/* ESTILOS PARA "/" */

.introduction-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-image: url('/img/backgroundInit.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    /* CAMBIO: Esto se controlará con JS para el parallax */
    color: var(--color-text-on-dark);
    text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.6);
    text-align: center;
    padding: 30px 40px;
    margin-bottom: 150px;
    will-change: background-position;

    /* CAMBIO: Optimización para el rendimiento de la animación */
}

.introduction-container h1 {
    font-size: 10em;
    font-weight: 700;
    margin: 0;
    line-height: 1.1;
    color: var(--color-text-on-dark);
    max-width: 900px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.introduction-container p {
    font-size: 2.5em;
    text-transform: uppercase;
    font-weight: 500;
    margin-top: 20px;
    color: var(--color-text-on-dark);
    max-width: 800px;
}

.some-info {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 0 auto 150px auto;
    padding: 80px 60px;
    background-color: var(--color-background-card);
    border-radius: var(--border-radius-base);
    box-shadow: var(--box-shadow-subtle);
    max-width: 1000px;
    border: 1px solid var(--color-border);
    box-sizing: border-box;
}

.some-info h2 {
    text-align: center;
    font-weight: 700;
    font-size: 3em;
    color: var(--color-accent);
    margin-bottom: 30px;
}

.some-info p {
    font-weight: 400;
    font-size: 1.25em;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    color: var(--color-primary-text);
}

.carrousel {
    width: 100vw;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    box-sizing: border-box;

    height: auto;
    background-color: var(--color-background-dark);
    color: var(--color-text-on-dark);
    text-align: center;
    padding: 80px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 50px;
    margin-bottom: 150px;
}

.carrousel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 1000px;
    margin-bottom: 20px;
    padding: 0 20px;
}

.carrousel-header h1 {
    font-size: 3.5em;
    font-weight: 700;
    color: var(--color-text-on-dark);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.carrousel-header a {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1em;
    transition: 0.2s ease;
}
.carrousel-header button {
    border: solid white 2px;
    background-color: var(--color-background-dark);
    color: white;
    width: 500px;
    height: 50px;
    border-radius: 40px;
    font-weight: 500;
    transition: 0.15s ease-in;
}

.carrousel-header button:hover {
    background-color: white;
    color:black;
}


.carrousel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 40px;
}

.article-carrousel {
    width: 350px;
    height: 450px;
    border: 1px solid var(--color-border);
    background-color: var(--color-background-card);
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.title-article-carrousel {
    width: 100%;
    height: 100%;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    border-radius: 0 0 var(--border-radius-base) var(--border-radius-base);
    transition: opacity 0.2s ease, background-color 0.2s ease;
    text-align: center;
    box-sizing: border-box;
}


.title-article-carrousel h2 {
    color: white;
    font-size: 2em;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color 0.2s ease;
}

/* ESTILOS DE HOVER PARA LA TARJETA (VERDE) */
.article-carrousel:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
    border-color: var(--color-accent-light);
}

.article-carrousel:hover .title-article-carrousel {
    opacity: 1;
    background-color: rgba(255, 255, 255, 0.95);
}

.article-carrousel:hover .title-article-carrousel h2 {
    color: var(--color-primary-text);
}

.article-carrousel:hover .title-article-carrousel p {
    color: var(--color-secondary-text);
}

.carrousel-text {
    font-weight: 500;
    font-size: 1.25em;
    line-height: 1.8;
    color: var(--color-text-on-dark);
    max-width: 800px;
    text-align: center;
    margin-top: 20px;
}


/* ANIMACIONES */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animar-al-ver {
    opacity: 0;
    transform: translateY(20px);
    transition-property: opacity, transform;
    transition-duration: 0.5s;
    transition-timing-function: ease;
    transition-delay: 0s;
}

.animar-visible {
    opacity: 1;
    transform: translateY(0);
}

.animar-al-ver:hover {
    transition-duration: 0.15s !important;
    transition-delay: 0s !important;
    transform: scale(1.02);
    opacity: 1;
}

