/* General Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    background-color: #f4f4f9;
    color: #333;
    line-height: 1.6;
}

header {
    background: #fff;
    padding: 1rem 2rem;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo {
    font-size: 1.5rem;
    font-weight: bold;
}

header nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

header nav ul li {
    margin-left: 2rem;
}

header nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: #007bff;
}

/* Hero Section */
.hero {
    background: url('images/hero-bg.jpg') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 6rem 2rem;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.cta-button {
    background: #007bff;
    color: #fff;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #0056b3;
}

/* Main Content */
main {
    padding: 2rem;
}

section {
    margin-bottom: 3rem;
}

h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: #333;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.portfolio-item {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.portfolio-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    margin-top: 0;
    font-size: 1.5rem;
}

.portfolio-content p {
    margin-bottom: 1rem;
}

.portfolio-links a {
    text-decoration: none;
    color: #007bff;
    margin-right: 1rem;
    font-weight: 500;
}

.portfolio-links a:hover {
    text-decoration: underline;
}

/* Skills Section */
.skills-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.skill-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Contact Section */
#contact {
    text-align: center;
}

.contact-links {
    margin-top: 1.5rem;
}

.contact-links a {
    display: inline-block;
    margin: 0 1rem;
    text-decoration: none;
    color: #007bff;
    font-size: 1.2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-links a:hover {
    color: #0056b3;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    background: #333;
    color: #fff;
}