/* Variables */
:root {
    --bg-main: #ffffff;
    --bg-section: #f9f9f9;
    --bg-dark: #1a1a1a;
    --text-main: #333333;
    --text-light: #ffffff;
    --accent: #a47e5b;
    /* Gold/Brown from reference */
    --accent-hover: #8e6b4a;
    --font-main: 'Arial', sans-serif;
    /* Clean, standard sans-serif */
    --container: 1200px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

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

h1,
h2,
h3,
h4 {
    color: var(--text-main);
    margin-bottom: 20px;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 100px 0;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--accent);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: var(--accent-hover);
}

/* Header */
header {
    background: #fff;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    object-fit: contain;
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: var(--text-main);
    font-size: 0.95rem;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--accent);
}

.lang-toggle {
    background: transparent;
    border: 1px solid #ccc;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-main);
    margin-left: 20px;
}

/* Hero */
.hero {
    height: 90vh;
    /* New Global Logistics / Containers Background */
    background: url('https://images.unsplash.com/photo-1493934558415-9d19f0b2b4d2?ixlib=rb-4.0.3&auto=format&fit=crop&w=2054&q=80') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 80px;
    /* Header height */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    /* Slight dim */
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    max-width: 600px;
    margin-left: 10%;
    /* Left aligned */
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: white;
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* Services / Why Us (Grid) */
.services-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.service-item h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.service-item p {
    font-size: 0.9rem;
    color: #666;
}

/* Contact Section (Dark) */
.contact-section {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h2 {
    color: var(--text-light);
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-details p {
    margin-bottom: 10px;
    color: #ccc;
}

.contact-details strong {
    color: white;
    display: block;
    margin-bottom: 5px;
    margin-top: 20px;
}

/* Form */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form .full-width {
    grid-column: 1 / -1;
}

.contact-form input,
.contact-form textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid #555;
    padding: 10px 0;
    color: white;
    font-size: 1rem;
    width: 100%;
    outline: none;
    transition: border 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--accent);
}

.contact-form button {
    margin-top: 20px;
    justify-self: start;
    grid-column: 1 / -1;
}

/* Footer */
footer {
    background: #111;
    color: #555;
    text-align: center;
    padding: 20px;
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 900px) {
    .hero-content {
        margin-left: 5%;
        margin-right: 5%;
    }

    .services-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        grid-template-columns: 1fr;
    }

    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
}