:root {
        --primary-color: #165EFE;
        --secondary-color: #4a44c6;
        --accent-color: #ff6584;
        --dark-color: #2d2b55;
        --light-color: #f8f9fa;
        --gray-color: #6c757d;
        --border-radius: 16px;
        --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

        /* Light mode variables */
        --bg-color: #f8f9fa;
        --card-bg: #ffffff;
        --text-color: #333333;
        --card-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
        --card-border: 1px solid rgba(0, 0, 0, 0.03);
        --section-bg: #ffffff;
        --input-bg: #ffffff;
        --footer-bg: linear-gradient(135deg, #2d2b55, #1a1a2e);
    }

    [data-theme="dark"] {
        --bg-color: #0f172a;
        --card-bg: #1e293b;
        --text-color: #e2e8f0;
        --card-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
        --card-border: 1px solid rgba(255, 255, 255, 0.05);
        --section-bg: #1e293b;
        --input-bg: #2d3748;
        --footer-bg: linear-gradient(135deg, #0f172a, #1e293b);
        --light-color: #1e293b;
    }

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

    body {
        font-family: 'Exo 2', sans-serif;
        color: var(--text-color);
        line-height: 1.6;
        background: var(--bg-color);
        overflow-x: hidden;
        position: relative;
        transition: background-color 0.5s ease, color 0.5s ease;
    }

    h1,
    h2,
    h3,
    h4,
    h5 {
        font-family: 'Orbitron', sans-serif;
        font-weight: 700;
    }

    /* Preloader */
    .preloader {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: var(--bg-color);
        display: flex;
        justify-content: center;
        align-items: center;
        z-index: 9999;
        transition: opacity 0.5s ease, visibility 0.5s ease;
    }

    .preloader.hidden {
        opacity: 0;
        visibility: hidden;
    }

    .loader {
        width: 50px;
        height: 50px;
        border: 5px solid rgba(22, 94, 254, 0.2);
        border-radius: 50%;
        border-top-color: var(--primary-color);
        animation: spin 1s linear infinite;
    }

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

    /* Theme Toggle */
    .theme-toggle {
        position: fixed;
        bottom: 30px;
        right: 30px;
        z-index: 1000;
        width: 60px;
        height: 60px;
        border-radius: 50%;
        background: var(--primary-color);
        color: white;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        transition: var(--transition);
    }

    .theme-toggle:hover {
        transform: scale(1.1) rotate(30deg);
        box-shadow: 0 8px 25px rgba(22, 94, 254, 0.3);
    }

    .theme-toggle .sun {
        display: none;
    }

    .theme-toggle .moon {
        display: block;
    }

    [data-theme="dark"] .theme-toggle .sun {
        display: block;
    }

    [data-theme="dark"] .theme-toggle .moon {
        display: none;
    }

    /* Back to Top */
    .back-to-top {
        position: fixed;
        bottom: 100px;
        right: 30px;
        z-index: 999;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        background: var(--primary-color);
        color: white;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
        transition: all 0.3s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .back-to-top.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .back-to-top:hover {
        transform: translateY(-5px);
        background: var(--secondary-color);
    }

    /* Animated Background */
    .bg-animation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -2;
        background: linear-gradient(-45deg, var(--bg-color), var(--section-bg), var(--card-bg), var(--bg-color));
        background-size: 400% 400%;
        animation: gradientBG 15s ease infinite;
        transition: background 0.5s ease;
    }

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

        50% {
            background-position: 100% 50%;
        }

        100% {
            background-position: 0% 50%;
        }
    }

    /* Floating Circles */
    .floating-circles {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        z-index: -1;
        pointer-events: none;
    }

    .floating-circle {
        position: absolute;
        border-radius: 50%;
        background: rgba(22, 94, 254, 0.03);
        animation: float 25s infinite linear;
        transition: background 0.5s ease;
    }

    [data-theme="dark"] .floating-circle {
        background: rgba(22, 94, 254, 0.08);
    }

