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

        html {
            scroll-behavior: smooth;
        }

        /* Page Loading Animation */
        body {
            opacity: 0;
            animation: fadeInPage 0.8s ease-in forwards;
        }

        @keyframes fadeInPage {
            to {
                opacity: 1;
            }
        }

        /* Professional Loading Screen */
        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #0f2027 0%, #203a43 25%, #2c5364 50%, #203a43 75%, #0f2027 100%);
            background-size: 200% 200%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            transition: opacity 0.8s ease, visibility 0.8s ease;
            overflow: hidden;
        }

        .loading-screen.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loading-logo {
            font-size: 3.5rem;
            font-weight: 800;
            color: white;
            letter-spacing: 0.05em;
            position: relative;
            z-index: 1;
            animation: loadingPulse 2s ease-in-out infinite;
            text-shadow: 
                0 0 10px rgba(255, 255, 255, 0.6),
                0 0 20px rgba(0, 123, 255, 0.6),
                0 0 30px rgba(0, 86, 179, 0.4);
        }

        @keyframes loadingPulse {
            0%, 100% { 
                opacity: 1;
                transform: scale(1);
            }
            50% { 
                opacity: 0.85;
                transform: scale(1.05);
            }
        }

        /* Scroll Progress Bar */
        .scroll-progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            height: 4px;
            background: linear-gradient(90deg, #00d4ff 0%, #007bff 50%, #0056b3 100%);
            z-index: 10001;
            transform-origin: left;
            transform: scaleX(0);
            transition: transform 0.1s ease;
            box-shadow: 0 2px 15px rgba(0, 123, 255, 0.7), 0 0 30px rgba(0, 212, 255, 0.5);
        }

        :root {
            --bg-color: #ffffff;
            --text-color: #1d1d1f;
            --header-bg: rgba(29, 29, 31, 0.98);
            --header-text: white;
            --section-bg: #ffffff;
            --card-bg: #f5f5f7;
            --contact-bg: #1d1d1f;
            --contact-text: white;
            --footer-bg: #1d1d1f;
            --footer-text: rgba(255, 255, 255, 0.9);
            --transition: all 0.3s ease;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Helvetica Neue', Helvetica, Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--bg-color);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: -0.02em;
            overflow-x: hidden;
            transition: background-color 0.5s ease, color 0.5s ease;
        }

        body.menu-open {
            overflow: hidden;
        }
        
        header {
            background-color: var(--header-bg);
            backdrop-filter: none;
            color: var(--header-text);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            animation: slideDown 0.6s ease-out;
            transition: padding 0.3s ease, transform 0.3s ease;
        }

        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            animation: fadeIn 0.8s ease-out 0.3s backwards;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            letter-spacing: -0.03em;
            background: linear-gradient(90deg, #00d4ff, #0084ff, #00d4ff);
            background-size: 200% 100%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            filter: drop-shadow(0 0 10px rgba(0, 123, 255, 0.4));
        }

        .logo::after {
            content: '⚡ A-sk Electrical & Computer';
            position: absolute;
            top: 0;
            left: 0;
            z-index: -1;
            filter: blur(8px);
            opacity: 0.4;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            background: linear-gradient(90deg, #007bff, #0056b3, #007bff);
            background-size: 200% 100%;
        }

        .logo:hover {
            transform: scale(1.05) translateY(-2px);
            filter: drop-shadow(0 0 20px rgba(0, 123, 255, 0.7));
        }

        @keyframes shimmer {
            0% {
                background-position: -200% center;
            }
            50% {
                background-position: 200% center;
            }
            100% {
                background-position: -200% center;
            }
        }
        
        nav ul {
            list-style: none;
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            font-weight: 500;
            font-size: 0.95rem;
            letter-spacing: -0.01em;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #007bff, #0056b3);
            transition: width 0.3s ease;
        }

        nav a:hover::after {
            width: 100%;
        }

        nav a:hover {
            color: #007bff;
            transform: translateY(-2px);
        }

        nav a.active-link {
            color: #7ed9ff;
        }

        nav a.active-link::after {
            width: 100%;
            background: linear-gradient(90deg, #00d4ff, #007bff);
        }

        .mobile-menu {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 4px;
            width: 44px;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.08);
            cursor: pointer;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .mobile-menu-btn span {
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #ffffff;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .mobile-menu-btn:hover {
            background: rgba(0, 123, 255, 0.22);
            border-color: rgba(0, 212, 255, 0.65);
        }

