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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #333;
}

header {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
}

.logo { font-size: 1.55rem; font-weight: bold; }

.nav-links {
    display: flex;
    gap: 1.2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
}

.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    background: none;
    border: none;
    color: white;
}

.hero {
    background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)), url('images/hero.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 100px 20px 80px;
}

.btn {
    display: inline-block;
    background: #f59e0b;
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 15px;
}

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    padding: 25px;
    margin-bottom: 20px;
    text-align: center;
}

section { padding: 60px 15px; max-width: 1200px; margin: 0 auto; }

h1, h2 { color: #1e3a8a; margin-bottom: 20px; }

footer {
    background: #1e3a8a;
    color: white;
    text-align: center;
    padding: 35px 15px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #1e3a8a;
        padding: 20px;
        text-align: center;
    }
    .nav-links.active { display: flex; }
    .hamburger { display: block; }
    .hero h1 { font-size: 2.1rem; }
    section { padding: 50px 15px; }
}