/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Rajdhani', 'Segoe UI', sans-serif;
    background: #0c0c0c;
    color: #e0e0e0;
    line-height: 1.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* === HEADER INDUSTRIEL === */
.industrial-header {
    background: #111111;
    border-bottom: 4px solid #ff4d00;
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(255, 77, 0, 0.2);
}

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

.logo h1 {
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: 2px;
    color: #ffffff;
    text-transform: uppercase;
}

.logo span {
    color: #ff4d00;
    font-weight: 300;
}

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

.nav-menu a {
    color: #cccccc;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #ff4d00;
    border-bottom-color: #ff4d00;
}

/* === HERO SECTION === */
.hero {
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(20,20,20,0.7) 100%), 
                url('https://images.pexels.com/photos/209266/pexels-photo-209266.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2') center/cover no-repeat;
    min-height: 60vh;
    display: flex;
    align-items: center;
    border-bottom: 6px solid #ff4d00;
}

.hero-content {
    max-width: 700px;
    padding: 3rem 0;
}

.hero h2 {
    font-size: 3.5rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    line-height: 1.2;
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(255,77,0,0.5);
}

.hero .highlight {
    color: #ff4d00;
}

.tagline {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    border-left: 6px solid #ff4d00;
    padding-left: 1.5rem;
    font-weight: 500;
}

.btn-primary {
    display: inline-block;
    background: #ff4d00;
    color: #000;
    font-weight: 700;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    border-radius: 0;
    text-decoration: none;
    letter-spacing: 2px;
    transition: all 0.2s;
    border: 2px solid #ff4d00;
    box-shadow: 0 0 15px rgba(255,77,0,0.5);
}

.btn-primary:hover {
    background: transparent;
    color: #ff4d00;
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: #ff4d00;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.8rem 1.8rem;
    border: 2px solid #ff4d00;
    text-decoration: none;
    letter-spacing: 2px;
    transition: 0.2s;
}

.btn-secondary:hover {
    background: #ff4d00;
    color: #000;
}

/* === SECTION TITLES === */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    margin: 3rem 0 2rem;
    color: #fff;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: #ff4d00;
}

/* === GRID CARDS === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.card {
    background: #1a1a1a;
    border: 1px solid #333;
    padding: 2rem 1.5rem;
    box-shadow: 8px 8px 0 rgba(255,77,0,0.1);
    transition: transform 0.2s;
    border-left: 4px solid #ff4d00;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 12px 12px 0 rgba(255,77,0,0.2);
}

.card h3 {
    color: #ff4d00;
    font-size: 1.6rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

/* === RNA / MENTIONS === */
.rna-footer {
    margin-top: 4rem;
    padding: 1.5rem 0;
    border-top: 1px solid #333;
    display: flex;
    justify-content: space-between;
    font-family: monospace;
    color: #888;
    font-size: 0.9rem;
}

/* === FORMS === */
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: #1e1e1e;
    border: 1px solid #444;
    color: #fff;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #ff4d00;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    .nav-menu {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .hero h2 {
        font-size: 2.5rem;
    }
}