        .mobile-menu-btn[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(10px) rotate(45deg);
            width: 18px;
            height: 2px;
            border-radius: 10px;
        }

        .mobile-menu-btn[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-btn[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-10px) rotate(-45deg);
            width: 18px;
            height: 2px;
            border-radius: 10px;
        }

        .header-auth {
            display: flex;
            gap: 1rem;
            align-items: center;
            animation: fadeIn 0.8s ease-out 0.3s backwards;
        }

        .btn-login {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: white;
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-login:hover {
            border-color: white;
            background: rgba(255, 255, 255, 0.15);
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
        }

        .btn-signup {
            background: linear-gradient(135deg, #00d4ff, #007bff);
            border: none;
            color: white;
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4), 0 3px 8px rgba(0, 0, 0, 0.1);
        }
        
        .hero {
            color: var(--text-color);
            padding: 6rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(
                135deg,
                #0f2027 0%,
                #203a43 20%,
                #2c5364 40%,
                #0a74da 60%,
                #203a43 80%,
                #0f2027 100%
            );
            background-size: 200% 200%;
            min-height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: inset 0 -10px 50px rgba(0, 123, 255, 0.3);
        }

        .hero-fx {
            position: absolute;
            inset: 0;
            z-index: 2;
            pointer-events: none;
        }

        .float-icon {
            position: absolute;
            font-size: 1.9rem;
            opacity: 0.38;
            filter: drop-shadow(0 0 14px rgba(0, 212, 255, 0.4));
            animation: floatIcon 7s ease-in-out infinite;
        }

        .fi-1 {
            left: 8%;
            top: 18%;
            animation-delay: 0s;
        }

        .fi-2 {
            right: 10%;
            top: 22%;
            animation-delay: 1.4s;
        }

        .fi-3 {
            left: 14%;
            bottom: 14%;
            animation-delay: 2.2s;
        }

        .fi-4 {
            right: 14%;
            bottom: 18%;
            animation-delay: 3s;
        }

        @keyframes floatIcon {
            0%, 100% {
                transform: translateY(0) scale(1);
            }
            50% {
                transform: translateY(-14px) scale(1.06);
            }
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(ellipse at 20% 50%, rgba(0, 212, 255, 0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 30%, rgba(0, 132, 255, 0.25) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(0, 123, 255, 0.3) 0%, transparent 50%);
            z-index: 1;
            opacity: 0.6;
        }
        
        .hero .container {
            position: relative;
            z-index: 3;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
            letter-spacing: -0.03em;
            line-height: 1.2;
            background: linear-gradient(135deg, #ffffff 0%, #00d4ff 50%, #0084ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 4px 12px rgba(0, 123, 255, 0.4));
        }

        .animated-title {
            position: relative;
            display: inline-block;
            color: white;
            font-weight: 700;
            text-shadow: 0 0 20px rgba(5, 182, 226, 0.7), 
                         0 0 35px rgba(4, 174, 253, 0.5),
                         0 5px 15px rgba(0, 0, 0, 0.3);
            filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.5));
        }
        
        .hero p {
            font-size: 1.25rem;
            margin-bottom: 2rem;
            font-weight: 400;
            letter-spacing: -0.015em;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.95);
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .hero-content picture {
            display: block;
            width: 100%;
        }

        .hero-text {
            color: white;
            position: relative;
            z-index: 3;
            animation: slideInLeft 0.8s ease-out 0.2s backwards;
        }

        .hero-pill {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.45rem 0.95rem;
            border: 1px solid rgba(126, 217, 255, 0.45);
            border-radius: 999px;
            margin-bottom: 1rem;
            background: rgba(0, 123, 255, 0.14);
            color: #c9f2ff;
            font-size: 0.88rem;
            letter-spacing: 0.02em;
            text-transform: uppercase;
            font-weight: 700;
            backdrop-filter: blur(6px);
            animation: badgePulse 2.8s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%, 100% {
                box-shadow: 0 0 0 rgba(0, 212, 255, 0.25);
            }
            50% {
                box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
            }
        }

        .word-rotator {
            display: inline-block;
            min-width: 15.5ch;
            color: #7ed9ff;
            font-weight: 700;
            border-bottom: 2px solid rgba(126, 217, 255, 0.35);
            transition: color 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
        }

