/* General Body & Typography */
:root {
    /* Dark Mode Colors (Default) */
    --primary-color: #f7e04b; /* Neon Yellow/Gold */
    --secondary-color: #00bcd4; /* Cyan/Turquoise */
    --accent-color: #ff6e40; /* Orange/Red Accent */
    --dark-bg: #0d1a2f; /* Very dark blue for backgrounds */
    --light-bg: #1a2c42; /* Slightly lighter dark blue for cards/sections */
    --text-color-light: #e0f2f7; /* Light blueish white for text */
    --text-color-dark: #000a1a; /* Not directly used in dark mode body, but good to define */
    --border-glow: rgba(255, 221, 0, 0.7); /* Lighter glow for borders */
    --footer-bg: #08101b; /* Even darker background for footer */

    /* Light Mode Colors (will be overridden when .light-mode is active) - IMPROVED */
    --light-mode-primary-color: #007bff; /* Vibrant Blue */
    --light-mode-secondary-color: #28a745; /* Clean Green */
    --light-mode-accent-color: #dc3545; /* Red accent */
    --light-mode-dark-bg: #f0f4f8; /* Very light blue-grey for main background */
    --light-mode-light-bg: #ffffff; /* Pure white for cards/sections */
    --light-mode-text-color-light: #343a40; /* Dark text for light backgrounds */
    --light-mode-text-color-dark: #212529; /* Even darker text for titles */
    --light-mode-text-color-dark-secondary: #495057; /* Slightly lighter dark text for paragraphs */
    --light-mode-border-glow: rgba(0, 123, 255, 0.3); /* Lighter glow for borders */
    --light-mode-footer-bg: #e9ecef; /* Light grey for footer */
    --light-mode-shadow-color: rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    direction: rtl;
    text-align: right;
    background-color: var(--dark-bg);
    color: var(--text-color-light);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden; /* Prevent horizontal scroll */
}

/* Light Mode Styles */
body.light-mode {
    background-color: var(--light-mode-dark-bg);
    color: var(--light-mode-text-color-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    /* Adjusted padding to accommodate absolute positioned elements */
    padding: 0 100px; 
}

.section-padding {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

body.light-mode h1,
body.light-mode h2,
body.light-mode h3,
body.light-mode h4,
body.light-mode h5,
body.light-mode h6 {
    color: var(--light-mode-primary-color);
}

h2 {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 50px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

body.light-mode a {
    color: var(--light-mode-primary-color);
}

a:hover {
    color: var(--secondary-color);
}

body.light-mode a:hover {
    color: var(--light-mode-secondary-color);
}

/* Particles Background */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Header */
.header {
    background-color: var(--dark-bg);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
    position: relative; 
}

.light-mode .header {
    background-color: var(--light-mode-light-bg);
    box-shadow: 0 5px 15px var(--light-mode-shadow-color);
}

.header.hide {
    transform: translateY(-100%);
}

.header .container {
    display: flex; /* Kept flex for content inside the container */
    justify-content: center; /* Center content of container (nav) */
    align-items: center;
    width: 100%;
    max-width: 1200px; /* Ensure container respects max-width */
}

/* Logo - Desktop Position (Left) */
.header .logo {
    position: absolute;
    left: 20px; /* Position on the left for desktop */
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001; /* Ensure it's above other elements */
}

.header .logo a {
    font-size: 2.2em;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.light-mode .header .logo a {
    color: var(--light-mode-primary-color);
}

.header .logo a:hover {
    color: var(--secondary-color);
}

.light-mode .header .logo a:hover {
    color: var(--light-mode-secondary-color);
}

.main-nav {
    margin: 0 40px; /* Add some margin around the nav if it's not expanding fully */
}

.main-nav .nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.main-nav .nav-links li a {
    color: var(--text-color-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

.light-mode .main-nav .nav-links li a {
    color: var(--light-mode-text-color-dark);
}

.main-nav .nav-links li a:hover {
    color: var(--primary-color);
}

.light-mode .main-nav .nav-links li a:hover {
    color: var(--light-mode-primary-color);
}

