:root {
    --primary-color: #002147; /* Deep Navy */
    --secondary-color: #007BFF; /* Electric Blue */
    --accent-color: #FF8C00; /* Safety Orange */
    --bg-color: #F8F9FA; /* Cloud Gray */
    --text-color: #333333;
    --white: #ffffff;
}

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

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* Header */
.sticky-header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

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

.nav-links a:hover {
    color: var(--secondary-color);
}

.lang-toggle span {
    cursor: pointer;
    font-weight: bold;
    color: #888;
}

.lang-toggle span.active {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.sub-headline {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.slogan {
    font-style: italic;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #e07b00;
}

/* Sections General */
section {
    padding: 60px 0;
}

section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 40px;
    font-size: 2rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

/* Why Us */
.why-us {
    background-color: var(--white);
}

.features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.feature {
    text-align: center;
    max-width: 300px;
}

.feature i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

/* Tracking */
.tracking {
    text-align: center;
}

.tracking-form {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

.tracking-form input {
    padding: 10px 15px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    width: 100%;
    max-width: 300px;
}

.btn-secondary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
}

.hidden {
    display: none !important;
}

#tracking-result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: inline-block;
}

/* Contact */
.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-info p {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.contact-info i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.map-placeholder {
    flex: 1;
    min-width: 300px;
}

.mock-map {
    background-color: #e9ecef;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: #6c757d;
    font-weight: bold;
}

/* Floating WhatsApp */
.floating-wa {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 35px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    text-decoration: none;
    transition: transform 0.3s;
}

.floating-wa:hover {
    transform: scale(1.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Simple mobile hide for demo */
    }
    .hero h1 {
        font-size: 2rem;
    }
    .tracking-form {
        flex-direction: column;
        align-items: center;
    }
}