* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #2b2d42;
    background-color: #f8f9fa;
}

/* Header Elements Styling */
.main-header {
    background-color: #0b2545; 
    color: #ffffff;
    text-align: center;
    padding: 2rem 1rem;
}

.main-header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
}

.main-header p {
    margin: 0.5rem 0 0;
    color: #8da9c4;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 2.5px;
    font-size: 0.95rem;
}

/* Main Navigation Bar Layout */
.main-nav {
    background-color: #134074;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.main-nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

.main-nav li {
    margin: 0;
}

.main-nav a {
    display: block;
    color: #ffffff;
    text-decoration: none;
    padding: 1.1rem 1.7rem;
    font-weight: bold;
    font-size: 1rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Rollover effects and navigation indicators */
.main-nav a:hover,
.main-nav a.active {
    background-color: #ee6c4d; 
    color: #ffffff;
}

/* Main Content Wrapper Container */
.content-wrapper {
    max-width: 1100px;
    margin: 2.5rem auto;
    padding: 0 1.5rem;
}

/* Hero Content Area Setup */
.hero-section {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.hero-img {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    display: block;
}

/* Video Presentation Layout Wrapper */
.media-showcase {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    margin-bottom: 2rem;
    text-align: center;
}

.video-container video {
    width: 100%;
    max-width: 680px;
    height: auto;
    border-radius: 6px;
    border: 3px solid #134074;
    display: block;
    margin: 1rem auto 0;
}

/* Generic Info & Detail Block Formatting */
.info-block {
    background-color: #ffffff;
    padding: 1.5rem 2rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

/* Catalog Flexbox Row Grid Construction */
.catalog-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
}

.catalog-item {
    flex: 1 1 calc(33.333% - 1rem); 
    background-color: #ffffff;
    border: 1px solid #e9ecef;
    padding: 1.25rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    transition: transform 0.2s ease;
}

.catalog-item:hover {
    transform: translateY(-3px);
}

.catalog-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px solid #f1f3f5;
}

.catalog-item h4 {
    margin: 0.5rem 0;
    color: #0b2545;
    font-size: 1.2rem;
}

.catalog-item p {
    margin: 0;
    font-size: 0.95rem;
    color: #495057;
}

/* Interactive Contact Form Styles Block */
.contact-layout-box {
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    max-width: 700px;
    margin: 0 auto;
    box-shadow: 0 4px 6px rgba(0,0,0,0.03);
}

.direct-contact-details {
    background-color: #f1f3f5;
    padding: 1rem 1.5rem;
    border-left: 4px solid #ee6c4d;
    margin-bottom: 2rem;
    border-radius: 0 4px 4px 0;
}

.direct-contact-details p {
    margin: 0.25rem 0;
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #134074;
}

.form-group input,
.form-group select,
.form-group textarea {
width: 100%;
    padding: 0.8rem;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ee6c4d; 
}

.submit-btn {
    background-color: #134074;
    color: #ffffff;
    padding: 0.9rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    align-self: flex-start;
    transition: background-color 0.2s ease;
}

.submit-btn:hover {
    background-color: #0b2545;
}

/* Master Universal Footer */
.main-footer {
    background-color: #0b2545;
    color: #ffffff;
    text-align: center;
    padding: 1.25rem 1rem;
    margin-top: 5rem;
    font-size: 0.9rem;
}



@media screen and (max-width: 480px) {
    
    .main-header h1 {
        font-size: 1.9rem;
    }
    
  
    .main-nav ul {
        flex-direction: column;
    }
    
    .main-nav a {
        text-align: center;
        padding: 0.9rem 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    
    .content-wrapper {
        margin: 1.25rem auto;
    }
    
    .hero-section, 
    .media-showcase, 
    .contact-layout-box {
        padding: 1.25rem;
    }
    

    .catalog-item {
        flex: 1 1 100%;
    }
    

    .submit-btn {
        width: 100%;
        text-align: center;
    }
}