/* Tech-inspired base styles */
:root {
    --primary-color: #2563eb; /* More vibrant blue */
    --secondary-color: #7c3aed; /* Slightly softer purple */
    --dark-color: #f8fafc; /* Very light gray background */
    --light-color: #1e293b; /* Dark text for light background */
    --accent-color: #10b981; /* Fresh green for e-commerce */
    --text-color: #1e293b; /* Dark text for better readability */
    --light-bg: rgba(255, 255, 255, 0.9);
    --card-bg: rgba(255, 255, 255, 0.95);
    --nav-bg: rgba(255, 255, 255, 0.98);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--dark-color);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Language switcher styles */
#language-switcher {
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 5px 10px;
    border-radius: 4px;
    color: var(--text-color);
    transition: all 0.2s ease;
}

#language-switcher:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

/* Language transition effects */
body.translating {
    opacity: 0.9;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

body.translating * {
    transition: 
        opacity 0.3s ease,
        color 0.3s ease,
        background-color 0.3s ease;
    will-change: opacity, color, background-color;
}

/* Smooth layout transitions */
[data-i18n] {
    transition: opacity 0.3s ease;
}

/* Prevent layout shifts during translation */
.navbar-nav {
    min-height: 50px;
}

/* Language loading indicator */
html.lang-loading {
    cursor: wait;
}

.lang-loading [data-i18n] {
    opacity: 0.5;
}

.lang-loading::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    animation: langLoading 1.5s infinite;
    z-index: 1000;
}

@keyframes langLoading {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Promotional Section Styles */
.promo-section {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.promo-card {
    background: var(--card-bg);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.promo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.promo-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.promo-content {
    padding: 1.5rem;
}

.promo-title {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .promo-section {
        padding: 2rem 0;
    }
    
    .promo-img {
        height: 150px;
    }
}

/* Rest of your existing CSS styles... */

/* 404 Page Styles */
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    text-align: center;
    padding: 2rem;
    animation: fadeIn 0.6s ease-out;
    position: relative;
    overflow: hidden;
}

.error-container::before {
    content: "404";
    position: absolute;
    font-size: 30vw;
    font-weight: 900;
    color: rgba(37, 99, 235, 0.05);
    z-index: -1;
    pointer-events: none;
    animation: float 15s ease-in-out infinite alternate;
}

@keyframes float {
    0% {
        transform: translate(-10%, -10%) rotate(-5deg);
    }
    50% {
        transform: translate(10%, 10%) rotate(5deg);
    }
    100% {
        transform: translate(-10%, -10%) rotate(-5deg);
    }
}

.error-container h1,
.error-container h2,
.error-container p,
.error-container .btn,
.error-nav {
    position: relative;
    z-index: 1;
}

.error-container h1 {
    font-size: 8rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 1rem;
    position: relative;
}

.error-container h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.error-container h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    animation: slideUp 0.5s ease-out;
    background: rgba(248, 250, 252, 0.7);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    display: inline-block;
}

.error-container p {
    max-width: 600px;
    margin-bottom: 2rem;
    color: var(--text-color);
    opacity: 0.9;
    animation: slideUp 0.6s ease-out;
}

.error-container .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    animation: slideUp 0.7s ease-out;
}

.error-container .btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.error-nav {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    animation: fadeIn 0.8s ease-out;
}

.error-nav a {
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.2);
}

.error-nav a:hover {
    background-color: rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .error-container h1 {
        font-size: 5rem;
    }
    
    .error-container h2 {
        font-size: 1.5rem;
    }

    .error-nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }

    .error-nav a {
        width: 100%;
    }
}