/* ========================================
           ROOT VARIABLES & RESET
           ======================================== */
        :root {
            /* Colors - Sophisticated Aviation Palette */
            --color-primary: #1a3a5c;
            --color-secondary: #0f2538;
            --color-accent: #8b1e3f;
            --color-gold: #8b1e3f;
            --color-copper: #f5f7fa;
            --color-navy: #1a2332;
            --color-slate: #2d3e50;
            --color-white: #ffffff;
            --color-cream: #f8f6f3;
            --color-grey-light: #f4f4f4;
            --color-grey-mid: #e0e0e0;
            --color-grey-dark: #4a4a4a;
            --color-text: #2c2c2c;
            
            /* Typography */
            --font-display: 'Cormorant Garamond', serif;
            --font-body: 'Montserrat', sans-serif;
            
            /* Spacing */
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 2rem;
            --space-lg: 4rem;
            --space-xl: 6rem;
            
            /* Effects */
            --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);
            --border-radius-sm: 4px;
            --border-radius-md: 8px;
            --border-radius-lg: 16px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background: var(--color-cream);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* ========================================
           TYPOGRAPHY
           ======================================== */
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-display);
            font-weight: 600;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            color: var(--color-primary);
            margin-bottom: var(--space-md);
            text-align: center;
            position: relative;
            display: inline-block;
            width: 100%;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -12px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.25rem;
            color: var(--color-grey-dark);
            margin-bottom: var(--space-lg);
            font-weight: 300;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        /* ========================================
           LAYOUT UTILITIES
           ======================================== */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 clamp(1rem, 5vw, 4rem);
        }

  
        /* ========================================
           SERVICE HERO SECTION
           ======================================== */
        .service-hero {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--color-white);
            overflow: hidden;
            margin-top: 120px;
        }

        .service-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
             background: linear-gradient(135deg, rgba(26, 58, 92, 0.8) 0%, rgba(139, 30, 63, 0.6) 100%),
                url('/assets/img/Hero/avconjet_2023_wrap_up.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            z-index: -2;
        }

        .service-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(196, 155, 99, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
            z-index: -1;
            animation: shimmer 8s ease-in-out infinite;
        }

        @keyframes shimmer {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .service-hero h1 {
            font-size: clamp(2.5rem, 7vw, 5.5rem);
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
            animation: fadeInUp 1s ease;
            letter-spacing: -0.03em;
            line-height: 1.1;
        }

        .service-hero p {
            font-size: clamp(1.125rem, 2.5vw, 1.5rem);
            max-width: 800px;
            margin: 0 auto;
            opacity: 0.95;
            font-weight: 300;
            line-height: 1.6;
            animation: fadeInUp 1.2s ease;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========================================
           SERVICE INTRO SECTION
           ======================================== */
        .service-intro {
            padding: var(--space-xl) 0;
            background: var(--color-white);
            position: relative;
        }

        .service-intro::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 200px;
            background: linear-gradient(to bottom, var(--color-cream), transparent);
            pointer-events: none;
        }

        .service-intro-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
        }

        .service-intro-text h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            color: var(--color-primary);
            margin-bottom: 2rem;
            line-height: 1.2;
        }

        .service-intro-text p {
            font-size: 1.125rem;
            line-height: 1.9;
            color: var(--color-grey-dark);
            margin-bottom: 1.5rem;
            font-weight: 300;
        }

        .service-intro-text p:last-of-type {
            font-weight: 500;
            color: var(--color-primary);
            font-style: italic;
        }

        .service-intro-image {
            position: relative;
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: 
                0 20px 60px rgba(0, 0, 0, 0.15),
                0 0 0 1px rgba(196, 155, 99, 0.1);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transition-smooth);
        }

        .service-intro-image:hover {
            transform: perspective(1000px) rotateY(0deg) scale(1.02);
            box-shadow: 
                0 30px 80px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(196, 155, 99, 0.2);
        }

