/* ============================================================================
 * ORCRIST HAMBURGER MENU STYLES
 * Apple/Teenage Engineering-Inspired Full Navigation Menu
 * ============================================================================
 *
 * Features:
 * - Glass morphism backdrop blur
 * - Smooth slide-in animations (Apple-quality easing) - LEFT SIDE
 * - Single-layer nested navigation structure
 * - Orange accent colors for active states
 * - Mobile-responsive design
 * - Dune Rise font for headers
 * - Hover states with subtle lift/glow effects
 * - Professional SVG icons (Feather Icons style)
 *
 * ============================================================================ */

/* ========== OVERLAY & BACKDROP ========== */
.hamburger-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99999;

    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    /* Backdrop blur with glass morphism */
    background: rgba(45, 55, 72, 0.75);
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);

    /* Smooth opacity transition - works both in and out */
    transition: opacity 0.3s ease,
                visibility 0s linear 0.3s;
    will-change: opacity;
}

.hamburger-menu-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
}

/* ========== MENU PANEL ========== */
.hamburger-menu-panel {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 100%;
    max-width: 480px;

    /* Glass morphism background */
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);

    /* Subtle shadow */
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.1),
                8px 0 48px rgba(0, 0, 0, 0.05);

    /* Slide-in animation */
    transform: translateX(-100%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);

    /* Scrollable content */
    overflow-y: auto;
    overflow-x: hidden;

    /* Smooth scrolling */
    -webkit-overflow-scrolling: touch;
}

.hamburger-menu-overlay.active .hamburger-menu-panel {
    transform: translateX(0);
}

/* Custom scrollbar */
.hamburger-menu-panel::-webkit-scrollbar {
    width: 8px;
}

.hamburger-menu-panel::-webkit-scrollbar-track {
    background: rgba(44, 74, 98, 0.05);
}

.hamburger-menu-panel::-webkit-scrollbar-thumb {
    background: rgba(255, 107, 53, 0.3);
    border-radius: 4px;
}

.hamburger-menu-panel::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 107, 53, 0.5);
}

/* ========== CLOSE BUTTON ========== */
.hamburger-menu-close {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 44px;
    height: 44px;
    z-index: 10;

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgba(255, 107, 53, 0.1);
    border: none;
    border-radius: 12px;
    color: var(--orcrist-navy, #2C4A62);
    cursor: pointer;

    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hamburger-menu-close:hover {
    background: rgba(255, 107, 53, 0.2);
    color: var(--orcrist-orange, #FF6B35);
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.hamburger-menu-close:active {
    transform: rotate(90deg) scale(0.95);
}

/* ========== MENU CONTENT ========== */
.hamburger-menu-content {
    padding: 80px 40px 40px; /* Top padding for close button clearance */
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

/* ========== BRAND HEADER ========== */
.hamburger-menu-header {
    /* Hidden by default */
    opacity: 0;
    visibility: hidden;
    height: 0;
    overflow: hidden;
    margin: 0;
    padding: 0;
    border: none;
}

.hamburger-menu-logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.hamburger-logo-icon {
    width: 48px;
    height: 48px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Target circles - same as sticky nav but larger */
.hamburger-target-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--orcrist-navy, #2C4A62);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease;
}

.hamburger-target-circle:nth-child(1) {
    width: 10px;
    height: 10px;
    background: var(--orcrist-orange, #FF6B35);
    border-width: 2px;
}
.hamburger-target-circle:nth-child(2) { width: 18px; height: 18px; border-width: 2px; }
.hamburger-target-circle:nth-child(3) { width: 30px; height: 30px; border-width: 2px; }
.hamburger-target-circle:nth-child(4) { width: 42px; height: 42px; border-width: 2px; }

/* Frame corners */
.hamburger-frame-corner {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 2px solid var(--orcrist-orange, #FF6B35);
    transition: transform 0.3s ease;
}

