/* ----------------------------- */
/* Body & Background (Unified)  */
/* ----------------------------- */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Orbitron', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(to bottom, #1b2545, #24345f, #1c2c52); /* unified gradient */
    color: white;
    position: relative;
    overflow: hidden;
}

/* Starry overlay (same as project1) */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
            radial-gradient(2px 2px at 40px 60px, white, transparent),
            radial-gradient(1px 1px at 120px 200px, white, transparent),
            radial-gradient(1px 1px at 220px 120px, white, transparent),
            radial-gradient(2px 2px at 320px 180px, white, transparent),
            radial-gradient(1px 1px at 420px 90px, white, transparent),
            radial-gradient(1px 1px at 520px 240px, white, transparent),
            radial-gradient(2px 2px at 620px 140px, white, transparent),
            radial-gradient(1px 1px at 720px 80px, white, transparent),
            radial-gradient(1px 1px at 820px 210px, white, transparent);
    background-repeat: repeat;
    opacity: 0.7;
    z-index: -1;
}

/* ----------------------------- */
/* Navbar (Compatible)           */
/* ----------------------------- */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    height: 60px;
    background: rgba(28, 44, 82, 0.8); /* semi-transparent dark */
    backdrop-filter: blur(8px); /* glass effect */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar h1 {

    text-shadow:
            0 0 10px rgba(255,255,255,0.6),
            0 0 20px rgba(120,180,255,0.6);
    font-size: 24px;
    margin: 0;
    font-weight: bold;
}

/* Links */
.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    background-color: rgba(255, 221, 87, 0.2);
    transform: scale(1.05);
}

.nav-links a.active {
    background-color: rgba(255, 221, 87, 0.4);
    font-weight: bold;
}

/* ----------------------------- */
/* Content / iframe              */
/* ----------------------------- */
.content {
    height: calc(100vh - 60px);
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent; /* ensure iframe blends */
}