/**
 * Ottmegastore.in - Responsive Navigation Styles
 * Version: 1.1
 * Optimized for Chrome 136+, iOS 15+, Android 13+, and all modern browsers
 */

/* CSS Variables for consistent theming */
:root {
    --primary-color: #4f46e5;
    --primary-dark: #3730a3;
    --secondary-color: #f59e0b;
    --text-color: #333333;
    --menu-bg: #ffffff;
    --menu-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --menu-border-radius: 16px;
    --menu-padding: 20px;
    --menu-item-spacing: 12px;
    --menu-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 80px;
}

/* Mobile Menu Styles */
.mobile-menu-btn {
    font-size: 1.25rem;
    cursor: pointer;
    -webkit-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: var(--primary-color, #4f46e5);
    color: white;
    display: none;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    will-change: transform, background-color;
    -webkit-tap-highlight-color: transparent;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
    -webkit-box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
            box-shadow: 0 4px 10px rgba(79, 70, 229, 0.3);
    position: relative;
    z-index: 1000;
}

.mobile-menu-btn:hover {
    background-color: var(--primary-dark, #3730a3);
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
    -webkit-box-shadow: 0 6px 15px rgba(79, 70, 229, 0.4);
            box-shadow: 0 6px 15px rgba(79, 70, 229, 0.4);
}

.mobile-menu-btn i {
    -webkit-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    font-size: 1.25rem;
    display: block;
    line-height: 1;
}

.mobile-menu-btn.active i {
    -webkit-transform: rotate(180deg);
            transform: rotate(180deg);
}

/* Navigation Menu */
.nav-menu {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
}

.nav-menu li {
    margin-left: 1.5rem;
    position: relative;
}

.nav-menu a {
    color: var(--text-color, #333);
    font-weight: 500;
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
    -webkit-tap-highlight-color: transparent;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary-color, #4f46e5);
}

.nav-menu a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color, #4f46e5);
    bottom: 0;
    left: 0;
    -webkit-transition: width 0.3s ease;
    transition: width 0.3s ease;
    will-change: width;
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
}

.nav-menu a:hover:after, .nav-menu a.active:after {
    width: 100%;
}

.cart-icon {
    position: relative;
    display: inline-block;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--secondary-color, #f59e0b);
    color: white;
    font-size: 0.7rem;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    opacity: 0;
    -webkit-transform: scale(0.8);
            transform: scale(0.8);
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
    will-change: opacity, transform;
}

.cart-count.active {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
}

/* Media Queries for Responsive Design */
@media (max-width: 992px) {
    .nav-menu li {
        margin-left: 1rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: -webkit-box !important;
        display: -ms-flexbox !important;
        display: flex !important;
        position: relative;
        z-index: 1000;
        margin-left: auto;
        margin-right: 0;
        float: right;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        margin: 0 auto;
        -webkit-transform: translateY(20px);
                transform: translateY(20px);
        width: 100%;
        max-width: 100%;
        height: 100vh;
        max-height: 100vh;
        background-color: var(--menu-bg);
        -webkit-box-shadow: none;
                box-shadow: none;
        z-index: 999;
        -webkit-transition: all var(--menu-transition);
        transition: all var(--menu-transition);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
        padding: var(--menu-padding);
        border-radius: 0;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-orient: vertical;
        -webkit-box-direction: normal;
            -ms-flex-direction: column;
                flex-direction: column;
        -webkit-box-align: center;
            -ms-flex-align: center;
                align-items: center;
        text-align: center;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
        /* Safe area insets for notched phones */
        padding-left: max(var(--menu-padding), env(safe-area-inset-left));
        padding-right: max(var(--menu-padding), env(safe-area-inset-right));
        padding-bottom: max(var(--menu-padding), env(safe-area-inset-bottom));
        padding-top: max(calc(var(--header-height) + var(--menu-padding)), env(safe-area-inset-top));
    }
    
