:root {
    --tnt-nav-shell-top-padding: 1rem;
    --tnt-nav-shell-side-padding: 1rem;
    --tnt-nav-max-width: 1400px;
    --tnt-nav-height: 88px;
    --tnt-nav-mobile-height: 64px;

    --tnt-nav-bg-start: rgba(10, 7, 3, 0.99);
    --tnt-nav-bg-end: rgba(2, 1, 0, 1);
    --tnt-nav-blur: 20px;
    --tnt-nav-shadow-color: rgba(0, 0, 0, 0.95);
    --tnt-nav-border-top-color: rgba(255, 255, 255, 0.06);
    --tnt-nav-border-bottom-width: 2px;

    --tnt-nav-accent: var(--tnt-gold);
    --tnt-nav-accent-light: var(--tnt-gold-light);
    --tnt-nav-accent-dim: var(--tnt-gold-dim);
    --tnt-nav-accent-faint: var(--tnt-gold-faint);

    --tnt-nav-link-color: var(--tnt-nav-inactive, rgba(230, 210, 165, 0.82));
    --tnt-nav-link-hover-color: var(--tnt-nav-accent-light);
    --tnt-nav-font-size: 0.9375rem;
    --tnt-nav-mobile-font-size: 2rem;
    --tnt-nav-font-weight: 700;
    --tnt-nav-letter-spacing: 0.12em;
    --tnt-nav-gap: 2.5rem;
    --tnt-nav-separator-opacity: 1;
    --tnt-nav-underline-height: 1px;

    --tnt-nav-logo-frame-width: 172px;
    --tnt-nav-logo-frame-height: 102px;
    --tnt-nav-logo-max-width: 164px;
    --tnt-nav-logo-max-height: 94px;
    --tnt-nav-logo-frame-start: var(--tnt-nav-accent-light);
    --tnt-nav-logo-frame-end: var(--tnt-nav-accent);
    --tnt-nav-logo-inner-start: #0c0906;
    --tnt-nav-logo-inner-end: #050402;
    --tnt-nav-logo-glow-opacity: 1;

    --tnt-nav-mobile-overlay-start: rgba(6, 4, 2, 0.92);
    --tnt-nav-mobile-overlay-end: rgba(6, 4, 2, 0.92);
    --tnt-nav-mobile-overlay-blur: 24px;
    --tnt-nav-mobile-link-color: #ffffff;
    --tnt-nav-mobile-link-hover-color: var(--tnt-nav-accent);
    --tnt-nav-mobile-icon-color: #ffffff;
    --tnt-nav-mobile-icon-hover-color: var(--tnt-nav-accent);

    --tnt-nav-progress-display: block;
    --tnt-nav-progress-height: 3px;
    --tnt-nav-progress-start: var(--tnt-nav-accent-dim);
    --tnt-nav-progress-mid: var(--tnt-nav-accent);
    --tnt-nav-progress-end: var(--tnt-nav-accent-light);

    --tnt-nav-corner-opacity: 0.9;
    --tnt-nav-corner-size: 18px;
    --tnt-nav-corner-inset: 10px;
}

#smart-nav {
    padding-top: var(--tnt-nav-shell-top-padding) !important;
    padding-left: var(--tnt-nav-shell-side-padding) !important;
    padding-right: var(--tnt-nav-shell-side-padding) !important;
}

#reading-progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    display: var(--tnt-nav-progress-display);
    width: 0;
    height: var(--tnt-nav-progress-height);
    z-index: 9999;
    pointer-events: none;
    background: linear-gradient(90deg, var(--tnt-nav-progress-start), var(--tnt-nav-progress-mid), var(--tnt-nav-progress-end));
    box-shadow: 0 0 10px var(--tnt-nav-progress-mid), 0 0 22px var(--tnt-nav-progress-start);
    transition: width 0.1s ease-out;
}

