:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --secondary: #10b981;
    --dark: #1f2937;
    --light: #f9fafb;
    --gray: #6b7280;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
}

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

header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo a {
    text-decoration: none;
    color: var(--primary);
}

.logo span {
    color: var(--secondary);
}

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

nav a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Project Hero Section */
.project-hero {
    padding: 4rem 0;
    background: linear-gradient(to right, #f0f9ff, #e0f2fe);
    text-align: center;
}

.project-hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.project-hero .subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    margin-bottom: 2rem;
}

.hero-image {
    max-width: 100%;
    border-radius: 0.5rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    max-height: 500px;
    object-fit: cover;
}

/* Project Details Section */
.project-details {
    padding: 4rem 0;
    background-color: white;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.detail-card {
    background-color: var(--light);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.detail-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.detail-card p {
    color: var(--gray);
}

.detail-card ul {
    margin-left: 1.5rem;
    color: var(--gray);
}

.detail-card li {
    margin-bottom: 0.5rem;
}

.cta-container {
    text-align: center;
    margin-top: 2rem;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s;
    margin: 0 0.5rem;
}

.btn:hover {
    background-color: var(--primary-dark);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--gray);
}

.btn-secondary:hover {
    background-color: #4b5563;
}

/* Testimonials Section */
.testimonials {
    padding: 4rem 0;
    background-color: var(--light);
}

.testimonials h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: white;
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.testimonial-card p {
    color: var(--gray);
    font-style: italic;
    margin-bottom: 1rem;
}

.testimonial-card .author {
    font-weight: 600;
    color: var(--dark);
    font-style: normal;
}

/* Footer Styles */
footer {
    background-color: var(--dark);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

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

.copyright {
    color: var(--gray);
}

/* Responsive Styles */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .project-hero h1 {
        font-size: 2rem;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}