@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&family=Astloch:wght@400;700&family=Pirata+One&display=swap');

header {
    position: relative;
    background: var(--color-bg-panel);
}

/* Hamburger button always on top */
#menu-toggle,
.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 1rem;
    transition: transform var(--transition-fast);
}
.hamburger.open {
    transform: rotate(90deg);
}

.hamburger span {
    width: 24px;
    height: 3px;
    background: var(--color-accent);
    transition: background var(--transition-fast);
}
.hamburger span:hover {
    background: var(--color-text-light);
}

/* Nav slides in underneath the hamburger */
#site-nav {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-bg-panel);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    z-index: 1000;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}
#site-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

#site-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    background: var(--color-bg-panel);
}
#site-nav li {
    margin: 0.5rem;
}
#site-nav a {
    display: block;
    padding: 0.75rem 5rem;
    text-align: justify;
    font-size: 1.5rem;
    color: var(--color-text-light);
}
#site-nav a.active {
    border-bottom: 2px solid var(--color-accent);
}

/* Brightness slider stays on top too */
.brightness-control {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-family: "Montserrat", sans-serif;
    z-index: 1001;
}
.brightness-control input[type="range"] {
    width: 100px;
}