    .circle-1 {
        width: 300px;
        height: 300px;
        top: 10%;
        right: 5%;
        animation-delay: 0s;
    }

    .circle-2 {
        width: 200px;
        height: 200px;
        bottom: 15%;
        left: 8%;
        animation-delay: -5s;
    }

    .circle-3 {
        width: 150px;
        height: 150px;
        top: 60%;
        right: 20%;
        animation-delay: -10s;
    }

    .circle-4 {
        width: 250px;
        height: 250px;
        bottom: 25%;
        right: 15%;
        animation-delay: -15s;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0) rotate(0deg);
        }

        25% {
            transform: translateY(-40px) rotate(90deg);
        }

        50% {
            transform: translateY(0) rotate(180deg);
        }

        75% {
            transform: translateY(40px) rotate(270deg);
        }
    }

    /* Enhanced Navigation */
    .navbar {
        padding: 1.2rem 0;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(10px);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        transition: var(--transition);
    }

    [data-theme="dark"] .navbar {
        background: rgba(30, 41, 59, 0.95) !important;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    }

    .navbar.scrolled {
        padding: 0.8rem 0;
        box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    }

    .nav-link {
        position: relative;
        font-weight: 500;
        margin: 0 0.5rem;
        transition: var(--transition);
        font-family: 'Exo 2', sans-serif;
        color: var(--text-color) !important;
    }

    .nav-link:after {
        content: '';
        position: absolute;
        width: 0;
        height: 3px;
        background: var(--primary-color);
        left: 50%;
        bottom: 0;
        border-radius: 3px;
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }

    .nav-link:hover:after,
    .nav-link.active:after {
        width: 80%;
    }

    .nav-link:hover,
    .nav-link.active {
        color: var(--primary-color) !important;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        border: none;
        padding: 0.8rem 2rem;
        border-radius: 50px;
        font-weight: 600;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
        z-index: 1;
        font-family: 'Exo 2', sans-serif;
    }

    .btn-primary:before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
        transition: all 0.5s ease;
        z-index: -1;
    }

    .btn-primary:hover:before {
        left: 0;
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(22, 94, 254, 0.3);
    }

    /* Contact Hero Section */
    .contact-hero {
        padding: 8rem 0 4rem;
        position: relative;
        overflow: hidden;
        background: linear-gradient(135deg, var(--bg-color), var(--light-color));
        text-align: center;
    }

    .contact-hero:before {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(22, 94, 254, 0.03), rgba(74, 68, 198, 0.03));
        clip-path: polygon(0 0, 100% 0, 100% 80%, 0 100%);
        z-index: -1;
        transition: background 0.5s ease;
    }

    [data-theme="dark"] .contact-hero:before {
        background: linear-gradient(135deg, rgba(22, 94, 254, 0.08), rgba(74, 68, 198, 0.08));
    }

    .contact-hero h1 {
        font-size: 3.5rem;
        font-weight: 800;
        margin-bottom: 1.5rem;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .contact-hero p {
        font-size: 1.2rem;
        color: var(--gray-color);
        max-width: 700px;
        margin: 0 auto;
        transition: color 0.5s ease;
    }

    /* Contact Content */
    .contact-content {
        display: flex;
        flex-wrap: wrap;
        gap: 3rem;
        padding: 4rem 0;
    }

    /* Contact Info Cards */
    .contact-info {
        flex: 1;
        min-width: 300px;
    }

    .info-card {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        padding: 2.5rem;
        margin-bottom: 2rem;
        box-shadow: var(--card-shadow);
        border: var(--card-border);
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }

    .info-card:before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 5px;
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.5s ease;
    }

    .info-card:hover:before {
        transform: scaleX(1);
    }

    .info-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    }

    .info-header {
        display: flex;
        align-items: center;
        margin-bottom: 1.5rem;
    }

