/* ═══════════════════════════════════════════════════════════
   nav.css
   Fixed Comic-Style Navigation Bar
═══════════════════════════════════════════════════════════ */

.comic-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 17, 24, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 3px solid var(--c-border-dark);
    z-index: 9999;
    box-shadow: 0 4px 0 var(--c-magenta);
    transition: transform 0.3s var(--ease-pop);
    overflow: visible; /* allow logo to overflow the bar */
}

.comic-nav.hidden {
    transform: translateY(-120%);
}

.nav__container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--sp-lg);
    height: 64px;           /* fixed bar height — logo can overflow */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.nav__logo-img {
    height: 140px;
    width: auto;
    display: block;
    transition: opacity 0.2s;
    transform: translateY(5px);
}

.nav__logo:hover .nav__logo-img {
    opacity: 0.8;
}

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

.nav__link {
    font-family: var(--ff-display);
    font-size: 1.1rem;
    color: var(--c-text);
    text-decoration: none;
    text-transform: uppercase;
    position: relative;
    padding: 2px 6px;
    transition: color 0.2s, background 0.2s;
}

.nav__link:hover {
    color: var(--c-bg);
    background: var(--c-yellow);
    border: 2px solid var(--c-border-dark);
    transform: skew(-5deg);
    display: inline-block;
}

/* Specific nav button style */
.btn--nav {
    color: var(--c-bg);
    background: var(--c-cyan);
    border: 3px solid var(--c-border-dark);
    font-family: var(--ff-display);
    padding: 0.4rem 1rem;
    font-size: 1.1rem;
    text-transform: uppercase;
    box-shadow: 3px 3px 0 var(--c-red);
    text-decoration: none;
    transition: transform 0.2s var(--ease-pop), box-shadow 0.2s;
    transform: rotate(2deg);
}

.btn--nav:hover {
    transform: translate(-2px, -2px) rotate(2deg);
    box-shadow: 5px 5px 0 var(--c-red);
    color: var(--c-bg);
}

/* ── Hamburger button ── */
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none; /* Removed border */
    cursor: pointer;
    padding: 6px;
    z-index: 10001;
    flex-shrink: 0;
}

.nav__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--c-cyan);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
}

/* X state when open */
.nav__hamburger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.is-open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}
.nav__hamburger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile drawer ── */
.nav__drawer {
    position: fixed;
    top: 64px; /* matches nav height */
    right: 0;
    width: min(300px, 85vw);
    height: calc(100dvh - 64px);
    background: rgba(10, 12, 22, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 3px solid var(--c-cyan);
    box-shadow: -4px 0 30px rgba(0,240,255,0.18);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    padding: var(--sp-xl) var(--sp-lg);
    gap: var(--sp-sm);
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.nav__drawer.is-open {
    transform: translateX(0);
}

.nav__drawer-link {
    font-family: var(--ff-display);
    font-size: 1.3rem;
    color: var(--c-text);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.8rem 0.5rem;
    border-bottom: 1px solid rgba(0,240,255,0.1);
    transition: color 0.2s, padding-left 0.2s;
    display: block;
}

.nav__drawer-link:hover,
.nav__drawer-link:focus {
    color: var(--c-cyan);
    padding-left: 1rem;
}

.nav__drawer .btn--nav {
    margin-top: var(--sp-md);
    text-align: center;
    display: block;
    padding: 0.8rem 1rem;
    font-size: 1.1rem;
    transform: none;
}

/* ── Overlay backdrop ── */
.nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9999;
    opacity: 0;
    pointer-events: none; /* Prevent blocking clicks when invisible */
    transition: opacity 0.3s ease;
}

.nav__overlay.is-open {
    opacity: 1;
    pointer-events: auto; /* Enable clicks when visible */
}

@media (max-width: 900px) {
    .nav__links {
        display: none;
    }

    .nav__container > .btn--nav {
        display: none; /* Hide desktop register button */
    }

    .nav__hamburger {
        display: flex;
    }

    .nav__overlay {
        display: block;
    }
}