        .hero-image {
            border-radius: 20px;
            width: 100%;
            height: auto;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border: 1px solid rgba(255, 255, 255, 0.28);
            box-shadow: 0 16px 38px rgba(0, 0, 0, 0.35), 0 10px 26px rgba(0, 123, 255, 0.22);
            transition: all 0.4s ease;
            filter: brightness(1.02) contrast(1.04) saturate(1.08);
            animation: slideInRight 0.8s ease-out 0.4s backwards;
        }

        .hero-image:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.38), 0 14px 36px rgba(0, 123, 255, 0.3);
            filter: brightness(1.08) contrast(1.08) saturate(1.12);
        }
        
        .btn {
            display: inline-block;
            padding: 0.9rem 2.2rem;
            background-color: #007bff;
            color: #fff;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: all 0.3s ease;
            letter-spacing: -0.01em;
            box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
            animation: slideInUp 0.8s ease-out 0.6s backwards;
            position: relative;
            overflow: hidden;
        }

        @keyframes pulse-subtle {
            0%, 100% {
                box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
            }
            50% {
                box-shadow: 0 6px 18px rgba(0, 123, 255, 0.5);
            }
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.3);
            transition: left 0.3s ease;
            z-index: -1;
        }

        .btn:hover::before {
            left: 100%;
        }
        
        .btn:hover {
            background-color: #0056b3;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 123, 255, 0.5);
            animation: none;
        }

        .hero .btn {
            margin-bottom: 1.3rem;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, minmax(120px, 1fr));
            gap: 0.85rem;
            margin-top: 0.8rem;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(126, 217, 255, 0.24);
            border-radius: 12px;
            padding: 0.75rem 0.8rem;
            backdrop-filter: blur(8px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
            transition: transform 0.35s ease, border-color 0.35s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(126, 217, 255, 0.65);
        }

        .stat-number {
            display: block;
            font-size: 1.35rem;
            line-height: 1;
            font-weight: 800;
            color: #ffffff;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
        }

        .stat-label {
            display: block;
            margin-top: 0.25rem;
            font-size: 0.76rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: rgba(220, 244, 255, 0.82);
            font-weight: 600;
        }
        
        section {
            padding: 5rem 0;
            animation: fadeInUp 0.8s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes themePulse {
            0%, 100% {
                transform: scale(1);
                opacity: 1;
            }
            50% {
                transform: scale(1.05);
                opacity: 0.8;
            }
        }

        @keyframes shimmer {
            0% {
                background-position: -200% center;
            }
            50% {
                background-position: 200% center;
            }
            100% {
                background-position: -200% center;
            }
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.9);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .hero {
            animation: fadeInDown 1s ease-out, heroGradientFlow 16s ease-in-out infinite;
        }

        @keyframes heroGradientFlow {
            0% {
                background-position: 0% 50%;
            }
            50% {
                background-position: 100% 50%;
            }
            100% {
                background-position: 0% 50%;
            }
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes menuDropIn {
            from {
                opacity: 0;
                transform: translateY(-8px) scale(0.98);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        
        h2 {
            font-size: 2.8rem;
            margin-bottom: 2.5rem;
            text-align: center;
            color: #1d1d1f;
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.15;
            background: linear-gradient(135deg, #1d1d1f 0%, #007bff 50%, #0056b3 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            padding-bottom: 1rem;
            filter: drop-shadow(0 2px 8px rgba(0, 123, 255, 0.2));
            animation: sectionTitleAppear 0.8s ease-out;
        }

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

        h2::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #007bff 0%, #0056b3 100%);
            margin: 1rem auto 0;
            border-radius: 2px;
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.5), 0 0 20px rgba(0, 123, 255, 0.3);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        
        #services {
            background-color: #fefefe;
        }
        
        .service-card {
            background-color: var(--card-bg);
            padding: 0;
            border-radius: 16px;
            text-align: center;
            transition: all 0.4s ease;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            animation: scaleIn 0.6s ease-out backwards;
            position: relative;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -120%;
            width: 75%;
            height: 100%;
            background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.35) 50%, transparent 100%);
            transition: left 0.7s ease;
            pointer-events: none;
            z-index: 3;
        }

        .service-card:hover::before {
            left: 140%;
        }

        .reveal-card {
            opacity: 0;
            transform: translateY(28px) scale(0.98);
            transition: opacity 0.55s ease, transform 0.55s ease;
            transition-delay: var(--reveal-delay, 0ms);
        }

        .reveal-card.is-visible {
            opacity: 1;
            transform: translateY(0) scale(1);
        }

