/* Components - Componentes reutilizables */

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-hero {
    background-color: var(--color-text-light);
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    padding: var(--spacing-lg) var(--spacing-2xl);
}

.btn-hero:hover {
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: var(--font-size-xl);
}

.btn-outline {
    background-color: transparent;
    border-color: currentColor;
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

/* Info Cards */
.info-card {
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.info-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--spacing-xl);
}

.card-date {
    display: inline-block;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.card-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast);
}

.card-link:hover {
    color: var(--color-primary-dark);
}

/* Course Cards */
.course-card {
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-left: 4px solid var(--color-primary);
}

.course-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-lg);
}

.course-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.course-professor {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

.course-institution {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.course-icon {
    font-size: var(--font-size-4xl);
    opacity: 0.2;
}

.course-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* Alert boxes */
.alert {
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid;
}

.alert-info {
    background-color: rgba(52, 152, 219, 0.1);
    border-color: var(--color-info);
    color: var(--color-info);
}

.alert-success {
    background-color: rgba(39, 174, 96, 0.1);
    border-color: var(--color-success);
    color: var(--color-success);
}

.alert-warning {
    background-color: rgba(243, 156, 18, 0.1);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

/* Badge */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--border-radius-full);
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

/* Form elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    border: 2px solid #E0E0E0;
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Divider */
.divider {
    height: 1px;
    background-color: #E0E0E0;
    margin: var(--spacing-2xl) 0;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-5px);
}

/* Committee Cards */
.committee-section {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-bg-secondary);
}

.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl); /* Antes era 2xl */
    margin-top: var(--spacing-xl); /* Antes era 3xl */
}

.committee-card {
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.committee-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.committee-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-lg);
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--color-primary);
}

.committee-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: var(--color-text-light);
    font-size: 3rem;
}

.committee-name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.committee-role {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.committee-institution {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.committee-email {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.committee-email:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}


/* --- BOTÓN ANIMADO TIPO UIVERSE (Adaptado) --- */
.btn-animate {
  height: 55px;
  width: 200px; /* Un poco más ancho para que quepa el texto */
  border: none;
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.5s ease-in-out;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  /* Para centrarlo si está en un div flex */
  display: inline-block; 
}

.btn-animate:hover {
  box-shadow: 0 4px 25px rgba(52, 152, 219, 0.6); /* Resplandor azul al hover */
}

.btn-type1::after {
  content: "¡INSCRÍBETE!"; /* Texto al pasar el mouse */
  height: 55px;
  width: 100%; /* Ocupa todo el ancho del botón */
  background-color: #2c3e50; /* Azul Oscuro de fondo */
  color: #fff; /* Texto blanco */
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(55px); /* Escondido abajo */
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s ease-in-out;
  letter-spacing: 1px;
}

.btn-type1::before {
  content: "EVEM 2026"; /* Texto normal */
  height: 55px;
  width: 100%;
  background-color: #fff; /* Fondo blanco */
  color: #2c3e50; /* Texto Azul Oscuro */
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(0px) scale(1.1);
  font-size: 1.3rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.5s ease-in-out;
}

.btn-type1:hover::after {
  transform: translateY(0) scale(1.1); /* Sube y aparece */
}

.btn-type1:hover::before {
  transform: translateY(-55px) scale(0) rotate(10deg); /* Se va girando hacia arriba */
}