* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid #d9e2ec;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    gap: 20px;
    flex-wrap: wrap;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    width: 70px;
    height: auto;
    border-radius: 4px;
}

.company-text h1 {
    font-size: 1.6rem;
    color: #1f3b5b;
    margin-bottom: 4px;
}

.company-text p {
    font-size: 0.95rem;
    color: #5b6b7a;
}

.main-nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.main-nav a {
    text-decoration: none;
    color: #1f3b5b;
    font-weight: 600;
    transition: color 0.3s ease;
}

.main-nav a:hover {
    color: #4a7aa6;
}


/* Preserve the complete 3:2 aircraft photograph without cropping. */
.hero {
    width: 94%;
    margin: 0 auto;
    padding: 0;
    background: none;
    height: auto;
    max-width: none;
}

.hero img {
    display: block;
    width: 100%;
    max-height: 450px;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
}

.introduction {
    background-color: #ffffff;
    padding: 25px 0;
    text-align: center;
}

.introduction h2 {
    font-size: 1.4rem;
    color: #1f3b5b;
    line-height: 1.4;
    margin-bottom: 20px;
}

.introduction p {
    font-size: 1.15rem;
    line-height: 1.8;
    color: #52606d;
    max-width: 900px;
    margin: 0 auto;
}

.products-section,
.about-section,
.contact-section {
    padding: 5px 0;
}

.products-section {
    background-color: #ffffff;
}

.about-section {
    background-color: #f3f7fa;
}

.contact-section {
    background-color: #ffffff;
}

.section-title {
    font-size: 2rem;
    color: #1f3b5b;
    margin-bottom: 30px;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.product-card {
    background-color: #f8fbfd;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-card h3 {
    font-size: 1.2rem;
    color: #1f3b5b;
    margin-bottom: 15px;
}

.product-card p,
.about-section p,
.contact-section p {
    color: #52606d;
    font-size: 1rem;
    margin-bottom: 12px;
}

.site-footer {
    background-color: #1f3b5b;
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .introduction h2 {
        font-size: 1.25rem;
    }

    .main-nav {
        gap: 12px;
    }
}

/* Product image cards and clickable details */
.product-card-link {display:block; color:inherit; text-decoration:none; border-radius:8px; height:100%;}
.product-card-link:focus-visible {outline:3px solid #2978ae; outline-offset:3px;}
.product-card {height:100%; display:flex; flex-direction:column; transition: box-shadow .18s ease, transform .18s ease;}
.product-card-link:hover .product-card {box-shadow:0 7px 20px rgba(20,50,80,.13); transform:translateY(-3px);}
.product-image {height:205px; display:flex; align-items:center; justify-content:center; background:#fff; border-radius:5px; margin-bottom:17px; overflow:hidden;}
.product-image img {width:100%; height:100%; object-fit:contain;}
.product-more {margin-top:auto; padding-top:12px; color:#1d6495; font-weight:600;}
/* Individual product pages */
.product-page {background:#fff; padding:38px 0 75px;}
.breadcrumb {font-size:.92rem; margin-bottom:22px;}
.breadcrumb a {color:#1d6495;}
.product-page h2 {color:#1f3b5b; font-size:clamp(1.45rem,2.4vw,2.05rem); line-height:1.3; margin:0 0 12px;}
.product-lead {color:#52606d; max-width:920px; margin-bottom:30px; font-size:1.06rem;}
.product-featured {max-width:1000px; min-height:250px; margin:0 auto 34px; background:#f8fafc; border:1px solid #e4edf2; border-radius:8px; padding:18px; text-align:center;}
/*.product-featured img {display:block; width:100%; max-height:590px; object-fit:contain;}*/

.product-featured img {
    display: block;
    max-width: 50%;
    max-height: 300px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
}

/* About ESD photograph */

.about-photo {
    display: block;
    float: none;
    width: 180px;
    height: auto;
    margin: 20px auto;
    border-radius: 8px;
}


.product-info {max-width:900px; margin:0 auto;}
.product-info h3 {color:#1f3b5b; margin:15px 0 9px;}
.product-info p {color:#52606d; margin-bottom:15px;}
.back-products {display:inline-block; color:#1d6495; font-weight:600; margin-top:20px;}
@media (max-width:768px){.product-image{height:185px}.product-page{padding-top:24px}.product-featured{min-height:0;padding:10px}}

/* Remove spacing between contact detail lines */

.contact-section p {
    margin-top: 0;
    margin-bottom: 0;
    line-height: 1.4;
}