:root {
            --primary-color: rgba(101, 102, 102, 1);
            --secondary-color: rgba(241, 106, 33, 1);
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #34393f;
            --text-color: #333;
            --background-color: #fff;
            --border-radius: 4px;
            --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--background-color);
        }

        /* Headings */
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
            color: white;
            margin: 0 0 1rem 0;
            line-height: 1.2;
            font-weight: 700;
        }

        h1 { font-size: 2.4rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.125rem; }
        h5 { font-size: 1rem; }
        h6 { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; }

        /* Keep hero h1 larger via its specific selector (no change needed) */

        @media (max-width: 768px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            h3 { font-size: 1.2rem; }
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header styles */
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--box-shadow);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            margin-right: 10px;
        }
        
        .logo-text {
            font-size: 1.8rem;
            font-weight: bold;
        }
        
        .logo-text span {
            color: var(--secondary-color);
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 1.5rem;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            transition: var(--transition);
            font-weight: 550;
            position: relative;
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        
        nav ul li a:hover {
            color: var(--secondary-color);
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        /* Hero section */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/hero/hero.webp') no-repeat center center/cover;
            height: 80vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            padding: 2rem 0;
        }
        
        .hero-content {
            max-width: 800px;
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }
        
        .hero p {
            font-size: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .highlight {
            color: var(--secondary-color);
            font-weight: bold;
        }
        
        /* Section styles */
        section {
            padding: 5rem 0;
        }
        
        section:nth-child(even) {
            background-color: var(--light-color);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            color: var(--primary-color);
            position: relative;
        }
        
        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
            margin: 0.5rem auto;
        }
        
        /* About section */
        .about-content {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }
        
        .about-text {
            flex: 1;
            min-width: 300px;
        }
        
        .about-text p {
            margin-bottom: 1.5rem;
        }
        
        .features {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-top: 2rem;
        }
        
        .feature {
            flex: 1;
            min-width: 250px;
            text-align: center;
            padding: 1.5rem;
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        
        .feature:hover {
            transform: translateY(-5px);
        }
        
        .feature i {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }
        
        .feature h3 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        
        .about-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* Services section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .service-card {
            background-color: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            border-top: 4px solid var(--secondary-color);
        }
        
        .service-card:hover {
            transform: translateY(-5px);
        }
        
        .service-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .service-content {
            padding: 1.5rem;
        }
        
        .service-content h3 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        
        /* Production section */
        .production-content {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }
        
        .production-text {
            flex: 1;
            min-width: 300px;
        }
        
        .production-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        
        .production-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* Regeneration section */
        .regeneration-content {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            align-items: center;
        }
        
        .regeneration-text {
            flex: 1;
            min-width: 300px;
        }
        
        .regeneration-image {
            flex: 1;
            min-width: 300px;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        
        .regeneration-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* Gallery section */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        
        .gallery-item {
            border-radius: var(--border-radius);
            overflow: hidden;
            position: relative;
            height: 250px;
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.3);
            opacity: 0;
            transition: var(--transition);
        }
        
        .gallery-item:hover::after {
            opacity: 1;
        }
        
        /* Contact section */
        .contact-container {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
        }
        
        .contact-info {
            flex: 1;
            min-width: 300px;
        }
        
        .contact-info h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .contact-details {
            margin-bottom: 2rem;
        }
        
        .contact-details p {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
        }
        
        .contact-details i {
            margin-right: 0.5rem;
            color: var(--secondary-color);
            width: 20px;
        }
        
        .map {
            flex: 1;
            min-width: 300px;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        
        .map iframe {
            width: 100%;
            height: 100%;
            min-height: 300px;
            border: none;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 2rem 0;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-section h3 {
            margin-bottom: 1rem;
            color: var(--secondary-color);
        }
        
        .footer-bottom {
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1rem;
            text-align: center;
        }
        
        /* Responsive styles */
        @media (max-width: 768px) {
            /* Keep header items (logo + toggle) on one line on mobile */
            .header-container {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
            
            nav ul {
                margin-top: 1rem;
                justify-content: center;
            }
            
            nav ul li {
                margin: 0 0.5rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            /* Hide desktop nav and show mobile toggle */
            header nav { display: none; }
            .mobile-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
                background: transparent;
                border: 2px solid rgba(255,255,255,0.15);
                color: white;
                margin-top: 0;
                margin-left: 8px;
                padding: 0.4rem 0.5rem;
                border-radius: 6px;
                font-size: 1.1rem;
                cursor: pointer;
            }
            
            .mobile-toggle i { pointer-events: none; }
            /* smaller logo on mobile */
            .logo img { height: 36px; width: auto; }
        }
        
        /* Utility classes */
        .btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: rgb(0, 0, 0);
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: bold;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 1px;
        }
        
        .btn:hover {
            background-color: #1c6ea4;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

/* Off-canvas mobile menu (right side) */
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 95;
}
.menu-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: 300px;
    max-width: 85%;
    background: linear-gradient(180deg, var(--primary-color), var(--dark-color));
    color: white;
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(.2,.9,.2,1);
    z-index: 100;
    padding: 1.5rem;
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
}
.mobile-menu.open {
    transform: translateX(0);
}

.mobile-menu-close {
    align-self: flex-end;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
}

.mobile-menu nav {
    margin-top: 1rem;
}
.mobile-menu nav ul {
    list-style: none;
    padding: 0;
    display: block; /* ensure vertical stacking on mobile */
}
.mobile-menu nav ul li {
    margin: 0.6rem 0;
}
.mobile-menu nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.05rem;
    display: block;
    padding: 0.5rem 0.25rem;
    border-radius: 4px;
}
.mobile-menu nav ul li a:hover {
    background: rgba(255,255,255,0.05);
    color: var(--secondary-color);
}

/* Ensure desktop nav remains visible on larger screens */
@media (min-width: 769px) {
    .mobile-toggle, .mobile-menu, .menu-overlay { display: none; }
}
        
        .text-center {
            text-align: center;
        }
        
        .mb-2 {
            margin-bottom: 2rem;
        }

        /* Floating language switcher */
        .lang-switcher {
            position: fixed;
            right: 18px;
            bottom: 18px;
            z-index: 200;
            font-family: inherit;
        }
        .lang-toggle {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--secondary-color);
            color: white;
            border: none;
            padding: 8px 10px;
            border-radius: 28px;
            box-shadow: 0 6px 18px rgba(0,0,0,0.2);
            cursor: pointer;
        }
        .lang-toggle img { display: inline-block; vertical-align: middle; border-radius: 2px; }
        .lang-list {
            display: none;
            position: absolute;
            right: 0;
            bottom: 48px;
            width: 150px;
            max-height: 180px;
            overflow-y: auto;
            background: white;
            color: var(--primary-color);
            border-radius: 8px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
            padding: 8px 6px;
        }
        .lang-switcher.open .lang-list { display: block; }
        .lang-list li { list-style: none; }
        .lang-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            color: inherit;
            text-decoration: none;
            border-radius: 6px;
        }
        .lang-list a:hover { background: rgba(0,0,0,0.04); }

        /* small screens: slightly smaller */
        @media (max-width: 480px){
            .lang-toggle { padding: 7px 9px; }
            .lang-list { width: 180px; bottom: 44px; }
        }