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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e1e8ed;
    --success-color: #27ae60;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --border-radius: 8px;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header & Navigation */
header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo .tagline {
    font-size: 0.875rem;
    color: var(--text-light);
    font-weight: 400;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

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

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

.nav-links .cta-button {
    background-color: var(--secondary-color);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius);
}

.nav-links .cta-button:hover {
    background-color: #2980b9;
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.primary-button, .secondary-button {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.secondary-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Services Section */
.services {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.service-card .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

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

/* Expertise Section */
.expertise {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-white);
}

.expertise h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.expertise-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.expertise-column h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: var(--spacing-xs);
}

.expertise-column ul {
    list-style: none;
}

.expertise-column li {
    padding: var(--spacing-xs) 0;
    color: var(--text-dark);
    position: relative;
    padding-left: 1.5rem;
}

.expertise-column li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Why Choose Section */
.why-choose {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-light);
}

.why-choose h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.benefit {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.benefit h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

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

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

.contact-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.contact-content > p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.contact-info {
    margin: var(--spacing-lg) 0;
    font-size: 1.1rem;
}

.contact-item {
    margin: var(--spacing-sm) 0;
}

.contact-info a {
    color: white;
    text-decoration: underline;
}

.contact-info a:hover {
    opacity: 0.8;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: var(--spacing-md) 0;
    text-align: center;
}

footer p {
    margin: var(--spacing-xs) 0;
    opacity: 0.9;
}

.footer-note {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .hero h2 {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .services h2,
    .expertise h2,
    .why-choose h2,
    .contact-content h2 {
        font-size: 2rem;
    }

    .services-grid,
    .expertise-content,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

    .primary-button,
    .secondary-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) 0;
    }

    .hero h2 {
        font-size: 1.75rem;
    }

    .services,
    .expertise,
    .why-choose,
    .contact {
        padding: var(--spacing-lg) 0;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Print Styles */
@media print {
    header {
        position: static;
    }

    .hero,
    .contact {
        background: white;
        color: black;
    }

    .primary-button,
    .secondary-button {
        border: 2px solid black;
        color: black;
    }
}