/* Reset & full viewport */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Open Sans', sans-serif !important;
    overflow-x: hidden;
}

/* Hero – full screen background using your logo colours */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, 
        #6A11CB 0%,     /* Purple from your logo */
        #2575FC 50%,    /* Blue from your logo */
        #00D4FF 100%    /* Cyan from your logo */
    );

    position: relative;
    margin-top: var(--navbar-height, 0);            /* automatically adjusts to navbar */
}

/* Dark overlay for text readability */
.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* Logo sizing */
.hero-logo {
    max-width: 200px;
    width: 90%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
}


/* If navbar is transparent and sits ON TOP of hero (most modern look) */
header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1030;
    background: transparent !important;
    transition: background 0.3s ease;
}

/* When user scrolls, make navbar solid (optional but nice) */
.scrolled header {
    background: rgba(0, 0, 0, 0.85) !important;
    backdrop-filter: blur(10px);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

/* Optional: fix small gap/closing issue */
.dropdown:hover .dropdown-menu {
    margin-top: 0;           /* remove the tiny gap that causes flicker */
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero h1.display-3 {
        font-size: 2.8rem;
    }
    .hero .lead {
        font-size: 1.1rem;
    }
    .hero-logo {
        max-width: 150px;
    }
}