/* Industrial Dark Theme CSS Architecture Variables */
:root {
    --bg-deep: #0b0f17;       /* Core dark viewport background */
    --bg-surface: #131a26;    /* Secondary block surface */
    --bg-card: #1c2636;       /* High-contrast element frame */
    --accent: #f59e0b;       /* Mining/Industrial Amber Yellow */
    --accent-hover: #d97706; /* Darker amber element hover state */
    --text-pure: #ffffff;     /* High-legibility text headers */
    --text-dim: #9ca3af;      /* Secondary paragraph text color */
    --border-subtle: #263347; /* Geometric structural element framing */
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-stack);
    background-color: var(--bg-deep);
    color: var(--text-pure);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Action Elements & Buttons */
.btn-main, .btn-accent, .btn-outline {
    display: inline-block;
    padding: 14px 28px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.25s ease;
    border: none;
    cursor: pointer;
}

.btn-main {
    background-color: var(--accent);
    color: var(--bg-deep);
}

.btn-main:hover {
    background-color: var(--accent-hover);
}

.btn-accent {
    background-color: var(--bg-card);
    color: var(--text-pure);
    border: 1px solid var(--border-subtle);
}

.btn-accent:hover {
    background-color: var(--accent);
    color: var(--bg-deep);
    border-color: var(--accent);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-pure);
    border: 1px solid var(--text-dim);
}

.btn-outline:hover {
    border-color: var(--text-pure);
    background-color: rgba(255,255,255,0.05);
}

/* Main Navigation Bar Layout */
.main-header {
    background-color: var(--bg-deep);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.brand-logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: var(--text-pure);
}

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

.navigation a {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 600;
    margin-left: 32px;
    transition: color 0.2s ease;
}

.navigation a:hover {
    color: var(--text-pure);
}

/* Asymmetric Industrial Hero Layout */
.hero-split {
    padding: 100px 0;
    background-color: var(--bg-deep);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content .tagline {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.hero-content h1 {
    font-size: 3.4rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.hero-content p {
    color: var(--text-dim);
    font-size: 1.15rem;
    margin-bottom: 40px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
}

/* Nicepage Geometric Backdrop Mockup Styling */
.hero-graphic {
    position: relative;
    height: 450px;
}

.industrial-backdrop {
    width: 100%;
    height: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    position: relative;
    border-radius: 4px;
}

.accent-box {
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 160px;
    height: 160px;
    border-left: 4px solid var(--accent);
    border-bottom: 4px solid var(--accent);
    z-index: 1;
}

.overlay-card {
    position: absolute;
    bottom: 40px;
    right: -20px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 32px;
    max-width: 320px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    z-index: 2;
}

.overlay-card span {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

.overlay-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

/* Industrial Metrics Panel Block */
.stats-bar {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    text-align: center;
}

.stat-item h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item p {
    color: var(--text-dim);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Service Presentation Grid Blocks */
.services-section {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 64px;
}

.section-header .sub-title {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-top: 8px;
}

.services-matrix {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 48px 32px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card .card-num {
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(255,255,255,0.03);
    position: absolute;
    top: 16px;
    right: 24px;
    transition: color 0.3s ease;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
}

.service-card p {
    color: var(--text-dim);
    position: relative;
    z-index: 2;
}

/* Focused Active Card Style Imitation from Layout Layouts */
.service-card.active, .service-card:hover {
    background-color: var(--bg-card);
    border-color: var(--accent);
    transform: translateY(-4px);
}

.service-card.active .card-num, .service-card:hover .card-num {
    color: rgba(245, 158, 11, 0.1);
}

/* Call To Action Inline Capture Block */
.lead-capture {
    padding-bottom: 120px;
}

.capture-box {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
    border-left: 4px solid var(--accent);
}

.capture-text {
    flex: 1;
    min-width: 300px;
}

.capture-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.capture-text p {
    color: var(--text-dim);
}

.capture-action {
    flex: 1;
    min-width: 300px;
}

.lead-form {
    display: flex;
    width: 100%;
}

.lead-form input[type="email"] {
    background-color: var(--bg-deep);
    border: 1px solid var(--border-subtle);
    padding: 16px;
    color: var(--text-pure);
    font-size: 1rem;
    outline: none;
    flex: 1;
}

.lead-form input[type="email"]:focus {
    border-color: var(--accent);
}

/* Structural Site Footer */
.footer-dark {
    border-top: 1px solid var(--border-subtle);
    padding: 40px 0;
    font-size: 0.9rem;
    color: var(--text-dim);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 24px;
}

.footer-links a:hover {
    color: var(--text-pure);
}

/* Responsive View Adjustments */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
    .hero-cta-group { justify-content: center; }
    .hero-graphic { max-width: 500px; width: 100%; margin: 0 auto; }
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .capture-box { padding: 32px; }
    .lead-form { flex-direction: column; gap: 12px; }
    .navigation { display: none; } /* Simplified layout navigation */
}