:root {
    --bg-dark: #1a1a2e; /* Midnight Blue */
    --bg-medium: #16213e; /* Darker Blue */
    --bg-light: #0f3460;  /* Navy Blue */
    --accent-primary: #e94560; /* Vivid Pink/Red */
    --accent-secondary: #53a8b6; /* Tealish Blue */
    --accent-tertiary: #f9a826; /* Gold/Yellow for categories */
    --text-light: #f0f0f0;
    --text-medium: #a0a0c0;
    --text-dark: #1a1a2e;
    --font-primary: 'Cairo', 'Tajawal', sans-serif;
    --font-secondary: 'Tajawal', sans-serif;
    --shadow-color: rgba(233, 69, 96, 0.3); /* Accent shadow */
    --shadow-dark-color: rgba(0, 0, 0, 0.5);
    --border-radius-md: 15px;
    --border-radius-sm: 8px;
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* ... (CSS Reset & Global Styles - نفس السابق) ... */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-primary);
    line-height: 1.7;
    background-color: var(--bg-dark);
    color: var(--text-light);
    direction: rtl;
    overflow-x: hidden;
}
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
h1, h2, h3, h4 {
    font-family: var(--font-primary);
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 1rem;
}
h2 { font-size: 2.8rem; text-align: center; margin-bottom: 40px; position: relative; }
h2::after {
    content: ''; display: block; width: 100px; height: 5px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 15px auto 0; border-radius: 3px;
    animation: pulseBorder 2s infinite alternate;
}
@keyframes pulseBorder {
    from { transform: scaleX(0.8); opacity: 0.7; }
    to { transform: scaleX(1.2); opacity: 1; }
}
a { text-decoration: none; color: var(--accent-secondary); transition: color var(--transition-fast); }
a:hover { color: var(--accent-primary); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius-sm); }
.btn {
    display: inline-block; padding: 12px 28px;
    background: linear-gradient(45deg, var(--accent-primary), #f06a7e);
    color: #fff; border: none; border-radius: 50px; cursor: pointer;
    font-size: 1.1rem; font-weight: 600; font-family: var(--font-primary);
    transition: all var(--transition-fast); box-shadow: 0 5px 15px var(--shadow-color);
    text-align: center; position: relative; overflow: hidden; z-index: 1;
}
.btn::before {
    content: ''; position: absolute; top: 0; right: 0; width: 50%; height: 100%;
    background: rgba(255,255,255,0.2); transform: skewX(-30deg) translateX(250%);
    transition: transform var(--transition-slow);
}
.btn:hover::before { transform: skewX(-30deg) translateX(-250%); }
.btn:hover {
    transform: translateY(-3px) scale(1.05); box-shadow: 0 8px 20px var(--shadow-color);
    background: linear-gradient(45deg, #f06a7e, var(--accent-primary));
}
.btn-secondary {
    background: linear-gradient(45deg, var(--accent-secondary), #6bc1d1);
    box-shadow: 0 5px 15px rgba(83, 168, 182, 0.3);
}
.btn-secondary:hover {
    background: linear-gradient(45deg, #6bc1d1, var(--accent-secondary));
    box-shadow: 0 8px 20px rgba(83, 168, 182, 0.3);
}
.btn-tertiary { /* For category links */
    background: linear-gradient(45deg, var(--accent-tertiary), #fbc02d);
    box-shadow: 0 5px 15px rgba(249, 168, 38, 0.4);
    color: var(--bg-dark); /* Dark text for better contrast on yellow */
}
.btn-tertiary:hover {
    background: linear-gradient(45deg, #fbc02d, var(--accent-tertiary));
    box-shadow: 0 8px 20px rgba(249, 168, 38, 0.4);
}

/* Header */
.main-header {
    background-color: rgba(22, 33, 62, 0.85); backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px); padding: 1rem 0; position: sticky;
    top: 0; z-index: 1000; box-shadow: 0 2px 15px var(--shadow-dark-color);
}
.main-header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 2rem; font-weight: 700; color: #fff; }
.logo span { color: var(--accent-primary); }
.main-nav ul { list-style: none; display: flex; }
.main-nav ul li { margin-right: 25px; }
.main-nav ul li a { color: var(--text-light); font-weight: 600; padding: 8px 12px; border-radius: var(--border-radius-sm); }
.main-nav ul li a:hover, .main-nav ul li a.active-nav {
    background-color: var(--accent-primary); color: #fff; box-shadow: 0 0 10px var(--shadow-color);
}

