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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #fff;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        header {
            background-color: #f8f9fa;
            padding: 8px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 30px;
            max-width: 100%; /* Full edge width */
            padding: 0 30px; /* Minimal edge padding */
        }

        .logo {
            height: 45px;
            width: auto;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: #555;
            font-weight: 500;
            transition: color 0.3s;
        }

        nav a:hover,
        nav a.active {
            color: #ff6600; text-decoration: underline; text-decoration-color: #ff6600; text-decoration-thickness: 2px; text-underline-offset: 5px;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('../../images/electroless-nickel-plating.jpg') center/cover no-repeat;
            color: white;
            padding: 140px 0;
            text-align: center;
        }

        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
            font-weight: 700;
            letter-spacing: -1px;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }

        .hero p {
            font-size: 20px;
            margin-bottom: 30px;
            opacity: 0.95;
            text-shadow: 0 2px 8px rgba(0,0,0,0.5);
        }

        .cta-button {
            display: inline-block;
            background-color: #ff6b35;
            color: white;
            padding: 14px 40px;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: background-color 0.3s;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }

        .cta-button:hover {
            background-color: #e55a24;
        }

        /* About Section */
        .about {
            padding: 80px 0;
            background-color: #fff;
        }

        .section-title {
            font-size: 36px;
            text-align: center;
            margin-bottom: 20px;
            color: #0066cc;
        }

        .section-subtitle {
            text-align: center;
            color: #666;
            margin-bottom: 50px;
            font-size: 16px;
        }

        .about-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .about-card {
            padding: 25px;
            background-color: #f8f9fa;
            border-radius: 4px;
            border-left: 4px solid #0066cc;
        }

        .about-card h3 {
            color: #0066cc;
            margin-bottom: 12px;
            font-size: 18px;
        }

        .about-card p {
            color: #666;
            line-height: 1.8;
        }

        /* Services Section */
        .services {
            padding: 80px 0;
            background-color: #f8f9fa;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 50px;
        }

        .service-card {
            background-color: white;
            padding: 30px;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 16px rgba(0,0,0,0.12);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 15px;
            color: #0066cc;
        }

        .service-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 4px;
            margin-bottom: 15px;
        }

        .service-card h3 {
            color: #333;
            margin-bottom: 12px;
            font-size: 18px;
        }

        .service-card p {
            color: #666;
            font-size: 14px;
            line-height: 1.7;
        }


        /* Service Detail Modal */
        .service-card {
            cursor: pointer;
        }

        .service-card:focus-visible {
            outline: 3px solid #ff6b35;
            outline-offset: 4px;
        }

        .service-card::after {
            content: "Click to view details →";
            display: block;
            margin-top: 18px;
            color: #0066cc;
            font-size: 12px;
            font-weight: 700;
            opacity: 0;
            transform: translateY(4px);
            transition: opacity 0.25s, transform 0.25s;
        }

        .service-card:hover::after,
        .service-card:focus-visible::after {
            opacity: 1;
            transform: translateY(0);
        }

        .service-modal {
            position: fixed;
            inset: 0;
            z-index: 1000;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 24px;
            background: rgba(5, 22, 40, 0.78);
            backdrop-filter: blur(5px);
        }

        .service-modal.active {
            display: flex;
            animation: modalFade 0.22s ease-out;
        }

        .service-modal-panel {
            width: min(1000px, 100%);
            max-height: min(900px, 92vh);
            overflow: auto;
            background: #fff;
            border-radius: 14px;
            box-shadow: 0 25px 70px rgba(0,0,0,0.3);
            position: relative;
            animation: modalSlide 0.25s ease-out;
        }

        .service-modal-hero {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            min-height: 310px;
            background: #f5f9fd;
        }

        .service-modal-image {
            width: 100%;
            height: 100%;
            min-height: 310px;
            object-fit: cover;
        }

        .service-modal-intro {
            padding: 42px 42px 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .service-modal-icon {
            font-size: 42px;
            margin-bottom: 10px;
        }

        .service-modal-intro h2 {
            color: #0066cc;
            font-size: 32px;
            line-height: 1.2;
            margin-bottom: 14px;
        }

        .service-modal-intro .lead {
            color: #555;
            font-size: 16px;
            line-height: 1.8;
        }

        .service-modal-content {
            padding: 34px 42px 42px;
        }

        .service-detail-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
            margin-top: 22px;
        }