.hud-container {
    position: relative;
    width: 100%;
    max-width: min(var(--tnt-nav-max-width), 100%);
    margin: 0 auto;
    min-height: var(--tnt-nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(180deg, var(--tnt-nav-bg-start) 0%, var(--tnt-nav-bg-end) 100%);
    backdrop-filter: blur(var(--tnt-nav-blur)) saturate(1.2);
    -webkit-backdrop-filter: blur(var(--tnt-nav-blur)) saturate(1.2);
    border-top: 1px solid var(--tnt-nav-border-top-color);
    border-bottom: var(--tnt-nav-border-bottom-width) solid var(--tnt-nav-accent);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        inset 0 -1px 0 var(--tnt-nav-accent-faint),
        0 14px 40px -8px var(--tnt-nav-shadow-color);
}

.hud-container::before,
.hud-container::after {
    content: "";
    position: absolute;
    top: var(--tnt-nav-corner-inset);
    width: var(--tnt-nav-corner-size);
    height: var(--tnt-nav-corner-size);
    border-style: solid;
    border-color: var(--tnt-nav-accent-dim);
    pointer-events: none;
    z-index: 1;
    transition: border-color 0.35s ease, opacity 0.35s ease;
    opacity: var(--tnt-nav-corner-opacity);
}

.hud-container::before {
    left: 12px;
    border-width: 1px 0 0 1px;
}

.hud-container::after {
    right: 12px;
    border-width: 1px 1px 0 0;
}

.hud-container:hover::before,
.hud-container:hover::after {
    border-color: var(--tnt-nav-accent);
}

.tnt-nav-side {
    flex: 1;
    align-items: center;
    min-height: var(--tnt-nav-height);
}

.tnt-nav-side-left {
    justify-content: flex-end;
    padding-right: calc((var(--tnt-nav-logo-frame-width) / 2) + 2rem);
}

.tnt-nav-side-right {
    justify-content: flex-start;
    padding-left: calc((var(--tnt-nav-logo-frame-width) / 2) + 2rem);
}

.tnt-nav-menu {
    display: flex;
    align-items: center;
    gap: var(--tnt-nav-gap);
    height: 100%;
}

.hud-logo-outer {
    position: absolute;
    left: 50%;
    top: -1px;
    transform: translateX(-50%);
    width: var(--tnt-nav-logo-frame-width);
    height: var(--tnt-nav-logo-frame-height);
    z-index: 60;
    clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%);
    background: linear-gradient(175deg, var(--tnt-nav-logo-frame-start) 0%, var(--tnt-nav-logo-frame-end) 100%);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 1px;
    animation: tnt-nav-logo-breath 4s ease-in-out infinite;
}

.hud-logo-outer:hover {
    animation-play-state: paused;
    filter: drop-shadow(0 0 calc(22px * var(--tnt-nav-logo-glow-opacity)) var(--tnt-nav-accent));
}

.hud-logo-inner {
    width: calc(var(--tnt-nav-logo-frame-width) - 2px);
    height: calc(var(--tnt-nav-logo-frame-height) - 2px);
    clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%);
    background: linear-gradient(180deg, var(--tnt-nav-logo-inner-start) 0%, var(--tnt-nav-logo-inner-end) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        inset 0 8px 28px rgba(0, 0, 0, 0.9),
        inset 0 -4px 12px var(--tnt-nav-accent-faint);
}

.tnt-nav-logo-link {
    display: block;
}

.tnt-nav-logo-image {
    max-width: var(--tnt-nav-logo-max-width);
    max-height: var(--tnt-nav-logo-max-height);
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 calc(15px * var(--tnt-nav-logo-glow-opacity)) var(--tnt-nav-accent-dim));
}

.tnt-nav-logo-link:hover .tnt-nav-logo-image {
    filter: drop-shadow(0 0 calc(30px * var(--tnt-nav-logo-glow-opacity)) var(--tnt-nav-accent));
}

@keyframes tnt-nav-logo-breath {
    0%, 100% {
        filter: drop-shadow(0 0 calc(8px * var(--tnt-nav-logo-glow-opacity)) var(--tnt-nav-accent-dim));
    }
    50% {
        filter: drop-shadow(0 0 calc(20px * var(--tnt-nav-logo-glow-opacity)) var(--tnt-nav-accent));
    }
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 100%;
    padding: 0.5rem 0;
    color: var(--tnt-nav-link-color);
    font-family: "Beleren", "Cinzel", serif;
    font-size: var(--tnt-nav-font-size);
    font-weight: var(--tnt-nav-font-weight);
    letter-spacing: var(--tnt-nav-letter-spacing);
    text-transform: uppercase;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.nav-link:hover {
    color: var(--tnt-nav-link-hover-color);
    text-shadow: 0 0 18px var(--tnt-nav-accent-dim);
}

