/* ====== Global Reset & Base ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

body {
    background: #f9f9f9;
    color: #333;
    line-height: 1.6;
    padding: 0 20px;
}

/* ====== Navbar ====== */
nav {
    background: #222;
    padding: 15px 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
    border-radius: 8px;
    margin: 20px auto;
    max-width: 900px;
}

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

nav a:hover {
    color: #00b4d8;
}

/* ====== Hero / Home Section ====== */
.hero {
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(135deg, #00b4d8, #0077b6);
    color: white;
    border-radius: 12px;
    margin-bottom: 30px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ====== Content ====== */
main {
    max-width: 900px;
    margin: auto;
    padding: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

/* ====== Footer ====== */
footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: #666;
}