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

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --section-bg: #f3f4f6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

/* Navigation */
.navbar {
    background: var(--background);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-color);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    background: linear-gradient(rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.05));
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero p {
    font-size: 1.25rem;
    color: var(--light-text);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background: var(--secondary-color);
}

/* Services Section */
.services {
    padding: 6rem 0;
    background: var(--section-bg);
}

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* About Section */
.about {
    padding: 6rem 0;
}

.about h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.expertise-list {
    list-style: none;
    margin-top: 2rem;
}

.expertise-list li {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Portfolio Section */
.portfolio {
    padding: 6rem 0;
    background: var(--section-bg);
}

.portfolio h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

.portfolio-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.portfolio-item h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Contact Section */
.contact {
    padding: 6rem 0;
}

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

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

input, textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
}

textarea {
    height: 150px;
    resize: vertical;
}

.submit-button {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
}

.submit-button:hover {
    background: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--text-color);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
}