/* Variables y estilos generales */
:root {
    --primary-color: #2a7fe9;
    --text-light: #f5f5f5;
    --text-dark: #333;
    --bg-light: #fff;
    --bg-dark: #f0f0f0;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: lightblue;
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Estilos de la sección de proyectos */
.section.projects {
    padding: 60px 0;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #777;
    text-align: center;
    margin-bottom: 5px;
}

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 20px;
}

.section-text {
    font-size: 1rem;
    color: #555;
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.6;
}

.portfolio-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.portfolio-card {
    position: relative;
    display: block;
    height: 250px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 15px var(--shadow-color);
    transition: transform var(--transition-speed) ease-in-out, box-shadow var(--transition-speed) ease-in-out;
    background-size: cover;
    background-position: center;
    text-decoration: none;
}

/* Efecto de brillo al pasar el mouse */
.portfolio-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    border: 2px solid transparent;
    transition: border-color var(--transition-speed) ease-in-out;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.2);
}

.portfolio-card:hover::after {
    border-color: var(--primary-color);
}

/* Efecto de superposición (overlay) */
.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
    transition: background-color var(--transition-speed) ease-in-out;
}

.portfolio-card:hover::before {
    background-color: rgba(0, 0, 0, 0.6);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    color: var(--text-light);
    z-index: 1;
    transform: translateY(10px);
    opacity: 0;
    transition: transform var(--transition-speed) ease-in-out, opacity var(--transition-speed) ease-in-out;
}

.portfolio-card:hover .card-content {
    transform: translateY(0);
    opacity: 1;
}

.card-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 5px;
}

.h3 {
    margin: 0;
    font-size: 1.3rem;
}

.h3.card-title {
    color: var(--text-light);
}

.h3.card-title-black {
    color: var(--text-light);
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 1rem;
    font-weight: bold;
    color: var(--text-light);
    margin-top: 15px;
    transition: transform var(--transition-speed) ease-in-out;
}

.btn-link:hover {
    transform: translateX(5px);
}

/* Estilos de los iconos de Ionicon */
ion-icon {
    font-size: 1.2rem;
}

/* Media Queries para responsividad */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    .portfolio-list {
        grid-template-columns: 1fr;
    }
}