/* ==========================================================================
   NAVIGATION — Premium 2026 (floating capsule, progress, fullscreen mobile)
   ========================================================================== */

.nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    z-index: calc(var(--z-fixed) + 2);
    pointer-events: none;
    background: transparent;
}

.nav-progress-bar {
    display: block;
    width: 100%;
    height: 100%;
    transform: scaleX(0);
    transform-origin: left center;
    background: linear-gradient(90deg, #b8942e, var(--accent-color), #f4d03f, var(--accent-color));
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.45);
    will-change: transform;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    padding: 0 !important;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
}

.navbar.is-hidden {
    transform: translateY(calc(-100% - 12px));
    pointer-events: none;
}

.nav-shell {
    max-width: 1320px;
    margin: 0 auto;
    padding: max(0.75rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 0 max(1rem, env(safe-area-inset-left));
}

.navbar .nav-container {
    max-width: none;
    margin: 0;
    padding: 0.45rem 0.45rem 0.45rem 1rem;
    border-radius: 999px;
    border: 1px solid transparent;
    background: transparent;
    transition:
        background 0.45s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.45s ease,
        box-shadow 0.45s ease,
        padding 0.35s ease;
}

.navbar.is-at-top .nav-container {
    background: color-mix(in srgb, var(--bg-primary) 40%, transparent);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    border-color: color-mix(in srgb, var(--accent-color) 14%, transparent);
}

.navbar.is-scrolled .nav-container {
    padding: 0.35rem 0.35rem 0.35rem 0.85rem;
    background: color-mix(in srgb, var(--bg-primary) 78%, transparent);
    backdrop-filter: blur(22px) saturate(165%);
    -webkit-backdrop-filter: blur(22px) saturate(165%);
    border-color: color-mix(in srgb, var(--accent-color) 28%, transparent);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.08),
        0 0 0 1px color-mix(in srgb, var(--accent-color) 8%, transparent) inset;
}

html[data-theme="dark"] .navbar.is-scrolled .nav-container {
    background: color-mix(in srgb, #0a0a0a 82%, transparent);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(212, 175, 55, 0.06) inset;
}

/* Logo */
.navbar .nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 50%;
    font-family: var(--font-family-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--accent-color);
    border: 1px solid color-mix(in srgb, var(--accent-color) 45%, transparent);
    background: color-mix(in srgb, var(--accent-color) 8%, transparent);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.logo-mark.logo-mark--image {
    width: 2.65rem;
    height: 2.65rem;
    border-radius: 0.55rem;
    border: none;
    background: transparent;
    overflow: hidden;
    padding: 0;
}

.logo-mark--image picture,
.logo-mark--image .logo-image {
    display: block;
    width: 100%;
    height: 100%;
}

.logo-mark--image .logo-image {
    object-fit: contain;
    transition: transform 0.35s ease, filter 0.35s ease;
}

html[data-theme="light"] .logo-mark--image .logo-image {
    filter: brightness(0) opacity(0.9);
}

.nav-logo:hover .logo-mark--image .logo-image {
    transform: scale(1.06);
}

.nav-logo:hover .logo-mark:not(.logo-mark--image) {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.25);
}

.nav-logo:hover .logo-mark--image {
    transform: none;
    box-shadow: none;
}

.logo-wordmark {
    font-family: var(--font-family-heading);
    font-size: 1.05rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    white-space: nowrap;
}

@media (max-width: 1100px) {
    .logo-wordmark {
        display: none;
    }
}

/* Desktop menu + sliding indicator */
.nav-menu-wrap {
    position: relative;
    display: none;
    align-items: center;
    padding: 0.15rem;
}

.nav-indicator {
    position: absolute;
    top: 50%;
    left: 0;
    height: calc(100% - 4px);
    width: 0;
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent-color) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent-color) 30%, transparent);
    transform: translateY(-50%) translateX(0);
    opacity: 0;
    transition:
        transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
        width 0.4s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.25s ease;
    pointer-events: none;
    z-index: 0;
}