        .service-intro-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(196, 155, 99, 0.2) 0%, transparent 50%);
            z-index: 1;
            pointer-events: none;
        }

        .service-intro-image img {
            width: 100%;
            height: 500px;
            object-fit: cover;
            display: block;
            transition: var(--transition-smooth);
        }

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

        /* ========================================
           FEATURES SECTION
           ======================================== */
        .features-section {
            padding: var(--space-xl) 0;
            background: 
                linear-gradient(180deg, var(--color-white) 0%, var(--color-cream) 100%);
            position: relative;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(196, 155, 99, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2.5rem;
            margin-top: var(--space-lg);
        }

        .feature-box {
            background: var(--color-white);
            padding: 3rem 2.5rem;
            border-radius: var(--border-radius-lg);
            box-shadow: var(--shadow-sm);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(196, 155, 99, 0.1);
        }

        .feature-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition-smooth);
        }

        .feature-box:hover {
            transform: translateY(-12px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-accent);
        }

        .feature-box:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-gold) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 8px 24px rgba(196, 155, 99, 0.3);
            transition: var(--transition-bounce);
        }

        .feature-box:hover .feature-icon {
            transform: rotate(360deg) scale(1.1);
        }

        .feature-box h3 {
            font-size: 1.75rem;
            color: var(--color-primary);
            margin-bottom: 1.25rem;
            font-weight: 600;
        }

        .feature-box p {
            color: var(--color-grey-dark);
            line-height: 1.8;
            font-size: 1.0625rem;
            font-weight: 300;
        }

        /* ========================================
           USE CASES SECTION
           ======================================== */
        .use-cases-section {
            padding: var(--space-xl) 0;
            background: var(--color-white);
            position: relative;
        }

        .use-cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: var(--space-lg);
        }

        .use-case-card {
            background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-white) 100%);
            padding: 2.5rem;
            border-radius: var(--border-radius-lg);
            border-left: 4px solid var(--color-accent);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .use-case-card::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(196, 155, 99, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            transform: translate(50%, -50%);
            transition: var(--transition-smooth);
        }

        .use-case-card:hover {
            background: var(--color-white);
            box-shadow: var(--shadow-lg);
            transform: translateX(8px);
            border-left-color: var(--color-gold);
        }

        .use-case-card:hover::before {
            transform: translate(30%, -30%) scale(1.5);
            opacity: 0.5;
        }

        .use-case-card h3 {
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 1.25rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            font-weight: 600;
        }

        .use-case-icon {
            font-size: 2rem;
            filter: drop-shadow(0 2px 4px rgba(196, 155, 99, 0.3));
        }

        .use-case-card p {
            color: var(--color-grey-dark);
            line-height: 1.8;
            font-size: 1.0625rem;
            font-weight: 300;
        }

        /* ========================================
           AIRCRAFT SECTION
           ======================================== */
        .aircraft-section {
            padding: var(--space-xl) 0;
            background: 
                linear-gradient(180deg, var(--color-white) 0%, var(--color-cream) 50%, var(--color-white) 100%);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 3rem;
            margin-top: var(--space-lg);
        }

        .service-card {
            background: var(--color-white);
            border-radius: var(--border-radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition-smooth);
            border: 1px solid rgba(196, 155, 99, 0.1);
        }

        .service-card:hover {
            transform: translateY(-12px);
            box-shadow: var(--shadow-xl);
        }

        .service-card-image {
            position: relative;
            height: 280px;
            overflow: hidden;
        }

        .service-card-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
            z-index: 1;
        }

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

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

        .service-card-content {
            padding: 2.5rem;
        }

        .service-card-content h3 {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .service-card-content p {
            color: var(--color-grey-dark);
            line-height: 1.8;
            margin-bottom: 1.5rem;
            font-size: 1.0625rem;
            font-weight: 300;
        }

        .fleet-specs {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }

        .fleet-spec {
            background: linear-gradient(135deg, var(--color-cream), var(--color-white));
            padding: 0.625rem 1.25rem;
            border-radius: 50px;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--color-primary);
            border: 1px solid rgba(196, 155, 99, 0.2);
            transition: var(--transition-smooth);
        }

