/* --- Global Reset & Dark Theme Variables --- */
:root {
    --bg-dark: #12181B;

    /* Using the exact slate background color from form inputs / Connect With Us */
    --header-bg: #253038;

    /* LimeAfrica brand green */
    --primary-green: #76BC21;

    /* Main light text for body & navbar */
    --text-light: #F0F4F8;

    /* Muted text */
    --text-muted: #718096;

    /* Cards */
    --card-bg: #1A2228;

    /* Form inputs / container dark elements */
    --input-bg: #253038;

    /* Softer border */
    --border-light: #CBD5E0;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
}

/* --- Header & Navigation Layout --- */
header {
    background-color: var(--header-bg);
    padding: 0.8rem 2rem;
    border-bottom: 2px solid var(--primary-green);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* --- Logo Styling --- */
.logo-container {
    display: flex;
    align-items: center;
    flex: 1;
}

.brand-logo {
    height: 70px;
    width: auto;
    object-fit: contain;
    display: block;

    /* Clean transparent image layout without extra white backgrounds or cards */
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

/* --- Centered Navigation Links --- */
.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    flex: 2;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

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

/* --- Navigation Button --- */
.nav-actions {
    display: flex;
    justify-content: flex-end;
    flex: 1;
}

.nav-btn {
    background-color: var(--primary-green);
    color: #12181B !important;
    padding: 0.65rem 1.4rem;
    border-radius: 4px;
    font-weight: bold;
    text-decoration: none;
    transition:
        background-color 0.3s ease,
        transform 0.2s ease;
}

.nav-btn:hover {
    background-color: #64A31A;
    transform: translateY(-1px);
}

/* --- Main Layout Container --- */
.container,
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.page-content {
    padding-top: 3rem;
    padding-bottom: 3rem;
}

/* --- Headings & Text --- */
h1,
h2,
h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

p {
    color: var(--text-muted);
}

/* --- Hero Section --- */
.hero {
    text-align: center;
    padding: 5rem 1rem;

    background: linear-gradient(180deg,
            var(--header-bg) 0%,
            var(--bg-dark) 100%);

    border-radius: 8px;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 3rem;
    color: var(--text-light);
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
}

.btn-primary {
    background-color: var(--primary-green);
    color: #12181B;
}

.btn-secondary {
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
}

/* --- Product & Service Cards Grid --- */
.product-grid,
.transport-details {
    display: grid;
    grid-template-columns: repeat(auto-fit,
            minmax(300px, 1fr));

    gap: 1.5rem;
    margin-top: 2rem;
}

.product-card,
.service-card {
    background-color: var(--card-bg);
    padding: 1.8rem;
    border-radius: 6px;
    border: 1px solid #2D3748;

    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product-card h3,
.service-card h2 {
    color: var(--primary-green);
    font-size: 1.3rem;
}

.card-btn {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: bold;
    margin-top: 1rem;
    display: inline-block;
}

/* --- Contact Footer & Dark Form --- */
footer {
    background-color: var(--header-bg);
    border-top: 1px solid #2D3748;
    padding-top: 3rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: 1fr 1fr;

    gap: 3rem;
    padding: 0 2rem 3rem 2rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;

    background-color: var(--input-bg);
    border: 1px solid #2D3748;
    border-radius: 4px;

    color: var(--text-light);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #718096;
}

.submit-btn {
    background-color: var(--primary-green);
    color: #12181B;

    border: none;
    padding: 0.8rem;

    font-weight: bold;
    cursor: pointer;

    border-radius: 4px;
}

.copyright {
    text-align: center;
    padding: 1.5rem;

    background-color: #12181B;
    border-top: 1px solid #2D3748;

    font-size: 0.9rem;
}

/* --- Responsive Navigation --- */
@media (max-width: 768px) {

    header {
        padding: 0.7rem 1rem;
    }

    nav {
        flex-wrap: wrap;
    }

    .logo-container {
        flex: 1;
    }

    .brand-logo {
        height: 60px;
    }

    .nav-links {
        gap: 1rem;
        flex: 1;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    .nav-actions {
        flex: 1;
    }

    .nav-btn {
        padding: 0.55rem 1rem;
        font-size: 0.9rem;
    }
}