/* Page System using :target */
.page {
    display: none; padding: 60px 0; min-height: 70vh;
    animation: pageFadeIn 0.8s var(--transition-slow) forwards;
    opacity: 0;
}
@keyframes pageFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
#home { display: block; opacity: 1; } /* Home is visible by default */
.page:target { display: block; opacity: 1; }
/* Hide home if another page is targeted, also hide other non-targeted category pages */
main:has(> .page:target) > #home:not(:target) { display: none; }
main:has(> .products-listing-page:target) > .products-listing-page:not(:target) { display: none; }


/* Hero Section (Part of #home page) */
.hero-section {
    min-height: 70vh; /* Reduced height slightly */
    display: flex; align-items: center; justify-content: center; text-align: center;
    background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(26, 26, 46, 0.95)),
                url('https://images.unsplash.com/photo-1580301340978-8c6691cd0c61?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxzZWFyY2h8MTF8fGJlZCUyMHNoZWV0c3xlbnwwfHwwfHx8MA%3D%3D&auto=format&fit=crop&w=1200&q=60') no-repeat center center/cover; /* Bedding image */
    background-attachment: fixed; padding: 40px 0; color: var(--text-light);
}
.hero-content h1 {
    font-size: 3.2rem; /* Adjusted size */
    margin-bottom: 1rem; text-shadow: 0 0 20px var(--accent-primary);
    animation: textGlow 2s infinite alternate;
}
@keyframes textGlow {
    from { text-shadow: 0 0 10px var(--accent-primary), 0 0 20px var(--accent-primary); }
    to { text-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-secondary); }
}
.hero-content p {
    font-size: 1.3rem; margin-bottom: 2.5rem; max-width: 700px;
    margin-left: auto; margin-right: auto; color: var(--text-medium);
}

/* Categories Section (New - Part of #home page) */
.categories-section {
    padding: 60px 0;
    background-color: var(--bg-dark); /* Slightly different from products for distinction */
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}
.category-card {
    background-color: var(--bg-medium);
    padding: 30px 20px;
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 20px var(--shadow-dark-color);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px var(--accent-tertiary); /* Use tertiary for category hover */
}
.category-card img { /* Optional: if you have icons/images for categories */
    width: 80px; height: 80px; object-fit: contain; margin-bottom: 15px;
    filter: invert(70%) sepia(80%) saturate(500%) hue-rotate(330deg) brightness(100%) contrast(90%); /* Colorize icon like accent-tertiary */
}
.category-card h3 {
    font-size: 1.5rem; color: var(--text-light); margin-bottom: 15px;
}

/* Products Listing (General, and for Categories) */
.products-listing, .products-listing-page {
    padding: 60px 0;
    background-color: var(--bg-medium);
}
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
}
.product-card {
    background-color: var(--bg-light); border-radius: var(--border-radius-md);
    box-shadow: 0 10px 30px var(--shadow-dark-color); overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    display: flex; flex-direction: column; position: relative;
}
.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 35px var(--shadow-color);
}
.product-card-image-container { height: 250px; overflow: hidden; position: relative; }
.product-card-image-container img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform var(--transition-slow);
}
.product-card:hover .product-card-image-container img { transform: scale(1.15) rotate(3deg); }
.product-card-info {
    padding: 25px; text-align: center; flex-grow: 1;
    display: flex; flex-direction: column; justify-content: space-between;
}
.product-card-info h3 { font-size: 1.6rem; margin-bottom: 0.8rem; color: var(--text-light); }
.product-card-info .price { font-size: 1.5rem; font-weight: 700; color: var(--accent-secondary); margin-bottom: 1rem; }
.product-card-info .description-short {
    font-size: 0.95rem; color: var(--text-medium); margin-bottom: 1.5rem; min-height: 40px;
}
.back-to-home-btn { /* For category pages to go back */
    display: block;
    width: fit-content;
    margin: 40px auto 0;
    text-align: center;
}