/* Theme Switch - Desktop Position (Right) */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    position: absolute; 
    right: 20px; /* Position on the right for desktop */
    top: 50%;
    transform: translateY(-50%);
    z-index: 1001; /* Ensure it's above other elements */
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: var(--light-bg);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border: 1px solid var(--primary-color);
    box-shadow: 0 0 5px var(--border-glow);
}

.light-mode .slider {
    background-color: var(--light-mode-light-bg);
    border: 1px solid var(--light-mode-primary-color);
    box-shadow: 0 0 5px var(--light-mode-border-glow);
}

.slider:before {
    background-color: var(--primary-color);
    bottom: 4px;
    content: "";
    height: 26px;
    right: 4px;
    position: absolute;
    width: 26px;
    transition: .4s;
}

.light-mode .slider:before {
    background-color: var(--light-mode-primary-color);
}

input:checked + .slider {
    background-color: var(--light-mode-light-bg);
    border-color: var(--light-mode-primary-color);
}

input:checked + .slider:before {
    transform: translateX(-26px);
    background-color: var(--light-mode-primary-color);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.slider .light-icon, .slider .dark-icon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1em;
    transition: opacity 0.4s ease, color 0.4s ease;
}

.slider .light-icon {
    right: 8px;
    color: var(--text-color-light); /* Sun in dark mode */
    opacity: 1;
}

.slider .dark-icon {
    left: 8px;
    color: var(--primary-color); /* Moon in dark mode */
    opacity: 0;
}

input:checked + .slider .light-icon {
    opacity: 0;
}

input:checked + .slider .dark-icon {
    opacity: 1;
    color: var(--light-mode-text-color-dark); /* Moon in light mode */
}

/* Hamburger Menu */
.hamburger-menu {
    display: none; /* Hidden by default on desktop */
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001; 
    position: absolute; 
    left: auto;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.hamburger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    border-radius: 5px;
}

.light-mode .hamburger-menu .bar {
    background-color: var(--light-mode-primary-color);
}

.hamburger-menu.open .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger-menu.open .bar:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.open .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

@media (max-width: 768px) {
    .main-nav .nav-links {
        flex-direction: column;
        position: absolute;
        top: 80px;
        right: 0;
        width: 100%;
        background-color: var(--dark-bg);
        border-top: 1px solid var(--primary-color);
        padding: 20px 0;
        transition: transform 0.3s ease-in-out, opacity 0.3s ease;
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        z-index: 999;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .light-mode .main-nav .nav-links {
        background-color: var(--light-mode-light-bg);
        border-color: var(--light-mode-primary-color);
        box-shadow: 0 10px 20px var(--light-mode-shadow-color);
    }

    .main-nav .nav-links.show {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .main-nav .nav-links li {
        margin: 10px 0;
        text-align: center;
    }
}
/* Buttons */
.btn {
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
    border: none;
    text-align: center;
    display: inline-block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.light-mode .btn-primary {
    background-color: var(--light-mode-primary-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: var(--dark-bg);
    box-shadow: 0 5px 15px rgba(0, 188, 212, 0.4);
}

.light-mode .btn-primary:hover {
    background-color: var(--light-mode-secondary-color);
    color: #fff;
    box-shadow: 0 5px 15px rgba(40, 167, 69, 0.4);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.light-mode .btn-outline-primary {
    border-color: var(--light-mode-primary-color);
    color: var(--light-mode-primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.light-mode .btn-outline-primary:hover {
    background-color: var(--light-mode-primary-color);
    color: #fff;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--dark-bg);
}

.light-mode .btn-secondary {
    background-color: var(--light-mode-secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
    box-shadow: 0 5px 15px rgba(247, 224, 75, 0.4);
}

.light-mode .btn-secondary:hover {
    background-color: var(--light-mode-primary-color);
    color: #fff;
}

.btn-lg {
    padding: 15px 35px;
    font-size: 1.1em;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.9em;
}

