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

body {
    background: #f2f4f7;
    color: #333;
}

/* --- NAVBAR --- */
nav {
    background: white;
    padding: 15px 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav ul {
    list-style: none;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin: 0 15px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: 0.2s;
}

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

/* --- CONTAINER --- */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 40px auto;
}

/* --- HERO SECTION --- */
.hero {
    background: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
}

.hero h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero p {
    font-size: 18px;
    color: #555;
}

/* --- FEATURE CARDS --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.card p {
    font-size: 15px;
    color: #666;
}

/* FOOTER */
footer {
    margin-top: 50px;
    padding: 20px;
    background: #333;
    color: white;
    text-align: center;
    font-size: 14px;
}

/* MOBILE */
@media(max-width: 600px) {
    .hero h1 { font-size: 26px; }
    nav ul li { display: block; margin: 10px 0; }
}