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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    background-color: white;
    color: black;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    background-color: white;
    color: black;
    text-align: center;
    padding: 120px 20px;
    border-bottom: 1px solid lightgray;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: black;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: black;
    letter-spacing: 0.5px;
}

.cta {
    display: inline-block;
    background-color: black;
    color: white;
    padding: 15px 35px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.cta:hover {
    background-color: darkgray;
    transform: translateY(-2px);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: white;
    padding: 20px 10px;
    z-index: 100;
    box-shadow: 0 2px 5px black;
    transition: all 0.3s ease;
}

.navbar ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
    margin: 0;
}

.navbar ul li {
    margin: 0 20px;
}

.navbar ul li a {
    color: black;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.navbar ul li a:hover {
    color: black;
}

.about {
    margin-top: 140px;
    background-color: white;
    padding: 40px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    color: black;
    margin-bottom: 20px;
}

.about p {
    font-size: 1.2rem;
    color: black;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

.projects {
    margin-top: 60px;
    padding: 40px;
    background-color: white;
}

.projects h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: black;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.project-card {
    background: white;
    color: black;
    border-radius: 20px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.project-card h3 {
    font-size: 1.4rem;
    margin: 10px 0;
}

.project-card p {
    font-size: 1rem;
    color: black;
    margin: 10px 0;
}

.project-button {
    display: inline-block;
    margin-top: 15px;
    padding: 15px 30px;
    background: black;
    color: white;
    text-decoration: none;
    font-weight: bold;
    border-radius: 25px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.project-button:hover {
    background: darkgray;
    transform: translateY(-2px);
}

.footer {
    background-color: white;
    color: black;
    text-align: center;
    padding: 40px 10px;
    margin-top: 60px;
    border-top: 1px solid lightgray;
}

.footer a {
    color: black;
    text-decoration: none;
    font-weight: bold;
}

.footer a:hover {
    text-decoration: underline;
}

.footer h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.project-card {
    background: white;
    color: black;
    border: 2px solid black;
    border-radius: 20px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}