/* Hero Section */
.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 100px; /* Offset for fixed header */
}

.hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    text-shadow: 0 0 15px rgba(247, 224, 75, 0.5);
    color: var(--text-color-light); /* Main title should be light in dark mode */
}

.light-mode .hero-title {
    color: var(--light-mode-text-color-dark);
    text-shadow: 0 0 10px rgba(0, 123, 255, 0.3);
}

.hero-subtitle {
    font-size: 1.2em;
    color: var(--text-color-light);
    margin-bottom: 40px;
    opacity: 0.9;
}

.light-mode .hero-subtitle {
    color: var(--light-mode-text-color-dark-secondary);
}

.search-box {
    display: flex;
    justify-content: center;
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--light-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--primary-color);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.light-mode .search-box {
    background-color: var(--light-mode-light-bg);
    border-color: var(--light-mode-primary-color);
    box-shadow: 0 5px 20px var(--light-mode-shadow-color);
}

.search-box input {
    flex-grow: 1;
    padding: 15px 20px;
    border: none;
    outline: none;
    font-size: 1.1em;
    background: transparent;
    color: var(--text-color-light);
}

.light-mode .search-box input {
    color: var(--light-mode-text-color-dark);
}

.search-box input::placeholder {
    color: rgba(224, 242, 247, 0.7);
}

.light-mode .search-box input::placeholder {
    color: rgba(73, 80, 87, 0.7);
}

.search-box button {
    border-radius: 0; /* Remove border-radius from button inside search box */
}

/* Categories Section */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 30px;
    text-align: center;
}

.category-item {
    background-color: var(--light-bg);
    border-radius: 10px;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-color-light);
    transition: all 0.3s ease;
    border: 1px solid transparent;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.light-mode .category-item {
    background-color: var(--light-mode-light-bg);
    color: var(--light-mode-text-color-dark);
    box-shadow: 0 5px 15px var(--light-mode-shadow-color);
}

.category-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px var(--border-glow);
}

.light-mode .category-item:hover {
    border-color: var(--light-mode-primary-color);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.category-item i {
    font-size: 3.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: color 0.3s ease;
}

.light-mode .category-item i {
    color: var(--light-mode-primary-color);
}

.category-item:hover i {
    color: var(--secondary-color);
}

.light-mode .category-item:hover i {
    color: var(--light-mode-secondary-color);
}

.category-item span {
    font-size: 1.1em;
    font-weight: 600;
}

/* Products Section */
.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--light-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
}

.light-mode .product-card {
    background-color: var(--light-mode-light-bg);
    box-shadow: 0 5px 15px var(--light-mode-shadow-color);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.product-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-info h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--text-color-light); /* Card title in dark mode */
}

.light-mode .product-info h3 {
    color: var(--light-mode-text-color-dark);
}

.product-info .freelancer-name {
    font-size: 0.9em;
    color: rgba(224, 242, 247, 0.7);
    margin-bottom: 8px;
}

.light-mode .product-info .freelancer-name {
    color: var(--light-mode-text-color-dark-secondary);
}

.product-info .freelancer-name i {
    margin-left: 5px;
    color: var(--secondary-color);
}

.light-mode .product-info .freelancer-name i {
    color: var(--light-mode-secondary-color);
}

.product-info .rating {
    font-size: 0.9em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.light-mode .product-info .rating {
    color: var(--light-mode-primary-color);
}

.product-info .rating i {
    color: var(--primary-color);
    margin-left: 5px;
}

.light-mode .product-info .rating i {
    color: var(--light-mode-primary-color);
}

.product-description {
    font-size: 0.9em;
    color: rgba(224, 242, 247, 0.8);
    margin-bottom: 20px;
    flex-grow: 1;
}

.light-mode .product-description {
    color: var(--light-mode-text-color-dark-secondary);
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto; /* Push to bottom */
}

.product-footer .price {
    font-size: 1.2em;
    font-weight: 700;
    color: var(--secondary-color);
}