.hamburger-frame-corner.tl { top: -3px; left: -3px; border-right: none; border-bottom: none; }
.hamburger-frame-corner.tr { top: -3px; right: -3px; border-left: none; border-bottom: none; }
.hamburger-frame-corner.bl { bottom: -3px; left: -3px; border-right: none; border-top: none; }
.hamburger-frame-corner.br { bottom: -3px; right: -3px; border-left: none; border-top: none; }

.hamburger-menu-brand {
    font-family: 'Dune Rise', sans-serif;
    font-size: 32px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--orcrist-orange, #FF6B35);
    font-weight: normal;
}

.hamburger-menu-tagline {
    font-family: 'Dune Rise', sans-serif;
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--orcrist-storm, #4A5F7A);
    margin: 0;
    padding-left: 64px;
}

/* ========== NAVIGATION MENU ========== */
.hamburger-menu-nav {
    list-style: none;
    margin: 0;
    margin-top: 40px;
    padding: 0;
    flex: 1;
}

.hamburger-menu-item {
    margin-bottom: 4px;
}

/* ========== MENU LINKS ========== */
.hamburger-menu-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: 12px;

    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    font-size: 18px;
    font-weight: 500;
    color: var(--orcrist-charcoal, #2D3748);
    text-decoration: none;

    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    cursor: pointer;

    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.hamburger-menu-link:hover {
    background: rgba(255, 107, 53, 0.08);
    color: var(--orcrist-orange, #FF6B35);
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.1);
}

.hamburger-menu-link:active {
    transform: translateX(4px) scale(0.98);
}

/* Active state */
.hamburger-menu-link.active {
    background: rgba(255, 107, 53, 0.12);
    color: var(--orcrist-orange, #FF6B35);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.15);
}

/* ========== MENU ICONS ========== */
.hamburger-menu-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 8px;
    background: rgba(44, 74, 98, 0.05);
    transition: all 0.3s ease;
}

.hamburger-menu-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.hamburger-menu-link:hover .hamburger-menu-icon {
    background: rgba(255, 107, 53, 0.15);
    transform: scale(1.1);
}

/* ========== MENU TEXT ========== */
.hamburger-menu-text {
    flex: 1;
}

/* ========== TOGGLE ARROW ========== */
.hamburger-menu-arrow {
    width: 16px;
    height: 16px;
    color: var(--orcrist-storm, #4A5F7A);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hamburger-menu-toggle[aria-expanded="true"] .hamburger-menu-arrow {
    transform: rotate(180deg);
    color: var(--orcrist-orange, #FF6B35);
}

/* ========== SUBMENU ========== */
.hamburger-submenu {
    list-style: none;
    margin: 4px 0 0 0;
    padding: 0;
    padding-left: 48px;

    max-height: 0;
    opacity: 0;
    overflow: hidden;

    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s ease,
                margin 0.3s ease;
}

.hamburger-menu-item--nested .hamburger-menu-toggle[aria-expanded="true"] + .hamburger-submenu {
    max-height: 500px;
    opacity: 1;
    margin-top: 8px;
}

.hamburger-submenu li {
    margin-bottom: 4px;
}

.hamburger-submenu-link {
    display: block;
    padding: 12px 16px;
    border-radius: 8px;

    font-size: 16px;
    font-weight: 400;
    color: var(--orcrist-storm, #4A5F7A);
    text-decoration: none;

    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.hamburger-submenu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--orcrist-orange, #FF6B35);
    border-radius: 2px;
    transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.hamburger-submenu-link:hover {
    background: rgba(255, 107, 53, 0.08);
    color: var(--orcrist-orange, #FF6B35);
    transform: translateX(4px);
}

.hamburger-submenu-link:hover::before {
    height: 20px;
}

.hamburger-submenu-link.active {
    background: rgba(255, 107, 53, 0.12);
    color: var(--orcrist-orange, #FF6B35);
    font-weight: 600;
}

