:root {
    --primary: #414243;
    --primary-dark: #333435;
    --secondary: #414243;
    --secondary-dark: #414243;
    --light: #ffffff;
    --gray: #f0f4ff;
    --gray-light: #f8fafc;
    --transition: all 0.3s ease;
    --card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Work Sans', sans-serif;
    line-height: 1.6;
    color: var(--primary);
    background-color: var(--gray);
    min-height: 100vh;
}

h1, h2, h3, h4 {
    font-family: 'Oswald', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header Styles */
header {
    background-color: var(--light);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1.2rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary);
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    /* background: linear-gradient(135deg, var(--primary), var(--primary-dark)); */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
}

.main-nav {
    flex-grow: 1;
    margin: 0 2rem;
}

.main-nav ul {
    display: flex;
    list-style: none;
    justify-content: center;
    gap: 2rem;
}

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

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

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

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

.language-toggle {
    background: var(--secondary);
    color: white;
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.language-toggle:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    /* background: linear-gradient(135deg, #1e40af 0%, #0c4a6e 100%); */
    background: linear-gradient(135deg, #515253 0%, #414243 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><polygon points="0,100 100,0 100,100" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: 100% 100%;
    opacity: 0.7;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--secondary);
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border: none;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.cta-button:hover {
    background: #f0f4ff;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.85;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
}

.section-title h2 {
    font-size: 2.5rem;
    color: var(--primary);
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary);
    border-radius: 2px;
}

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

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.about-roles {
    margin-top: 2rem;
}

.role-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.role-icon {
    background: var(--secondary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 5px;
}

.role-content h4 {
    margin-bottom: 0.3rem;
    color: var(--secondary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 25px -5px rgba(0, 0, 0, 0.15);
}

.project-header {
    /* background: linear-gradient(135deg, var(--primary), var(--primary-dark)); */
    background: linear-gradient(135deg, #515253 0%, #414243 100%);
    color: white;
    padding: 1.8rem;
}

.project-header h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.project-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 1.5rem;
    padding: 0 1.2rem 1.2rem;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.project-body {
    padding: 1.8rem;
}

.project-body ul {
    list-style: none;
}

.project-body li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.project-body li:last-child {
    border-bottom: none;
}

.project-body li i {
    color: var(--secondary);
    margin-top: 4px;
}

/* Ecosystem Section */
.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.ecosystem-card {
    background: var(--gray-light);
    border-radius: 15px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 5px 15px -5px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.ecosystem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px -5px rgba(0, 0, 0, 0.1);
}

.ecosystem-card i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
}

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

/* Contact Section */
.contact-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(0, 119, 122, 0.2);
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

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

.contact-icon {
    background: var(--secondary);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.2rem;
}

.contact-details h4 {
    margin-bottom: 0.3rem;
    color: var(--primary);
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 3rem 0 2rem;
}

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

.footer-column h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    color: var(--secondary);
}

.footer-column h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #cbd5e0;
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
    font-size: 0.95rem;
}

.footer-bottom a {
    color: var(--secondary);
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.3rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav {
        margin: 1rem 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
    
    .language-toggle {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .stat-item {
        flex: 1;
    }
}