/* Custom Industrial Theme */
:root {
    --primary: #FFB400; /* Industrial Yellow */
    --dark: #1A1A1A;    /* Charcoal */
    --light: #F4F4F4;
    --white: #FFFFFF;
}

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

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

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

/* Header & Top Bar */
.top-bar {
    background: var(--dark);
    color: var(--primary);
    padding: 5px 0;
    font-size: 0.8rem;
    font-weight: bold;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
}

header {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 900;
    font-size: 1.5rem;
    letter-spacing: -1px;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li { margin-left: 30px; }

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.nav-cta {
    background: var(--primary);
    padding: 10px 20px;
    border-radius: 3px;
}

/* Hero Section */
.hero {
    background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.2)), 
                url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?q=80&w=1500') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero h1 {
    font-size: 4rem;
    line-height: 1;
    margin-bottom: 20px;
}

.btn-main {
    background: var(--primary);
    color: var(--dark);
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-right: 15px;
}

.btn-sub {
    border: 2px solid var(--white);
    color: var(--white);
    padding: 13px 30px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
}

/* Stats Section */
.stats {
    background: var(--primary);
    padding: 40px 0;
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
}

.stat-item strong { font-size: 2.5rem; display: block; }

/* Expertise */
.expertise { padding: 80px 0; background: var(--light); }

.title {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    text-transform: uppercase;
}

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

.card {
    background: var(--white);
    padding: 40px;
    border-bottom: 5px solid var(--primary);
    transition: 0.3s;
}

.card:hover { transform: translateY(-10px); }

.icon { font-size: 3rem; margin-bottom: 20px; }

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 80px 0 20px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-form {
    display: flex;
    margin-top: 20px;
}

.footer-form input {
    padding: 10px;
    border: none;
    width: 80%;
}

.footer-form button {
    background: var(--primary);
    border: none;
    padding: 10px 15px;
    cursor: pointer;
}

.bottom-footer {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
    color: #888;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .stats-grid { grid-template-columns: 1fr; gap: 20px; }
    .nav-links { display: none; }
}