:root {
    --primary-color: #1a237e;    /* Deep blue */
    --primary-light: #534bae;    /* Lighter blue */
    --primary-dark: #000051;     /* Darker blue */
    --secondary-color: #00bfa5;  /* Teal */
    --secondary-light: #5df2d6;  /* Lighter teal */
    --secondary-dark: #008e76;   /* Darker teal */
    --text-color: #333333;
    --text-light: #757575;
    --background-light: #f5f5f5;
    --white: #ffffff;
    --black: #212121;
    --gray: #e0e0e0;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --border-radius: 8px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 100px 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

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

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    color: var(--white);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--primary-color);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.3);
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn.primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

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

/* Navigation */
.navbar {
    background: var(--white);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 70px;
    width: auto;
    display: block;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-item {
    margin-left: 30px;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

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

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

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

.menu-btn {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 180px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,224C672,245,768,267,864,250.7C960,235,1056,181,1152,165.3C1248,149,1344,171,1392,181.3L1440,192L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 24px;
    line-height: 1.2;
}

.animate-text {
    background: linear-gradient(90deg, var(--white), var(--secondary-light), var(--white));
    background-size: 200% auto;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient 8s linear infinite;
}

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

.hero-content p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--white);
    opacity: 0.7;
    font-size: 14px;
}

.hero-scroll-indicator i {
    margin-top: 8px;
    animation: bounce 2s infinite;
}

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

/* Services Section */
.services {
    background-color: var(--background-light);
    position: relative;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    z-index: -1;
    transition: var(--transition);
    opacity: 0;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card:hover::before {
    height: 100%;
    opacity: 1;
}

.service-card:hover * {
    color: var(--white);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--white);
}

.service-icon i {
    font-size: 30px;
    color: var(--white);
    transition: var(--transition);
}

.service-card:hover .service-icon i {
    color: var(--primary-color);
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    transition: var(--transition);
}

.service-card p {
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-features {
    list-style: none;
    margin-bottom: 24px;
}

.service-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.service-features li i {
    color: var(--secondary-color);
    margin-right: 10px;
    transition: var(--transition);
}

.service-card:hover .service-features li i {
    color: var(--secondary-light);
}

.service-link {
    display: inline-flex;
    align-items: center;
    font-weight: 600;
    color: var(--primary-color);
    transition: var(--transition);
}

.service-link i {
    margin-left: 8px;
    transition: var(--transition);
}

.service-link:hover i {
    transform: translateX(5px);
}

/* Portfolio Section */
.portfolio {
    background-color: var(--white);
}

.portfolio-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 8px 20px;
    background: var(--gray);
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 35, 126, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

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

.portfolio-content {
    text-align: center;
    padding: 20px;
    color: var(--white);
    transform: translateY(20px);
    transition: var(--transition);
}

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

.portfolio-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.portfolio-content p {
    margin-bottom: 20px;
    font-size: 14px;
    opacity: 0.9;
}

.portfolio-btn {
    padding: 8px 20px;
    font-size: 14px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    overflow-y: auto;
    padding: 50px 0;
}

.modal-content {
    background: var(--white);
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 30px;
    color: var(--text-color);
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--error);
}

.modal-header {
    padding: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--white);
}

.modal-header h2 {
    margin-bottom: 10px;
}

.modal-subtitle {
    opacity: 0.9;
}

.modal-body {
    padding: 30px;
}

.modal-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.modal-gallery img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.modal-description h3 {
    margin: 25px 0 15px;
    color: var(--primary-color);
}

.modal-description ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.modal-description li {
    margin-bottom: 8px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tech-tags span {
    background: var(--gray);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.modal-cta {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

/* About Section */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 80%;
    height: 80%;
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius);
    z-index: -1;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-text p {
    margin-bottom: 30px;
    font-size: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    color: var(--white);
    font-size: 20px;
}

.feature-text h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.feature-text p {
    font-size: 14px;
    margin-bottom: 0;
    color: var(--text-light);
}

/* Brands Section */
.brands {
    background-color: var(--background-light);
    padding: 80px 0;
}

.brand-slider {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.brand-item {
    flex: 1;
    min-width: 150px;
    max-width: 200px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.brand-item:hover {
    transform: translateY(-5px);
}

.brand-item img {
    max-width: 100%;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.brand-item:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* Contact Section */
.contact {
    background-color: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.info-card {
    background: var(--background-light);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.info-icon i {
    color: var(--white);
    font-size: 24px;
}

.info-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.info-card p {
    margin-bottom: 15px;
    color: var(--text-light);
}

.info-link {
    color: var(--secondary-color);
    font-weight: 600;
    transition: var(--transition);
}

.info-link:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 16px;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 191, 165, 0.2);
}

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

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo img {
    height: 50px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-logo p {
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer h3 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

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

.footer-links,
.footer-services {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-services a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-services a:hover {
    opacity: 1;
    color: var(--secondary-color);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    opacity: 0.8;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-bottom-links a:hover {
    opacity: 1;
    color: var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 36px;
    }
    
    .hero .container,
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: 30px;
    }
    
    .about-image::before {
        display: none;
    }
    
    .feature {
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: var(--transition);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-item {
        margin-left: 0;
    }
    
    .menu-btn {
        display: block;
    }
    
    .modal-gallery {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 28px;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .portfolio-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 0 15px;
    }
}