    .nav-menu li {
        margin: var(--menu-item-spacing) 0;
        opacity: 0;
        -webkit-transform: translateY(10px);
                transform: translateY(10px);
        -webkit-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        -webkit-transition-delay: calc(0.05s * var(--i));
                transition-delay: calc(0.05s * var(--i));
        width: 100%;
        text-align: center;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: center;
            -ms-flex-pack: center;
                justify-content: center;
    }
    
    .nav-menu li a {
        font-size: 1.1rem;
        padding: 15px;
        display: inline-block;
        border-radius: 10px;
        -webkit-transition: all 0.2s ease;
        transition: all 0.2s ease;
        font-weight: 500;
        text-align: center;
        min-width: 200px;
    }
    
    .nav-menu li a:hover,
    .nav-menu li a.active {
        background-color: rgba(79, 70, 229, 0.1);
        color: var(--primary-color, #4f46e5);
    }
    
    .nav-menu li a i {
        margin-right: 8px;
        font-size: 0.9em;
    }
    
    .cart-icon {
        font-size: 1.2rem;
    }
    
    .cart-count {
        top: -5px;
        right: -5px;
    }
}

@media (max-width: 576px) {
    .nav-menu {
        width: 90%;
        padding: 1.5rem;
    }
    
    .logo {
        font-size: 1.5rem;
    }
}

/* Animation for mobile menu */
@-webkit-keyframes slideIn {
    from {
        opacity: 0;
        -webkit-transform: translateY(10px);
                transform: translateY(10px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        -webkit-transform: translateY(10px);
                transform: translateY(10px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
                transform: translateY(0);
    }
}

@media (min-width: 769px) {
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
}

@media (max-width: 768px) {
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        -webkit-transform: none;
                transform: none;
    }
}

@media (max-width: 768px) {
    .nav-menu.active li {
        -webkit-animation: slideIn 0.3s forwards;
                animation: slideIn 0.3s forwards;
        -webkit-animation-delay: calc(0.1s * var(--i));
                animation-delay: calc(0.1s * var(--i));
        opacity: 0;
        will-change: opacity, transform;
        -webkit-backface-visibility: hidden;
                backface-visibility: hidden;
    }
}

/* Add animation delay for each menu item (mobile only) */
@media (max-width: 768px) {
    .nav-menu li:nth-child(1) { --i: 1; }
    .nav-menu li:nth-child(2) { --i: 2; }
    .nav-menu li:nth-child(3) { --i: 3; }
    .nav-menu li:nth-child(4) { --i: 4; }
    .nav-menu li:nth-child(5) { --i: 5; }
    .nav-menu li:nth-child(6) { --i: 6; }
    .nav-menu li:nth-child(7) { --i: 7; }
    .nav-menu li:nth-child(8) { --i: 8; }
    .nav-menu li:nth-child(9) { --i: 9; }
    .nav-menu li:nth-child(10) { --i: 10; }
}

/* Additional media queries for better responsiveness */
@media (max-width: 480px) {
    .mobile-menu-btn {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .nav-menu {
        width: 100%;
        padding: 15px;
    }
    
    .nav-menu li a {
        min-width: 180px;
        padding: 12px;
        font-size: 1rem;
    }
    
    .nav-menu li {
        margin: 8px 0;
    }
}

/* iPhone X and newer notched devices */
@media (max-width: 768px) {
    /* Standard padding for all devices */
    .nav-menu {
        padding-top: var(--header-height);
        padding-bottom: 130px;
    }
    
    /* Enhanced padding for notched devices */
    @supports (padding: max(0px)) {
        .nav-menu {
            padding-top: max(calc(var(--header-height) + 0px), env(safe-area-inset-top));
            padding-bottom: max(130px, env(safe-area-inset-bottom));
        }
    }
}

/* Fix for Chrome 136+ and Android 13+ */
@media (max-width: 768px) and (-webkit-min-device-pixel-ratio: 0) {
    .mobile-menu-btn,
    .nav-menu li a {
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
    }
    
    .nav-menu {
        overscroll-behavior: contain;
    }
}