/* Palette: Anthracite, Safety Yellow, Metallic Grey */
:root {
    --dark: #2B2B2B;
    --darker: #1A1A1A;
    --yellow: #FFD700;
    --yellow-dark: #ccac00;
    --metal: #B0B3B8;
    --white: #FFFFFF;
    
    --font-head: 'Russo One', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

body {
    background-color: var(--darker);
    color: var(--metal);
    font-family: var(--font-body);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 80px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; border-radius: 4px; }

/* Hazard Strip */
.hazard-strip {
    height: 8px;
    background: repeating-linear-gradient(
        45deg,
        var(--dark),
        var(--dark) 10px,
        var(--yellow) 10px,
        var(--yellow) 20px
    );
}

/* Header */
.ind-header { background: var(--dark); padding: 20px 0; border-bottom: 2px solid #444; position: sticky; top: 0; z-index: 1000; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-head); font-size: 1.8rem; color: var(--white); text-transform: uppercase; letter-spacing: 1px; }
.bolt-icon { color: var(--yellow); margin: 0 5px; }

.metal-nav a { margin-left: 25px; font-weight: 700; color: #888; text-transform: uppercase; font-size: 0.9rem; }
.metal-nav a:hover, .metal-nav a.active { color: var(--yellow); }

.header-contact { font-family: var(--font-head); color: var(--yellow); border: 1px solid var(--yellow); padding: 5px 15px; border-radius: 2px; font-size: 0.8rem; }

.mobile-toggle { display: none; background: #333; color: var(--white); border: none; padding: 5px 10px; font-weight: 700; cursor: pointer; }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 0; right: -100%; width: 300px; height: 100%; background: var(--darker); z-index: 2000; padding: 50px; transition: 0.3s; border-left: 3px solid var(--yellow); }
.mobile-menu.active { right: 0; }
.close-btn { background: none; border: 1px solid #555; color: var(--white); padding: 5px 10px; margin-bottom: 30px; cursor: pointer; font-weight: 700; }
.mobile-menu a { display: block; font-family: var(--font-head); font-size: 1.5rem; color: var(--white); margin-bottom: 20px; }
.mobile-menu a:hover { color: var(--yellow); }

@media (max-width: 900px) {
    .metal-nav, .header-contact { display: none; }
    .mobile-toggle { display: block; }
}

/* Hero */
.hero-factory { height: 85vh; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; }
.hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-size: cover; background-position: center; z-index: 0; filter: grayscale(80%); }
.hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 800px; }

.iso-badge { display: inline-block; background: var(--white); color: var(--dark); font-weight: 700; padding: 5px 10px; font-size: 0.8rem; margin-bottom: 20px; border-radius: 2px; }
.hero-content h1 { font-family: var(--font-head); font-size: 4rem; line-height: 1; margin-bottom: 20px; color: var(--white); text-transform: uppercase; }
.yellow-text { color: var(--yellow); }
.hero-content p { font-size: 1.2rem; color: #ccc; margin-bottom: 40px; }

.btn-group { display: flex; justify-content: center; gap: 20px; }
.btn-yellow { background: var(--yellow); color: var(--dark); padding: 15px 40px; font-weight: 700; text-transform: uppercase; border: none; cursor: pointer; transition: 0.3s; }
.btn-yellow:hover { background: var(--yellow-dark); }
.btn-steel { background: #444; color: var(--white); padding: 15px 40px; font-weight: 700; text-transform: uppercase; transition: 0.3s; }
.btn-steel:hover { background: #555; }

/* Stats */
.stats-steel { background: var(--dark); border-top: 1px solid #444; border-bottom: 1px solid #444; padding: 40px 0; }
.stats-grid { display: flex; justify-content: space-around; text-align: center; }
.stat-box strong { display: block; font-family: var(--font-head); font-size: 3rem; color: var(--white); line-height: 1; }
.stat-box span { color: var(--yellow); font-weight: 700; font-size: 0.9rem; }