        .service-detail-box {
            background: #f7faff;
            border: 1px solid #e2edf8;
            border-left: 4px solid #0066cc;
            border-radius: 8px;
            padding: 20px;
        }

        .service-detail-box h4 {
            color: #0066cc;
            font-size: 16px;
            margin-bottom: 9px;
        }

        .service-detail-box p,
        .service-detail-box li {
            color: #5d6670;
            font-size: 14px;
            line-height: 1.75;
        }

        .service-detail-box ul {
            padding-left: 18px;
            margin: 0;
        }

        .service-modal-footer {
            margin-top: 28px;
            padding: 20px 0 0;
            border-top: 1px solid #e5e5e5;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .service-modal-footer p {
            color: #666;
            font-size: 14px;
        }

        .modal-close {
            position: absolute;
            top: 14px;
            right: 14px;
            width: 42px;
            height: 42px;
            border: 0;
            border-radius: 50%;
            background: rgba(0,0,0,0.62);
            color: #fff;
            font-size: 25px;
            line-height: 1;
            cursor: pointer;
            z-index: 3;
        }

        .modal-close:hover {
            background: #0066cc;
        }

        body.modal-open {
            overflow: hidden;
        }

        @keyframes modalFade {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes modalSlide {
            from { opacity: 0; transform: translateY(20px) scale(0.98); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        @media (max-width: 700px) {
            .service-modal {
                padding: 10px;
            }

            .service-modal-panel {
                max-height: 96vh;
                border-radius: 10px;
            }

            .service-modal-hero {
                grid-template-columns: 1fr;
            }

            .service-modal-image {
                height: 220px;
                min-height: 220px;
            }

            .service-modal-intro,
            .service-modal-content {
                padding: 25px 22px;
            }

            .service-modal-intro h2 {
                font-size: 22px;
            }

            .service-detail-grid {
                grid-template-columns: 1fr;
            }

            .service-modal-footer {
                align-items: flex-start;
                flex-direction: column;
            }
        }

        /* Capabilities Section */
        .capabilities {
            padding: 80px 0;
            background-color: white;
        }

        .capabilities-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .capability-item {
            padding: 20px;
            background-color: #f0f6ff;
            border-radius: 4px;
            border-left: 4px solid #ff6b35;
        }

        .capability-item h4 {
            color: #0066cc;
            margin-bottom: 8px;
            font-size: 15px;
        }

        .capability-item p {
            color: #666;
            font-size: 13px;
            line-height: 1.6;
        }

        /* Clients Section */
        .clients {
            padding: 80px 0;
            background-color: #f8f9fa;
        }

        .marquee-wrapper {
            overflow: hidden;
            white-space: nowrap;
            position: relative;
            width: 100%;
            margin-top: 40px;
            padding: 30px 0;
            background: #fff;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02) inset;
        }
        
        .marquee-wrapper::before,
        .marquee-wrapper::after {
            content: '';
            position: absolute;
            top: 0;
            width: 100px;
            height: 100%;
            z-index: 2;
        }
        
        .marquee-wrapper::before {
            left: 0;
            background: linear-gradient(to right, #f8f9fa 0%, rgba(248, 249, 250, 0) 100%);
        }
        
        .marquee-wrapper::after {
            right: 0;
            background: linear-gradient(to left, #f8f9fa 0%, rgba(248, 249, 250, 0) 100%);
        }

        .marquee-content {
            display: inline-block;
            animation: marquee 40s linear infinite;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        .marquee-content:hover {
            animation-play-state: paused;
        }

        .marquee-item {
            display: inline-block;
            padding: 0 40px;
            font-size: 22px;
            font-weight: 900;
            color: #a0a0a0;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: color 0.3s, transform 0.3s;
            cursor: default;
        }
        
        .marquee-item:hover {
            color: #ff6600;
            transform: scale(1.1);
        }

        /* Entrepreneur Section */
        .entrepreneur {
            padding: 80px 0;
            background-color: white;
        }

        .entrepreneur-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-top: 40px;
        }

        .entrepreneur-text h3 {
            color: #0066cc;
            margin-bottom: 15px;
            font-size: 22px;
        }

        .entrepreneur-text p {
            color: #666;
            margin-bottom: 15px;
            line-height: 1.8;
        }

        .experience-list {
            list-style: none;
            margin-top: 20px;
        }

