/* Variables globales */
:root {
    --celest-primary: #00ffff; /* Color aqua */
    --celest-dark: #121212;
    --celest-light: #ffffff;
    --celest-accent: #9900ff; /* Color complementario para acentos */
    --celest-gradient: linear-gradient(135deg, #00ffff, #9900ff);
    --celest-shadow: 0 4px 20px rgba(0, 255, 255, 0.4);
    --darklinear: linear-gradient(135deg, #00292c, #000a0a);

}

/* Estilos principales de la sección */
#presentacion-celest {
    position: relative;
    padding: 80px 20px;
    overflow: hidden;
    font-family: "Chakra Petch", sans-serif;
    color: var(--celest-light);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Contenedor del fondo */
.background-celest-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* Imagen de fondo */
.background-celest {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(30%) contrast(1.2) saturate(1.2);
    animation: pulse 10s infinite alternate;
    pointer-events: none;
}

/* Contenedor principal */
#contenedor-celest {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

/* Título con efecto neón */
#titulo-celest {
    font-size: 3.5em;
    color: var(--celest-light);
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 15px 30px;
    margin-bottom: 60px;
    font-family: "Chakra Petch", sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
    box-shadow: 0 0 10px var(--celest-primary), 0 0 20px var(--celest-primary);
    border: 2px solid var(--celest-primary);
    text-shadow: 0 0 5px var(--celest-primary), 0 0 10px var(--celest-primary);
    animation: neon 1.5s infinite alternate;
}

/* Contenedor de tarjetas */
.celest-cards-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
}

/* Estilo de las tarjetas */
.celest-card {
    background: rgba(18, 18, 18, 0.8);
    border-radius: 15px;
    padding: 30px;
    width: 340px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 255, 0.1);
    overflow: hidden;
    position: relative;
}

.celest-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--celest-shadow);
    border-color: var(--celest-primary);
}

.celest-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--celest-gradient);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.celest-card:hover::before {
    transform: scaleX(1);
}

/* Íconos en tarjetas */
.card-icon {
    font-size: 2.5em;
    color: var(--celest-primary);
    margin-bottom: 20px;
    height: 60px;
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.celest-card:hover .card-icon {
    transform: rotateY(360deg);
    background: var(--celest-primary);
    color: var(--celest-dark);
}

/* Títulos de tarjetas */
.celest-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--celest-primary);
    font-weight: 600;
}

/* Texto en tarjetas */
.celest-card p {
    font-size: 1em;
    line-height: 1.6;
    color: #e0e0e0;
}

/* Botón de llamada a la acción */
.celest-cta {
    margin-top: 20px;
}

.celest-btn {
    display: inline-block;
    padding: 15px 30px;
    background: var(--darklinear);
    color: var(--celest-light);
    font-family: "Chakra Petch", sans-serif;
    font-size: 1.2em;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.celest-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #9900ff, #00ffff);
    z-index: -1;
    transition: transform 0.5s ease;
    transform: scaleX(0);
    transform-origin: right;
}

.celest-btn:hover {
    box-shadow: 0 6px 20px rgba(0, 255, 255, 0.6);
    transform: translateY(-3px);
}

.celest-btn:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* Animaciones */
@keyframes neon {
    from {
        box-shadow: 0 0 10px var(--celest-primary), 0 0 20px var(--celest-primary);
        text-shadow: 0 0 5px var(--celest-primary), 0 0 10px var(--celest-primary);
    }
    to {
        box-shadow: 0 0 15px var(--celest-primary), 0 0 30px var(--celest-primary), 0 0 45px var(--celest-primary);
        text-shadow: 0 0 10px var(--celest-primary), 0 0 20px var(--celest-primary), 0 0 30px var(--celest-primary);
    }
}

@keyframes pulse {
    0% {
        filter: brightness(30%) contrast(1.2) saturate(1.2);
    }
    100% {
        filter: brightness(35%) contrast(1.3) saturate(1.3);
    }
}

/* Responsive */
@media screen and (max-width: 1100px) {
    .celest-cards-container {
        gap: 20px;
    }
    
    .celest-card {
        width: 300px;
    }
}

@media screen and (max-width: 992px) {
    #titulo-celest {
        font-size: 2.5em;
    }
    
    .celest-cards-container {
        flex-direction: column;
        align-items: center;
    }
    
    .celest-card {
        width: 100%;
        max-width: 500px;
    }
}

@media screen and (max-width: 576px) {
    #presentacion-celest {
        padding: 60px 15px;
    }
    
    #titulo-celest {
        font-size: 2em;
        padding: 10px 20px;
    }
    
    .celest-btn {
        padding: 12px 25px;
        font-size: 1em;
    }
}