        .card-glow {
            box-shadow: 0 14px 34px rgba(0, 123, 255, 0.25), 0 10px 24px rgba(0, 0, 0, 0.16);
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }

        .service-image-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            border-radius: 12px 12px 0 0;
            position: relative;
            isolation: isolate;
        }

        .service-image-wrapper picture,
        .about-image-wrapper picture,
        .portfolio-image-wrapper picture {
            display: block;
            width: 100%;
            height: 100%;
        }

        .service-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 21, 33, 0.04) 8%, rgba(6, 21, 33, 0.38) 100%);
            z-index: 1;
            opacity: 0.52;
            transition: opacity 0.35s ease;
            pointer-events: none;
        }

        .service-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            filter: brightness(1.03) contrast(1.05) saturate(1.1);
        }

        .service-card:hover .service-image {
            transform: scale(1.09);
            filter: brightness(1.08) contrast(1.08) saturate(1.14);
        }

        .service-card:hover .service-image-wrapper::after {
            opacity: 0.22;
        }

        .service-card h3 {
            color: #1d1d1f;
            margin-bottom: 1rem;
            padding: 1.5rem 1rem 0 1rem;
            font-size: 1.3rem;
            font-weight: 600;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #1d1d1f 0%, #007bff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .service-card p {
            padding: 0 1rem 1.5rem 1rem;
            font-size: 1rem;
            color: #555;
            line-height: 1.7;
            letter-spacing: -0.01em;
        }

        .about-list {
            list-style: none;
            padding: 0;
            margin-bottom: 2rem;
        }

        .about-list li {
            padding: 0.9rem 0;
            font-size: 1rem;
            color: #1d1d1f;
            font-weight: 500;
            letter-spacing: -0.01em;
            opacity: 1;
        }

        @keyframes slideInFromLeft {
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .about-content h3:nth-of-type(2) {
            margin-top: 2rem;
            font-size: 1.4rem;
            font-weight: 600;
            color: #1d1d1f;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #1d1d1f 0%, #007bff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .about-content > div:nth-child(2) h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: #1d1d1f;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #1d1d1f 0%, #007bff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .about-content > div:nth-child(2) p {
            color: #555;
            line-height: 1.8;
            letter-spacing: -0.01em;
        }
        
        .about {
            background-color: var(--section-bg);
            transition: background-color 0.5s ease;
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-image-wrapper {
            width: 100%;
            aspect-ratio: 4 / 3;
            border-radius: 15px;
            overflow: hidden;
            position: relative;
            isolation: isolate;
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.24);
        }

        .about-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(3, 15, 24, 0.15), rgba(3, 15, 24, 0.35));
            z-index: 1;
            opacity: 0.45;
            transition: opacity 0.35s ease;
            pointer-events: none;
        }

        .about-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 18px;
            transition: all 0.4s ease;
            filter: brightness(1.03) contrast(1.05) saturate(1.08);
        }

        .about-image:hover {
            transform: scale(1.05);
            filter: brightness(1.1) contrast(1.08) saturate(1.12);
            box-shadow: 0 15px 35px rgba(0, 123, 255, 0.2);
        }

        .about-image-wrapper:hover::after {
            opacity: 0.2;
        }

        .portfolio-image-wrapper {
            width: 100%;
            height: 250px;
            overflow: hidden;
            border-radius: 12px 12px 0 0;
            position: relative;
            isolation: isolate;
        }

        .portfolio-image-wrapper::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(4, 16, 28, 0.02) 0%, rgba(4, 16, 28, 0.4) 100%);
            z-index: 1;
            opacity: 0.5;
            transition: opacity 0.35s ease;
            pointer-events: none;
        }

        .portfolio-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            filter: brightness(1.03) contrast(1.06) saturate(1.12);
        }

        .portfolio-item:hover .portfolio-image {
            transform: scale(1.08);
            filter: brightness(1.1) contrast(1.1) saturate(1.15);
        }

        .portfolio-item:hover .portfolio-image-wrapper::after {
            opacity: 0.18;
        }
        
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        
        #portfolio {
            background-color: #f8f9fa;
        }
        
        .portfolio-item {
            background: var(--section-bg);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
            transition: all 0.4s ease;
            animation: slideInUp 0.6s ease-out backwards;
            position: relative;
        }

        @keyframes slideInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .portfolio-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
        }
        
        .portfolio-img {
            width: 100%;
            height: 250px;
            background-color: #ddd;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #999;
        }
        