/* Product Detail Page */
.product-detail-layout {
    display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px;
    align-items: flex-start; background-color: var(--bg-medium);
    padding: 40px; border-radius: var(--border-radius-md);
    box-shadow: 0 0 50px var(--shadow-dark-color);
}
.product-detail-image img {
    width: 100%; max-height: 500px; object-fit: cover; /* Changed to cover for bedding */
    border-radius: var(--border-radius-md); box-shadow: 0 10px 25px var(--shadow-dark-color);
}
.product-detail-info h1 { font-size: 2.5rem; color: var(--accent-primary); margin-bottom: 1rem; }
.product-detail-info .price-tag {
    font-size: 2.2rem; font-weight: bold; color: var(--accent-secondary);
    display: block; margin-bottom: 1.5rem; border-bottom: 2px solid var(--accent-secondary);
    padding-bottom: 1rem;
}
.product-detail-info .description-full {
    font-size: 1.1rem; line-height: 1.8; color: var(--text-medium); margin-bottom: 2rem;
}
.back-link {
    display: inline-block; margin-top: 30px; color: var(--accent-secondary);
    font-weight: 600; padding: 8px 15px; border: 2px solid var(--accent-secondary);
    border-radius: 50px; transition: all var(--transition-fast);
}
.back-link:hover { background-color: var(--accent-secondary); color: var(--bg-dark); }
.back-link .arrow { margin-left: 8px; display: inline-block; transition: transform var(--transition-fast); }
.back-link:hover .arrow { transform: translateX(5px); }

/* Checkout Page & Confirmation Page*/
.checkout-page, .confirmation-page {
    max-width: 700px; margin: 40px auto; background-color: var(--bg-medium);
    padding: 40px; border-radius: var(--border-radius-md);
    box-shadow: 0 0 60px rgba(0,0,0,0.7); text-align: center;
}
.checkout-page h2, .confirmation-page h2 { margin-top: 0; }
.checkout-page .product-summary {
    background-color: var(--bg-light); padding: 20px; border-radius: var(--border-radius-sm);
    margin-bottom: 30px; text-align: right; border: 1px solid var(--accent-secondary);
}
.checkout-page .product-summary h4 { color: var(--accent-primary); }
.checkout-page .product-summary p { color: var(--text-medium); }
.form-group { margin-bottom: 25px; text-align: right; }
.form-group label {
    display: block; margin-bottom: 10px; font-weight: 600;
    color: var(--text-light); font-size: 1.1rem;
}
.form-group input[type="text"], .form-group input[type="email"],
.form-group input[type="tel"], .form-group textarea {
    width: 100%; padding: 15px; background-color: var(--bg-dark);
    border: 1px solid var(--bg-light); border-radius: var(--border-radius-sm);
    font-size: 1rem; font-family: var(--font-primary); color: var(--text-light);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--shadow-color);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.confirmation-page .icon {
    font-size: 5rem; color: var(--accent-secondary); margin-bottom: 20px;
    animation: popInIcon 0.5s ease-out 0.2s backwards;
}
@keyframes popInIcon {
    0% { transform: scale(0.5); opacity: 0; }
    80% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* Footer */
.main-footer {
    background-color: var(--bg-medium); color: var(--text-medium);
    text-align: center; padding: 40px 0; margin-top: 60px;
    border-top: 3px solid var(--bg-light);
}
.main-footer p { margin-bottom: 10px; }
.footer-links a { color: var(--accent-secondary); margin: 0 10px; }
.footer-links a:hover { color: var(--accent-primary); }

/* Responsive Design */
@media (max-width: 992px) {
    .product-detail-layout { grid-template-columns: 1fr; }
    .product-detail-image img { max-height: 400px; }
}
@media (max-width: 768px) {
    .main-header .container { flex-direction: column; }
    .main-nav ul { margin-top: 1rem; flex-wrap: wrap; justify-content: center; }
    .main-nav ul li { margin: 5px; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-content p { font-size: 1.2rem; }
    h2 { font-size: 2.2rem; } /* Adjusted for smaller screens */
    .product-grid, .category-grid { grid-template-columns: 1fr; } /* Stack categories too */
}
@media (max-width: 480px) {
    h2 { font-size: 1.8rem; }
    .hero-content h1 { font-size: 2rem; }
    .product-card-info h3 { font-size: 1.3rem; }
    .product-card-info .price { font-size: 1.2rem; }
    .btn { padding: 10px 22px; font-size: 1rem; }
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--accent-secondary); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-primary); }