.light-mode .product-footer .price {
    color: var(--light-mode-secondary-color);
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.feature-item {
    background-color: var(--light-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    border: 1px solid transparent;
}

.light-mode .feature-item {
    background-color: var(--light-mode-light-bg);
    box-shadow: 0 5px 15px var(--light-mode-shadow-color);
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px var(--border-glow);
}

.light-mode .feature-item:hover {
    border-color: var(--light-mode-primary-color);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.feature-item i {
    font-size: 3.5em;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: color 0.3s ease;
}

.light-mode .feature-item i {
    color: var(--light-mode-primary-color);
}

.feature-item:hover i {
    color: var(--secondary-color);
}

.light-mode .feature-item:hover i {
    color: var(--light-mode-secondary-color);
}

.feature-item h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: var(--text-color-light); /* Feature title in dark mode */
}

.light-mode .feature-item h3 {
    color: var(--light-mode-text-color-dark);
}

.feature-item p {
    font-size: 0.95em;
    color: rgba(224, 242, 247, 0.85);
}

.light-mode .feature-item p {
    color: var(--light-mode-text-color-dark-secondary);
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.portfolio-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.light-mode .portfolio-item .overlay {
    background-color: rgba(255, 255, 255, 0.8);
}

.portfolio-item:hover .overlay {
    opacity: 1;
}

.portfolio-item .overlay h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 1.5em;
    text-shadow: none; /* Remove text shadow for overlay titles */
}

.light-mode .portfolio-item .overlay h3 {
    color: var(--light-mode-primary-color);
}

.portfolio-item .overlay p {
    color: var(--text-color-light);
    font-size: 1em;
}

.light-mode .portfolio-item .overlay p {
    color: var(--light-mode-text-color-dark-secondary);
}


.testimonial-slider {
    display: flex;
    overflow-x: auto; /* Enable horizontal scrolling if too many items */
    scroll-snap-type: x mandatory; /* For smooth snapping */
    -webkit-overflow-scrolling: touch; /* For smoother scrolling on iOS */
    gap: 20px;
    padding-bottom: 20px; /* Space for scrollbar */
    justify-content: center; /* Center items if few */
}

.testimonial-item {
    flex: 0 0 450px; /* Fixed width for each item */
    scroll-snap-align: center; /* Snap to center */
    background-color: var(--dark-bg);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.light-mode .testimonial-item {
    background-color: var(--light-mode-dark-bg);
    box-shadow: 0 5px 15px var(--light-mode-shadow-color);
}

.testimonial-item .quote {
    font-size: 1.1em;
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-color-light);
}

.light-mode .testimonial-item .quote {
    color: var(--light-mode-text-color-dark);
}

.testimonial-item .author {
    font-weight: 600;
    color: var(--primary-color);
}

.light-mode .testimonial-item .author {
    color: var(--light-mode-primary-color);
}


/* Call to Action Section */
.cta-section {
    text-align: center;
}

.cta-title {
    font-size: 2.8em;
    margin-bottom: 15px;
    color: var(--text-color-light);
}

.light-mode .cta-title {
    color: var(--light-mode-text-color-dark);
}

.cta-subtitle {
    font-size: 1.1em;
    color: rgba(224, 242, 247, 0.9);
    margin-bottom: 40px;
}

.light-mode .cta-subtitle {
    color: var(--light-mode-text-color-dark-secondary);
}

.cta-buttons .btn {
    margin: 0 10px;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Form on left, info on right */
    gap: 50px;
    background-color: var(--light-bg);
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.light-mode .contact-content {
    background-color: var(--light-mode-light-bg);
    box-shadow: 0 5px 20px var(--light-mode-shadow-color);
}

.contact-form-wrapper h3,
.contact-info-block h3 {
    font-size: 1.8em;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.light-mode .contact-form-wrapper h3,
.light-mode .contact-info-block h3 {
    color: var(--light-mode-primary-color);
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color-light);
}

.light-mode .contact-form label {
    color: var(--light-mode-text-color-dark);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    background-color: var(--dark-bg);
    color: var(--text-color-light);
    font-size: 1em;
    transition: all 0.3s ease;
    outline: none;
}