        .portfolio-info {
            padding: 1.5rem;
        }

        .portfolio-info h3 {
            color: #1d1d1f;
            margin-bottom: 0.8rem;
            font-size: 1.2rem;
            font-weight: 600;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #1d1d1f 0%, #007bff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .portfolio-info p {
            color: #555;
            font-size: 0.95rem;
            line-height: 1.7;
            letter-spacing: -0.01em;
        }
        
        .contact {
            background-color: #1d1d1f;
            color: white;
        }
        
        .contact h2 {
            color: white;
            font-weight: 700;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #007bff 0%, #0056b3 50%, #004080 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 4px 8px rgba(0, 123, 255, 0.3));
        }

        .contact h2::after {
            background: linear-gradient(90deg, #007bff 0%, #0056b3 100%);
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.5);
        }
        
        .contact-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        
        .contact-item {
            background-color: rgba(255, 255, 255, 0.08);
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            transform-style: preserve-3d;
        }

        .contact-item:hover {
            transform: translateY(-10px) scale(1.05);
            background-color: rgba(255, 255, 255, 0.15);
            border-color: rgba(0, 212, 255, 0.6);
            box-shadow: 0 15px 50px rgba(0, 123, 255, 0.35), 0 8px 25px rgba(0, 212, 255, 0.2);
        }
        
        .contact-item h3 {
            background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
            margin-bottom: 1rem;
            font-size: 1.2rem;
            font-weight: 600;
            letter-spacing: -0.02em;
            color: white;
            padding-bottom: 0.5rem;
        }

        .contact-item p {
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.7;
            letter-spacing: -0.01em;
        }
        
        .contact-form {
            max-width: 600px;
            margin: 2rem auto;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.7rem;
            font-weight: 500;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: -0.01em;
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: none;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            background-color: rgba(255, 255, 255, 0.1);
            color: white;
            transition: all 0.3s ease;
            letter-spacing: -0.01em;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            background-color: rgba(255, 255, 255, 0.2);
            box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.3);
            border-color: rgba(0, 123, 255, 0.5);
        }
        
        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }
        
        footer {
            background-color: #1d1d1f;
            color: rgba(255, 255, 255, 0.9);
            text-align: center;
            padding: 2.5rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            letter-spacing: -0.01em;
        }

        footer p {
            margin: 0.5rem 0;
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, #00d4ff, #007bff);
            color: white;
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            z-index: 1000;
            box-shadow: 0 8px 25px rgba(0, 123, 255, 0.5), 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-5px) scale(1.1);
            box-shadow: 0 12px 35px rgba(0, 123, 255, 0.7), 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .back-to-top:active {
            transform: translateY(-3px) scale(1.05);
        }
        
        @media (max-width: 768px) {
            header .container {
                position: relative;
                display: flex;
                justify-content: space-between;
                align-items: center;
                flex-wrap: nowrap;
            }

            .logo {
                font-size: 1.3rem;
                margin-bottom: 0;
                max-width: calc(100% - 64px);
            }

            .mobile-menu-btn {
                display: flex;
            }

            .mobile-menu {
                position: absolute;
                top: calc(100% + 10px);
                left: 20px;
                right: 20px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 1rem;
                padding: 1.1rem;
                border-radius: 14px;
                background: rgba(21, 35, 47, 0.97);
                border: 1px solid rgba(0, 212, 255, 0.25);
                box-shadow: 0 14px 40px rgba(0, 0, 0, 0.4);
                z-index: 200;
            }

            .mobile-menu.open {
                display: flex;
                animation: menuDropIn 0.25s ease;
            }

            nav {
                width: 100%;
            }

            nav ul {
                flex-direction: column;
                gap: 0.6rem;
                width: 100%;
            }

            nav a {
                display: block;
                padding: 0.75rem 0.85rem;
                border-radius: 10px;
                background: rgba(255, 255, 255, 0.03);
                font-size: 0.95rem;
            }

            nav a::after {
                display: none;
            }

            nav a:hover {
                transform: none;
                color: #7ed9ff;
                background: rgba(0, 123, 255, 0.2);
            }

            .header-auth {
                gap: 0.7rem;
                width: 100%;
                margin-top: 0;
                justify-content: stretch;
            }

            .btn-login,
            .btn-signup {
                width: 100%;
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
            }

            .hero {
                padding: 3rem 0;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .hero h1 {
                font-size: 2.2rem;
                font-weight: 700;
                letter-spacing: -0.03em;
            }
            
            .hero p {
                font-size: 1.1rem;
                letter-spacing: -0.015em;
            }

