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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* Header Section */
.hero {
    text-align: center;
    padding: 80px 0;
    color: white;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.95;
    line-height: 1.7;
}

/* Section Styles */
.section {
    background: white;
    margin: 40px 0;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
    color: #2d3748;
}

/* Grid Layouts */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.collaborate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* Card Styles */
.card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: #667eea;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3748;
}

.card p {
    color: #64748b;
    line-height: 1.6;
}

/* Collaborate Cards */
.collaborate-card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.collaborate-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.collaborate-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #2d3748;
}

.collaborate-card ul {
    list-style: none;
}

.collaborate-card li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    line-height: 1.6;
    color: #4a5568;
}

.collaborate-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.collaborate-card strong {
    color: #2d3748;
}

/* Expertise Items */
.expertise-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8fafc;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.expertise-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    border-color: #667eea;
}

.expertise-item i {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 20px;
}

.expertise-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: #2d3748;
}

.expertise-item p {
    color: #64748b;
    line-height: 1.6;
}

/* Featured Project Section */
.featured-project {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    margin: 40px 0;
}

.featured-project .section-title {
    color: white;
}

.project-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 20px;
}

.project-header h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

.project-stats {
    display: flex;
    gap: 20px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.2);
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 0.9rem;
}

.stat i {
    color: #ffd700;
}

.project-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    opacity: 0.95;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.project-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Contact Section */
.contact-section {
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    margin: 40px 0 0 0;
}

.contact-section .section-title {
    color: white;
}

.contact-text {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: rgba(255,255,255,0.2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
}

.contact-link:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.contact-note {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0;
    color: white;
    font-size: 1.1rem;
}

.footer p {
    opacity: 0.9;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 40px 20px;
        margin: 20px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .grid,
    .collaborate-grid,
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .collaborate-card {
        padding: 20px;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: center;
    }
    
    .project-header {
        flex-direction: column;
        text-align: center;
    }
    
    .project-stats {
        justify-content: center;
    }
    
    .project-card {
        padding: 30px 20px;
    }
    
    .project-header h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section {
        padding: 30px 15px;
    }
    
    .card,
    .collaborate-card,
    .expertise-item {
        padding: 20px;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* Hover effects for better interactivity */
.card:hover .card-icon,
.expertise-item:hover i {
    transform: scale(1.1);
    transition: transform 0.3s ease;
}