.about-hero-section {
    background:
        linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
        url("../images/hero-img.png");
    background-size: cover;
    background-position: center;
    padding: 20px 0;
    color: white;
    text-align: center;
    min-height: 30vh;
    display: flex;
    align-items: center;
}

.rationale-title {
    font-family: "Playfair Display", serif;
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    color: var(--ust-gold);
}

.content-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: #333;
}

.arrow-list {
    list-style: none;
    padding-left: 0;
}
.arrow-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 20px;
}

.arrow-list li::before {
    content: "➤";
    position: absolute;
    left: 0;
    color: var(--ust-gold);
    font-size: 1.1rem;
}

.pdf-container {
    width: 100%;
    height: 750px;
    border: 10px solid #ffffff;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    background-color: #ffffff;
    transition: transform 0.3s ease;
}

.pdf-container:hover {
    transform: translateY(-8px);
}

/* --- Tablets --- */
@media (max-width: 991px) {
    .about-hero-section {
        min-height: 25vh;
        padding: 40px 0;
    }

    .rationale-title {
        font-size: 1.8rem;
        text-align: center;
    }

    .pdf-container {
        height: 550px;
        border-width: 6px;
        margin-bottom: 40px;
    }
}

/* --- Mobile Phones --- */
@media (max-width: 576px) {
    .container {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }

    .rationale-title {
        font-size: 1.5rem;
    }

    .content-text {
        font-size: 1rem;
        line-height: 1.6;
        text-align: left;
    }

    .arrow-list li {
        font-size: 0.95rem;
        padding-left: 25px;
    }

    .pdf-container {
        height: 400px;
        border-width: 4px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
    }
}