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

:root {
    --primary-color: #00ff88;
    --secondary-color: #00ccff;
    --dark-bg: #0a0e27;
    --card-bg: #141b33;
    --text-color: #e0e0e0;
    --text-muted: #a0a0a0;
}

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

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(0, 255, 136, 0.03) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(0, 204, 255, 0.03) 50%, transparent 70%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    z-index: -1;
}

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

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
}

nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

nav .logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.3));
}

nav .nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.lang-selector {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.lang-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    transition: color 0.3s, background 0.3s;
    text-transform: uppercase;
}

.lang-link:hover {
    color: var(--primary-color);
    background: rgba(0, 255, 136, 0.1);
}

.lang-link.active {
    color: var(--primary-color);
    background: rgba(0, 255, 136, 0.15);
}

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

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s, font-weight 0.3s;
    font-size: 0.95rem;
}

nav ul li a:hover {
    color: var(--primary-color);
}

nav ul li a.active {
    color: var(--primary-color);
    font-weight: bold;
}

/* Mobile menu button */
.mobile-menu-button {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-button span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s;
    border-radius: 2px;
}

.mobile-menu-button.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-button.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-button.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 6rem 2rem 2rem;
    position: relative;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease;
}

.hero-logo {
    max-width: 300px;
    margin-bottom: 2rem;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.3));
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .slogan {
    font-size: 1.5rem;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 2rem;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 20px rgba(0, 255, 136, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 255, 136, 0.5);
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Styling */
section {
    padding: 5rem 2rem;
    position: relative;
}

section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* Values Section */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: transform 0.3s, border-color 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.value-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Projects Section */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(0, 255, 136, 0.2);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    align-items: center;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 255, 136, 0.2);
    border-color: var(--primary-color);
}

.project-image-container {
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.03);
}

.project-logo {
    max-width: 100%;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(0, 255, 136, 0.3));
}

.project-content {
    padding: 2rem 2rem 2rem 0;
}

.project-card h3 {
    color: var(--secondary-color);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.project-card p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.project-card ul {
    list-style: none;
    margin: 1.5rem 0;
}

.project-card ul li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
}

.project-card ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.project-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.project-link {
    display: inline-block;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

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

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid rgba(0, 204, 255, 0.2);
    transition: transform 0.3s, border-color 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
}

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

/* Contact Form */
.contact-section {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 3rem;
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--dark-bg);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

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

.submit-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--dark-bg);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 255, 136, 0.5);
}

/* Footer */
footer {
    background: rgba(10, 14, 39, 0.95);
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid rgba(0, 255, 136, 0.1);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-button {
        display: flex;
    }

    nav .nav-right {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }

    nav .nav-right.active {
        transform: translateX(0);
    }

    nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    nav ul li {
        width: 100%;
        text-align: center;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    }

    nav ul li:last-child {
        border-bottom: none;
    }

    nav ul li a {
        display: block;
        font-size: 1.1rem;
    }

    .lang-selector {
        padding: 1rem 0;
        border-top: 1px solid rgba(0, 255, 136, 0.1);
        justify-content: center;
    }

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 1rem;
    }

    .hero {
        padding: 5rem 1rem 2rem;
    }

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

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

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

    section h2 {
        font-size: 2rem;
    }

    .values-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-section {
        padding: 2rem 1.5rem;
        max-width: 100%;
    }

    .value-card,
    .service-card {
        padding: 1.5rem;
    }

    .project-card {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .project-image-container {
        padding: 2rem 1.5rem 1rem;
    }

    .project-logo {
        max-width: 200px;
    }

    .project-content {
        padding: 1rem 1.5rem 2rem;
    }

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

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

.scroll-indicator::before {
    content: '▼';
    color: var(--primary-color);
    font-size: 1.5rem;
}