámicos */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-10deg) scale(0.8);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

/* Section Headers */
.section-header {
  margin-bottom: var(--spacing-12);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  color: var(--color-gray-900);
}

.section-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

.section-alt {
  background-color: var(--color-gray-50);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.lead {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-medium);
  line-height: 1.8;
  color: var(--color-gray-800);
}

.about-image-placeholder {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--border-radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: var(--font-size-6xl);
  opacity: 0.8;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

/* Contact Form Wrapper */
.contact-form-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.contact-form {
  background-color: var(--color-white);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

/* CTA Section - Mejorado */
.cta-section {
  background: var(--gradient-hero);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: ctaShimmer 6s ease-in-out infinite;
}

@keyframes ctaShimmer {
  0%, 100% {
    transform: rotate(0deg);
    opacity: 0.3;
  }
  50% {
    transform: rotate(180deg);
    opacity: 0.6;
  }
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
  animation: ctaContentFadeIn 1s ease-out;
}

@keyframes ctaContentFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  color: var(--color-white);
}

.cta-subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-8);
  color: rgba(255, 255, 255, 0.9);
}

/* Animaciones */
.animate-fade-in {
  animation: fadeIn 0.8s ease-out;
}

.animate-fade-in-delay {
  animation: fadeIn 0.8s ease-out 0.2s both;
}

.animate-fade-in-delay-2 {
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.animate-fade-in-delay-3 {
  animation: fadeIn 0.8s ease-out 0.6s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in on scroll - Mejorado */
.fade-in-scroll {
  opacity: 0;
  transform: translateY(50px) scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-scroll.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Animaciones adicionales para scroll */
.slide-in-left {
  opacity: 0;
  transform: translateX(-80px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(80px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}