/* Estilos para Altar Digital - Ofrenda a Pioneros de la Tecnología */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Georgia", "Times New Roman", serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: #f5f5f5;
  min-height: 100vh;
  padding: 20px;
  position: relative;
  overflow-x: hidden;
}

/* Efecto de velas flotantes en el fondo */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle at 20% 30%, rgba(255, 183, 77, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255, 152, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 193, 7, 0.05) 0%, transparent 50%);
  animation: candleGlow 4s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes candleGlow {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

header {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(180deg, rgba(255, 152, 0, 0.2) 0%, rgba(255, 183, 77, 0.1) 100%);
  border-radius: 20px;
  margin-bottom: 50px;
  box-shadow: 0 10px 40px rgba(255, 152, 0, 0.3);
  position: relative;
  z-index: 1;
  border: 2px solid rgba(255, 183, 77, 0.3);
}

header h1 {
  font-size: 3.5rem;
  color: #ffb74d;
  text-shadow: 0 0 20px rgba(255, 152, 0, 0.8), 0 0 40px rgba(255, 183, 77, 0.5);
  margin-bottom: 15px;
  font-weight: bold;
  letter-spacing: 2px;
  animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
  0%,
  100% {
    text-shadow: 0 0 20px rgba(255, 152, 0, 0.8), 0 0 40px rgba(255, 183, 77, 0.5);
  }
  50% {
    text-shadow: 0 0 30px rgba(255, 152, 0, 1), 0 0 60px rgba(255, 183, 77, 0.8);
  }
}

header h2 {
  font-size: 1.5rem;
  color: #ffd54f;
  font-style: italic;
  font-weight: normal;
}

main {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 20px;
}

article {
  background: linear-gradient(145deg, rgba(30, 30, 60, 0.9) 0%, rgba(20, 20, 40, 0.95) 100%);
  border: 3px solid rgba(255, 183, 77, 0.4);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Efecto de luz de vela en cada tarjeta */
article::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 183, 77, 0.15) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

article:hover::before {
  opacity: 1;
  animation: candleFlicker 2s ease-in-out infinite;
}

@keyframes candleFlicker {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  25% {
    transform: translate(5px, -5px) scale(1.05);
  }
  50% {
    transform: translate(-5px, 5px) scale(0.95);
  }
  75% {
    transform: translate(5px, 5px) scale(1.02);
  }
}

article:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(255, 183, 77, 0.8);
  box-shadow: 0 15px 50px rgba(255, 152, 0, 0.4), 0 0 30px rgba(255, 183, 77, 0.3);
}

article h3 {
  font-size: 2rem;
  color: #ffb74d;
  margin-bottom: 10px;
  text-shadow: 0 0 10px rgba(255, 152, 0, 0.5);
  position: relative;
  z-index: 1;
}

article p:first-of-type {
  font-size: 1.1rem;
  color: #ffd54f;
  font-style: italic;
  margin-bottom: 15px;
  position: relative;
  z-index: 1;
}

article p:last-of-type {
  font-size: 1rem;
  color: #e0e0e0;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

footer {
  text-align: center;
  padding: 40px 20px;
  margin-top: 60px;
  background: linear-gradient(180deg, rgba(255, 183, 77, 0.1) 0%, rgba(255, 152, 0, 0.2) 100%);
  border-radius: 15px;
  position: relative;
  z-index: 1;
  border: 2px solid rgba(255, 183, 77, 0.2);
}

footer p {
  font-size: 1.2rem;
  color: #ffb74d;
  font-style: italic;
  text-shadow: 0 0 10px rgba(255, 152, 0, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  header h1 {
    font-size: 2.5rem;
  }

  header h2 {
    font-size: 1.2rem;
  }

  section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  article h3 {
    font-size: 1.5rem;
  }
}

/* Animación de entrada para las tarjetas */
article {
  animation: fadeInUp 0.8s ease-out backwards;
}

article:nth-child(1) {
  animation-delay: 0.1s;
}
article:nth-child(2) {
  animation-delay: 0.2s;
}
article:nth-child(3) {
  animation-delay: 0.3s;
}
article:nth-child(4) {
  animation-delay: 0.4s;
}
article:nth-child(5) {
  animation-delay: 0.5s;
}
article:nth-child(6) {
  animation-delay: 0.6s;
}
article:nth-child(7) {
  animation-delay: 0.7s;
}

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