:root {
            --bg-dark: #0a0a0a;
            --card-dark: #111111;
            --accent-red: #e63946;
            --accent-orange: #f77f00;
            --accent-gold: #fcbf49;
            --text-light: #f8f9fa;
            --text-muted: #ced4da;
        }

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

        body {
            font-family: 'Poppins', 'Segoe UI', system-ui, sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            overflow-x: hidden;
        }

        /* preloader */
        #preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #000000;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 99999;
            transition: opacity 0.5s;
        }

        .loader {
            width: 60px;
            height: 60px;
            border: 6px solid rgba(230, 57, 70, 0.2);
            border-top: 6px solid var(--accent-red);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        /* glow effect */
        .glow-text {
            text-shadow: 0 0 10px rgba(230, 57, 70, 0.6), 0 0 20px rgba(247, 127, 0, 0.4);
        }

        .neon-border {
            box-shadow: 0 0 8px rgba(252, 191, 73, 0.5), 0 0 2px rgba(230, 57, 70, 0.6);
        }

        /* top header */
        .top-header {
            background: #080808;
            color: #ddd;
            font-size: 0.8rem;
            padding: 10px 0;
            border-bottom: 1px solid rgba(230, 57, 70, 0.3);
        }

        .top-header a {
            color: #ffb347;
            text-decoration: none;
            margin-right: 1rem;
            transition: 0.2s;
        }

        .top-header a:hover {
            color: var(--accent-gold);
        }

        .social-icons-top a {
            margin-left: 0.6rem;
            font-size: 0.9rem;
            color: #eee;
        }

        /* navbar */
        .navbar {
            background: rgb(2 3 5);
            backdrop-filter: blur(10px);
            transition: all 0.3s;
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(230, 57, 70, 0.4);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            background: linear-gradient(135deg, var(--accent-red), var(--accent-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
        }

        .nav-link {
            color: #f0f0f0;
            font-weight: 600;
            margin: 0 6px;
            transition: 0.2s;
        }

        .nav-link:hover {
            color: var(--accent-orange);
            transform: translateY(-2px);
        }

        .btn-call-nav {
            background: linear-gradient(45deg, #e63946, #f77f00);
            border: none;
            border-radius: 40px;
            padding: 8px 24px;
            color: white;
            font-weight: 600;
            transition: 0.3s;
        }

        .btn-call-nav:hover {
            transform: scale(1.02);
            box-shadow: 0 0 15px rgba(230, 57, 70, 0.5);
        }

        /* hero swiper */
        .hero-swiper {
            width: 100%;
            height: 100vh;
            min-height: 550px;
        }

        .swiper-slide {
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .slide-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            top: 50%;
            transform: translateY(-50%);
        }

        .hero-content h1 {
            font-size: 3.8rem;
            font-weight: 800;
            text-shadow: 0 0 20px rgba(0, 0, 0, 0.7);
        }

        @media (max-width:768px) {
            .hero-content h1 {
                font-size: 2rem;
            }
        }

        .btn-hero {
            border-radius: 50px;
            padding: 12px 32px;
            margin: 0 10px;
            font-weight: 700;
            transition: 0.3s;
        }

        .btn-primary-custom {
            background: #e63946;
            border: none;
        }

        .btn-outline-light-custom {
            border: 2px solid #fcbf49;
            background: transparent;
            color: white;
        }

        .btn-primary-custom:hover,
        .btn-outline-light-custom:hover {
            transform: translateY(-4px);
            filter: brightness(1.05);
        }

        /* sections */
        section {
            padding: 85px 0;
        }

        .section-title {
            font-size: 2.7rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .section-sub {
            color: var(--accent-gold);
            font-weight: 600;
            letter-spacing: 2px;
        }

        /* service card */
        .service-card {
            background: var(--card-dark);
            border-radius: 24px;
            padding: 2rem 1.5rem;
            transition: all 0.4s ease;
            height: 100%;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        .service-card:hover {
            transform: translateY(-12px);
            border-color: var(--accent-orange);
            box-shadow: 0 20px 30px rgba(230, 57, 70, 0.2);
        }

        .service-icon {
            font-size: 3rem;
            color: var(--accent-red);
        }

        .counter-item {
            background: #151515;
            padding: 25px;
            border-radius: 30px;
            text-align: center;
            transition: 0.3s;
        }

        .counter-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-orange);
        }

        /* why choose us */
        .why-icon {
            color: var(--accent-gold);
            margin-right: 12px;
            font-size: 1.3rem;
        }

        .progress-bar-custom {
            height: 8px;
            background: #2a2a2a;
            border-radius: 10px;
            margin: 10px 0;
        }

        .progress-fill {
            width: 0%;
            background: linear-gradient(90deg, #e63946, #fcbf49);
            height: 100%;
            border-radius: 10px;
        }

        /* gallery */
        .gallery-img {
            overflow: hidden;
            border-radius: 20px;
            cursor: pointer;
            border: 2px solid rgba(252, 191, 73, 0.3);
        }

        .gallery-img img {
            transition: transform 0.5s;
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .gallery-img:hover img {
            transform: scale(1.08);
        }

        .filter-btn {
            background: transparent;
            border: 1px solid #e63946;
            color: white;
            border-radius: 40px;
            padding: 6px 20px;
            margin: 5px;
            transition: 0.2s;
        }

        .filter-btn.active,
        .filter-btn:hover {
            background: #e63946;
            color: white;
            border-color: #fcbf49;
        }

        /* testimonial */
        .testimonial-card {
            background: #111;
            border-radius: 30px;
            padding: 30px;
            text-align: center;
            border: 1px solid rgba(230, 57, 70, 0.3);
        }

        /* process */
        .step-card {
            background: #101010;
            padding: 30px 20px;
            border-radius: 28px;
            transition: 0.3s;
            text-align: center;
            border-bottom: 3px solid #e63946;
        }

        .step-card:hover {
            transform: scale(1.02);
            border-color: var(--accent-gold);
        }

        /* contact form */
        .form-control,
        .form-select {
            background: #f3ebeb;
            border: 1px solid #333;
            color: white;
            border-radius: 15px;
        }

        .form-control:focus {
            background: #2a2a2a;
            border-color: #e63946;
            box-shadow: 0 0 0 0.2rem rgba(230, 57, 70, 0.25);
        }

        .contact-card {
            background: #0f0f0f;
            border-radius: 24px;
            padding: 25px;
        }

        /* floating */
        .floating-wa,
        .floating-call {
            position: fixed;
            bottom: 25px;
            right: 25px;
            width: 55px;
            height: 55px;
            background: #25D366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            z-index: 1000;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
            transition: 0.2s;
            color: white;
        }

        .floating-call {
            background: #e63946;
            right: 100px;
        }

        .floating-wa:hover,
        .floating-call:hover {
            transform: scale(1.1);
            color: white;
        }

        .back-to-top {
            position: fixed;
            bottom: 80px;
            right: 20px;
            background: #f77f00;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            z-index: 99;
            opacity: 0;
            transition: 0.3s;
        }

        footer {
            background: #050505;
        }

        @media (max-width:576px) {
            .floating-call {
                right: 75px;
                width: 48px;
                height: 48px;
                font-size: 24px;
            }

            .floating-wa {
                width: 48px;
                height: 48px;
                font-size: 24px;
            }
        }