.hamburger-submenu-link.active::before {
    height: 20px;
}

/* ========== CTA BUTTON ========== */
.hamburger-menu-item--cta {
    margin-top: 24px;
    padding-top: 24px;
}

.hamburger-menu-link--cta {
    background: linear-gradient(135deg, var(--orcrist-orange, #FF6B35) 0%, #FF8554 100%);
    color: white !important;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.hamburger-menu-link--cta:hover {
    background: linear-gradient(135deg, #FF8554 0%, var(--orcrist-orange, #FF6B35) 100%);
    transform: translateX(0) translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

.hamburger-menu-link--cta:active {
    transform: translateY(0);
}

.hamburger-menu-link--cta .hamburger-menu-icon {
    background: rgba(255, 255, 255, 0.2);
}

/* ========== FOOTER ========== */
.hamburger-menu-footer {
    margin-top: auto;
    padding-top: 32px;
    text-align: center;
}

.hamburger-menu-footer-text {
    font-size: 14px;
    color: var(--orcrist-storm, #4A5F7A);
    margin: 0 0 8px 0;
    font-weight: 500;
}

.hamburger-menu-footer-copyright {
    font-size: 12px;
    color: var(--orcrist-storm, #4A5F7A);
    margin: 0;
    opacity: 0.6;
}

/* ========== RESPONSIVE DESIGN ========== */

/* Desktop */
@media (min-width: 1024px) {
    .hamburger-menu-panel {
        max-width: 520px;
    }

    .hamburger-menu-content {
        padding: 100px 60px 60px;
    }

    .hamburger-menu-link {
        font-size: 20px;
        padding: 18px 24px;
    }

    .hamburger-submenu-link {
        font-size: 17px;
    }
}

/* Tablet */
@media (max-width: 768px) {
    .hamburger-menu-panel {
        max-width: 100%;
        width: 100%;
    }

    /* NUCLEAR FIX: Completely remove menu from DOM when not active */
    .hamburger-menu-overlay:not(.active) {
        display: none !important;
    }

    /* Backup hiding rules in case display:none isn't applied */
    .hamburger-menu-overlay:not(.active) {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        z-index: -9999 !important;
    }

    .hamburger-menu-overlay:not(.active) .hamburger-menu-panel {
        transform: translateX(-100%) !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }

    /* Hide all menu items when not active */
    .hamburger-menu-overlay:not(.active) .hamburger-menu-item,
    .hamburger-menu-overlay:not(.active) .hamburger-menu-link,
    .hamburger-menu-overlay:not(.active) .hamburger-submenu-link,
    .hamburger-menu-overlay:not(.active) .hamburger-menu-header,
    .hamburger-menu-overlay:not(.active) .hamburger-menu-footer {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }

    .hamburger-menu-content {
        padding: 70px 32px 32px;
    }

    .hamburger-menu-brand {
        font-size: 28px;
    }

    .hamburger-menu-link {
        font-size: 17px;
        padding: 14px 16px;
    }

    .hamburger-submenu {
        padding-left: 40px;
    }

    .hamburger-submenu-link {
        font-size: 15px;
    }
}

/* Small mobile */
@media (max-width: 375px) {
    /* Hide menu when not active */
    .hamburger-menu-overlay:not(.active) {
        display: none !important;
    }

    /* Additional hiding rules for non-active state */
    .hamburger-menu-overlay:not(.active) {
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
        z-index: -9999 !important;
    }

    .hamburger-menu-overlay:not(.active) .hamburger-menu-panel {
        transform: translateX(-100%) !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }

    /* Hide menu content when not active */
    .hamburger-menu-overlay:not(.active) .hamburger-menu-item,
    .hamburger-menu-overlay:not(.active) .hamburger-menu-link,
    .hamburger-menu-overlay:not(.active) .hamburger-submenu-link,
    .hamburger-menu-overlay:not(.active) .hamburger-menu-header,
    .hamburger-menu-overlay:not(.active) .hamburger-menu-footer {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }

