:root {
    --industrial-dark: #002d5b;
    --industrial-blue-light: #004a8c;
    --safety-yellow: #ffcc00;
    --safety-orange: #f26522;
    --text-dark: #1a1a1a;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    color: var(--industrial-dark);
}

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

.bg-industrial-dark h1, 
.bg-industrial-dark h2, 
.bg-industrial-dark h3, 
.bg-industrial-dark h4, 
.bg-industrial-dark h5, 
.bg-industrial-dark h6,
.bg-industrial-dark .lead,
.bg-industrial-dark p:not(.text-warning) {
    color: #ffffff !important;
}

.text-warning {
    color: var(--safety-yellow) !important;
}

.btn-warning {
    background-color: var(--safety-yellow);
    border-color: var(--safety-yellow);
    color: var(--industrial-dark);
}

.btn-warning:hover {
    background-color: #e6b800;
    border-color: #e6b800;
    color: var(--industrial-dark);
}

.navbar-nav .nav-link {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar-nav .nav-link:hover {
    color: var(--safety-yellow) !important;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 160px 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 45, 91, 0.85), rgba(0, 45, 91, 0.6));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 4rem;
    color: white;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
}

/* Section Padding */
.section-padding {
    padding: 80px 0;
}

/* Service Cards */
.service-card {
    border: none;
    border-radius: 4px;
    background: white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-bottom: 4px solid var(--safety-yellow);
}

.service-card .icon-box {
    width: 70px;
    height: 70px;
    background: var(--bg-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--industrial-dark);
    font-size: 1.8rem;
    transition: all 0.3s ease;
}

.service-card:hover .icon-box {
    background: var(--industrial-dark);
    color: var(--safety-yellow);
}

/* Project Cards */
.project-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    height: 300px;
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-overlay {
    position: absolute;
    bottom: 0 !important;
    left: 0;
    width: 100%;
    padding: 40px 20px 20px !important;
    background: linear-gradient(to top, rgba(0,45,91,0.95) 0%, rgba(0,45,91,0.7) 50%, transparent 100%) !important;
    transition: all 0.4s ease;
    z-index: 2;
}

.project-overlay h5, 
.project-overlay h6, 
.project-overlay p {
    color: #ffffff !important;
}

.project-card:hover .project-overlay {
    bottom: 0 !important;
}

.project-card:hover img {
    transform: scale(1.1);
}

/* CTA Section */
.cta-section {
    background: var(--safety-orange);
    color: white;
    padding: 60px 0;
}

/* Footer Links */
.footer-links a {
    color: #cbd5e0 !important; /* Lighter gray for better contrast */
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--safety-yellow) !important;
    padding-left: 5px;
}

.footer-text {
    color: #a0aec0; /* Subdued but readable gray */
}

.contact-info li span {
    color: #e2e8f0 !important; /* Very light gray for contact details */
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    color: white;
}

/* Custom Highlight Cards */
.highlight-card {
    background: white;
    padding: 30px;
    border-radius: 4px;
    text-align: center;
    border-top: 5px solid var(--industrial-dark);
    height: 100%;
}

/* Helper Classes */
.opacity-75 { opacity: 0.75; }
.hover-opacity-100:hover { opacity: 1 !important; }
.transition-all { transition: all 0.3s ease; }

footer h6 {
    color: #ffffff !important;
    letter-spacing: 1px;
    text-transform: uppercase;
}