/* ============================================
   FEATURES SECTION LAYOUT
   "Tu Cumbre" Timeline Section
   ============================================ */

.features {
  background: linear-gradient(180deg, #16213e 0%, #1a1a2e 100%);
  padding-top: var(--spacing-2xl);
  margin-top: -2px;
  position: relative;
  width: 100%;
  max-width: 100vw;
}

/* Header */
.features__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3rem;
}

.features__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #00d4ff;
  margin-bottom: 1rem;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.features__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* AI Visual Element (Central Icon) */
.features__ai-visual {
  position: relative;
  width: 280px;
  height: 280px;
  max-width: 90%;
  margin: 0 auto 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  animation: fadeInRobot 0.8s ease-out forwards;
  animation-delay: 1.5s;
}

.ai-visual__container {
  position: relative;
  width: 100%;
  height: 100%;
}

.ai-visual__main-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 140px;
  height: 140px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(102, 126, 234, 0.15));
  border-radius: 50%;
  border: 2px solid rgba(0, 212, 255, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.3), inset 0 0 30px rgba(0, 212, 255, 0.1);
  animation: ai-pulse 3s ease-in-out infinite;
}

.ai-visual__inner-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #00d4ff, #667eea);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.4);
}

.ai-visual__inner-circle i {
  font-size: 2.5rem;
  color: white;
  animation: none;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  margin: 0;
  padding: 0;
}

/* Orbiting Icons */
.ai-visual__orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: 50%;
}

.ai-visual__orbit--1 {
  animation: ai-orbit-rotate 8s linear infinite;
}

.ai-visual__orbit--2 {
  animation: ai-orbit-rotate 10s linear infinite reverse;
}

.ai-visual__orbit--3 {
  animation: ai-orbit-rotate 12s linear infinite;
}

.ai-visual__orbit-icon {
  position: absolute;
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(102, 126, 234, 0.2));
  border: 1px solid rgba(0, 212, 255, 0.4);
  border-radius: 50%;
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 0;
  margin: 0;
}

.ai-visual__orbit--1 .ai-visual__orbit-icon {
  top: -25px;
}

.ai-visual__orbit--2 .ai-visual__orbit-icon {
  top: 50%;
  left: calc(100% + 25px);
  transform: translate(-50%, -50%);
}

.ai-visual__orbit--3 .ai-visual__orbit-icon {
  top: calc(100% + 25px);
  left: 50%;
  transform: translate(-50%, -50%);
}

.ai-visual__orbit-icon i {
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  margin: 0;
  padding: 0;
}

/* Timeline Container */
.features__timeline {
  position: relative;
  max-width: 1100px;
  margin: 0 auto 4rem;
  padding: 2rem 0;
}

/* Central Vertical Line */
.features__timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, transparent 0%, #00d4ff 10%, #00d4ff 90%, transparent 100%);
  transform: translateX(-50%);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
  z-index: 1;
  animation: drawLine 1.5s ease-out forwards;
  transform-origin: top center;
}

/* Timeline Items */
.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  min-height: 200px;
}

.timeline-item--left .timeline-item__content {
  grid-column: 1;
  text-align: right;
  justify-self: end;
  max-width: 500px;
  width: 100%;
}

.timeline-item--right .timeline-item__content {
  grid-column: 2;
  text-align: left;
  justify-self: start;
  max-width: 500px;
  width: 100%;
}

/* Connector Lines */
.timeline-item__connector {
  position: absolute;
  top: 50%;
  height: 3px;
  z-index: 2;
  transform: translateY(-50%);
  animation: drawConnector 0.6s ease-out forwards;
  transform-origin: left center;
  opacity: 0;
}

.timeline-item--left .timeline-item__connector {
  right: 50%;
  width: 2rem;
  background: linear-gradient(90deg, #00d4ff, rgba(0, 212, 255, 0.3));
  transform-origin: right center;
}

.timeline-item--right .timeline-item__connector {
  left: 50%;
  width: 2rem;
  background: linear-gradient(90deg, #00d4ff, rgba(0, 212, 255, 0.3));
  transform-origin: left center;
}

.timeline-item:nth-child(1) .timeline-item__connector { animation-delay: 0.3s; }
.timeline-item:nth-child(2) .timeline-item__connector { animation-delay: 0.7s; }
.timeline-item:nth-child(3) .timeline-item__connector { animation-delay: 1.1s; }
.timeline-item:nth-child(4) .timeline-item__connector { animation-delay: 1.5s; }

/* Connector Dots */
.timeline-item__connector::before {
  content: '';
  position: absolute;
  top: 50%;
  width: 14px;
  height: 14px;
  background: #00d4ff;
  border: 3px solid #16213e;
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.8);
  animation: pulse-dot 2s ease-in-out infinite;
  z-index: 3;
  opacity: 0;
}

.timeline-item--left .timeline-item__connector::before { right: -7px; }
.timeline-item--right .timeline-item__connector::before { left: -7px; }

.timeline-item:nth-child(1) .timeline-item__connector::before {
  animation: pulse-dot 2s ease-in-out infinite, fadeInDot 0.4s ease-out forwards;
  animation-delay: 0s, 0.6s;
}
.timeline-item:nth-child(2) .timeline-item__connector::before {
  animation: pulse-dot 2s ease-in-out infinite, fadeInDot 0.4s ease-out forwards;
  animation-delay: 0s, 1s;
}
.timeline-item:nth-child(3) .timeline-item__connector::before {
  animation: pulse-dot 2s ease-in-out infinite, fadeInDot 0.4s ease-out forwards;
  animation-delay: 0s, 1.4s;
}
.timeline-item:nth-child(4) .timeline-item__connector::before {
  animation: pulse-dot 2s ease-in-out infinite, fadeInDot 0.4s ease-out forwards;
  animation-delay: 0s, 1.8s;
}

