/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e3a8a;
    --secondary-color: #3b82f6;
    --accent-color: #60a5fa;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --gray-color: #64748b;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.brand-tech {
    color: var(--secondary-color);
    font-weight: 300;
    margin-left: 5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%231e3a8a" width="1200" height="600"/><g fill-opacity="0.1"><circle fill="%23fff" cx="200" cy="100" r="100"/><circle fill="%23fff" cx="800" cy="400" r="150"/><circle fill="%23fff" cx="1000" cy="200" r="80"/></g></svg>');
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 300;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Sections */
.section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 0 auto;
}

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

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

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-label {
    color: var(--gray-color);
    font-size: 1rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

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

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.product-card.featured {
    border: 2px solid var(--secondary-color);
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 100%);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.product-card h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.product-card > p {
    color: var(--gray-color);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    color: var(--dark-color);
    padding: 0.5rem 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.btn-product {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-product:hover {
    background: var(--secondary-color);
    transform: translateX(5px);
}

/* Solutions Section */
.solutions {
    background: var(--light-color);
}

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

.solution-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
    transition: var(--transition);
}

.solution-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transform: translateX(5px);
}

.solution-item h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.solution-item p {
    color: var(--gray-color);
    line-height: 1.6;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h3 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--gray-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

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

.contact-icon {
    font-size: 1.5rem;
}

.contact-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.contact-item p {
    margin: 0;
    color: var(--gray-color);
}

/* Contact Form */
.contact-form {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-color);
}

.footer-links h4 {
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links a {
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-color);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .section {
        padding: 4rem 0;
    }

    .about-content {
        gap: 2rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

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

    .nav-brand h1 {
        font-size: 1.2rem;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu li {
        padding: 1rem 0;
        border-bottom: 1px solid #f1f5f9;
    }

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

    .section {
        padding: 3rem 0;
    }

    .hero {
        height: auto;
        min-height: 100vh;
        padding: 6rem 1rem 4rem;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .about-content,
    .contact-content,
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid,
    .products-grid,
    .solutions-content {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .service-card,
    .product-card,
    .solution-item {
        padding: 2rem;
    }

    .product-card h3 {
        font-size: 1.5rem;
    }

    .contact-info h3 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-brand h1 {
        font-size: 1rem;
    }

    .hero {
        padding: 5rem 0.5rem 3rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .section {
        padding: 2.5rem 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .service-card,
    .product-card,
    .solution-item {
        padding: 1.5rem;
    }

    .service-icon,
    .product-icon {
        font-size: 2.5rem;
    }

    .product-card h3 {
        font-size: 1.3rem;
    }

    .product-features li {
        font-size: 0.9rem;
    }

    .btn-product {
        padding: 0.7rem 1.5rem;
        font-size: 0.9rem;
    }

    .about-text h3 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.95rem;
    }

    .footer-brand h2 {
        font-size: 1.2rem;
    }

    .product-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 1.3rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}