.animar-al-ver.animar-visible {
    transition-duration: 0.5s;
    transition-delay: var(--delay, 0s);
}

.animar-al-ver.animar-visible:hover {
    transition-duration: 0.15s !important;
    transition-delay: 0s !important;
    transform: scale(1.02);
}


/* Responsive Design para el contenido principal del Index */
@media (max-width: 1200px) {
    .introduction-container {
        padding: 30px;
    }


    .introduction-container h1 {
        font-size: 5em;
    }

    .introduction-container p {
        font-size: 2.2em;
    }

    .some-info {
        padding: 60px;
        margin-bottom: 120px;
    }

    .some-info h2 {
        font-size: 2.8em;
    }

    .some-info p {
        font-size: 1.15em;
    }

    .carrousel {
        padding: 60px 30px;
        gap: 40px;
        margin-bottom: 120px;
    }


    .carrousel-header h1 {
        font-size: 3em;
    }

    .article-carrousel {
        width: 320px;
        height: 420px;
    }

    .carrousel-header button{
        width: 800px;
    }

    .title-article-carrousel {
        padding: 15px;
    }

    .title-article-carrousel h2 {
        font-size: 1.4em;
    }

    .title-article-carrousel p {
        font-size: 0.95em;
    }

    .carrousel-header a {
        font-size: 1.3em;
    }


    .carrousel-text {
        font-size: 1.15em;
    }
}

@media (max-width: 1024px) {
    .introduction-container {
        height: 80vh;
        padding: 20px;
        margin-bottom: 100px;
    }

    .introduction-container h1 {
        font-size: 4em;
    }

    .introduction-container p {
        font-size: 1.8em;
    }

    .some-info {
        padding: 50px;
        margin-bottom: 100px;
    }

    .some-info h2 {
        font-size: 2.2em;
    }

    .some-info p {
        font-size: 1.05em;
    }

    .carrousel {
        padding: 50px 20px;
        gap: 30px;
        margin-bottom: 100px;
    }

    .carrousel-header h1 {
        font-size: 2.5em;
    }

    .carrousel-header button{
        width: 300px;
    }

    .article-carrousel {
        width: 280px;
        height: 380px;
    }

    .carrousel-header {
        flex-direction: column;
        gap: 15px;
        padding: 0 10px;
    }

    .carrousel-header a {
        font-size: 1.2em;
    }

    .carrousel-text {
        font-size: 1.1em;
    }
}

@media (max-width: 768px) {
    .introduction-container {
        height: 60vh;
        padding: 15px 20px;
        margin-bottom: 80px;
    }

    .introduction-container h1 {
        font-size: 2.8em;
    }

    .introduction-container p {
        font-size: 1.4em;
    }

    .some-info {
        margin: 0 15px 80px 15px;
        padding: 30px;
    }

    .some-info h2 {
        font-size: 1.8em;
    }

    .some-info p {
        font-size: 0.95em;
    }

    .carrousel {
        padding: 40px 15px;
        gap: 30px;
        margin-bottom: 80px;
    }

    .carrousel-header button{
        width: 200px;
    }

    .carrousel-header h1 {
        font-size: 1.8em;
    }

    .carrousel ul {
        flex-direction: column;
        gap: 20px;
    }

    .article-carrousel {
        width: 90%;
        max-width: 300px;
        height: 350px;
    }

    .carrousel-header {
        padding: 0 15px;
    }

    .carrousel-text {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .introduction-container {
        padding: 10px 15px;
    }

    .carrousel {
        padding: 30px 15px;
    }

    .introduction-container h1 {
        font-size: 2.2em;
    }

    .introduction-container p {
        font-size: 1.1em;
    }

    .some-info h2 {
        font-size: 1.5em;
    }

    .carrousel-header h1 {
        font-size: 1.5em;
    }

    .article-carrousel {
        height: 300px;
    }
}