/* HERO SECTION */
.principal-hero {
    background: url('https://images.unsplash.com/photo-1503676260728-1c00da094a0b') center/cover no-repeat;
    height: 300px;
    position: relative;
}

.principal-hero .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.principal-hero h1 {
    font-size: 42px;
    margin: 0;
}

.principal-hero p {
    font-size: 18px;
}

/* PRINCIPAL SECTION */
.principal-section {
    padding: 60px 0;
    background: #f5f5f5;
}

.principal-container {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
}

/* PRINCIPAL IMAGE */
.principal-image {
    text-align: center;
}

.principal-image img {
    width: 260px;
    height: 260px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid #004aad;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.2);
}

.principal-image h3 {
    margin-top: 15px;
    color: #004aad;
}

.principal-image span {
    color: #555;
    font-weight: 600;
}

/* PRINCIPAL MESSAGE */
.principal-message {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.1);
}

.principal-message h2 {
    color: #004aad;
    margin-bottom: 15px;
}

.principal-message p {
    line-height: 1.7;
    color: #333;
    margin-bottom: 12px;
}

/* SIGNATURE */
.principal-sign, .chairman-sign {
    margin-top: 20px;
}

.principal-sign h4, .chairman-sign h4 {
    margin: 0;
    color: #004aad;
}

/* CHAIRMAN SECTION */
.chairman-section {
    padding: 60px 0;
    background: #ffffff;
}

.chairman-container {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    align-items: center;
}

/* CHAIRMAN IMAGE */
.chairman-image {
    text-align: center;
}

.chairman-image img {
    width: 260px;
    height: 260px;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid #0077b6;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.2);
}

.chairman-image h3 {
    margin-top: 15px;
    color: #0077b6;
}

.chairman-image span {
    color: #555;
    font-weight: 600;
}

/* CHAIRMAN MESSAGE */
.chairman-message {
    background: #f5f5f5;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0px 5px 15px rgba(0,0,0,0.1);
}

.chairman-message h2 {
    color: #0077b6;
    margin-bottom: 15px;
}

.chairman-message p {
    line-height: 1.7;
    color: #333;
    margin-bottom: 12px;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .principal-container,
    .chairman-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .principal-message,
    .chairman-message {
        text-align: left;
    }
}