:root {
    --primary-blue: #0a2e6e;
    --secondary-blue: #2c5aa0;
    --light-blue: #e8f4f8;
    --accent-gold: #d4af37;
    --white: #ffffff;
    --dark-blue: #051a3d;
    --text-color: #333333;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    color: var(--text-color);
    overflow-x: hidden;
    background-color: #f8f9fa;
    line-height: 1.6;
    padding-top: 80px;
}

/* Navigation */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    transition: var(--transition);
}

.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 10px 0;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 50px;
    margin-right: 15px;
}

.nav-link {
    color: var(--dark-blue);
    font-weight: 500;
    padding: 10px 15px !important;
    transition: var(--transition);
    position: relative;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.nav-link:hover, .nav-link.active {
    color: var(--secondary-blue);
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15px;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition);
}

.nav-link:hover:after, .nav-link.active:after {
    width: calc(100% - 30px);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.dropdown-item {
    padding: 12px 20px;
    transition: var(--transition);
    font-weight: 500;
}

.dropdown-item:hover {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding-left: 25px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(5, 26, 61, 0.85), rgba(5, 26, 61, 0.85)), url('../images/jaddah-header.jpg');
    background-size: cover;
    background-position: center;
    padding: 180px 0 120px;
    color: var(--white);
    position: relative;
    text-align: center;
}

.hero h1 {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btn {
    background-color: var(--accent-gold);
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 4px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--white);
}

.hero-btn:hover {
    background-color: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* Section Styling */
.section-title {
    position: relative;
    margin-bottom: 60px;
    font-weight: 700;
    color: var(--dark-blue);
    text-align: center;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--accent-gold);
    border-radius: 2px;
}

.section-padding {
    padding: 100px 0;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    margin-bottom: 25px;
    overflow: hidden;
    height: 100%;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.btn-primary {
    background-color: var(--primary-blue);
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary:hover {
    background-color: var(--secondary-blue);
}

/* About Section */
.about-content {
    line-height: 1.8;
    font-size: 1.1rem;
}

.value-card {
    height: 100%;
    padding: 30px;
    text-align: center;
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.value-card img {
    height: 80px;
    margin-bottom: 25px;
}

.value-card h5 {
    color: var(--primary-blue);
    margin-bottom: 15px;
}

/* Services */
.services {
    background-color: var(--light-blue);
}

.service-card {
    height: 100%;
    text-align: center;
    padding: 30px;
}

.service-img {
    height: 100px;
    width: 100px;
    object-fit: contain;
    margin: 0 auto 25px;
}

/* Mission & Vision */
.mission-vision {
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.mv-card {
    background-color: var(--light-blue);
    border-radius: 10px;
    padding: 50px 40px;
    height: 100%;
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.mv-card h3 {
    color: var(--primary-blue);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.mv-card h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-gold);
}

.mv-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    z-index: 1;
}

.mission-bg {
    background-image: url('../images/King-Abdulaziz-Port.jpg');
}

.vision-bg {
    background-image: url('../images/vision-bg.jpg');
}

/* Stats */
.stats {
    background: linear-gradient(rgba(10, 46, 110, 0.9), rgba(10, 46, 110, 0.9)), url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: 100px 0;
}

.stat-item {
    text-align: center;
    padding: 30px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--accent-gold);
}

.stat-label {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Clients */
.clients {
    background-color: var(--white);
}

.client-logo {
    height: 80px;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: var(--transition);
}

.client-logo:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 80px 0 20px;
}

.footer-title {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-gold);
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-gold);
    padding-left: 5px;
}

.contact-info p {
    margin-bottom: 15px;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: flex-start;
}

.contact-info i {
    width: 20px;
    margin-right: 15px;
    color: var(--accent-gold);
    margin-top: 5px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    width: 40px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: var(--white);
    margin-right: 10px;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--accent-gold);
    transform: translateY(-3px);
}

.copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 50px;
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    color: var(--dark-blue);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    font-size: 1.2rem;
}

.back-to-top.show {
    opacity: 1;
}

.back-to-top:hover {
    background: var(--white);
    transform: translateY(-3px);
}

/* Page Header */
.page-header {
    background: linear-gradient(rgba(5, 26, 61, 0.85), rgba(5, 26, 61, 0.85)), url('https://images.unsplash.com/photo-1517245386807-bb43f82c33c4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    padding: 150px 0 80px;
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.breadcrumb {
    justify-content: center;
    background: transparent;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--accent-gold);
    text-decoration: none;
}

.breadcrumb-item.active {
    color: var(--white);
}

.breadcrumb-item+.breadcrumb-item::before {
    color: var(--white);
}

/* Contact Form */
.contact-form .form-control {
    border-radius: 0;
    padding: 15px;
    border: 1px solid #ddd;
    margin-bottom: 20px;
}

.contact-form .form-control:focus {
    border-color: var(--accent-gold);
    box-shadow: none;
}

.contact-info-box {
    background: var(--light-blue);
    padding: 30px;
    border-radius: 10px;
    height: 100%;
}

.contact-info-box i {
    color: var(--accent-gold);
    font-size: 1.5rem;
    margin-right: 15px;
    width: 30px;
}

/* Port Page */
.port-features {
    background: var(--light-blue);
    padding: 50px 0;
}

.feature-box {
    text-align: center;
    padding: 30px;
}

.feature-box img {
    height: 80px;
    margin-bottom: 20px;
}

.port-map {
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

/* Responsive Adjustments */
@media (max-width: 991px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .section-padding {
        padding: 80px 0;
    }
    
    .hero {
        padding: 150px 0 100px;
    }
    
    .page-header {
        padding: 120px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 767px) {
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 2.4rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .navbar-brand {
        font-size: 1.4rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .page-header h1 {
        font-size: 2.2rem;
    }
}