* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    line-height: 1.6;
}

/* NAVBAR */
.nav {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background: #0d1117;
    color: white;
}

.nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

.nav a {
    color: white;
    text-decoration: none;
}

/* HERO */
.hero {
    height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(to right, #0d1117, #1f2937);
    color: white;
    text-align: center;
}

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

.buttons {
    margin-top: 20px;
}

.btn {
    padding: 10px 20px;
    background: #2563eb;
    color: white;
    margin: 5px;
    text-decoration: none;
    border-radius: 5px;
}

.secondary {
    background: #374151;
}

/* SECTIONS */
.section {
    padding: 60px 20px;
    text-align: center;
}

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.card {
    padding: 20px;
    background: #f3f4f6;
    border-radius: 10px;
}

/* PROJECTS */
.project {
    margin: 20px auto;
    max-width: 700px;
    text-align: left;
}

.project ul {
    margin: 10px 0;
}

/* IMAGE FIX */
.architecture-img {
    width: 100%;
    max-width: 800px;
    margin-top: 20px;
    border-radius: 10px;
}

/* FOOTER */
footer {
    padding: 20px;
    background: #0d1117;
    color: white;
    text-align: center;
}