:root {
    --primary-color: #ff6b00; /* Vibrant Orange representing mining/energy */
    --hover-color: #e65c00;
    --dark-bg: #1a1b1f;
    --light-bg: #f8f9fa;
    --text-main: #333333;
    --text-muted: #6c757d;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    overflow-x: hidden;
}

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--hover-color);
    border-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 107, 0, 0.3);
}

/* Navbar Tuning */
.navbar.bg-dark {
    background-color: var(--dark-bg) !important;
    transition: background-color 0.3s ease, padding 0.3s ease, box-shadow 0.3s ease;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.navbar.scrolled {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
    background-color: rgba(26, 27, 31, 0.95) !important;
    backdrop-filter: blur(10px);
}

.brand-text {
    font-size: 1.5rem;
    letter-spacing: 1px;
}

.nav-link {
    font-weight: 600;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85) !important;
    transition: color 0.3s ease;
    position: relative;
    margin: 0 0.5rem;
}

.nav-link:hover {
    color: #fff !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:not(.btn):hover::after,
.nav-link.active:not(.btn)::after {
    width: 100%;
}

.nav-link.active:not(.btn) {
    color: var(--primary-color) !important;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Sections */
.section-padding {
    padding: 100px 0;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 3rem;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Generic Hero placeholder */
.hero-wrapper {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background-color: transparent;
    overflow: hidden;
    z-index: 1;
}

/* Service Cards */
.service-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.05);
    padding: 2.5rem 2rem;
    transition: all 0.4s ease;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--hover-color));
    z-index: -1;
    transition: height 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover * {
    color: #fff !important;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
}

/* Value & Comp Cards */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
}

.glass-panel.dark {
    background: rgba(0, 0, 0, 0.2);
}

/* Core Values icons */
.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Background Utility */
.bg-gradient-dark {
    background: linear-gradient(135deg, #111 0%, #1a1b1f 100%);
    color: white;
}

/* Footer Links */
.footer-links li {
    margin-bottom: 0.8rem;
}
.footer-links a {
    transition: color 0.3s;
}
.footer-links a:hover {
    color: var(--primary-color) !important;
}

/* Gallery Utility */
.gallery-item {
    transition: all 0.4s ease;
    cursor: pointer;
}
.gallery-img {
    transition: transform 0.6s ease;
}
.gallery-item:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,0.1) !important;
}
.gallery-item:hover .gallery-img {
    transform: scale(1.08);
}
.object-fit-cover {
    object-fit: cover;
}