    .info-icon {
        width: 60px;
        height: 60px;
        border-radius: 15px;
        background: linear-gradient(135deg, rgba(22, 94, 254, 0.1), rgba(74, 68, 198, 0.1));
        display: flex;
        align-items: center;
        justify-content: center;
        margin-right: 1.5rem;
        color: var(--primary-color);
        font-size: 1.8rem;
        transition: var(--transition);
    }

    .info-card:hover .info-icon {
        transform: scale(1.1) rotate(5deg);
        background: linear-gradient(135deg, rgba(22, 94, 254, 0.2), rgba(74, 68, 198, 0.2));
    }

    .info-header h3 {
        font-size: 1.5rem;
        margin-bottom: 0;
        color: var(--text-color);
    }

    .info-content p {
        color: var(--gray-color);
        margin-bottom: 0.5rem;
        transition: color 0.5s ease;
    }

    .info-action {
        margin-top: 1.5rem;
    }

    .info-btn {
        display: inline-flex;
        align-items: center;
        color: var(--primary-color);
        text-decoration: none;
        font-weight: 600;
        transition: var(--transition);
    }

    .info-btn i {
        margin-left: 0.5rem;
        transition: transform 0.3s ease;
    }

    .info-btn:hover i {
        transform: translateX(5px);
    }

    /* Contact Form */
    .contact-form-container {
        flex: 1;
        min-width: 300px;
    }

    .form-title {
        font-size: 2.2rem;
        margin-bottom: 2rem;
        color: var(--text-color);
        position: relative;
        display: inline-block;
    }

    .form-title:after {
        content: '';
        position: absolute;
        width: 60px;
        height: 5px;
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
        bottom: -10px;
        left: 0;
        border-radius: 5px;
    }

    .contact-form {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        padding: 2.5rem;
        box-shadow: var(--card-shadow);
        border: var(--card-border);
        transition: var(--transition);
    }

    .contact-form:hover {
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 600;
        color: var(--text-color);
        transition: color 0.5s ease;
    }

    .form-control {
        width: 100%;
        padding: 1rem;
        border-radius: 10px;
        border: 1px solid rgba(0, 0, 0, 0.1);
        background: var(--input-bg);
        color: var(--text-color);
        font-family: 'Exo 2', sans-serif;
        font-size: 1rem;
        transition: all 0.3s ease;
    }

    [data-theme="dark"] .form-control {
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .form-control:focus {
        outline: none;
        border-color: var(--primary-color);
        box-shadow: 0 0 0 3px rgba(22, 94, 254, 0.1);
    }

    textarea.form-control {
        min-height: 150px;
        resize: vertical;
    }

    .submit-btn {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: white;
        border: none;
        padding: 1rem 2.5rem;
        border-radius: 50px;
        font-weight: 600;
        font-size: 1.1rem;
        cursor: pointer;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
        width: 100%;
        z-index: 1;
    }

    .submit-btn:before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
        transition: all 0.5s ease;
        z-index: -1;
    }

    .submit-btn:hover:before {
        left: 0;
    }

    .submit-btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(22, 94, 254, 0.3);
    }

    /* Form Message */
    .form-message {
        margin-top: 1rem;
        padding: 1rem;
        border-radius: 10px;
        text-align: center;
        font-weight: 600;
        animation: fadeIn 0.5s ease;
    }

    .form-message.success {
        background: rgba(46, 204, 113, 0.1);
        color: #2ecc71;
        border: 1px solid rgba(46, 204, 113, 0.2);
    }

    .form-message.error {
        background: rgba(231, 76, 60, 0.1);
        color: #e74c3c;
        border: 1px solid rgba(231, 76, 60, 0.2);
    }

    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }

        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    /* FAQ Section */
    .faq-section {
        padding: 5rem 0;
        background: var(--section-bg);
        transition: background 0.5s ease;
    }

    .section-title {
        text-align: center;
        margin-bottom: 3rem;
    }

    .section-title h2 {
        font-size: 2.5rem;
        margin-bottom: 1rem;
        color: var(--text-color);
        position: relative;
        display: inline-block;
    }

    .section-title h2:after {
        content: '';
        position: absolute;
        width: 60px;
        height: 5px;
        background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: 5px;
    }

    .section-title p {
        color: var(--gray-color);
        font-size: 1.1rem;
        max-width: 700px;
        margin: 0 auto;
        transition: color 0.5s ease;
    }

    .faq-container {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--card-bg);
        border-radius: var(--border-radius);
        margin-bottom: 1rem;
        overflow: hidden;
        box-shadow: var(--card-shadow);
        border: var(--card-border);
        transition: var(--transition);
    }

    .faq-item:hover {
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    }

    .faq-question {
        padding: 1.5rem;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 600;
        color: var(--text-color);
        transition: color 0.5s ease;
    }

    .faq-question:hover {
        color: var(--primary-color);
    }

    .faq-question i {
        transition: transform 0.3s ease;
    }

    .faq-item.active .faq-question i {
        transform: rotate(180deg);
    }

    .faq-answer {
        padding: 0 1.5rem;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }

    .faq-item.active .faq-answer {
        padding: 0 1.5rem 1.5rem;
        max-height: 500px;
    }

    .faq-answer p {
        color: var(--gray-color);
        margin-bottom: 0;
        transition: color 0.5s ease;
    }

    /* Map Section */
    .map-section {
        padding: 4rem 0;
        background: var(--light-color);
        transition: background 0.5s ease;
    }

    .map-container {
        border-radius: var(--border-radius);
        overflow: hidden;
        box-shadow: var(--card-shadow);
        height: 400px;
    }

    /* Footer */
    footer {
        background: var(--footer-bg);
        padding: 4rem 0 2rem;
        position: relative;
        overflow: hidden;
        margin-top: 6rem;
        transition: background 0.5s ease;
    }

    footer:before {
        content: '';
        position: absolute;
        width: 200px;
        height: 200px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.03);
        top: -100px;
        right: -100px;
    }

    .footer-content {
        color: rgba(255, 255, 255, 0.8);
        text-align: center;
    }

    .footer-content p {
        margin-bottom: 1rem;
    }

    .copyright {
        margin-top: 3rem;
        padding-top: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.9rem;
    }

    /* Animations */
    .animate-on-scroll {
        opacity: 0;
        transform: translateY(30px);
        transition: all 0.8s ease;
    }

    .animate-on-scroll.animated {
        opacity: 1;
        transform: translateY(0);
    }

    /* Badges */
    .badge {
        padding: 0.5rem 1rem;
        border-radius: 50px;
        font-size: 0.85rem;
        font-weight: 500;
    }

    /* Responsive */
    @media (max-width: 992px) {
        .contact-hero h1 {
            font-size: 2.8rem;
        }

        .section-title h2 {
            font-size: 2.2rem;
        }

        .contact-content {
            flex-direction: column;
        }

        .theme-toggle {
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            font-size: 1.2rem;
        }

        .back-to-top {
            bottom: 80px;
            right: 20px;
            width: 45px;
            height: 45px;
            font-size: 1rem;
        }
    }

    @media (max-width: 768px) {
        .contact-hero h1 {
            font-size: 2.3rem;
        }

        .section-title h2 {
            font-size: 1.9rem;
        }

        .form-title {
            font-size: 1.8rem;
        }

        .info-card,
        .contact-form {
            padding: 2rem;
        }
    }

    @media (max-width: 576px) {
        .contact-hero h1 {
            font-size: 2rem;
        }

        .contact-hero p {
            font-size: 1.1rem;
        }

        .section-title h2 {
            font-size: 1.7rem;
        }

        .info-header {
            flex-direction: column;
            align-items: flex-start;
        }

        .info-icon {
            margin-bottom: 1rem;
            margin-right: 0;
        }
    }