        .experience-list li {
            padding: 8px 0;
            color: #555;
            padding-left: 25px;
            position: relative;
        }

        .experience-list li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #0066cc;
            font-weight: bold;
        }

        .entrepreneur-image {
            background: linear-gradient(135deg, #e0f4ff 0%, #f0f6ff 100%);
            padding: 40px;
            border-radius: 4px;
            text-align: center;
            color: #0066cc;
            font-size: 14px;
        }

        /* Contact Section */
        .contact {
            padding: 80px 0;
            background-color: #f8f9fa;
        }

        .contact-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .contact-card {
            background-color: white;
            padding: 30px;
            border-radius: 4px;
            text-align: center;
        }

        .contact-card .icon {
            font-size: 36px;
            color: #0066cc;
            margin-bottom: 15px;
        }

        .contact-card h3 {
            color: #333;
            margin-bottom: 10px;
            font-size: 16px;
        }

        .contact-card p {
            color: #666;
            word-break: break-all;
        }

        .contact-card a {
            color: #0066cc;
            text-decoration: none;
            font-weight: 600;
        }

        .contact-card a:hover {
            text-decoration: underline;
        }

        /* Footer */
        footer {
            background-color: #1a1a1a;
            color: white;
            padding: 30px 0;
            text-align: center;
        }

        footer p {
            margin-bottom: 10px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }

            nav ul {
                gap: 15px;
                font-size: 14px;
            }

            .entrepreneur-content {
                grid-template-columns: 1fr;
            }

            .services-grid,
            .capabilities-grid,
            .clients-grid {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            }
        }

        @media (max-width: 480px) {
            nav ul {
                display: none;
            }

            .hero h1 {
                font-size: 24px;
            }

            .hero p {
                font-size: 16px;
            }

            .section-title {
                font-size: 24px;
            }
        }
    
        /* Premium Certificates Section */
        .certificates-premium {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }
        .cert-grid {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        .cert-card {
            background: #ffffff;
            width: 380px;
            padding: 15px 15px 25px;
            border-radius: 12px;
            text-align: center;
            text-decoration: none;
            box-shadow: 0 10px 40px rgba(0,0,0,0.06);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
        }
        .cert-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 4px;
            background: #ff6600;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .cert-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(255, 102, 0, 0.15);
        }
        .cert-card:hover::before {
            transform: scaleX(1);
        }
        .cert-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 25px;
            color: #004fa3;
            transition: color 0.3s;
        }
        .cert-card:hover .cert-icon {
            color: #ff6600;
        }
        .cert-card h3 {
            color: #111;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .cert-card p {
            color: #777;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

                /* Premium Contact Section */
        .contact-premium {
            padding: 70px 0;
            background-color: #ffffff;
            color: #333;
            position: relative;
        }
        .contact-premium .section-title {
            color: #111;
        }
        .contact-premium .section-subtitle {
            color: #666;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }
        .contact-item {
            display: block;
            background: #ffffff;
            padding: 30px 25px;
            border-radius: 8px;
            border: 1px solid #eaeaea;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
            text-decoration: none;
            color: inherit;
        }
        .contact-item:hover {
            transform: translateY(-4px);
            border-color: #ff6600;
            box-shadow: 0 10px 25px rgba(255, 102, 0, 0.08);
        }
        .contact-icon {
            width: 36px;
            height: 36px;
            color: #ff6600;
            margin-bottom: 15px;
        }
        .contact-item h3 {
            font-size: 15px;
            margin-bottom: 10px;
            color: #111;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .contact-item p {
            color: #555;
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 5px;
        }


        /* Global Mobile Overrides & Hamburger Menu */
        .menu-toggle {
            display: none;
            font-size: 28px;
            cursor: pointer;
            color: #004fa3;
            user-select: none;
        }
        @media (max-width: 768px) {
            .services-grid, .capabilities-grid, .clients-grid, .info-grid, .split-section, .entrepreneur-content {
                grid-template-columns: 1fr !important;
                flex-direction: column !important;
                align-items: center;
            }
            .logo {
                height: 45px !important;
            }
            .brand span {
                font-size: 20px !important;
            }
            header .container {
                flex-wrap: wrap;
                gap: 0 !important;
                padding: 0 20px;
                max-width: 100%;
            }
            .menu-toggle {
                display: block;
            }
            nav {
                width: 100%;
            }
            nav ul {
                display: none !important;
                flex-direction: column;
                width: 100%;
                background: #f8f9fa;
                padding: 15px 0;
                margin-top: 10px;
                border-top: 1px solid #ddd;
                gap: 15px !important;
            }
            nav ul.active {
                display: flex !important;
            }
            .service-hero {
                padding: 50px 20px !important;
            }
            .service-hero h1 {
                font-size: 28px !important;
            }
            .app-container {
                padding: 10px !important;
            }
            .split-content h3 {
                font-size: 24px !important;
            }
        }
    
