.banner {
    position: relative;
    width: 100%;
    height: 45vh;
    min-height: 320px;
    max-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--azul-dark) 0%,
        var(--azul) 100%
    );
}

.banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("./images/BANner Estantes Archivo Histórico.jpg")
        center/cover no-repeat;
    opacity: 0.3;
    z-index: 0;
}

.banner__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(11,61,145,0.6) 0%,
        rgba(0,134,172,0.4) 100%
    );
    z-index: 1;
}

.banner__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 2rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.banner__tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--teal-light);
    background: rgba(255,255,255,0.12);
    padding: 0.3rem 1rem;
    border-radius: 30px;
    margin-bottom: 1rem;
    backdrop-filter: blur(2px);
}

.banner__title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--blanco);
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.banner__desc {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}


@media (max-width: 768px) {

    .banner {
        height: 40vh;
        min-height: 280px;
        max-height: 380px;
    }

    .banner__title {
        font-size: 1.6rem;
    }

    .banner__desc {
        font-size: 0.8rem;
        padding: 0 1rem;
    }

    .banner__tag {
        font-size: 0.6rem;
        padding: 0.2rem 0.8rem;
    }
}


@media (max-width: 480px) {

    .banner {
        height: 35vh;
        min-height: 250px;
        max-height: 320px;
    }

    .banner__title {
        font-size: 1.3rem;
    }

    .banner__desc {
        font-size: 0.7rem;
    }
}


.galeria-apple {
    width: 100%;
    background: var(--fondo);
}

.galeria-apple__header {
    width: 100%;
    background: linear-gradient(
        135deg,
        var(--azul-dark) 0%,
        var(--azul) 100%
    );
    padding: 5rem 2rem;
    position: relative;
    overflow: hidden;
}

.galeria-apple__header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" opacity="0.05"><path fill="white" d="M20,20 L80,20 L80,80 L20,80 Z"/><circle cx="50" cy="50" r="15"/></svg>');

    background-repeat: repeat;
    background-size: 30px;
    pointer-events: none;
}


.galeria-apple__header-inner {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
    position: relative;
    z-index: 2;
}

.galeria-apple__header-inner .section-tag {
    color: var(--teal-light);
    text-align: left;
}

.galeria-apple__header-inner h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--blanco);
    margin-bottom: 0.5rem;
    text-align: left;
}

.galeria-apple__header-inner .section-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    text-align: left;
}


.galeria-apple__bloque {
    width: 100%;
    padding: 5rem 0;
    transition: all 0.4s ease;
}

.galeria-apple__bloque:nth-child(even) {
    background: var(--blanco);
}

.galeria-apple__bloque:nth-child(odd) {
    background: var(--fondo-alt);
}


.galeria-apple__bloque-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 5rem;
}


.galeria-apple__bloque-img {
    flex: 1.1;
    overflow: hidden;
    border-radius: 24px;

    box-shadow:
        0 25px 45px -12px rgba(0, 0, 0, 0.25);
}

.galeria-apple__bloque-img img {
    width: 100%;
    height: 420px;

    object-fit: cover;

    transition:
        transform 0.6s
        cubic-bezier(
            0.25,
            0.46,
            0.45,
            0.94
        );

    display: block;
}

.galeria-apple__bloque:hover
.galeria-apple__bloque-img img {
    transform: scale(1.05);
}


.galeria-apple__bloque-contenido {
    flex: 0.9;
    padding: 1rem;
}


.galeria-apple__bloque-contenido h3 {
    font-family: 'Poppins', sans-serif;

    font-size: clamp(
        1.5rem,
        3vw,
        2.2rem
    );

    font-weight: 700;

    color: var(--azul-dark);

    margin-bottom: 1.25rem;

    line-height: 1.3;

    position: relative;

    padding-bottom: 0.75rem;
}


.galeria-apple__bloque-contenido p {
    font-family: 'Poppins', sans-serif;

    font-size: 1rem;

    color: var(--texto-sub);

    line-height: 1.7;

    margin-bottom: 2rem;
    text-align: justify;
}


.galeria-apple__bloque--reverse
.galeria-apple__bloque-inner {
    flex-direction: row-reverse;
}


.btn--primary {
    display: inline-flex;

    align-items: center;

    gap: 8px;

    padding: 14px 32px;

    background: linear-gradient(
        135deg,
        var(--azul),
        var(--azul-mid)
    );

    color: var(--blanco);

    font-family: 'Poppins', sans-serif;

    font-weight: 600;

    font-size: 0.9rem;

    letter-spacing: 0.03em;

    border-radius: 40px;

    text-decoration: none;

    transition: all 0.3s ease;

    border: none;

    cursor: pointer;

    box-shadow:
        0 4px 15px rgba(11,61,145,0.3);

    position: relative;

    overflow: hidden;
}


.btn--primary::before {
    content: '';

    position: absolute;

    top: 50%;
    left: 50%;

    width: 0;
    height: 0;

    border-radius: 50%;

    background: rgba(255,255,255,0.2);

    transform: translate(-50%, -50%);

    transition:
        width 0.6s,
        height 0.6s;
}


.btn--primary:hover::before {
    width: 300px;
    height: 300px;
}


.btn--primary:hover {
    background: linear-gradient(
        135deg,
        var(--azul-mid),
        var(--azul-dark)
    );

    transform: translateY(-3px);

    box-shadow:
        0 8px 25px rgba(11,61,145,0.4);

    gap: 12px;
}


.btn--primary:active {
    transform: translateY(0);
}


@media (max-width: 1100px) {

    .galeria-apple__bloque-inner {
        padding: 0 2.5rem;
        gap: 3rem;
    }

    .galeria-apple__bloque-img img {
        height: 360px;
    }
}


@media (max-width: 900px) {

    .galeria-apple__bloque {
        padding: 3.5rem 0;
    }

    .galeria-apple__bloque-inner,
    .galeria-apple__bloque--reverse
    .galeria-apple__bloque-inner {

        flex-direction: column;

        text-align: center;

        gap: 2rem;

        padding: 0 1.5rem;
    }

    .galeria-apple__bloque-img img {
        height: 300px;
    }

    .galeria-apple__bloque-contenido {
        padding: 0;
    }

    .galeria-apple__header {
        padding: 3rem 1rem;
    }
}


@media (max-width: 576px) {

    .galeria-apple__bloque {
        padding: 2.5rem 0;
    }

    .galeria-apple__bloque-inner {
        padding: 0 1rem;
    }

    .galeria-apple__bloque-img img {
        height: 240px;
    }

    .btn--primary {
        padding: 10px 24px;
        font-size: 0.85rem;
    }

    .galeria-apple__header-inner .section-desc {
        font-size: 0.85rem;
    }
}