:root {
    --primary: #453e46;
    --primary-dark: #352f36;
    --text-main: #1a1a1a;
    --text-muted: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-dark: #0f0f0f;
    --border-color: #e5e5e5;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-main);
    line-height: 1.2;
}

a {
    text-decoration: none;
    transition: var(--transition);
}

/* Custom Utilities */
.text-accent { color: var(--primary); }
.bg-accent { 
    background-color: var(--primary); 
    color: #fff !important;
}

.bg-accent h1, 
.bg-accent h2, 
.bg-accent h3, 
.bg-accent h4, 
.bg-accent h5, 
.bg-accent h6 {
    color: #fff !important;
}

.section-padding { padding: 100px 0; }
@media (max-width: 991px) { .section-padding { padding: 80px 0; } }
@media (max-width: 768px) { .section-padding { padding: 60px 0; } }

.fw-800 { font-weight: 800; }
.ls-1 { letter-spacing: 1px; }

/* Buttons */
.btn-custom {
    padding: 14px 36px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    border-radius: 0;
    transition: var(--transition);
    text-transform: uppercase;
}

@media (max-width: 576px) {
    .btn-custom {
        padding: 12px 24px;
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

.btn-primary-custom {
    background-color: var(--primary);
    border: 1px solid var(--primary);
    color: #fff;
}

.btn-primary-custom:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-custom {
    background-color: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
}

.btn-outline-custom:hover {
    background-color: #fff;
    border-color: #fff;
    color: var(--text-main);
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    transition: var(--transition);
    background: rgba(15, 15, 15, 0.8);
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: #fff !important;
    letter-spacing: -0.02em;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255,255,255,0.7) !important;
    margin-left: 1.5rem;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1574689049868-e94ed5301745?ixlib=rb-4.0.3&auto=format&fit=crop&w=2000&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    color: #fff;
}

.hero-section h1,
.hero-section h2,
.hero-section h3,
.hero-section h4,
.hero-section h5,
.hero-section h6 {
    color: #fff;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 0 2.5rem;
}

@media (max-width: 1200px) {
    .hero-title { font-size: 3.5rem; }
}

@media (max-width: 991px) {
    .hero-title { font-size: 3rem; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.1rem; }
}

@media (max-width: 576px) {
    .hero-title { font-size: 2rem; }
}

/* Feature Box (Why Choose Us) */
.feature-box {
    padding: 40px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    height: 100%;
    transition: var(--transition);
}

.feature-box:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--bg-light);
    border-radius: 50%; /* Soften the harsh industrial look slightly */
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.feature-box:hover .feature-icon-wrapper {
    background: var(--primary);
    color: #fff;
}

/* Service Cards */
.service-card {
    position: relative;
    background: var(--bg-white);
    overflow: hidden;
    height: 100%;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--primary);
}

.service-img-wrapper {
    height: 240px;
    overflow: hidden;
}

.service-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card:hover .service-img {
    transform: scale(1.05);
}

.service-content {
    padding: 2rem;
}

.service-icon {
    position: absolute;
    top: 210px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Product Cards (Minimal) */
.product-card {
    background: var(--bg-white);
    border: none;
    transition: var(--transition);
}

.product-img {
    height: 300px;
    width: 100%;
    object-fit: cover;
    border-radius: 4px;
    filter: brightness(0.95);
    transition: var(--transition);
}

.product-card:hover .product-img {
    filter: brightness(1);
    transform: scale(1.02);
}

.product-overlay {
    margin-top: 1.5rem;
}

/* Client Row */
.client-row {
    padding: 20px 0;
    gap: 2rem;
}

.client-logo-box {
    width: 160px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.5;
    transition: var(--transition);
    filter: grayscale(100%);
}

.client-logo-box:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: none;
}

.client-img {
    max-height: 50px;
    max-width: 100%;
    object-fit: contain;
}

.logo-track {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 20px 0;
}

.logo-track::-webkit-scrollbar {
    display: none;
}

/* Contact Section */
.contact-section {
    background-color: var(--bg-dark);
    color: #fff;
}

.contact-section h1,
.contact-section h2,
.contact-section h3,
.contact-section h4,
.contact-section h5,
.contact-section h6 {
    color: #fff;
}

.contact-form-wrapper {
    background: #1a1a1a;
    padding: 3rem;
    border: 1px solid #333;
}

.form-control {
    background: transparent;
    border: 1px solid #333;
    color: #fff;
    padding: 1rem;
    border-radius: 0;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-control:focus {
    background: transparent;
    border-color: var(--primary);
    color: #fff;
    box-shadow: none;
}

/* Footer */
footer {
    background: #0a0a0a;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    border-top: 1px solid #1a1a1a;
}

.footer-heading {
    color: #fff;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-link {
    color: rgba(255,255,255,0.6);
    display: block;
    margin-bottom: 0.8rem;
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    background: #1a1a1a;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-right: 10px;
    transition: var(--transition);
}

.footer-social-link:hover {
    background: var(--primary);
}

/* Typography Utilities */
.display-4 { font-weight: 800; letter-spacing: -0.03em; }
.text-justify { text-align: justify; }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb { background: #ccc; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }