/* Global Styles */
:root {
    --light-bg: #ffffff;
    --light-text: #111111;
    --dark-bg: #111111;
    --dark-text: #ffffff;
}

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--light-text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid #ccc;
    background-color: var(--light-bg);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

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

#theme-toggle {
    cursor: pointer;
    padding: 0.5rem 1rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
}

.hero .btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.7rem 1.5rem;
    background-color: #111;
    color: #fff;
    border-radius: 5px;
}

.hero .btn:hover {
    opacity: 0.8;
}

/* Sections */
section {
    padding: 3rem 2rem;
}

h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

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

.skills-list li {
    background-color: #eee;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

/* Projects */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.project-card {
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: 10px;
    text-align: center;
    background-color: #f9f9f9;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid #ccc;
}

/* Dark mode */
body.dark-mode {
    background-color: var(--dark-bg);
    color: var(--dark-text);
}

body.dark-mode .navbar {
    background-color: var(--dark-bg);
}

body.dark-mode .project-card {
    background-color: #222;
}

body.dark-mode .skills-list li {
    background-color: #333;
}