/* Estilos para transiciones suaves entre páginas */

/* Animaciones de entrada y salida */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-transition.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Efecto de fade out al salir */
.page-exit {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Loading spinner para transiciones */
.page-loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page-loading.active {
    opacity: 1;
    visibility: visible;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animaciones específicas para elementos de página */
.hero {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.2s forwards;
}

.section-title {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease 0.4s forwards;
}

.feature-card,
.course-card,
.principle-card,
.teacher-card,
.tool-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

/* Staggered animation para tarjetas */
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }

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

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animación para el navbar */
.navbar {
    opacity: 0;
    transform: translateY(-20px);
    animation: slideDown 0.6s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Efecto de parallax suave */
.parallax-element {
    transition: transform 0.1s ease-out;
}

/* Animaciones para formularios */
.form-group {
    opacity: 0;
    transform: translateX(-20px);
    animation: slideInLeft 0.6s ease forwards;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Animaciones para timeline */
.step-item {
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInLeft 0.8s ease forwards;
}

.step-item:nth-child(1) { animation-delay: 0.1s; }
.step-item:nth-child(2) { animation-delay: 0.3s; }
.step-item:nth-child(3) { animation-delay: 0.5s; }
.step-item:nth-child(4) { animation-delay: 0.7s; }
.step-item:nth-child(5) { animation-delay: 0.9s; }

/* Efecto ripple para botones */
.btn {
    position: relative;
    overflow: hidden;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    pointer-events: none;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Mejoras adicionales para transiciones */
.page-transition {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-transition.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Efecto de fade out al salir */
.page-exit {
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* Responsive animations */
@media (max-width: 768px) {
    .hero {
        animation-delay: 0.1s;
    }
    
    .section-title {
        animation-delay: 0.2s;
    }
    
    .feature-card,
    .course-card,
    .principle-card,
    .teacher-card,
    .tool-card {
        animation-delay: 0.1s;
    }
    
    .form-group {
        animation-delay: 0.1s;
    }
}