:root {
    --nav-side: 156px;
    --nav-height-desktop: 72px;
    --nav-height-tablet: 64px;
    --nav-height-mobile: 60px;
    --nav-label-width: 72px;
    --nav-text-size: 12px;
    --nav-letter-spacing: 0.2em;
    --nav-link-gap: 24px;
}

body.nav-open {
    overflow: hidden;
}

body {
    padding-top: var(--nav-height-desktop);
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height-desktop);
    background: #000000;
    z-index: 60;
    display: grid;
    grid-template-columns: var(--nav-side) 1fr var(--nav-side);
    align-items: center;
    padding: 0 var(--hero-safe-x);
    box-sizing: border-box;
}

.topbar__side {
    display: flex;
    align-items: center;
}

.topbar__side--right {
    justify-content: flex-end;
}

.topbar__center {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topbar__logo {
    width: 120px;
    aspect-ratio: 3;
    object-fit: cover;
    display: block;
}

.nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: var(--nav-side);
    padding: 8px 0;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.82);
    font-size: var(--nav-text-size);
    letter-spacing: var(--nav-letter-spacing);
    text-transform: uppercase;
    cursor: pointer;
    transition: color 0.2s ease, text-shadow 0.2s ease, transform 0.2s ease;
    position: relative;
    z-index: 65;
}

.nav-toggle:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

.nav-toggle__icon {
    position: relative;
    width: 18px;
    height: 14px;
    flex-shrink: 0;
}

.line {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.2s ease;
}

.line-1 { top: 0; }
.line-2 { top: 6px; }
.line-3 { top: 12px; }

html[data-nav-open="true"] .line-1 {
    transform: translateY(6px) rotate(45deg);
}

html[data-nav-open="true"] .line-2 {
    opacity: 0;
}

html[data-nav-open="true"] .line-3 {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle__text {
    position: relative;
    width: var(--nav-label-width);
    height: 16px;
    display: inline-block;
    overflow: hidden;
    font-size: var(--nav-text-size);
    letter-spacing: var(--nav-letter-spacing);
    line-height: 1.3;
}

.nav-toggle__text .label {
    position: absolute;
    left: 0;
    top: 0;
    transition: opacity 0.2s ease;
}

.nav-toggle__text .label-menu {
    opacity: 1;
}

.nav-toggle__text .label-close {
    opacity: 0;
}

html[data-nav-open="true"] .nav-toggle__text .label-menu {
    opacity: 0;
}

html[data-nav-open="true"] .nav-toggle__text .label-close {
    opacity: 1;
}

.nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 40;
    pointer-events: none;
}

.nav-drawer {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: min(480px, 44vw);
    max-width: 320px;
    padding: 0;
    background: linear-gradient(90deg, #ffffff 0 320px, #f4f4f4 320px 640px);
    transform: translateX(-100%);
    transition: transform 0.35s ease, opacity 0.22s ease;
    box-sizing: border-box;
    z-index: 50;
    opacity: 0;
    pointer-events: none;
    display: flex;
    align-items: center;
}

html[data-nav-open="true"] .nav-drawer {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

html[data-nav-open="true"] .nav-backdrop {
    pointer-events: auto;
}

.nav-drawer__nav {
    display: flex;
    flex-direction: column;
    gap: var(--nav-link-gap);
    /* margin-top: 64px; */
    text-align: right;
    align-items: flex-end;
    width: 100%;

}

.nav-link {
    display: block;
    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-size: var(--nav-text-size);
    letter-spacing: var(--nav-letter-spacing);
    line-height: 1.3;
    padding-right: 4px;
    transition: color 0.18s ease, text-shadow 0.18s ease, transform 0.18s ease;
    text-transform: uppercase;
    border: none;
    background: none;
}

.nav-link:hover {
    color: #ffffff;
    text-shadow: 0 0 14px rgba(255, 255, 255, 0.35);
    transform: translateX(2px);
}

.nav-link.is-active {
    color: #ffffff;
    text-shadow: 0 0 18px rgba(255, 255, 255, 0.45);
}

@media (max-width: 980px) {
    :root {
        --nav-height-desktop: 68px;
    }

    .topbar {
        padding: 0 var(--hero-safe-x);
    }

    .nav-toggle {
        min-width: calc(var(--nav-side) - 8px);
    }

    .nav-drawer {
        width: min(420px, 50vw);
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height-desktop: 60px;
    }

    body {
        padding-top: var(--nav-height-tablet);
    }

    .topbar {
        height: var(--nav-height-tablet);
    }

    .nav-drawer {
        width: 100%;
        max-width: 100%;
    }

    .nav-drawer__nav {
        /* margin-top: 52px; */
        gap: 20px;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: var(--nav-height-mobile);
    }

    .topbar {
        height: var(--nav-height-mobile);
        padding: 0 var(--hero-safe-x-mobile);
    }

    .nav-drawer__nav {
        gap: 18px;
    }

    .nav-link {
        font-size: var(--nav-text-size);
    }
}

/* Glassmorphism drawer + panels */
#navDrawer {
    background: rgba(255, 255, 255, 0.32);
    backdrop-filter: blur(26px) saturate(1.5);
    -webkit-backdrop-filter: blur(26px) saturate(1.5);
    /* border: 1px solid rgba(255, 255, 255, 0.35); */
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

#navDrawer .nav-glass-panel {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(22px) saturate(1.6);
    -webkit-backdrop-filter: blur(22px) saturate(1.6);
    border-top: 1px solid rgba(255, 255, 255, 0.55);
    border-right: 1px solid rgba(255, 255, 255, 0.55);
    border-bottom: 1px solid rgba(255, 255, 255, 0.55);
    /* border-left: 1px solid rgba(255, 255, 255, 0.35); */
    box-shadow: 0 18px 55px rgba(0, 0, 0, 0.22);
    color: #000000;
    background-clip: padding-box;
}

#navDrawer .nav-glass-panel--primary {
    background: rgba(255, 255, 255, 0.76);
}

#navDrawer .nav-glass-panel--secondary {
    background: rgba(255, 255, 255, 0.64);
    border-left: 1px solid rgba(0, 0, 0, 0.06);
}

/* Remove solid bars behind nav text */
#navDrawer .nav-link {
    background: transparent !important;
    box-shadow: none !important;
    border: 0 !important;
    padding: 0 4px 0 0 !important;
    margin: 0 !important;
    width: auto !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: flex-end;
    text-decoration: none !important;
    color: #f4f4f4 !important;
    text-shadow: none !important;
    font-size: 14px;
}

#navDrawer button.nav-link {
    appearance: none;
    -webkit-appearance: none;
}

#navDrawer .nav-link:hover {
    text-decoration: underline;
    text-decoration-color: rgba(0, 0, 0, 0.35);
    text-underline-offset: 4px;
}