/* Services */
.section-head h2 { font-family: var(--font-head); font-size: 2.5rem; color: var(--white); margin-bottom: 10px; }
.yellow-bar { width: 80px; height: 5px; background: var(--yellow); margin-bottom: 40px; }
.yellow-bar.left { margin-right: auto; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--dark); border: 1px solid #333; padding: 20px; transition: 0.3s; }
.service-card:hover { border-color: var(--yellow); transform: translateY(-5px); }
.card-img { margin-bottom: 20px; border-bottom: 3px solid var(--yellow); }
.card-img img { width: 100%; height: 200px; object-fit: cover; }
.service-card h3 { font-family: var(--font-head); color: var(--white); margin-bottom: 10px; font-size: 1.3rem; }

/* Machine List */
.machine-list { display: flex; flex-direction: column; gap: 30px; max-width: 900px; margin: 0 auto; }
.machine-row { display: flex; gap: 30px; background: var(--dark); padding: 30px; border-left: 5px solid var(--yellow); align-items: flex-start; }
.m-icon { font-size: 2.5rem; }
.m-info h3 { font-family: var(--font-head); color: var(--white); margin-bottom: 10px; }
.specs { list-style: none; margin-top: 15px; color: #999; font-size: 0.9rem; }
.specs li::before { content: '>'; color: var(--yellow); margin-right: 5px; font-weight: 700; }

/* Sectors Grid */
.sectors-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.sector-card { position: relative; height: 300px; overflow: hidden; border-radius: 4px; }
.s-bg { width: 100%; height: 100%; background-size: cover; background-position: center; transition: 0.5s; }
.sector-card:hover .s-bg { transform: scale(1.1); }
.s-content { position: absolute; bottom: 0; left: 0; width: 100%; padding: 30px; background: linear-gradient(transparent, #000); color: var(--white); }
.s-content h3 { font-family: var(--font-head); font-size: 1.5rem; margin-bottom: 5px; color: var(--yellow); }

/* Contact Form */
.rfq-wrapper { max-width: 800px; margin: 0 auto; background: var(--dark); padding: 50px; border: 1px solid #444; }
.rfq-header { text-align: center; margin-bottom: 40px; border-bottom: 1px solid #333; padding-bottom: 20px; }
.rfq-header h2 { font-family: var(--font-head); color: var(--white); font-size: 2.5rem; margin-bottom: 10px; }
.factory-info { margin-top: 20px; color: var(--yellow); font-weight: 700; }

.industrial-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.input-grp { margin-bottom: 20px; }
.input-grp label { display: block; font-weight: 700; color: #888; font-size: 0.8rem; margin-bottom: 5px; }
.input-grp input, .input-grp select, .input-grp textarea { width: 100%; background: #333; border: 1px solid #555; color: var(--white); padding: 12px; font-family: var(--font-body); }
.input-grp input:focus, .input-grp select:focus, .input-grp textarea:focus { border-color: var(--yellow); outline: none; }
.full { width: 100%; }

/* Legal */
.legal-doc { max-width: 800px; margin: 0 auto; background: var(--dark); padding: 50px; border: 1px solid #333; }
.legal-doc h1 { font-family: var(--font-head); color: var(--white); }

/* Footer */
.ind-footer { background: #111; padding: 60px 0 20px; margin-top: 100px; border-top: 5px solid var(--yellow); }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.f-brand h4 { font-family: var(--font-head); color: var(--white); font-size: 1.5rem; margin-bottom: 5px; }
.f-links a { margin-left: 20px; color: #888; }
.f-links a:hover { color: var(--yellow); }
.copyright { text-align: center; font-size: 0.8rem; color: #555; }

@media (max-width: 900px) {
    .hero-content h1 { font-size: 2.8rem; }
    .grid-3, .machine-list, .sectors-grid, .industrial-form .form-row { grid-template-columns: 1fr; }
    .stats-grid { flex-direction: column; gap: 20px; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
    .btn-group { flex-direction: column; }
}