.light-mode .contact-form input[type="text"],
.light-mode .contact-form input[type="email"],
.light-mode .contact-form textarea {
    background-color: var(--light-mode-dark-bg);
    border-color: var(--light-mode-primary-color);
    color: var(--light-mode-text-color-dark);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: rgba(224, 242, 247, 0.6);
}

.light-mode .contact-form input::placeholder,
.light-mode .contact-form textarea::placeholder {
    color: rgba(73, 80, 87, 0.6);
}

.contact-form input:focus,
.contact-form textarea:focus {
    box-shadow: 0 0 10px var(--border-glow);
    border-color: var(--secondary-color);
}

.light-mode .contact-form input:focus,
.light-mode .contact-form textarea:focus {
    box-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
    border-color: var(--light-mode-secondary-color);
}

.contact-form .btn {
    width: auto;
    margin-top: 10px;
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 20px;
    background-color: var(--dark-bg); /* Darker background for info block */
    border-radius: 8px;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.light-mode .contact-info-block {
    background-color: var(--light-mode-dark-bg);
    box-shadow: inset 0 0 10px var(--light-mode-shadow-color);
}

.contact-info-block p {
    margin-bottom: 15px;
    color: var(--text-color-light);
    font-size: 0.95em;
}

.light-mode .contact-info-block p {
    color: var(--light-mode-text-color-dark-secondary);
}

.contact-info-block p i {
    margin-left: 10px;
    color: var(--primary-color);
}

.light-mode .contact-info-block p i {
    color: var(--light-mode-primary-color);
}

.contact-info-block .social-icons {
    margin-top: 30px;
    display: flex;
    gap: 15px;
}

.contact-info-block .social-icons a {
    color: var(--primary-color);
    font-size: 1.8em;
    transition: color 0.3s ease, transform 0.2s ease;
}

.light-mode .contact-info-block .social-icons a {
    color: var(--light-mode-primary-color);
}

.contact-info-block .social-icons a:hover {
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.light-mode .contact-info-block .social-icons a:hover {
    color: var(--light-mode-secondary-color);
}


/* --- Footer Styles --- */
.footer {
    background-color: var(--footer-bg);
    color: var(--text-color-light);
    padding: 80px 0 30px;
    position: relative; /* For back-to-top button positioning */
    border-top: 1px solid var(--border-glow);
    transition: background-color 0.3s ease, border-top-color 0.3s ease;
}

.light-mode .footer {
    background-color: var(--light-mode-footer-bg);
    color: var(--light-mode-text-color-dark);
    border-top-color: var(--light-mode-border-glow);
}

.footer-grid-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr; /* Adjust column sizes as needed */
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand-info .footer-logo a {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    margin-bottom: 15px;
    display: inline-block;
    transition: color 0.3s ease;
}

.light-mode .footer-brand-info .footer-logo a {
    color: var(--light-mode-primary-color);
}

.footer-brand-info p {
    font-size: 0.95em;
    line-height: 1.6;
    margin-top: 15px;
    color: var(--text-color-light);
    transition: color 0.3s ease;
}

.light-mode .footer-brand-info p {
    color: var(--light-mode-text-color-dark-secondary); /* A slightly lighter dark text color */
}

.footer-brand-info .social-icons {
    margin-top: 25px;
    display: flex;
    gap: 15px;
}

.footer-brand-info .social-icons a {
    color: var(--primary-color);
    font-size: 1.5em;
    transition: color 0.3s ease, transform 0.2s ease;
}

.light-mode .footer-brand-info .social-icons a {
    color: var(--light-mode-primary-color);
}

.footer-brand-info .social-icons a:hover {
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.light-mode .footer-brand-info .social-icons a:hover {
    color: var(--light-mode-secondary-color);
}


.footer-links-group h4,
.footer-contact h4 {
    font-size: 1.2em;
    color: var(--text-color-light);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    transition: color 0.3s ease;
}

