/* =====================================================
   ESTILOS ESPECÍFICOS PARA COMO-CONTRIBUIR.HTML
   ===================================================== */

/* =====================================================
   HERO SECTION ESPECÍFICO
   ===================================================== */
.contribute-hero {
  background: linear-gradient(135deg, var(--accent-blue) 0%, #0550ae 100%);
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.contribute-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
  animation: dotsMove 30s linear infinite;
}

@keyframes dotsMove {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-20px, -20px);
  }
}

/* =====================================================
   SECCIÓN DE PASOS
   ===================================================== */
.contribute-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.contribute-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.steps-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.step {
  display: flex;
  gap: var(--spacing-xl);
  align-items: flex-start;
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-medium);
  border: 1px solid var(--github-border);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent-blue), var(--github-red));
}

.step:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-large);
}

.step-number {
  background: linear-gradient(135deg, var(--accent-blue), var(--github-red));
  color: var(--white);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: var(--shadow-medium);
  position: relative;
}

.step-number::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(135deg, var(--accent-blue), var(--github-red));
  border-radius: 50%;
  z-index: -1;
  opacity: 0.2;
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.step-content h3 i {
  color: var(--accent-blue);
  font-size: var(--text-lg);
}

.step-content p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

/* =====================================================
   CAJAS DE INFORMACIÓN
   ===================================================== */
.info-box {
  background: linear-gradient(135deg, var(--github-light-gray), #f0f9ff);
  border: 1px solid var(--accent-blue);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-lg);
  position: relative;
}

.info-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--accent-blue), var(--github-red));
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.info-box h4 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
}

.info-box h4 i {
  color: var(--accent-blue);
}

.info-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.info-box li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.info-box li::before {
  content: "•";
  color: var(--accent-blue);
  font-weight: bold;
  font-size: var(--text-lg);
}

.info-box strong {
  color: var(--text-primary);
  font-weight: 600;
}

.info-box.warning {
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.1),
    rgba(245, 158, 11, 0.1)
  );
  border-left: 4px solid var(--accent-yellow);
  border-color: var(--accent-yellow);
}

.info-box.warning::before {
  background: var(--accent-yellow);
}

.info-box.warning h4 i {
  color: var(--accent-yellow);
}

.info-box.warning li::before {
  color: var(--accent-yellow);
}

.info-box.success {
  background: linear-gradient(
    135deg,
    rgba(34, 197, 94, 0.1),
    rgba(22, 163, 74, 0.1)
  );
  border-left: 4px solid var(--github-green);
  border-color: var(--github-green);
}

.info-box.success::before {
  background: var(--github-green);
}

.info-box.success h4 i {
  color: var(--github-green);
}

.info-box.success li::before {
  color: var(--github-green);
}

/* =====================================================
   IMÁGENES DE LA GUÍA PASO A PASO
   ===================================================== */
.step-image {
  margin: var(--spacing-lg) 0;
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.step-image:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.guide-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius-large);
  transition: transform 0.3s ease;
}

.step-image:hover .guide-image {
  transform: scale(1.02);
}

/* Overlay para mejor legibilidad */
.step-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.05),
    rgba(16, 185, 129, 0.05)
  );
  opacity: 0;
  transition: opacity 0.3s ease;
  border-radius: var(--border-radius-large);
}

.step-image:hover::before {
  opacity: 1;
}

/* Responsive para imágenes */
@media (max-width: 768px) {
  .step-image {
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius);
  }

  .guide-image {
    border-radius: var(--border-radius);
  }
}

/* =====================================================
   SECCIÓN DE VALIDACIONES
   ===================================================== */
.validation-section {
  padding: var(--spacing-3xl) 0;
  background: var(--github-light-gray);
}

.validation-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.validation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.validation-item {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--github-border);
  text-align: center;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.validation-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-green);
}

.validation-item:nth-child(2)::before {
  background: var(--accent-blue);
}

.validation-item:nth-child(3)::before {
  background: var(--accent-yellow);
}

.validation-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

.validation-icon {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg) auto;
  font-size: var(--text-xl);
  position: relative;
}

.validation-icon::before {
  content: "";
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background: inherit;
  opacity: 0.2;
  z-index: -1;
}

.validation-icon.success {
  background: var(--accent-green);
  color: var(--white);
}

.validation-icon.info {
  background: var(--accent-blue);
  color: var(--white);
}

.validation-icon.warning {
  background: var(--accent-yellow);
  color: var(--white);
}

.validation-item h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
  font-size: var(--text-xl);
  font-weight: 600;
}

.validation-item p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* =====================================================
   SECCIÓN DE EJEMPLOS
   ===================================================== */
.examples-section {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.examples-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.example-item {
  background: var(--white);
  border: 1px solid var(--github-border);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: var(--transition);
}

.example-item:hover {
  box-shadow: var(--shadow-large);
  transform: translateY(-4px);
}

.example-item h3 {
  padding: var(--spacing-lg);
  margin: 0;
  font-size: var(--text-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  border-bottom: 1px solid var(--github-border);
  background: var(--github-light-gray);
  font-weight: 600;
}

.example-item:first-child h3 {
  background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
  color: var(--accent-green);
}

.example-item:last-child h3 {
  background: linear-gradient(135deg, #fef2f2, #fef7f7);
  color: var(--accent-red);
}

.example-item .code-example {
  margin: 0;
  border-radius: 0;
}

.error-list {
  padding: var(--spacing-lg);
}

.error-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--github-border);
}

.error-item:last-child {
  border-bottom: none;
}

.error-item i {
  color: var(--accent-red);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/* =====================================================
   ANIMACIONES ESPECÍFICAS
   ===================================================== */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.step {
  animation: slideInLeft 0.6s ease forwards;
}

.step:nth-child(1) {
  animation-delay: 0.1s;
}
.step:nth-child(2) {
  animation-delay: 0.2s;
}
.step:nth-child(3) {
  animation-delay: 0.3s;
}
.step:nth-child(4) {
  animation-delay: 0.4s;
}

.validation-item {
  animation: fadeInUp 0.6s ease forwards;
}

.validation-item:nth-child(1) {
  animation-delay: 0.2s;
}
.validation-item:nth-child(2) {
  animation-delay: 0.4s;
}
.validation-item:nth-child(3) {
  animation-delay: 0.6s;
}

/* =====================================================
   RESPONSIVE DESIGN ESPECÍFICO
   ===================================================== */
@media (max-width: 768px) {
  .step {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .step-number {
    align-self: center;
  }

  .validation-grid {
    grid-template-columns: 1fr;
  }

  .examples-grid {
    grid-template-columns: 1fr;
  }

  .validation-item {
    padding: var(--spacing-lg);
  }

  .info-box {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .contribute-section {
    padding: var(--spacing-2xl) 0;
  }

  .step {
    padding: var(--spacing-lg);
  }

  .step-content h3 {
    font-size: var(--text-lg);
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
  }

  .validation-icon {
    width: 60px;
    height: 60px;
    font-size: var(--text-lg);
  }

  .example-item h3 {
    padding: var(--spacing-md);
    font-size: var(--text-base);
  }

  .error-list {
    padding: var(--spacing-md);
  }
}