.nav-link + .nav-link::before {
    content: "";
    position: absolute;
    left: calc(var(--tnt-nav-gap) * -0.5);
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--tnt-nav-accent-dim);
    transform: translate(-50%, -50%) rotate(45deg);
    opacity: var(--tnt-nav-separator-opacity);
    transition: background 0.3s ease, opacity 0.3s ease;
}

.hud-container:hover .nav-link + .nav-link::before {
    background: var(--tnt-nav-accent);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0.25rem;
    width: 0;
    height: var(--tnt-nav-underline-height);
    background: linear-gradient(90deg, transparent, var(--tnt-nav-accent-light), transparent);
    box-shadow: 0 0 10px var(--tnt-nav-accent);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 50%;
}

.tnt-mobile-menu-toggle {
    color: var(--tnt-nav-mobile-icon-color);
}

.tnt-mobile-menu-toggle:hover {
    color: var(--tnt-nav-mobile-icon-hover-color);
}

#mobile-menu-overlay {
    background: linear-gradient(180deg, var(--tnt-nav-mobile-overlay-start) 0%, var(--tnt-nav-mobile-overlay-end) 100%);
    backdrop-filter: blur(var(--tnt-nav-mobile-overlay-blur)) saturate(1.25);
    -webkit-backdrop-filter: blur(var(--tnt-nav-mobile-overlay-blur)) saturate(1.25);
}

#mobile-menu-overlay::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 120px;
    background: radial-gradient(ellipse at top, var(--tnt-nav-accent-faint) 0%, transparent 70%);
    pointer-events: none;
}

#mobile-menu-overlay nav {
    width: min(100%, 32rem);
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.75rem;
}

#mobile-menu-overlay nav > * {
    list-style: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

#mobile-menu-overlay.menu-open nav > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.05s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.12s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.19s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.26s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.33s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.40s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(7) { opacity: 1; transform: none; transition-delay: 0.47s; }
#mobile-menu-overlay.menu-open nav > *:nth-child(8) { opacity: 1; transform: none; transition-delay: 0.54s; }

#mobile-menu-overlay nav li {
    list-style: none;
}

#mobile-menu-overlay nav a {
    text-decoration: none;
}

.tnt-mobile-menu-link {
    display: block;
    color: var(--tnt-nav-mobile-link-color);
    font-family: "Beleren", "Cinzel", serif;
    font-size: var(--tnt-nav-mobile-font-size);
    line-height: 1.1;
    letter-spacing: var(--tnt-nav-letter-spacing);
    text-transform: uppercase;
    transition: color 0.3s ease, transform 0.3s ease;
}

#mobile-menu-overlay nav a:hover .tnt-mobile-menu-link,
.tnt-mobile-menu-link:hover {
    color: var(--tnt-nav-mobile-link-hover-color);
    transform: translateY(-1px);
}

.tnt-mobile-menu-close {
    color: var(--tnt-nav-mobile-icon-color);
    opacity: 0.7;
}

.tnt-mobile-menu-close:hover {
    color: var(--tnt-nav-mobile-icon-hover-color);
    opacity: 1;
}

@media (max-width: 768px) {
    .hud-container {
        min-height: var(--tnt-nav-mobile-height);
        padding: 0 1rem;
        border-radius: 0 0 1rem 1rem;
        overflow: hidden;
    }

    .tnt-nav-side {
        display: none !important;
    }

    .hud-logo-outer {
        position: relative;
        left: auto;
        top: auto;
        transform: none;
        width: auto;
        height: 100%;
        clip-path: none;
        background: transparent;
        animation: none;
        margin: 0 auto;
    }

    .hud-logo-inner {
        width: auto;
        height: 100%;
        clip-path: none;
        background: transparent;
        box-shadow: none;
    }

    .tnt-nav-logo-image {
        max-width: min(var(--tnt-nav-logo-max-width), 120px);
        max-height: calc(var(--tnt-nav-mobile-height) - 16px);
        filter: none;
    }
}