        /* Premium Certificates Section */
        .certificates-premium {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }
        .cert-grid {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 50px;
            flex-wrap: wrap;
        }
        .cert-card {
            background: #ffffff;
            width: 380px;
            padding: 15px 15px 25px;
            border-radius: 12px;
            text-align: center;
            text-decoration: none;
            box-shadow: 0 10px 40px rgba(0,0,0,0.06);
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
        }
        .cert-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 4px;
            background: #ff6600;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .cert-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(255, 102, 0, 0.15);
        }
        .cert-card:hover::before {
            transform: scaleX(1);
        }
        .cert-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 25px;
            color: #004fa3;
            transition: color 0.3s;
        }
        .cert-card:hover .cert-icon {
            color: #ff6600;
        }
        .cert-card h3 {
            color: #111;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .cert-card p {
            color: #777;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

                /* Premium Contact Section */
        .contact-premium {
            padding: 70px 0;
            background-color: #ffffff;
            color: #333;
            position: relative;
        }
        .contact-premium .section-title {
            color: #111;
        }
        .contact-premium .section-subtitle {
            color: #666;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }
        .contact-item {
            display: block;
            background: #ffffff;
            padding: 30px 25px;
            border-radius: 8px;
            border: 1px solid #eaeaea;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
            text-decoration: none;
            color: inherit;
        }
        .contact-item:hover {
            transform: translateY(-4px);
            border-color: #ff6600;
            box-shadow: 0 10px 25px rgba(255, 102, 0, 0.08);
        }
        .contact-icon {
            width: 36px;
            height: 36px;
            color: #ff6600;
            margin-bottom: 15px;
        }
        .contact-item h3 {
            font-size: 15px;
            margin-bottom: 10px;
            color: #111;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .contact-item p {
            color: #555;
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 5px;
        }

#header-placeholder { position: sticky; top: 0; z-index: 100; }
/* Article specific styles restored from Zinc-Plating.html */
.article-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 40px;
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-radius: 8px;
}
.article-container h1 {
    color: #004fa3;
    margin-bottom: 20px;
    border-bottom: 2px solid #ff6600;
    padding-bottom: 10px;
}
.article-container h2 {
    color: #333;
    margin-top: 30px;
    margin-bottom: 15px;
}
.article-container p {
    margin-bottom: 15px;
    color: #555;
    line-height: 1.7;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 14px;
}
.data-table th, .data-table td {
    border: 1px solid #ddd;
    padding: 10px;
    text-align: center;
    color: #333;
}
.data-table th {
    background-color: #f4f7f6;
    color: #004fa3;
    font-weight: 600;
}
.note {
    font-size: 13px;
    color: #666;
    font-style: italic;
    background: #f9f9f9;
    padding: 10px;
    border-left: 3px solid #ff6600;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
}

.image-modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: modalFade 0.22s ease-out;
}

.image-modal-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.image-modal-close:hover,
.image-modal-close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}


.cert-thumbnail {
    width: 100%;
    height: 380px;
    object-fit: contain;
    margin-bottom: 25px;
    border-radius: 4px;
    transition: transform 0.3s ease;
}

.cert-card:hover .cert-thumbnail {
    transform: scale(1.03);
}

.contact-link {
    color: #0066cc;
    text-decoration: none;
    transition: text-decoration 0.2s;
}

.contact-link:hover {
    text-decoration: underline;
}

/* Floating Contact Bar */
.floating-contact-bar {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}

.floating-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s, background-color 0.3s;
}

.floating-contact-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
    color: white;
}

.floating-contact-btn svg {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.floating-contact-btn.whatsapp {
    background-color: #25D366;
}

.floating-contact-btn.whatsapp:hover {
    background-color: #1ea952;
}

.floating-contact-btn.phone {
    background-color: #ff6600;
}

.floating-contact-btn.phone:hover {
    background-color: #e65c00;
}