.nav-indicator.is-visible {
    opacity: 1;
}

.navbar .nav-menu {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.15rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.95rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-secondary);
    transition: color 0.25s ease;
    white-space: nowrap;
}

.navbar .nav-link::after {
    display: none;
}

.nav-link-num {
    font-family: var(--font-family-mono);
    font-size: 0.62rem;
    font-weight: 500;
    color: color-mix(in srgb, var(--accent-color) 70%, var(--text-secondary));
    opacity: 0.65;
    transition: opacity 0.25s ease, color 0.25s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus-visible {
    color: var(--text-primary);
}

.navbar .nav-link:hover .nav-link-num,
.navbar .nav-link.is-active .nav-link-num {
    opacity: 1;
    color: var(--accent-color);
}

.navbar .nav-link.is-active,
.navbar .nav-link[aria-current="page"] {
    color: var(--text-primary);
    font-weight: 600;
}

/* Controls */
.navbar .nav-controls {
    gap: 0.5rem;
}

.navbar .language-toggle,
.navbar .theme-toggle {
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-secondary) 80%, transparent);
    border-color: color-mix(in srgb, var(--border-color) 80%, transparent);
}

/* Animated hamburger */
.navbar .nav-toggle {
    display: none;
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--accent-color) 25%, var(--border-color));
    background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
    align-items: center;
    justify-content: center;
    padding: 0;
}

.nav-toggle-box {
    position: relative;
    width: 18px;
    height: 12px;
    display: block;
}

.nav-toggle-line {
    position: absolute;
    left: 0;
    right: 0;
    height: 1.5px;
    border-radius: 2px;
    background: var(--text-primary);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), top 0.35s ease, opacity 0.25s ease;
}

.nav-toggle-line:first-child { top: 0; }
.nav-toggle-line:last-child { top: 10px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-line:first-child {
    top: 5px;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:last-child {
    top: 5px;
    transform: rotate(-45deg);
}

/* Fullscreen mobile navigation */
.navbar .mobile-nav {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-fixed) + 10);
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    padding: 0 !important;
    background: transparent;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.navbar .mobile-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-nav-backdrop {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 0%, rgba(212, 175, 55, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 50% at 100% 100%, rgba(212, 175, 55, 0.06), transparent 50%),
        color-mix(in srgb, var(--bg-primary) 96%, #000);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

html[data-theme="dark"] .mobile-nav-backdrop {
    background:
        radial-gradient(ellipse 80% 60% at 20% 0%, rgba(212, 175, 55, 0.15), transparent 55%),
        radial-gradient(ellipse 60% 50% at 100% 100%, rgba(212, 175, 55, 0.08), transparent 50%),
        rgba(5, 5, 5, 0.97);
}

.navbar .mobile-nav-panel {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: none;
    height: 100%;
    margin: 0;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    padding:
        max(1.25rem, env(safe-area-inset-top))
        max(1.5rem, env(safe-area-inset-right))
        max(1.5rem, env(safe-area-inset-bottom))
        max(1.5rem, env(safe-area-inset-left));
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transform: none;
    opacity: 1;
}

.mobile-nav-header {
    position: absolute;
    top: max(1rem, env(safe-area-inset-top));
    left: max(1.5rem, env(safe-area-inset-left));
    right: max(1.5rem, env(safe-area-inset-right));
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    gap: 1rem;
}

.mobile-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    min-width: 0;
}

.mobile-nav-logo {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
    flex-shrink: 0;
}

html[data-theme="light"] .mobile-nav-logo {
    filter: brightness(0) opacity(0.9);
}

.mobile-nav-eyebrow {
    font-family: var(--font-family-mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin: 0;
}

.mobile-nav-close {
    width: var(--touch-target-min);
    height: var(--touch-target-min);
    border-radius: 999px;
    border: 1px solid color-mix(in srgb, var(--accent-color) 30%, transparent);
    background: color-mix(in srgb, var(--bg-primary) 60%, transparent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.mobile-nav-close:hover {
    transform: scale(1.06);
    border-color: var(--accent-color);
}