.light-mode .footer-links-group h4,
.light-mode .footer-contact h4 {
    color: var(--light-mode-text-color-dark);
}

.footer-links-group h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    transition: background-color 0.3s ease;
}

.light-mode .footer-links-group h4::after,
.light-mode .footer-contact h4::after {
    background-color: var(--light-mode-primary-color);
}

.footer-links-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-group ul li {
    margin-bottom: 12px;
}

.footer-links-group ul li a {
    color: var(--text-color-light);
    text-decoration: none;
    font-size: 0.9em;
    transition: color 0.3s ease, transform 0.2s ease;
    display: inline-block; /* For transform to work */
}

.light-mode .footer-links-group ul li a {
    color: var(--light-mode-text-color-dark-secondary);
}

.footer-links-group ul li a:hover {
    color: var(--secondary-color);
    transform: translateX(-5px); /* Move slightly on hover */
}

.light-mode .footer-links-group ul li a:hover {
    color: var(--light-mode-secondary-color);
}

.footer-contact p {
    font-size: 0.9em;
    margin-bottom: 15px;
    color: var(--text-color-light);
    line-height: 1.6;
    transition: color 0.3s ease;
}

.light-mode .footer-contact p {
    color: var(--light-mode-text-color-dark-secondary);
}

.footer-contact p i {
    color: var(--primary-color);
    margin-left: 10px;
    font-size: 1.1em;
    transition: color 0.3s ease;
}

.light-mode .footer-contact p i {
    color: var(--light-mode-primary-color);
}

.footer-contact .footer-contact-btn {
    margin-top: 20px;
    width: 100%; /* Make button full width in its column */
    max-width: 180px; /* Limit width */
    text-align: center;
}

.footer-bottom {
    padding-top: 30px;
    margin-top: 50px;
    margin-right: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
    gap: 20px;
}

.light-mode .footer-bottom {
    border-top-color: rgba(0, 0, 0, 0.1);
}

.footer-bottom p {
    font-size: 0.85em;
    color: var(--text-color-light);
    margin: 0;
    transition: color 0.3s ease;
}

.light-mode .footer-bottom p {
    color: var(--light-mode-text-color-dark-secondary);
}

.footer-bottom p a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.light-mode .footer-bottom p a {
    color: var(--light-mode-primary-color);
}

.footer-bottom p a:hover {
    text-decoration: underline;
}

.footer-legal-links {
    display: flex;
    gap: 20px;
}

.footer-legal-links a {
    color: var(--text-color-light);
    text-decoration: none;
    font-size: 0.85em;
    transition: color 0.3s ease;
}

.light-mode .footer-legal-links a {
    color: var(--light-mode-text-color-dark-secondary);
}

.footer-legal-links a:hover {
    color: var(--secondary-color);
}

.light-mode .footer-legal-links a:hover {
    color: var(--light-mode-secondary-color);
}


/* Back to Top Button Styling */
.back-to-top-btn {
    position: fixed;
    bottom: 30px; /* Distance from bottom */
    right: 30px; /* Distance from right (for RTL, it should be right) */
    background-color: var(--primary-color);
    color: var(--dark-bg); /* Text color should contrast with primary-color */
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    z-index: 999; /* Ensure it's on top */
}

.light-mode .back-to-top-btn {
    background-color: var(--light-mode-primary-color);
    color: #fff; /* White text for blue background */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.back-to-top-btn.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top-btn:hover {
    transform: translateY(-5px);
    background-color: var(--secondary-color); /* Hover color for button */
    color: var(--dark-bg);
}

.light-mode .back-to-top-btn:hover {
    background-color: var(--light-mode-secondary-color);
    color: #fff;
}


/* Media Queries for Footer Responsiveness */
@media (max-width: 992px) {
    .footer-grid-container {
        grid-template-columns: 1fr 1fr 1fr; /* 3 columns on medium screens */
    }
    .footer-brand-info {
        grid-column: span 3; /* Spans all columns */
        text-align: center;
    }
    .footer-brand-info .social-icons {
        justify-content: center;
    }
    .footer-contact {
        grid-column: span 3; /* Spans all columns */
        text-align: center;
    }
    .footer-contact .footer-contact-btn {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 15px 20px; /* Adjusted padding to ensure space for absolute elements */
        display: block; /* Header no longer a flex container at this level */
    }