/* Timeline Content Cards */
.timeline-item__content {
  padding: 2rem;
  background: var(--card-bg-modern);
  backdrop-filter: blur(24px);
  border: 1px solid var(--card-border-modern);
  border-radius: 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: slideInCard 0.6s ease-out forwards;
}

.timeline-item:nth-child(1) .timeline-item__content { animation-delay: 0.6s; }
.timeline-item:nth-child(2) .timeline-item__content { animation-delay: 1s; }
.timeline-item:nth-child(3) .timeline-item__content { animation-delay: 1.4s; }
.timeline-item:nth-child(4) .timeline-item__content { animation-delay: 1.8s; }

.timeline-item--left .timeline-item__content { animation-name: slideInCardLeft; }
.timeline-item--right .timeline-item__content { animation-name: slideInCardRight; }

.timeline-item__content::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.timeline-item__content:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: rgba(0, 212, 255, 0.3);
  box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15), 0 8px 30px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.timeline-item__content:hover::before {
  opacity: 1;
}

/* Timeline Item Header */
.timeline-item__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.timeline-item--left .timeline-item__header { justify-content: flex-end; }
.timeline-item--right .timeline-item__header { justify-content: flex-start; }

.timeline-item__number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--neural-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  opacity: 0.9;
}

.timeline-item__icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00d4ff;
  transition: all 0.3s ease;
}

.timeline-item__content:hover .timeline-item__icon {
  background: rgba(0, 212, 255, 0.2);
  border-color: #00d4ff;
  transform: rotate(360deg) scale(1.1);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.timeline-item__icon svg {
  width: 24px;
  height: 24px;
}

.timeline-item__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.timeline-item__description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin: 0;
}

/* Footer - Modern Minimalist CTA Section */
.features__footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  text-align: center;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out forwards;
  animation-delay: 2.5s;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, rgba(102, 126, 234, 0.03) 100%);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 212, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.features__footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #00d4ff, transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.features__footer:hover {
  border-color: rgba(0, 212, 255, 0.25);
  box-shadow: 0 16px 48px rgba(0, 212, 255, 0.12);
  transform: translateY(-4px);
}

.features__footer:hover::before {
  opacity: 1;
}

.features__message {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.features__message strong {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  font-weight: 700;
  color: #00d4ff;
  display: block;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.features__cta {
  font-size: 1.0625rem;
  padding: 0.875rem 2.25rem;
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 24px rgba(0, 212, 255, 0.3);
}

.features__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(0, 212, 255, 0.5);
}

/* Show/hide button based on device */
.features__cta--mobile {
  display: none;
}

.features__cta--desktop {
  display: inline-block;
}


/* Animations */
@keyframes ai-pulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 40px rgba(0, 212, 255, 0.3), inset 0 0 30px rgba(0, 212, 255, 0.1);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.5), inset 0 0 40px rgba(0, 212, 255, 0.2);
  }
}

@keyframes ai-orbit-rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes drawLine {
  from {
    transform: translateX(-50%) scaleY(0);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) scaleY(1);
    opacity: 1;
  }
}

@keyframes drawConnector {
  from {
    transform: translateY(-50%) scaleX(0);
    opacity: 0;
  }
  to {
    transform: translateY(-50%) scaleX(1);
    opacity: 1;
  }
}

@keyframes fadeInDot {
  from {
    opacity: 0;
    transform: translateY(-50%) scale(0);
  }
  to {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
}

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

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

@keyframes fadeInRobot {
  from {
    opacity: 0;
    transform: scale(0.8) translateY(30px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .features__timeline {
    padding: 1rem 0;
  }

  .features__timeline::before {
    left: 20px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 3rem;
  }

  .timeline-item__content {
    grid-column: 1;
    text-align: left;
    justify-self: start;
    max-width: 100%;
  }

  .timeline-item__connector {
    left: 20px;
    width: 1.5rem;
    right: auto;
    transform-origin: left center;
  }

  .timeline-item--left .timeline-item__connector,
  .timeline-item--right .timeline-item__connector {
    left: 20px;
    right: auto;
    transform-origin: left center;
  }

  .timeline-item__connector::before {
    left: -7px;
    right: auto;
  }

  .timeline-item--left .timeline-item__connector::before,
  .timeline-item--right .timeline-item__connector::before {
    left: -7px;
    right: auto;
  }

  .timeline-item__header {
    justify-content: flex-start;
  }

  /* Forzar alineación izquierda para todas las cards en mobile */
  .timeline-item--left .timeline-item__header,
  .timeline-item--right .timeline-item__header {
    justify-content: flex-start;
  }

  .timeline-item--left .timeline-item__content,
  .timeline-item--right .timeline-item__content {
    text-align: left;
  }

  .timeline-item__title,
  .timeline-item__description {
    text-align: left;
  }

  .ai-visual__orbit-icon {
    width: 40px;
    height: 40px;
  }

  /* Footer responsive */
  .features__footer {
    padding: 2rem 1.5rem;
  }

  .features__message {
    font-size: 1rem;
    margin-bottom: 1.25rem;
  }

  .features__message strong {
    font-size: 1.25rem;
    margin-bottom: 0.375rem;
  }

  .features__cta {
    font-size: 0.9375rem;
    padding: 0.875rem 1.75rem;
    width: 100%;
    justify-content: center;
  }

  /* Show/hide calendar button based on device */
  .features__cta--mobile {
    display: inline-flex;
  }

  .features__cta--desktop {
    display: none;
  }
}