/* ============================================
   ATLANTEDIGITAL — Brand & Animation Styles
   ============================================ */

/* --- Scroll reveal animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children animation */
.reveal-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-children.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-children.visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-children.visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-children.visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-children.visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* --- Hero chart animation --- */
@keyframes chartPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}
.mockup-chart::after {
  animation: chartPulse 3s ease-in-out infinite;
}

/* --- Card glow on hover (featured product) --- */
.product-card--featured:hover {
  box-shadow: 0 20px 40px -12px rgba(0, 128, 181, 0.3);
}

/* --- Smooth gradient overlay for CTA section --- */
.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(6, 182, 212, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.cta {
  position: relative;
}

/* --- Active nav link highlight --- */
.header__nav a.active {
  color: var(--color-primary);
}

/* --- Hamburger animation for open state --- */
.header__menu-btn.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__menu-btn.open span:nth-child(2) {
  opacity: 0;
}
.header__menu-btn.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Counter / Stats bar (optional future use) --- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  text-align: center;
  padding: var(--spacing-xl) 0;
}
.stat__number {
  font-size: var(--font-size-3xl);
  font-weight: 400;
  color: var(--color-primary);
}
.stat__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

/* --- Form feedback states --- */
.form-group input.error,
.form-group textarea.error {
  border-color: #ef4444;
}
.form-msg.success {
  color: #22c55e;
}
.form-msg.error {
  color: #ef4444;
}

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */
.page-hero {
  padding: calc(72px + var(--spacing-2xl)) 0 var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  text-align: center;
  color: var(--color-white);
}
.page-hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
}
.page-hero p {
  font-size: var(--font-size-lg);
  opacity: 0.8;
  max-width: 560px;
  margin: 0 auto;
}

/* ============================================
   PRODUCT DETAIL (productos.html)
   ============================================ */
.product-detail {
  background: var(--color-bg);
}
.product-detail--alt {
  background: var(--color-bg-alt);
}

.product-detail__header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}
.product-detail__icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: rgba(0, 128, 181, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 1.75rem;
  color: var(--color-primary);
}
.product-detail__header h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-dark);
}

.product-detail__intro {
  max-width: 720px;
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  line-height: 1.7;
}

.product-detail__cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-2xl);
  flex-wrap: wrap;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3xl);
  text-align: left;
}

.feature-item:nth-child(even) {
  flex-direction: row-reverse;
}

.feature-item__image {
  flex: 1.2;
  display: flex;
  justify-content: center;
  position: relative;
}

.feature-item__image::after {
  content: '';
  position: absolute;
  width: 90%;
  height: 90%;
  background: radial-gradient(circle, rgba(41, 151, 255, 0.15) 0%, transparent 70%);
  z-index: 0;
  filter: blur(80px);
  pointer-events: none;
}

.feature-item:nth-child(even) .feature-item__image::after {
  background: radial-gradient(circle, rgba(168, 85, 247, 0.1) 0%, transparent 70%);
}

.feature-item__image img {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  height: auto;
  border-radius: 0;
  position: relative;
  z-index: 1;
}

.feature-item__content {
  flex: 1;
}

.feature-item__title {
  font-size: var(--font-size-3xl);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
  line-height: 1.2;
}

.feature-item__text {
  font-size: var(--font-size-xl);
  color: var(--color-text-light);
  line-height: 1.5;
  text-align: left;
}

@media (max-width: 768px) {
  .feature-item, 
  .feature-item:nth-child(even) {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }
  
  .feature-item__text {
    text-align: center;
  }
}

/* ============================================
   FEATURES (index) — 3-column cards, dark bg
   ============================================ */
.features {
  background: var(--color-bg-alt);
  color: var(--color-text);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}
.features .section-title {
  color: var(--color-dark);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-size: var(--font-size-4xl);
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: var(--spacing-xl) auto 0;
}

.feature-card {
  text-align: left;
  background: transparent;
  border: none;
  padding: 0;
  border-radius: 0;
  box-shadow: none;
}
.feature-card:hover {
  transform: none;
  box-shadow: none;
}
.feature-card__img {
  width: 100%;
  height: auto;
  object-fit: contain;
  margin-bottom: var(--spacing-md);
  border-radius: var(--radius-md);
}
.feature-card__title {
  font-size: var(--font-size-lg);
  font-weight: 400;
  text-transform: uppercase;
  color: var(--color-white);
  margin: 0 0 var(--spacing-sm) 0;
}
.feature-card__text {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
  margin: 0;
}

@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .features__grid { grid-template-columns: 1fr; }
}

/* ============================================
   SERVICE DETAIL (servicios.html)
   ============================================ */
.services-detail {
  background: var(--color-bg);
}

.service-detail-card {
  display: flex;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  align-items: flex-start;
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-detail-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.service-detail-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(0, 128, 181, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.service-detail-card__content h2 {
  font-size: var(--font-size-xl);
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}
.service-detail-card__content p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}
.service-detail-card__content ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xs);
}
.service-detail-card__content li {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.service-detail-card__content li i {
  color: var(--color-primary);
  font-size: 0.75rem;
}

@media (max-width: 768px) {
  .service-detail-card {
    flex-direction: column;
  }
  .service-detail-card__content ul {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   FAQ (faq.html)
   ============================================ */
.faq-section {
  background: var(--color-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-category {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-border);
}
.faq-category:first-child {
  margin-top: 0;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}
.faq-item summary {
  padding: var(--spacing-md);
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background var(--transition);
}
.faq-item summary:hover {
  background: var(--color-bg-alt);
}
.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform var(--transition);
}
.faq-item[open] summary::after {
  content: '−';
}
.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item__answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-light);
  line-height: 1.7;
}
.faq-item__answer a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ============================================
   PRICING (precios.html)
   ============================================ */
.pricing {
  background: white;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  align-items: start;
}

.pricing-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
}
.pricing-card--featured:hover {
  transform: scale(1.04) translateY(-4px);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pricing-card__header h3 {
  font-size: var(--font-size-xl);
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}
.pricing-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.pricing-card__price {
  margin-bottom: var(--spacing-lg);
}
.pricing-card__amount {
  font-size: var(--font-size-4xl);
  font-weight: 400;
  color: var(--color-dark);
}
.pricing-card__period {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--spacing-lg);
}
.pricing-card__features li {
  padding: 0.5rem 0;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.pricing-card__features li:last-child {
  border-bottom: none;
}
.pricing-card__features li i {
  color: var(--color-primary);
  font-size: 0.75rem;
}
.pricing-card__features li.disabled {
  color: var(--color-text-light);
  opacity: 0.6;
}
.pricing-card__features li.disabled i {
  color: var(--color-text-light);
}

.pricing__note {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
  .pricing-card--featured {
    transform: none;
  }
  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

/* ============================================
   CONTACT PAGE EXTRAS
   ============================================ */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}
@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-alt);
  color: var(--color-dark);
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 128, 181, 0.15);
}

.contact-info h3 {
  font-size: var(--font-size-xl);
  color: var(--color-dark);
  margin-bottom: var(--spacing-lg);
}

.contact-info__social {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}
.contact-info__social h4 {
  font-size: var(--font-size-sm);
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}
.contact-info__social .footer__social a {
  background: rgba(0, 128, 181, 0.1);
  color: var(--color-primary);
}
.contact-info__social .footer__social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
}