:root {
    --primary-color: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --secondary-color: #3b82f6;
    --text-dark: #f3f4f6;
    --text-light: #d1d5db;
    --bg-light: #1f2937;
    --bg-white: #111827;
    --border-color: #374151;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Navigation */
.navbar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--primary-color);
}

.logo-image {
    height: 40px;
    width: 40px;
    object-fit: contain;
}

.logo-text-container {
    display: flex;
    flex-direction: column;
}

.logo-text {
    font-size: 1.5rem;
}

.logo-sub {
    font-size: 0.75rem;
    color: var(--secondary-color);
    letter-spacing: 0.05em;
}

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #059669 0%, #10b981 100%);
    color: white;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.hero-graphic {
    position: relative;
    height: 400px;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.circle-1 {
    width: 200px;
    height: 200px;
    top: 0;
    right: 0;
    animation: float 6s ease-in-out infinite;
}

.circle-2 {
    width: 150px;
    height: 150px;
    bottom: 50px;
    left: 50px;
    animation: float 8s ease-in-out infinite 1s;
}

.circle-3 {
    width: 100px;
    height: 100px;
    top: 50%;
    right: 30%;
    animation: float 7s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(20px); }
}

@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-graphic {
        display: none;
    }
}

/* Section Styles */
section {
    padding: 4rem 0;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
}

/* Services Section */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Specializations Section */
.specializations {
    background: var(--bg-white);
}

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

.spec-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.spec-card:hover {
    transform: translateX(8px);
}

.spec-featured {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border-left: 4px solid var(--primary-color);
    grid-column: span 1;
}

@media (min-width: 1024px) {
    .spec-featured {
        grid-column: span 2;
    }
}

.spec-badge {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.spec-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.spec-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.spec-list {
    list-style: none;
}

.spec-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.spec-list li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Why Us Section */
.why-us {
    background: var(--bg-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.why-item {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 0.75rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.why-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-icon {
    height: 50px;
    width: 50px;
    margin-bottom: 1rem;
    object-fit: contain;
    display: block;
}

.why-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.why-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Engagement Models */
.engagement {
    background: var(--bg-white);
}

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

.engagement-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 0.75rem;
    border-top: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.engagement-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.engagement-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.engagement-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.engagement-card ul {
    list-style: none;
    color: var(--text-light);
}

.engagement-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.engagement-card li:before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

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

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

.contact-content h2 {
    color: white;
    margin-bottom: 1rem;
}

.contact-content > p {
    font-size: 1.1rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

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

.contact-method {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
}

.contact-method h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.contact-method p {
    margin: 0;
}

.contact-method a {
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-method a:hover {
    text-decoration: underline;
    opacity: 0.8;
}

.contact-method .btn {
    margin-top: 1rem;
    display: block;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

.footer-bottom a {
    color: #60a5fa;
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 2.5rem 0;
    }
    
    .services-grid,
    .specializations-grid,
    .engagement-grid,
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-featured {
        grid-column: span 1;
    }
    
    .contact-methods {
        grid-template-columns: 1fr;
    }
}

/* Smooth transitions */
a, button {
    transition: all 0.3s ease;
}

/* Print styles */
@media print {
    .navbar,
    .footer,
    .hero-cta {
        display: none;
    }
}