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

/* BODY */
body {
    background: #f3f6fa;
    color: #222;
    line-height: 1.6;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: #0a2a66;
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

.navbar .logo {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: white;
    text-decoration: none;
}

.navbar ul {
    display: flex;
    gap: 25px;
    list-style: none;
}

.navbar ul li a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 12px;
    transition: 0.3s;
    border-radius: 6px;
}

.navbar ul li a:hover,
.navbar ul li a.active {
    background: #ffffff22;
}

/* HERO */
.hero {
    text-align: center;
    padding: 100px 30px;
    color: white;
    background: linear-gradient(135deg, #0a2a66, #0d3a88);
    box-shadow: inset 0 0 40px rgba(0,0,0,0.25);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

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

/* GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    padding: 50px;
}

/* CARD */
.card {
    background: white;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    transition: 0.3s;
    border-left: 6px solid #0a2a66;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.card h2 {
    margin-bottom: 12px;
    color: #0a2a66;
    font-size: 1.4rem;
}

.card p {
    margin-bottom: 12px;
    font-size: 1rem;
}

/* BUTTON */
.btn, button {
    display: inline-block;
    background: #0a2a66;
    color: white;
    padding: 12px 22px;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
}

.btn:hover, button:hover {
    background: #0d3a88;
    transform: translateY(-2px);
}

/* LINKS */
a {
    color: #0a2a66;
    text-decoration: none;
    font-weight: 600;
}

a:hover {
    text-decoration: underline;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 25px;
    background: #0a2a66;
    color: white;
    margin-top: 40px;
    font-size: 0.9rem;
}