* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: #2c5aa0;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #2c5aa0;
}

.nav-link.active {
    color: #2c5aa0;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ff6b35;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #2c5aa0 0%, #1e3a5f 100%);
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="white" opacity="0.1"><polygon points="0,100 0,0 1000,0 1000,80"/></svg>') no-repeat center bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #2c5aa0;
    transform: translateY(-3px);
}

/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.services h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #2c5aa0;
    font-weight: 700;
    position: relative;
}

.services h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.service-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #2c5aa0;
    font-weight: 600;
}

.service-card p {
    margin-bottom: 2rem;
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

.service-link {
    color: #ff6b35;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
}

.service-link::after {
    content: ' →';
    transition: transform 0.3s ease;
}

.service-link:hover::after {
    transform: translateX(5px);
}

.service-link:hover {
    color: #e55a2e;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: #2c5aa0;
    font-weight: 700;
    position: relative;
}

.about h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-radius: 2px;
}

.about p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: #666;
    line-height: 1.8;
}

.features {
    list-style: none;
}

.features li {
    margin-bottom: 1rem;
    font-size: 1.2rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.features li::before {
    content: '✓';
    color: #28a745;
    font-weight: bold;
    font-size: 1.3rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 15px;
    border-left: 5px solid #ff6b35;
    transition: transform 0.3s ease;
}

.stat:hover {
    transform: translateX(10px);
}

.stat h3 {
    font-size: 3rem;
    color: #ff6b35;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat p {
    color: #666;
    margin: 0;
    font-weight: 500;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.contact h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 3rem;
    color: #2c5aa0;
    font-weight: 700;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-radius: 2px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-info {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-info h3 {
    margin-bottom: 2rem;
    color: #2c5aa0;
    font-size: 1.8rem;
    font-weight: 600;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.contact-item .icon {
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 15px 20px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #2c5aa0;
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1e3a5f 0%, #0d1a2d 100%);
    color: white;
    padding: 60px 0 30px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #ff6b35, transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1.5rem;
    color: #ff6b35;
    font-weight: 600;
}

.footer-section h3 {
    font-size: 1.8rem;
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.footer-section a:hover {
    color: white;
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-links a {
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #ff6b35;
    transform: translateY(-2px);
    padding-left: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1.5rem 0;
    }

    .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);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: row;
        justify-content: space-around;
    }

    .services h2,
    .about h2,
    .contact h2 {
        font-size: 2.2rem;
    }

    .nav-container {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 120px 0 80px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .about-stats {
        flex-direction: column;
    }

    .services,
    .about,
    .contact {
        padding: 60px 0;
    }

    .service-card,
    .contact-info,
    .contact-form {
        padding: 2rem 1.5rem;
    }

    .services h2,
    .about h2,
    .contact h2 {
        font-size: 1.8rem;
    }
}

/* Loading Animation */
.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.loading.show {
    opacity: 1;
    transform: translateY(0);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #ff6b35;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: #e55a2e;
    transform: translateY(-3px);
}
/* ...existing code... */

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background: white;
    position: relative;
}

.portfolio h2 {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: #2c5aa0;
    font-weight: 700;
    position: relative;
}

.portfolio h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-radius: 2px;
}

.portfolio-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    line-height: 1.6;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 30px;
    border: 2px solid #2c5aa0;
    background: transparent;
    color: #2c5aa0;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1rem;
    font-family: inherit;
}

.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    border-color: #ff6b35;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.portfolio-item {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s ease;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.9);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.portfolio-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
    z-index: 1;
}

.portfolio-card:hover::before {
    left: 100%;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.portfolio-image {
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-placeholder {
    font-size: 4rem;
    color: #2c5aa0;
    transition: transform 0.3s ease;
}

.portfolio-card:hover .portfolio-placeholder {
    transform: scale(1.1);
}

.portfolio-content {
    padding: 2.5rem 2rem;
}

.portfolio-content h3 {
    font-size: 1.6rem;
    color: #2c5aa0;
    margin-bottom: 1rem;
    font-weight: 600;
}

.portfolio-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 1.1rem;
}

.portfolio-stats {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
}

.portfolio-link {
    color: #ff6b35;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
}

.portfolio-link::after {
    content: ' →';
    transition: transform 0.3s ease;
}

.portfolio-link:hover::after {
    transform: translateX(5px);
}

.portfolio-link:hover {
    color: #e55a2e;
}

.portfolio-cta {
    text-align: center;
    padding: 4rem 3rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 20px;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.portfolio-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #ff6b35, #ff8c42, #ff6b35);
}

.portfolio-cta h3 {
    font-size: 2.2rem;
    color: #2c5aa0;
    margin-bottom: 1rem;
    font-weight: 600;
}

.portfolio-cta p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}


@media (max-width: 768px) {
    /* ...existing responsive code... */
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .portfolio-filters {
        gap: 0.8rem;
        padding: 0 1rem;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .portfolio-content {
        padding: 2rem 1.5rem;
    }
    
    .portfolio-stats {
        justify-content: center;
    }
    
    .portfolio-cta {
        padding: 3rem 2rem;
        margin: 2rem 1rem 0;
    }
}

@media (max-width: 480px) {
    /* ...existing responsive code... */
    
    .portfolio {
        padding: 60px 0;
    }
    
    .portfolio h2 {
        font-size: 2.2rem;
    }
    
    .portfolio-subtitle {
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }
    
    .portfolio-filters {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
        min-width: 120px;
    }
    
    .portfolio-cta {
        padding: 2rem 1rem;
    }
    
    .portfolio-cta h3 {
        font-size: 1.8rem;
    }
    
    .portfolio-cta p {
        font-size: 1.1rem;
    }
    
    .portfolio-content h3 {
        font-size: 1.4rem;
    }
    
    .portfolio-content p {
        font-size: 1rem;
    }
}