/* JK-CableMaterials Unified Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Top Navigation */
.top-nav {
    background: linear-gradient(135deg, #1a5f7a 0%, #159895 100%);
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-logo sub {
    font-size: 12px;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 10px 18px;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

/* Main Content */
.main-content {
    max-width: 1100px;
    margin: 80px auto 40px;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    min-height: calc(100vh - 120px);
}

.page-title {
    color: #1a5f7a;
    font-size: 28px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #159895;
}

.header-hr {
    border: none;
    height: 1px;
    background: #e0e0e0;
    margin-bottom: 25px;
}

/* Headings */
h1, h2, h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

h2 {
    font-size: 22px;
}

h3 {
    font-size: 18px;
}

/* Images - Unified sizing */
img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

img:hover {
    transform: scale(1.02);
}

/* Product images grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.product-grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border: 1px solid #e0e0e0;
    padding: 10px;
    background: #fafafa;
}

/* Equipment images table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table td {
    padding: 15px;
    vertical-align: top;
}

table img {
    width: 100%;
    max-width: 500px;
    height: auto;
}

/* Awards/Certificates */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.cert-grid img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    border: 1px solid #ddd;
    padding: 8px;
    background: #fff;
}

/* Lists */
ul {
    margin: 15px 0;
    padding-left: 25px;
}

li {
    margin-bottom: 10px;
}

/* Company info */
.company-logo {
    max-width: 200px;
    margin: 0 auto 20px;
    display: block;
}

/* Responsive - Mobile */
@media (768px) {
max-width:  .nav-menu {
  display: flex;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox */
 }
 
 .nav-menu::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
 }
 
 .nav-menu a {
  padding: 10px 12px;
  font-size: 13px;
 }
 
 .main-content {
  margin: 80px 10px 20px;
  padding: 15px;
 }

 .page-title {
  font-size: 20px;
 }

 .product-grid,
 .cert-grid {
  grid-template-columns: 1fr;
 }
}

/* Product links grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.product-item {
    display: block;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 20px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    text-align: center;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-color: #159895;
}

.product-item img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
}

.product-item h3 {
    font-size: 15px;
    color: #2c3e50;
    margin: 0;
}

/* Introduction equipment table */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

table td {
    padding: 15px;
    vertical-align: middle;
    text-align: center;
}

table img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Awards section */
.certificates {
    margin: 30px 0;
}

.certificates h3 {
    color: #1a5f7a;
    margin-bottom: 20px;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.cert-grid img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    border: 1px solid #ddd;
    padding: 10px;
    background: #fafafa;
    border-radius: 8px;
}

/* Footer */
.footer {
    text-align: center;
    padding: 30px;
    color: #888;
    font-size: 13px;
    border-top: 1px solid #eee;
    margin-top: 40px;
}