/* ========================================
   Estilos específicos para index.html
   ======================================== */

/* Cards Grid */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.card {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--primary-50) 100%);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(22, 163, 74, 0.05) 0%, rgba(34, 197, 94, 0.05) 100%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
  opacity: 0.5;
  transition: all var(--transition-smooth);
}

.card:hover {
  box-shadow: var(--shadow-green);
  transform: translateY(-6px);
  border-color: var(--primary-200);
}

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

.card:hover::after {
  width: 120px;
  height: 120px;
  opacity: 0.8;
}

.card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.4rem;
  font-weight: 700;
  position: relative;
  z-index: 1;
  letter-spacing: -0.01em;
}

.card h3::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 40px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-full);
  transition: width var(--transition-smooth);
}

.card:hover h3::before {
  width: 60px;
}

.card p {
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  font-size: 0.975rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-smooth);
  border: none;
  cursor: pointer;
  text-decoration: none;
  gap: var(--spacing-sm);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-600) 100%);
  opacity: 0;
  transition: opacity var(--transition-smooth);
  z-index: -1;
}

.btn::after {
  content: '→';
  display: inline-block;
  margin-left: var(--spacing-xs);
  transition: transform var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-green);
}

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

.btn:hover::after {
  transform: translateX(4px);
}

.btn:active {
  transform: translateY(-1px);
}

/* Alertas */
.alert {
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  margin: var(--spacing-xl) 0;
  border: 2px solid;
  font-size: 0.975rem;
  line-height: 1.7;
  box-shadow: var(--shadow-md);
}

.alert strong {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.1rem;
}

.alert-info {
  background: var(--info-bg);
  border-color: var(--info);
  color: var(--info-text);
}

.alert-info strong {
  color: var(--info);
}

.alert-info strong::before {
  content: 'ℹ️ ';
}

.alert-info a {
  color: var(--info);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  transition: all var(--transition-fast);
}

.alert-info a:hover {
  color: var(--primary);
  text-decoration-color: var(--primary);
}

/* Responsivo */
@media (max-width: 768px) {
  .card-list {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}