:root {
    --bg-color: #121B2B;
    --text-color: #FDFDFD;
    --accent-primary: #7EBFF2;
    --accent-secondary: #A1BDCD;
    --card-bg: #1a2639;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Header & Nav */
header {
    background-color: rgba(18, 27, 43, 0.95);
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--accent-secondary);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: bold;
    font-size: 1.5rem;
    color: var(--accent-primary);
}

.logo {
    height: 40px;
    width: auto;
    border-radius: 50%;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.lang-switch {
    margin-left: 1rem;
    border-left: 1px solid var(--accent-secondary);
    padding-left: 1rem;
}

.lang-switch a {
    font-size: 0.9rem;
    opacity: 0.7;
}

.lang-switch a.active, .lang-switch a:hover {
    opacity: 1;
    color: var(--accent-primary);
}

/* Hero Section */
#hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(18, 27, 43, 0.8), rgba(18, 27, 43, 0.8)), url('https://images.unsplash.com/photo-1519389950473-47ba0277781c?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80'); /* Placeholder tech background */
    background-size: cover;
    background-position: center;
    padding-top: 80px;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--accent-secondary);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-primary);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: transform 0.3s, background-color 0.3s;
}

.cta-button:hover {
    transform: translateY(-3px);
    background-color: var(--accent-secondary);
}

/* General Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

h2 {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-secondary);
    padding-bottom: 0.5rem;
    display: inline-block;
}

h3 {
    font-size: 1.8rem;
    color: var(--accent-secondary);
    margin-bottom: 1rem;
    margin-top: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: #e0e0e0;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--accent-secondary);
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.mt-2 {
    margin-top: 2rem;
}

/* Logistics */
.logistics-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.detail-item {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border-top: 3px solid var(--accent-primary);
}

.detail-item strong {
    display: block;
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: #0a101a;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    color: var(--accent-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        display: none; /* Simple mobile hide for now */
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
}