/* Variables CSS para un manejo limpio de colores y fuentes */
:root {
    --color-primary: #0077b6; /* Un azul profesional */
    --color-text: #333;
    --color-bg: #f7f9fc; /* Fondo muy claro */
    --color-card-bg: #fff;
    --color-shadow: rgba(0, 0, 0, 0.05);
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Base y Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    padding-bottom: 50px; /* Espacio al final */
    overflow-x: hidden; /* Previene scroll horizontal por animaciones de entrada */
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Encabezado del Perfil (Header) */
.profile-header {
    background-color: var(--color-card-bg);
    padding: 40px 0;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px var(--color-shadow);
}

.header-content {
    display: flex;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.profile-picture {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5em;
    font-weight: bold;
    margin-right: 30px;
    flex-shrink: 0;
}

.header-info .name {
    font-size: 2.2em;
    margin-bottom: 5px;
    color: #222;
}

.header-info .title {
    font-size: 1.1em;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 10px;
}

.header-info .location {
    font-size: 0.9em;
    color: #666;
}

/* Secciones de Contenido (Cards) */
.section-card {
    background-color: var(--color-card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--color-shadow);
    margin-bottom: 25px;
    opacity: 0.5; /* Nivel tenue por defecto; animaciones lo llevarán a 1 */
    transform: translateY(0); /* base para animaciones */
    transition: opacity 360ms ease, transform 360ms ease; /* transición para fallback */
}

.section-title {
    font-size: 1.6em;
    color: var(--color-primary);
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

/* Estilos de Aptitudes (Skills) */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-tag {
    background-color: #e9f5ff;
    color: var(--color-primary);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease; /* Transición suave para microacción */
}

.skill-tag:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-3px) scale(1.05); /* Microacción: ligero levantamiento */
}

/* Estilos de Experiencia */
.experience-item {
    border-left: 4px solid #ccc;
    padding-left: 20px;
    margin-bottom: 25px;
    transition: border-color 0.3s ease;
}

.experience-item.highlight {
    border-left-color: var(--color-primary);
}

.experience-item h4 {
    font-size: 1.1em;
    color: #222;
    margin-bottom: 5px;
}

.experience-item .company, .experience-item .duration {
    font-size: 0.9em;
    color: #777;
    margin-bottom: 5px;
}

.aptitudes-list .aptitude {
    display: inline-block;
    background-color: #eee;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8em;
    margin-right: 5px;
    margin-top: 5px;
}

/* Responsividad */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .profile-picture {
        margin: 0 0 20px 0;
    }

    .header-info .name {
        font-size: 1.8em;
    }

    .header-info .title {
        font-size: 1em;
    }
    
    .section-card {
        padding: 20px;
    }
}