            .hero-pill {
                font-size: 0.78rem;
                margin-bottom: 0.8rem;
            }

            .word-rotator {
                min-width: 13ch;
            }

            .hero-stats {
                grid-template-columns: repeat(3, minmax(86px, 1fr));
                gap: 0.55rem;
            }

            .stat-card {
                padding: 0.55rem 0.45rem;
            }

            .stat-number {
                font-size: 1.05rem;
            }

            .stat-label {
                font-size: 0.62rem;
                letter-spacing: 0.04em;
            }

            .float-icon {
                font-size: 1.35rem;
                opacity: 0.28;
            }
            
            h2 {
                font-size: 2rem;
                font-weight: 700;
                letter-spacing: -0.03em;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .about-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .contact-info {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            section {
                padding: 2rem 0;
            }

            .btn {
                padding: 0.8rem 1.8rem;
                font-size: 1rem;
                font-weight: 600;
            }

            .portfolio-image-wrapper {
                height: 200px;
            }

            .service-image-wrapper {
                height: 150px;
            }

            .loading-logo {
                font-size: 2.2rem;
            }

            .loading-logo::before {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }

            header .container {
                flex-direction: row;
                gap: 0.6rem;
            }

            .logo {
                font-size: 1.05rem;
                text-align: left;
                margin-bottom: 0;
                max-width: calc(100% - 58px);
            }

            .mobile-menu-btn {
                width: 40px;
                height: 40px;
                border-radius: 10px;
            }

            .mobile-menu {
                left: 15px;
                right: 15px;
                top: calc(100% + 8px);
                padding: 0.95rem;
            }

            nav a {
                display: block;
                padding: 0.65rem 0.75rem;
                text-align: left;
                font-weight: 500;
                letter-spacing: -0.01em;
                font-size: 0.92rem;
            }

            .header-auth {
                width: 100%;
                gap: 0.5rem;
                flex-direction: column;
            }

            .btn-login,
            .btn-signup {
                width: 100%;
                padding: 0.65rem 1rem;
                font-size: 0.85rem;
            }

            .hero {
                padding: 2rem 0;
            }

            .hero h1 {
                font-size: 1.8rem;
                font-weight: 700;
                margin-bottom: 0.8rem;
                letter-spacing: -0.03em;
            }
            
            .hero p {
                font-size: 1rem;
                margin-bottom: 1.5rem;
                letter-spacing: -0.015em;
            }

            .hero-stats {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }

            .stat-card {
                text-align: left;
                padding: 0.65rem 0.75rem;
            }

            .stat-number {
                font-size: 1rem;
            }

            .stat-label {
                font-size: 0.64rem;
            }

            .float-icon {
                display: none;
            }

            h2 {
                font-size: 1.8rem;
                margin-bottom: 1.5rem;
                font-weight: 700;
                letter-spacing: -0.03em;
            }

            h3 {
                font-size: 1.1rem;
                font-weight: 600;
                letter-spacing: -0.02em;
            }

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

            .service-card {
                padding: 0;
            }

            .service-image-wrapper {
                height: 120px;
            }

            .service-card h3 {
                padding: 1rem 1rem 0 1rem;
                font-size: 1rem;
            }

            .service-card p {
                padding: 0.5rem 1rem 1rem 1rem;
                font-size: 0.9rem;
            }

            .about-content {
                gap: 1.5rem;
            }

            .about-content ul li {
                font-size: 0.95rem;
                padding: 0.4rem 0;
            }

            .portfolio-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .portfolio-image-wrapper {
                height: 150px;
            }

            .portfolio-info {
                padding: 1rem;
            }

            .portfolio-info h3 {
                font-size: 1rem;
                margin-bottom: 0.4rem;
            }

            .portfolio-info p {
                font-size: 0.9rem;
            }

            .contact-info {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .contact-item {
                padding: 1.5rem 1rem;
            }

            .contact-form {
                max-width: 100%;
            }

            section {
                padding: 1.5rem 0;
            }

            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
                width: 100%;
            }

            .hero-image,
            .about-image {
                border-radius: 10px;
            }

            footer {
                padding: 1.5rem 0;
                font-size: 0.9rem;
            }

            .loading-logo {
                font-size: 1.8rem;
                text-align: center;
                padding: 0 1rem;
            }

            .loading-logo::before {
                font-size: 1.8rem;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            h2 {
                font-size: 2.2rem;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .portfolio-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }