:root {
            --primary: #03045e;
            --secondary: #e63946;
            --accent: #2e86c1;
            --light: #f8f9fa;
            --dark: #03045e;
            --gray: #7f8c8d;
            --success: #27ae60;
            --white: #ffffff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --vh: 1vh;
            
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--white);
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        p {
            margin-bottom: 1rem;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .section {
            padding: 5rem 0;
        }

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

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary);
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary);
            color: var(--white);
            border: none;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn:hover {
            background-color: #d35400;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

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

        .btn-primary:hover {
            background-color: #154360;
        }

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

        .btn-outline:hover {
            background-color: var(--secondary);
            color: var(--white);
        }

        /* Header Styles */
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        .logo {
              display: flex;
              align-items: center;
              gap: 15px;
        }

         .logo img {
            height: 80px; 
         }

        .nav-menu {
            display: flex;
        }

        .nav-item {
            margin-left: 2rem;
        }

        .nav-link {
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--secondary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .hamburger {
            display: none;
            cursor: pointer;
        }

        .bar {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            background-color: var(--dark);
            transition: var(--transition);
        }

        
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: var(--white);
            height: calc(var(--vh, 1vh) * 100); 
            min-height: calc(var(--vh, 1vh) * 100);
            display: flex;
            align-items: center;
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
        }

       
        .about {
            background-color: var(--light);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-text h2 {
            color: var(--primary);
        }

       
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.value-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(3, 4, 94, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(3, 4, 94, 0.05);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--secondary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(3, 4, 94, 0.15);
}

.value-icon-container {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), #4361ee);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 20px rgba(3, 4, 94, 0.2);
}

.value-icon {
    font-size: 2rem;
    color: var(--white);
}

.value-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.value-card p {
    color: #5a6c7d;
    line-height: 1.6;
}

        
        .advertisements {
            background-color: var(--white);
            padding: 4rem 0;
        }

        .ad-section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }

        .ad-carousel {
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }

        .ad-carousel-track {
            display: flex;
            transition: transform 0.5s ease;
        }

        .ad-slide {
            min-width: 100%;
            padding: 2rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .ad-slide.secondary {
            background: linear-gradient(135deg, var(--secondary), #ff7b54);
        }

        .ad-slide.accent {
            background: linear-gradient(135deg, var(--accent), #4361ee);
        }

        .ad-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .ad-title {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .ad-description {
            max-width: 600px;
            margin-bottom: 1.5rem;
        }

        .ad-cta {
            background-color: var(--white);
            color: var(--primary);
            padding: 0.8rem 1.5rem;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }

        .ad-cta:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .carousel-nav {
            display: flex;
            justify-content: center;
            margin-top: 1.5rem;
            gap: 0.5rem;
        }

        .carousel-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }

        .carousel-dot.active {
            background-color: var(--secondary);
            transform: scale(1.2);
        }

        .carousel-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(255, 255, 255, 0.7);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            z-index: 10;
        }

        .carousel-arrow:hover {
            background-color: var(--white);
        }

        .carousel-arrow.prev {
            left: 15px;
        }

        .carousel-arrow.next {
            right: 15px;
        }

        
.marketplace-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2.5rem;
}

.marketplace-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(3, 4, 94, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(3, 4, 94, 0.05);
    position: relative;
}

.marketplace-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 40px rgba(3, 4, 94, 0.15);
}

.marketplace-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.marketplace-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.marketplace-item:hover .marketplace-img img {
    transform: scale(1.1);
}

.marketplace-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--secondary);
    color: var(--white);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.marketplace-content {
    padding: 1.8rem;
}

.marketplace-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--primary);
    font-weight: 700;
}

.marketplace-price {
    font-weight: 700;
    color: var(--secondary);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.marketplace-seller {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(3, 4, 94, 0.1);
}

.seller-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 1rem;
}

.seller-info span {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
}

.marketplace-item p {
    color: #5a6c7d;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.marketplace-cta {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), #4361ee);
    color: var(--white);
    padding: 0.9rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    width: 100%;
    font-size: 0.95rem;
}

.marketplace-cta:hover {
    background: linear-gradient(135deg, var(--secondary), #ff6b6b);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.2);
}
        
        .services-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 2rem;
            border-bottom: 1px solid #ddd;
        }

        .tab-btn {
            padding: 1rem 2rem;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }

        .tab-btn.active {
            color: var(--secondary);
            border-bottom: 3px solid var(--secondary);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

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

.service-card,
.value-card,
.portfolio-item,
.marketplace-item {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-order) * 0.1s);
    opacity: 0;
}

        
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.service-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(3, 4, 94, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(3, 4, 94, 0.05);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 0;
    background: linear-gradient(to bottom, var(--secondary), #ff6b6b);
    transition: height 0.4s ease;
}

.service-card:hover::before {
    height: 100%;
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(3, 4, 94, 0.15);
    border-color: rgba(230, 57, 70, 0.2);
}

.service-icon-container {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary), #ff6b6b);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(230, 57, 70, 0.2);
}

.service-icon {
    font-size: 2rem;
    color: var(--white);
}

.service-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.service-card h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
    transition: width 0.3s ease;
}

.service-card:hover h4::after {
    width: 80px;
}

.service-card p {
    color: #5a6c7d;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}


        .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
}

.portfolio-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(3, 4, 94, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(3, 4, 94, 0.05);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 50px rgba(3, 4, 94, 0.15);
}

.portfolio-img {
    height: 220px;
    overflow: hidden;
    position: relative;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(3, 4, 94, 0.7), rgba(230, 57, 70, 0.7));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    background-color: var(--white);
    color: var(--primary);
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-category {
    transform: translateY(0);
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-content h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--primary);
    position: relative;
    padding-bottom: 0.5rem;
}

.portfolio-content h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary);
}

.portfolio-content p {
    color: #5a6c7d;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.portfolio-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.portfolio-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray);
}

.portfolio-meta i {
    color: var(--secondary);
}
       
        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--secondary);
        }

       
.contact-form {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(3, 4, 94, 0.1);
    border: 1px solid rgba(3, 4, 94, 0.05);
}

.contact-form h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.8rem;
    position: relative;
}

.form-control {
    width: 100%;
    padding: 1rem 1.2rem;
    border: 1px solid rgba(3, 4, 94, 0.1);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: rgba(255, 255, 255, 0.9);
}

.form-control:focus {
    border-color: var(--secondary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
    background-color: var(--white);
}

.form-label {
    position: absolute;
    left: 1.2rem;
    top: 1rem;
    color: var(--gray);
    transition: all 0.3s ease;
    pointer-events: none;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0 0.5rem;
}

.form-control:focus + .form-label,
.form-control:not(:placeholder-shown) + .form-label {
    top: -0.6rem;
    font-size: 0.85rem;
    color: var(--secondary);
    background-color: var(--white);
}
        
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 3rem 0 1.5rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .footer-links h3 {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .footer-links h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary);
        }

        .footer-links ul li {
            margin-bottom: 0.8rem;
        }

        .footer-links a {
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

       
        @media (max-width: 992px) {
            .about-content, .contact-content {
                grid-template-columns: 1fr;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .ad-section-header {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }

            .hamburger.active .bar:nth-child(2) {
                opacity: 0;
            }

            .hamburger.active .bar:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }

            .hamburger.active .bar:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }

            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: var(--white);
                width: 100%;
                text-align: center;
                transition: var(--transition);
                box-shadow: var(--shadow);
                padding: 2rem 0;
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-item {
                margin: 1rem 0;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .services-tabs {
                flex-direction: column;
            }

            .tab-btn {
                width: 100%;
                text-align: center;
            }
            
            .carousel-arrow {
                display: none;
            }
        }


        


.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 2rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid rgba(3, 4, 94, 0.1);
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), #4361ee);
    border-radius: 50px;
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    z-index: -1;
}

.filter-btn:hover {
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(3, 4, 94, 0.2);
    transform: translateY(-3px);
}

.filter-btn:hover::before {
    transform: translateX(0);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--secondary), #ff6b6b);
    color: var(--white);
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.3);
}

.filter-btn.active::before {
    display: none;
}

.filter-btn:focus {
    outline: none;
}


.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}


.portfolio-item {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(3, 4, 94, 0.08);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(3, 4, 94, 0.05);
    position: relative;
}

.portfolio-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 60px rgba(3, 4, 94, 0.15);
    border-color: rgba(230, 57, 70, 0.2);
}


.portfolio-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

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


.category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.portfolio-item[data-category="logistics"] .category-badge {
    background: linear-gradient(135deg, var(--accent), #4361ee);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(46, 134, 193, 0.3);
}

.portfolio-item[data-category="real-estate"] .category-badge {
    background: linear-gradient(135deg, var(--secondary), #ff6b6b);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}


.portfolio-content {
    padding: 2rem;
    position: relative;
}

.portfolio-content::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 2rem;
    right: 2rem;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(3, 4, 94, 0.1), transparent);
}

.portfolio-content h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary);
    line-height: 1.4;
    position: relative;
    padding-left: 1.5rem;
}

.portfolio-content h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--secondary);
    border-radius: 50%;
}

.portfolio-content p {
    color: #5a6c7d;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}


.portfolio-stats {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(3, 4, 94, 0.05);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--gray);
}

.stat-item i {
    color: var(--secondary);
    font-size: 0.9rem;
}


.portfolio-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 60%, rgba(3, 4, 94, 0.1));
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 20px;
    z-index: 1;
}

.portfolio-item:hover::after {
    opacity: 1;
}


.portfolio-content {
    position: relative;
    z-index: 2;
}


.portfolio-item {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--animation-order) * 0.1s);
    opacity: 0;
}

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


@media (max-width: 768px) {
    .portfolio-filters {
        gap: 0.8rem;
    }
    
    .filter-btn {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-content {
        padding: 1.5rem;
    }
    