    .hamburger-menu-content {
        padding: 60px 24px 24px;
    }

    .hamburger-menu-brand {
        font-size: 24px;
    }

    .hamburger-menu-link {
        font-size: 16px;
        padding: 12px 14px;
        gap: 12px;
    }

    .hamburger-menu-icon {
        width: 28px;
        height: 28px;
    }

    .hamburger-menu-icon svg {
        width: 18px;
        height: 18px;
    }

    .hamburger-submenu {
        padding-left: 32px;
    }

    .hamburger-submenu-link {
        font-size: 14px;
        padding: 10px 12px;
    }
}

/* ========== ACCESSIBILITY ========== */

/* Focus states for keyboard navigation */
.hamburger-menu-close:focus-visible,
.hamburger-menu-link:focus-visible,
.hamburger-submenu-link:focus-visible {
    outline: 2px solid var(--orcrist-orange, #FF6B35);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .hamburger-menu-overlay,
    .hamburger-menu-panel,
    .hamburger-menu-link,
    .hamburger-submenu,
    .hamburger-menu-arrow,
    .hamburger-menu-close {
        transition: none;
    }

    .hamburger-menu-overlay {
        transition: opacity 0.1s ease;
    }

    .hamburger-menu-panel {
        transition: transform 0.2s ease;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hamburger-menu-panel {
        background: rgba(255, 255, 255, 1);
        border-right: 2px solid currentColor;
    }

    .hamburger-menu-link,
    .hamburger-submenu-link {
        border: 1px solid transparent;
    }

    .hamburger-menu-link:hover,
    .hamburger-submenu-link:hover {
        border-color: currentColor;
    }
}

/* ========== ANIMATIONS ========== */

/* Stagger animation for menu items */
.hamburger-menu-overlay.active .hamburger-menu-item {
    animation: slideInItem 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

@keyframes slideInItem {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Stagger delays */
.hamburger-menu-item:nth-child(1) { animation-delay: 0.05s; }
.hamburger-menu-item:nth-child(2) { animation-delay: 0.1s; }
.hamburger-menu-item:nth-child(3) { animation-delay: 0.15s; }
.hamburger-menu-item:nth-child(4) { animation-delay: 0.2s; }
.hamburger-menu-item:nth-child(5) { animation-delay: 0.25s; }
.hamburger-menu-item:nth-child(6) { animation-delay: 0.3s; }
.hamburger-menu-item:nth-child(7) { animation-delay: 0.35s; }
.hamburger-menu-item:nth-child(8) { animation-delay: 0.4s; }

/* ========== BROWSER COMPATIBILITY FALLBACKS ========== */

/* Fallback for browsers without backdrop-filter support */
@supports not (backdrop-filter: blur(30px)) {
    .hamburger-menu-overlay {
        background: rgba(45, 55, 72, 0.95);
    }

    .hamburger-menu-panel {
        background: rgba(255, 255, 255, 1);
    }
}

/* Safari-specific fixes */
@supports (-webkit-backdrop-filter: blur(30px)) {
    .hamburger-menu-overlay {
        -webkit-backdrop-filter: saturate(180%) blur(30px);
    }

    .hamburger-menu-panel {
        -webkit-backdrop-filter: blur(40px);
    }
}

/* ========== PERFORMANCE OPTIMIZATIONS ========== */

/* GPU acceleration for smooth animations */
.hamburger-menu-panel,
.hamburger-menu-link,
.hamburger-submenu {
    will-change: transform;
    transform: translateZ(0);
}

/* Remove will-change after animation completes */
.hamburger-menu-overlay.animation-complete .hamburger-menu-panel,
.hamburger-menu-overlay.animation-complete .hamburger-menu-link {
    will-change: auto;
}