:root {
    --primary-dark: #0A192F; /* Navy Blue */
    --primary-light: #CCD6F6; /* Light Slate */
    --accent: #FFC107; /* Gold/Amber */
    --bg-color: #FFFFFF;
    --text-color: #333333;
    --text-light: #555555;
    --border-color: #DEE2E6;
    --header-height: 70px;
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--primary-dark);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; margin-bottom: 1rem; text-align: center; }
h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }

img {
    max-width: 100%;
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent);
}

/* Header & Navigation */
.main-header {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-navigation a {
    font-weight: 500;
    font-size: 1rem;
}

/* Hero Section */
.logistics-hero {
    padding-top: var(--header-height);
    background-color: #F8F9FA;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    min-height: calc(100vh - var(--header-height));
}

.hero-text-content {
    padding: 4rem;
}

.hero-subheadline {
    font-size: 1.1rem;
    color: var(--text-light);
    margin: 1.5rem 0;
}

.cta-button, .submit-button {
    display: inline-block;
    background-color: var(--primary-dark);
    color: #fff;
    padding: 12px 24px;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid var(--primary-dark);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.cta-button:hover, .submit-button:hover {
    background-color: var(--bg-color);
    color: var(--primary-dark);
}

.hero-image-container img {
    height: calc(100vh - var(--header-height));
}

/* General Section Styling */
.services-sector, .about-us-wrapper, .process-section, .testimonial-area, .contact-form-section {
    padding: 5.5rem 2rem;
}

.sector-container, .process-container, .testimonial-container, .contact-container {
    max-width: 1100px;
    margin: 0 auto;
}

.sector-intro { text-align: center; max-width: 600px; margin: 0 auto 3rem auto; color: var(--text-light); }

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.freight-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
}

.freight-card h3 { padding: 1.5rem 1.5rem 0 1.5rem; }
.freight-card p { padding: 0.5rem 1.5rem 1.5rem 1.5rem; flex-grow: 1; }
.freight-card img { height: 200px; }

/* About Us Section */
.about-us-wrapper { background-color: #F8F9FA; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-highlight {
    margin-top: 2rem;
    text-align: left;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-dark);
    font-family: var(--font-heading);
}

.stat-label {
    display: block;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-top: -10px;
}

/* Process Section */
.process-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
    text-align: center;
}

.process-step .step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-dark);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    margin: 0 auto 1rem auto;
    border: 3px solid var(--accent);
}

/* Testimonials */
.testimonial-area { background-color: #F8F9FA; }

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.client-feedback {
    background: #fff;
    padding: 2rem;
    border-left: 5px solid var(--accent);
}

.client-feedback blockquote {
    font-style: italic;
    color: var(--text-light);
    border: none;
    margin-bottom: 1.5rem;
}

.client-feedback figcaption {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.client-feedback img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.client-name { font-weight: bold; }
.client-title { font-size: 0.9rem; color: var(--text-light); }

/* Contact Form */
.contact-form { max-width: 700px; margin: 2rem auto 0 auto; }
.form-group { margin-bottom: 1.5rem; }

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
}

.submit-button { width: 100%; cursor: pointer; }

/* Footer */
.corporate-footer {
    background-color: var(--primary-dark);
    color: var(--primary-light);
    padding: 4rem 2rem 2rem 2rem;
}

.footer-content {
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    padding-bottom: 2rem;
}

.corporate-footer h4 { color: #fff; margin-bottom: 1rem; }
.corporate-footer p, .corporate-footer li { font-size: 0.9rem; margin-bottom: 0.5rem; }
.corporate-footer a { color: var(--primary-light); }
.corporate-footer a:hover { color: var(--accent); }
.corporate-footer ul { list-style: none; }

.footer-bottom {
    max-width: 1100px;
    margin: 0 auto;
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.85rem;
}

.footer-disclaimer { margin-top: 0.5rem; opacity: 0.7; }

/* Responsive Design */
@media (max-width: 992px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .hero-grid, .about-grid { grid-template-columns: 1fr; }
    .hero-image-container { order: -1; }
    .hero-image-container img { height: 50vh; }
    .hero-text-content { text-align: center; }
    .about-image-block { order: 1; }
    .about-content-block { order: 2; }
    .stat-highlight { text-align: center; }
    .process-steps-grid { grid-template-columns: 1fr; }
    .testimonial-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .main-navigation { display: none; /* Simplification for this example */ }
    .header-container, .hero-text-content { padding: 2rem; }
    .services-sector, .about-us-wrapper, .process-section, .testimonial-area, .contact-form-section { padding: 4rem 1rem; }
}