.mobile-nav-close-icon,
.mobile-nav-close-icon::before {
    display: block;
    width: 14px;
    height: 1.5px;
    background: var(--text-primary);
    border-radius: 2px;
}

.mobile-nav-close-icon {
    position: relative;
    transform: rotate(45deg);
}

.mobile-nav-close-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    transform: rotate(90deg);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
}

.navbar .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    min-height: var(--touch-target-min, 44px);
    border-radius: 0;
    background: transparent;
    text-decoration: none;
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 50%, transparent);
    opacity: 0;
    transform: translateY(16px);
    transition:
        opacity 0.45s ease,
        transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
        color 0.25s ease,
        border-color 0.25s ease;
    transition-delay: calc(var(--i, 0) * 55ms + 80ms);
}

.mobile-nav.is-open .mobile-nav-link {
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-num {
    font-family: var(--font-family-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-color);
    letter-spacing: 0.1em;
    flex-shrink: 0;
    width: 1.75rem;
}

.mobile-nav-label {
    font-family: var(--font-family-heading);
    font-size: clamp(2rem, 9vw, 3.25rem);
    font-weight: 500;
    line-height: 1.1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    transition: color 0.25s ease, transform 0.35s ease;
}

.navbar .mobile-nav-link:hover .mobile-nav-label,
.navbar .mobile-nav-link:focus-visible .mobile-nav-label {
    color: var(--accent-color);
    transform: translateX(6px);
}

.mobile-nav-tagline {
    text-align: center;
    font-family: var(--font-family-accent);
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-secondary);
    margin: 0;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.5s ease 0.35s, transform 0.5s ease 0.35s;
}

.mobile-nav-footer {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding-top: 0.5rem;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.5s ease 0.28s, transform 0.5s ease 0.28s;
}

.mobile-nav.is-open .mobile-nav-footer {
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-theme {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    min-height: var(--touch-target-min, 44px);
    min-width: min(100%, 16rem);
    padding: 0.65rem 1.25rem;
    border: 1px solid color-mix(in srgb, var(--accent-color) 28%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--bg-primary) 70%, transparent);
    color: var(--text-primary);
    font-family: var(--font-family-mono);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        border-color 0.25s ease,
        background 0.25s ease,
        transform 0.2s ease;
}

.mobile-nav-theme:hover {
    border-color: var(--accent-color);
    background: color-mix(in srgb, var(--accent-color) 10%, transparent);
}

.mobile-nav-theme:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 3px;
}

.mobile-nav-theme-icons {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.mobile-nav-theme-icons svg {
    width: 18px;
    height: 18px;
}

.mobile-nav.is-open .mobile-nav-tagline {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (min-width: 1025px) {
    .nav-menu-wrap {
        display: flex;
    }

    .navbar .nav-toggle {
        display: none !important;
    }
}

@media (max-width: 1024px) {
    .nav-menu-wrap {
        display: none !important;
    }

    .navbar .nav-toggle {
        display: inline-flex;
    }

    .navbar .language-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: var(--touch-target-min);
        padding: 0.35rem 0.6rem;
    }
}

@media (max-width: 768px) {
    .navbar .theme-toggle {
        display: none;
    }

    .mobile-nav-theme {
        display: inline-flex;
    }

    .logo-mark:not(.logo-mark--image) {
        width: 2.1rem;
        height: 2.1rem;
        font-size: 0.78rem;
    }

    .logo-mark.logo-mark--image {
        width: 2.35rem;
        height: 2.35rem;
    }
}

@media (min-width: 769px) {
    .mobile-nav-footer {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navbar,
    .nav-indicator,
    .nav-progress-bar,
    .mobile-nav-link,
    .mobile-nav-tagline {
        transition: none !important;
    }

    .mobile-nav-footer {
        transition: none !important;
        opacity: 1;
        transform: none;
    }

    .navbar.is-hidden {
        transform: none;
    }

    .navbar .mobile-nav-link {
        opacity: 1;
        transform: none;
    }
}