    .portfolio-stats {
        flex-wrap: wrap;
        gap: 1rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}


.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; 
    color: var(--white);
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--white), transparent);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    background: rgba(3, 4, 94, 0.15);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    background: linear-gradient(to right, #fff, #f8f9fa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.7s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.hero-buttons .btn {
    padding: 16px 35px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    min-width: 200px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-buttons .btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--secondary), #ff6b6b);
    z-index: -1;
    transition: transform 0.4s ease;
    border-radius: 50px;
}

.hero-buttons .btn:hover::before {
    transform: scale(1.05);
}

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

.hero-buttons .btn-outline::before {
    background: var(--white);
    transform: translateX(-100%);
}

.hero-buttons .btn-outline:hover {
    color: var(--primary);
}

.hero-buttons .btn-outline:hover::before {
    transform: translateX(0);
}


@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-content {
    animation: float 6s ease-in-out infinite;
}


.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 2rem;
    color: var(--white);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}


@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.7rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .hero-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
        height: 100vh;
        background-attachment: scroll;
    }
    
    .hero h1 {
        font-size: 2.2rem;
        margin-bottom: 1.2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
        padding: 14px 30px;
    }
    
    .hero-content {
        padding: 1.8rem 1.2rem;
        -webkit-backdrop-filter: blur(5px);
        backdrop-filter: blur(5px);
    }
    
    .scroll-indicator {
        bottom: 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.9rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-content {
        padding: 1.5rem 1rem;
    }
}


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


header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 0.5rem 0; 
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0; 
}

.logo img {
    height: 60px; 
}

.nav-item {
    margin-left: 1.5rem; 
}


.nav-menu {
    display: flex;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px; 
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow);
        padding: 1.5rem 0; 
    }
}


.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px; 
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--white), transparent);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px; 
    margin: 0 auto;
    text-align: center;
    padding: 2.5rem; 
    background: rgba(3, 4, 94, 0.2); 
    -webkit-backdrop-filter: blur(15px);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero h1 {
    font-size: 2.8rem; 
    font-weight: 800;
    margin-bottom: 1.2rem; 
    line-height: 1.15;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.6);
    background: linear-gradient(to right, #fff, #e0f2ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: fadeInUp 1s ease-out 0.5s both;
}

.hero p {
    font-size: 1.2rem; 
    margin-bottom: 2rem; 
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.95);
    max-width: 550px; 
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-out 0.7s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1.2rem; 
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.9s both;
}

.hero-buttons .btn {
    padding: 14px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    min-width: 180px; 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.hero-buttons .btn i {
    margin-right: 8px;
}


.scroll-indicator {
    position: absolute;
    bottom: 30px; 
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}


@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.3rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-content {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .logo img {
        height: 50px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
        height: 100vh;
        background-attachment: scroll;
        padding-top: 70px; 
    }
    
    .hero h1 {
        font-size: 1.9rem;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.8rem;
        line-height: 1.4;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    .hero-content {
        padding: 1.5rem;
        -webkit-backdrop-filter: blur(8px);
        backdrop-filter: blur(8px);
    }
    
    .scroll-indicator {
        bottom: 15px;
    }
    
    
    header {
        padding: 0.4rem 0;
    }
    
    .logo img {
        height: 45px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }
    
    .hero p {
        font-size: 0.95rem;
    }
    
    .hero-content {
        padding: 1.2rem;
    }
    
    .hero-buttons .btn {
        max-width: 220px;
        padding: 10px 20px;
    }
}


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


.scroll-indicator {
    position: fixed;
    bottom: 40px;
    right: 30px;
    z-index: 1001;
    animation: bounce 2s infinite;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(135deg, var(--secondary), #ff6b6b);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.3);
    border: none;
    outline: none;
    opacity: 0.9;
}

.scroll-indicator:hover {
    transform: scale(1.15);
    box-shadow: 0 12px 30px rgba(230, 57, 70, 0.4);
    opacity: 1;
    animation: none; 
}

.scroll-indicator:active {
    transform: scale(0.95);
}

.scroll-indicator i {
    font-size: 1.8rem;
    color: var(--white);
    transition: transform 0.3s ease;
}

.scroll-indicator:hover i {
    transform: scale(1.1);
}


.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.8);
}


.scroll-indicator::after {
    content: attr(title);
    position: absolute;
    bottom: 70px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover::after {
    opacity: 1;
}


@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 0.9;
        transform: translateY(0);
    }
}

.scroll-indicator.scroll-down i {
    animation: fadeInDown 0.3s ease;
}

.scroll-indicator.scroll-up i {
    animation: fadeInUp 0.3s ease;
}


@media (max-width: 768px) {
    .scroll-indicator {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
    
    .scroll-indicator i {
        font-size: 1.5rem;
    }
    
    .scroll-indicator::after {
        bottom: 60px;
        font-size: 0.7rem;
        padding: 6px 10px;
    }
}

@media (max-width: 480px) {
    .scroll-indicator {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
    }
    
    .scroll-indicator i {
        font-size: 1.3rem;
    }
}