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

body, html {
    height: 100%;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
/* --- Navbar --- */
.navbar {
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 1rem 2rem;
    z-index: 1000;
    backdrop-filter: blur(6px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links li a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s;
}

.nav-links li a:hover {
    color: #a5b4fc;
}
/* --- Hero Section --- */
.hero {
    background-image: url('../resources/spaceexplorer.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    backdrop-filter: blur(4px);
    background-color: rgba(0, 0, 0, 0.5); /* Optional for dark overlay */
}

.content {
    max-width: 700px;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 15px;
}

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

.content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: #4f46e5;
    color: white;
    text-decoration: none;
    font-size: 1rem;
    border-radius: 25px;
    transition: background 0.3s ease;
}

.btn:hover {
    background-color: #3730a3;
}
.features-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: left;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 1rem;
    line-height: 1.5;
}

/* Make it responsive */
@media (min-width: 768px) {
    .features-grid {
        flex-direction: row;
        justify-content: space-between;
    }

    .feature-card {
        width: 30%;
    }
}

.hidden {
    display: none;
}