:root {
            --brand-blue: #0056D2;
            --brand-dark: #1A1C1E;
            --light-gray: #F8F9FA;
            --border-color: #E9ECEF;
            --text-main: #333;
            --text-muted: #666;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--text-main);
            scroll-behavior: smooth;
        }

        /* Layout Containers */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation */
        nav {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }

        nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            height: 50px;
            width: auto;
        }

        .nav-links {
            display: none;
        }

        @media (min-width: 768px) {
            .nav-links {
                display: flex;
                gap: 30px;
            }
        }

        .nav-links a {
            text-decoration: none;
            color: var(--brand-dark);
            font-weight: 700;
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: var(--brand-blue);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .nav-social {
            display: none;
        }

        @media (min-width: 992px) {
            .nav-social {
                display: flex;
                align-items: center;
                gap: 8px;
            }
        }

        .nav-social a {
            width: 36px;
            height: 36px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-dark);
            border: 1px solid var(--border-color);
            background: white;
            transition: transform 0.2s, border-color 0.2s, color 0.2s;
        }

        .nav-social a:hover {
            transform: translateY(-2px);
            border-color: var(--brand-blue);
            color: var(--brand-blue);
        }

        .btn-call {
            background: var(--brand-blue);
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 800;
            box-shadow: 0 4px 15px rgba(0, 86, 210, 0.2);
            transition: transform 0.2s, background 0.3s;
        }

        .btn-call:hover {
            background: #0044a8;
            transform: translateY(-2px);
        }

        /* Hero Section */
        header {
            background-image: linear-gradient(rgba(26, 28, 30, 0.58), rgba(26, 28, 30, 0.58)), url('../media/images/banner.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
            align-items: center;
            justify-items: center;
        }

        .mobile-hero-social {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 22px;
        }

        .mobile-hero-social a {
            width: 38px;
            height: 38px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: white;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (min-width: 768px) {
            .mobile-hero-social {
                display: none;
            }
        }

        .hero-content h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            color: white;
            line-height: 1.1;
            margin-bottom: 24px;
            text-align: center;
        }

        .hero-content h1 span {
            color: #d6e8ff;
            text-shadow: 0 2px 14px rgba(0, 0, 0, 0.45);
        }

        .hero-content p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 35px;
            margin-left: auto;
            margin-right: auto;
            max-width: 500px;
            text-align: center;
        }

        .hero-actions {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-actions .btn-call,
        .hero-actions .btn-whatsapp {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            line-height: 1.2;
        }

        .btn-whatsapp {
            display: inline-block;
            background: #25D366;
            color: white;
            padding: 12px 24px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 800;
            line-height: 1.2;
            box-shadow: 0 4px 15px rgba(37, 211, 102, 0.25);
            transition: transform 0.2s, background 0.3s;
        }

        .btn-whatsapp:hover {
            background: #1fb85a;
            transform: translateY(-2px);
        }

        /* Trust Badges */
        .trust-bar {
            background: white;
            padding: 40px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .trust-flex {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            gap: 20px;
            opacity: 0.6;
            font-weight: 800;
            text-transform: uppercase;
            font-size: 14px;
        }

        @media (max-width: 767px) {
            .trust-flex {
                justify-content: center;
                gap: 12px;
            }

            .trust-flex > span {
                display: block;
                width: 100%;
                text-align: center;
            }
        }

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

        .section-title {
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 800;
        }

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

        .service-card {
            padding: 40px;
            background: var(--light-gray);
            border-radius: 20px;
            border-bottom: 4px solid var(--brand-dark);
            transition: transform 0.3s;
        }

        .service-card:hover {
            transform: translateY(-10px);
            border-bottom-color: var(--brand-blue);
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .service-card ul {
            list-style: none;
            color: var(--text-muted);
        }

        /* Areas Covered */
        .areas-section {
            background: var(--brand-dark);
            color: white;
        }

        .postcode-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 15px;
            margin-top: 40px;
        }

        .postcode-item {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Footer */
        footer {
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Gas Safe Section */
        .gas-safe-section {
            background: var(--light-gray);
        }

        .gas-safe-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 60px;
            align-items: center;
        }

        @media (min-width: 768px) {
            .gas-safe-grid {
                grid-template-columns: 260px 1fr;
            }
        }

        .gas-safe-badge-wrap {
            display: flex;
            justify-content: center;
        }

        .gas-safe-badge {
            background: white;
            border: 4px solid #c8102e;
            border-radius: 20px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(200, 16, 46, 0.15);
            width: 100%;
            max-width: 240px;
        }

        .gs-flame {
            font-size: 3rem;
            display: block;
            margin-bottom: 10px;
        }

        .gs-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: #c8102e;
            line-height: 1;
        }

