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

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

/* ==================== NAVBAR ==================== */
.navbar {
    background: #0F172A;
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    color: white;
    font-weight: bold;
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: white;
    margin: 4px 0;
    transition: 0.3s;
}

/* ==================== HERO ==================== */
.hero {
    background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.85)), url('../images/hero.jpg');
    background-size: cover;
    background-position: center;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 70px;
    padding: 2rem;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* ==================== GENERAL ==================== */
.section {
    padding: 60px 5%;
}

h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    color: #0F172A;
}

.btn {
    display: inline-block;
    background: #FACC15;
    color: #0F172A;
    padding: 14px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn:hover {
    background: #EAB308;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    border-top: 5px solid #1E40AF;
}

.card:hover {
    transform: translateY(-8px);
}

.card.yellow {
    border-top: 5px solid #FACC15;
}

.light-blue-bg {
    background: #EFF6FF;
}

.footer {
    background: #0F172A;
    color: white;
    text-align: center;
    padding: 3rem 5%;
}

/* ==================== MOBILE STYLES ==================== */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #0F172A;
        flex-direction: column;
        padding: 1rem 0;
        display: none;
        text-align: center;
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .section {
        padding: 50px 5%;
    }
}