        .fleet-spec:hover {
            background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
            color: var(--color-white);
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* ========================================
           CTA SECTION
           ======================================== */
        .cta-section {
            padding: var(--space-xl) 0;
            background: 
                linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
            text-align: center;
            color: var(--color-white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 30% 50%, rgba(196, 155, 99, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 70% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 50%);
            animation: shimmer 6s ease-in-out infinite alternate;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 1.5rem;
            font-weight: 700;
            text-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        }

        .cta-section p {
            font-size: clamp(1.125rem, 2vw, 1.5rem);
            margin-bottom: 3rem;
            opacity: 0.95;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            font-weight: 300;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1.125rem 3rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.0625rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .btn-primary {
            background: var(--color-white);
            color: var(--color-primary);
        }

        .btn-primary:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
            background: var(--color-accent);
            color: var(--color-white);
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid var(--color-white);
            color: var(--color-white);
        }

        .btn-secondary:hover {
            background: var(--color-white);
            color: var(--color-primary);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        /* ========================================
           FOOTER
           ======================================== */
        footer {
            background: linear-gradient(180deg, var(--color-secondary), var(--color-navy));
            color: var(--color-white);
            padding: var(--space-xl) 0 var(--space-md);
            position: relative;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: var(--space-lg);
        }

        .footer-section h3 {
            font-size: 1.25rem;
            margin-bottom: 1.5rem;
            color: var(--color-accent);
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .footer-section p {
            line-height: 1.8;
            opacity: 0.85;
            font-weight: 300;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 0.75rem;
        }

        .footer-section ul li a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            transition: var(--transition-smooth);
            display: inline-block;
            font-weight: 300;
        }

        .footer-section ul li a:hover {
            color: var(--color-accent);
            transform: translateX(5px);
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-link {
            width: 44px;
            height: 44px;
            background: rgba(196, 155, 99, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            text-decoration: none;
            font-size: 1.25rem;
            transition: var(--transition-smooth);
            border: 1px solid rgba(196, 155, 99, 0.2);
        }

        .social-link:hover {
            background: var(--color-accent);
            color: var(--color-white);
            transform: translateY(-4px);
            box-shadow: 0 8px 16px rgba(196, 155, 99, 0.3);
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            margin-bottom: 1rem;
            font-weight: 300;
        }

        .contact-item span:first-child {
            font-size: 1.25rem;
            filter: drop-shadow(0 2px 4px rgba(196, 155, 99, 0.3));
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--space-md);
            border-top: 1px solid rgba(196, 155, 99, 0.2);
            opacity: 0.7;
            font-size: 0.9375rem;
            font-weight: 300;
        }

        /* ========================================
           REVEAL ANIMATION
           ======================================== */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========================================
           RESPONSIVE DESIGN
           ======================================== */
        @media (max-width: 1200px) {
            .nav__list {
                gap: 0.25rem;
            }
            
            .nav__link {
                padding: 1.25rem 0.75rem;
                font-size: 0.8125rem;
            }
        }

        @media (max-width: 900px) {
            .header__hamburger {
                display: flex;
            }

            .nav {
                display: none;
            }

            .service-hero {
                margin-top: 90px;
                min-height: 60vh;
            }

            .service-intro-content,
            .use-cases-grid {
                grid-template-columns: 1fr;
            }

            .service-intro-image {
                transform: none;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 600px) {
            :root {
                --space-xl: 4rem;
                --space-lg: 3rem;
            }

            .service-hero {
                padding: 4rem 0;
            }

            .feature-box,
            .use-case-card,
            .service-card-content {
                padding: 2rem 1.5rem;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========================================
           LOADING ANIMATION
           ======================================== */
        @keyframes gradientShift {
            0%, 100% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
        }

        .service-hero,
        .cta-section {
            background-size: 200% 200%;
            animation: gradientShift 15s ease infinite;
        }