/* CSS Variables */
:root {
    --primary-color: #0d47a1;
    /* Industrial Blue */
    --secondary-color: #546e7a;
    /* Metallic Grey */
    --accent-color: #ff6f00;
    /* Safety Orange/Gold accent */
    --text-color: #333333;
    --light-bg: #f5f5f5;
    --dark-bg: #1a1a1a;
    --white: #ffffff;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
    --section-padding: 80px 0;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-bg);
    margin-bottom: 0.5rem;
}

.section-header .line {
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0 auto 1rem;
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

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

.logo {
    display: flex;
    align-items: center;
}

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

.nav-menu ul {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--secondary-color);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu .btn-contact {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
}

.nav-menu .btn-contact:hover {
    background-color: #08306b;
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-bg);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../assets/images/hero-bg.jpg');
    /* Need placeholder */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
    background-color: #1a1a1a;
    /* Fallback */
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.hero h1 .highlight {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    border-radius: 4px;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--white);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--dark-bg);
}

/* Sections */
.section {
    padding: var(--section-padding);
}

/* About Us */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #555;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    /* 2 columns for 3 items might look off, let's do 1 or flex */
    gap: 20px;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-item {
    background-color: var(--light-bg);
    padding: 25px;
    text-align: center;
    border-left: 4px solid var(--primary-color);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.stat-item h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--dark-bg);
}

/* Services */
.services {
    background-color: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid #eee;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.icon-box {
    width: 70px;
    height: 70px;
    background-color: rgba(13, 71, 161, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--dark-bg);
}

/* Products */
.products {
    background-color: var(--white);
}

.products-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.product-item {
    background-color: var(--dark-bg);
    color: var(--white);
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.product-item::before {
    content: '\f101';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-right: 10px;
    color: var(--accent-color);
}

/* Location */
.location {
    background-color: var(--dark-bg);
    color: var(--white);
    text-align: center;
}

.location-content {
    max-width: 800px;
    margin: 0 auto;
}

.location h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.location p {
    color: #ccc;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.location-map-placeholder {
    height: 200px;
    /* Placeholder until map */
    background-color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px dashed #666;
}

.location-map-placeholder i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

/* Footer */
.footer {
    background-color: #111;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.footer-info p {
    color: #999;
}

.footer-contact h4,
.footer-social h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--white);
}

.footer-contact ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #bbb;
}

.footer-contact ul li i {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #333;
    padding-top: 20px;
    color: #666;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 991px) {
    .hero h1 {
        font-size: 2.8rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: row;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 100%;
        background-color: var(--white);
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero-btns {
        flex-direction: column;
        gap: 15px;
    }

    .btn {
        width: 100%;
    }

    .about-stats {
        flex-direction: column;
    }
}