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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f4f8;
    color: #333;
    line-height: 1.6;
}

/* Header */
header {
    background-color: #4a90e2;
    color: #fff;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    font-size: 1.8rem;
}

header nav a {
    color: #fff;
    margin-left: 1.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

header nav a:hover {
    color: #ffdd57;
}

/* Main Sections */
main {
    padding: 2rem;
    max-width: 1200px;
    margin: auto;
}

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: #4a90e2;
}

/* Project Cards */
.project-list, #projects-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.project-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    flex: 1 1 calc(33% - 1.5rem);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

.project-card h3 {
    color: #222;
    margin-bottom: 0.5rem;
}

.project-card p {
    font-size: 0.95rem;
    color: #555;
}

.project-card a {
    display: inline-block;
    margin-top: 0.8rem;
    padding: 0.5rem 1rem;
    background-color: #4a90e2;
    color: #fff;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.project-card a:hover {
    background-color: #357ab7;
}

/* About Section */
#skills ul {
    list-style-type: none;
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

#skills li {
    background-color: #e0ecff;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

/* Footer */
footer {
    text-align: center;
    padding: 1.5rem;
    background-color: #4a90e2;
    color: #fff;
    margin-top: 3rem;
}

/* Responsive Design */
@media (max-width: 900px) {
    .project-card {
        flex: 1 1 calc(50% - 1rem);
    }
}

@media (max-width: 600px) {
    header {
        flex-direction: column;
        align-items: flex-start;
    }

    header nav {
        margin-top: 0.5rem;
    }

    .project-card {
        flex: 1 1 100%;
    }
}