/* CSS Variables for Theme */
:root {
    --primary-color: #0066cc;
    --secondary-color: #004499;
    --accent-color: #00aaff;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --card-bg: #ffffff;
    --border-color: rgba(0, 102, 204, 0.1);
    --shadow: rgba(0, 0, 0, 0.1);
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --hero-gradient: linear-gradient(135deg, #0066cc 0%, #004499 100%);
}

[data-theme="dark"] {
    --primary-color: #00aaff;
    --secondary-color: #0066cc;
    --accent-color: #33bbff;
    --text-color: #e0e0e0;
    --text-light: #b0b0b0;
    --bg-color: #1a1a1a;
    --bg-secondary: #2a2a2a;
    --card-bg: #2a2a2a;
    --border-color: rgba(0, 170, 255, 0.2);
    --shadow: rgba(0, 0, 0, 0.3);
    --navbar-bg: rgba(26, 26, 26, 0.95);
    --hero-gradient: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
    transition: all 0.3s ease;
}

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

/* Theme and Language Switcher */
.theme-language-switcher {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    gap: 10px;
    align-items: center;
}

.theme-switcher {
    display: flex;
}

.theme-btn {
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 50%;
    background: var(--navbar-bg);
    color: var(--text-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--shadow);
    backdrop-filter: blur(10px);
}

.theme-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.language-switcher {
    display: flex;
    background: var(--navbar-bg);
    border-radius: 25px;
    padding: 5px;
    box-shadow: 0 4px 20px var(--shadow);
    backdrop-filter: blur(10px);
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    color: var(--text-light);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.3);
}

.lang-btn:hover {
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-color);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--navbar-bg);
    backdrop-filter: blur(10px);
    z-index: 999;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: var(--navbar-bg);
    box-shadow: 0 2px 20px var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-img {
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
}

.nav-logo:hover .logo-img {
    transform: scale(1.1);
}

.nav-logo h2 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--hero-gradient);
    color: white;
    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 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="90" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 102, 204, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

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

.tech-icons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.tech-icon {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.tech-icon:hover {
    transform: translateY(-10px);
}

.tech-icon i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--accent-color);
}

.tech-icon span {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

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

/* Sectors Section */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.sector-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.sector-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow);
}

.sector-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #28a745, #20c997);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.sector-icon i {
    font-size: 2rem;
    color: white;
}

.sector-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.sector-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Partners Section */
.partners {
    background: var(--bg-color);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.partner-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.partner-card:hover::before {
    left: 100%;
}

.partner-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--accent-color);
}

.partner-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    position: relative;
    z-index: 2;
}

.partner-logo i {
    font-size: 2rem;
    color: white;
}

.partner-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
    position: relative;
    z-index: 2;
}

.partner-card p {
    color: var(--text-light);
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* Technology Section */
.technology {
    background: var(--bg-secondary);
}

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

.tech-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: transform 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.tech-item:hover {
    transform: translateX(10px);
}

.tech-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.tech-item p {
    color: var(--text-light);
    line-height: 1.6;
}

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

.contact .section-header h2,
.contact .section-header p {
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: white;
}

.contact-details h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-details p {
    opacity: 0.9;
    line-height: 1.6;
}

.contact-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.form-group label {
    position: absolute;
    top: -10px;
    left: 15px;
    background: rgba(255, 255, 255, 0.1);
    padding: 0 10px;
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group select option {
    background: #333;
    color: white;
}

/* Footer */
.footer {
    background: var(--bg-color);
    color: var(--text-color);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo-img {
    height: 35px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(346deg) brightness(104%) contrast(97%);
}

[data-theme="dark"] .footer-logo-img {
    filter: brightness(0) saturate(100%) invert(70%) sepia(78%) saturate(2476%) hue-rotate(186deg) brightness(118%) contrast(119%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-color);
}

.footer-section p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 10px;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li span {
    color: var(--text-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

/* 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: 20px 0;
    }

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

    .nav-menu li {
        margin: 15px 0;
    }

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

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .tech-icons {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .sectors-grid {
        grid-template-columns: 1fr;
    }

    .partners-grid {
        grid-template-columns: 1fr;
    }

    .tech-showcase {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .theme-language-switcher {
        top: 10px;
        right: 10px;
        flex-direction: column;
        gap: 5px;
    }

    .container {
        padding: 0 15px;
    }

    section {
        padding: 60px 0;
    }

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

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .service-card,
    .sector-card,
    .partner-card {
        padding: 30px 20px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}