        .gs-subtitle {
            font-size: 0.75rem;
            font-weight: 800;
            letter-spacing: 3px;
            color: var(--text-muted);
            margin: 6px 0 12px;
            text-transform: uppercase;
        }

        .gs-logo {
            width: 100%;
            max-width: 180px;
            height: auto;
            display: block;
            margin: 0 auto 16px;
        }

        .gs-number {
            display: block;
            font-family: Arial, sans-serif;
            font-size: 1.4rem;
            font-weight: 700;
            color: #1a1a1a;
            background: #FFFF00;
            padding: 8px 16px;
            border-radius: 12px;
            letter-spacing: 2px;
            text-align: center;
        }

        .gas-safe-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .gas-safe-content p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        .gs-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .gs-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-main);
            font-weight: 600;
        }

        .gs-list li::before {
            content: "✓  ";
            color: #c8102e;
            font-weight: 800;
        }

        .gs-verify {
            font-size: 0.9rem;
            color: var(--text-muted);
            background: white;
            padding: 12px 16px;
            border-radius: 8px;
            border-left: 4px solid var(--brand-blue);
        }

        .gs-verify a {
            color: var(--brand-blue);
            text-decoration: none;
        }

        .gs-competencies {
            margin-bottom: 24px;
        }

        .gs-competencies h4 {
            font-size: 0.85rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .gs-sub-heading {
            margin-top: 20px !important;
        }

        /* Footer social */
        .footer-social-links {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 8px;
        }

        .footer-social-links a {
            width: 38px;
            height: 38px;
            border-radius: 999px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            color: var(--brand-dark);
            background: white;
            transition: transform 0.2s, border-color 0.2s, color 0.2s;
        }

        .footer-social-links a:hover {
            transform: translateY(-2px);
            border-color: var(--brand-blue);
            color: var(--brand-blue);
        }

        /* Emergency Section */
        .emergency-section {
            background: #c8102e;
            color: white;
            padding: 80px 0;
        }

        .emergency-inner {
            display: grid;
            grid-template-columns: 1fr;
            gap: 50px;
            align-items: center;
        }

        @media (min-width: 992px) {
            .emergency-inner {
                grid-template-columns: 1fr 1fr;
            }
        }

        .emergency-text h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .emergency-text > p {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 24px;
        }

        .emergency-list {
            list-style: none;
        }

        .emergency-list li {
            padding: 8px 0;
            font-weight: 600;
            opacity: 0.9;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .emergency-list li::before {
            content: "⚠  ";
        }

        .emergency-cta {
            text-align: center;
        }

        .emergency-available {
            font-size: 0.95rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            opacity: 0.8;
            margin-bottom: 24px;
        }

        .btn-emergency {
            display: inline-block;
            background: white;
            color: #c8102e;
            padding: 20px 40px;
            border-radius: 12px;
            text-decoration: none;
            font-size: 1.3rem;
            font-weight: 800;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            transition: transform 0.2s, box-shadow 0.2s;
            margin-bottom: 20px;
        }

        .btn-emergency:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }

        .emergency-note {
            font-size: 0.85rem;
            opacity: 0.8;
            max-width: 340px;
            margin: 0 auto;
            line-height: 1.5;
        }

        /* Why Choose Us */
        .why-section {
            background: white;
        }

        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .why-card {
            padding: 36px 30px;
            border: 2px solid var(--border-color);
            border-radius: 20px;
            transition: border-color 0.3s, transform 0.3s;
        }

        .why-card:hover {
            border-color: var(--brand-blue);
            transform: translateY(-6px);
        }

        .why-icon {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        .why-card h3 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .why-card p {
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* FAQ Section */
        .faq-section {
            background: white;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .faq-card {
            background: var(--light-gray);
            border: 1px solid var(--border-color);
            border-radius: 18px;
            padding: 30px;
        }

        .faq-card h3 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--brand-dark);
        }

        .faq-card p {
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Nav Emergency link */
        .nav-emergency {
            color: #c8102e !important;
        }

        /* Reviews Section */
        .reviews-section {
            background: var(--light-gray);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .review-card {
            background: white;
            border-radius: 16px;
            padding: 36px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }

        .review-stars {
            color: #FFBF00;
            font-size: 1.3rem;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        .review-card p {
            color: var(--text-muted);
            font-style: italic;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .review-author {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--brand-dark);
        }

        .review-author span {
            font-weight: 400;
            color: var(--text-muted);
        }

        /* Footer link */
        footer a {
            color: var(--brand-blue);
            text-decoration: none;
        }

        footer a:hover {
            text-decoration: underline;
        }

        /* Helper Utilities */
        .mb-2 { margin-bottom: 8px; }
        .text-blue { color: var(--brand-blue); }