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

:root {
    --primary-color: #1e3a5f;
    --secondary-color: #2c5282;
    --accent-color: #c53030;
    --light-bg: #f7fafc;
    --white: #ffffff;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
    color: var(--primary-color);
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Roboto', sans-serif;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.language-switch {
    display: flex;
    align-items: center;
    gap: 10px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 5px 12px;
    border-radius: 4px;
}

.lang-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.hero-content {
    text-align: center;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 40px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    min-width: 200px;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.25);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 15px;
    display: block;
}

.feature-card p {
    font-size: 14px;
    color: var(--white);
    font-weight: 500;
}

.cta-button {
    display: inline-block;
    background: var(--white);
    color: var(--primary-color);
    padding: 15px 40px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
}

.scroll-indicator span {
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    animation: bounce 1.4s infinite ease-in-out both;
}

.scroll-indicator span:nth-child(1) {
    animation-delay: -0.32s;
}

.scroll-indicator span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--white);
}

.section-title {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-color);
    font-weight: 700;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    white-space: pre-line;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.stat-card {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 10px;
    font-weight: 500;
}

/* News Section */
.news {
    padding: 100px 0;
    background: var(--light-bg);
}

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

.news-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

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

.news-image {
    height: 200px;
    background: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.news-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
}

.tech-pattern {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.tech-pattern-2 {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
}

.tech-pattern-3 {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
}

.news-content {
    padding: 25px;
}

.news-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-weight: 500;
}

.news-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

.news-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--white);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    gap: 20px;
    background: var(--light-bg);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.contact-icon {
    font-size: 32px;
    display: flex;
    align-items: flex-start;
    color: var(--primary-color);
}

.contact-details h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.contact-details p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.contact-form {
    background: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: 'Roboto', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    border: none;
    border-radius: 4px;
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Roboto', sans-serif;
}

.submit-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--primary-color);
    padding: 40px 0;
    color: var(--white);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .feature-card {
        min-width: 250px;
    }

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

    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .nav-links {
        font-size: 14px;
        gap: 15px;
    }

    .hero-title {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .stat-number {
        font-size: 36px;
    }
}