    .header .container {
        display: flex; /* Keep internal container as flex for nav */
        justify-content: center; /* Center nav within container */
        align-items: center;
        width: 100%;
        max-width: none; /* Let padding handle spacing */
        padding: 0; /* Reset internal container padding */
    }

    /* Logo - Mobile Position (Centered, Smaller Font) */
    .header .logo {
        position: absolute;
        left: 50%; /* Center horizontally */
        right: auto; /* Reset right */
        top: 80%;
        transform: translate(-50%, -50%); /* Center using transform */
        font-size: 1em; /* Adjust font size for mobile logo */
        text-align: center; /* Ensure text is centered within its box */
    }

    /* Theme Switch - Mobile Position (Far Right) */
    .theme-switch-wrapper {
        display: flex; /* Ensure it's displayed */
        right: 20px; /* Theme switch to the far right on mobile */
        left: auto; /* Reset left */
        top: 80%; /* Keep vertically centered */
        transform: translateY(-50%); /* Keep vertically centered */
    }

    /* Hamburger Menu - Mobile Position (Far Left) */
    .hamburger-menu {
        display: flex; /* Show hamburger on mobile */
        left: 20px; /* Position to the far left on mobile */
        right: auto; /* Reset right */
        top: 70%; /* Keep vertically centered */
        transform: translateY(-50%); /* Keep vertically centered */
    }

    .main-nav {
        width: 100%; /* Take full width for mobile menu */
        order: unset; /* Remove order from previous attempt */
    }

    .main-nav .nav-links {
        flex-direction: column;
        position: absolute;
        top: 80px; /* Height of header + some margin */
        right: 0;
        width: 100%;
        background-color: var(--dark-bg);
        border-top: 1px solid var(--primary-color);
        padding: 20px 0;
        transition: transform 0.3s ease-in-out, opacity 0.3s ease;
        transform: translateY(-120%); /* Initially off-screen */
        opacity: 0;
        visibility: hidden;
        z-index: 999;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    .light-mode .main-nav .nav-links {
        background-color: var(--light-mode-light-bg);
        border-color: var(--light-mode-primary-color);
        box-shadow: 0 10px 20px var(--light-mode-shadow-color);
    }

    .main-nav .nav-links.active {
        transform: translateY(0); /* Slide in when active */
        opacity: 1;
        visibility: visible;
    }

    .main-nav .nav-links li {
        margin: 10px 0;
        text-align: center;
    }
    
    .hero-section {
        min-height: 70vh;
    }
    .hero-section h1 {
        font-size: 2.2em;
    }

    .hero-section .hero-subtitle {
        font-size: 1em;
    }

    .section-padding {
        padding: 60px 0;
    }

    h2 {
        font-size: 2em;
        margin-bottom: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }

    .footer-legal-links {
        gap: 10px;
    }
}

@media (max-width: 576px) {
    /* Logo already adjusted in 768px media query */

    .hero-section h1 {
        font-size: 1.8em;
    }

    .hero-section .hero-subtitle {
        font-size: 0.9em;
    }

    .search-box {
        flex-direction: column;
        border-radius: 10px;
    }

    .search-box input {
        border-radius: 10px 10px 0 0;
        text-align: center;
    }

    .search-box button {
        border-radius: 0 0 10px 10px;
        width: 100%;
    }

    .categories-grid {
        grid-template-columns: 1fr;
    }

    .product-list {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-item {
        flex: 0 0 90%; /* Adjust width for smaller screens */
        margin: 0 10px; /* Add margin for better visual separation */
    }

    .cta-title {
        font-size: 2em;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding-bottom: 20px;
        border-bottom: 1px solid var(--border-glow);
        margin-bottom: 30px;
    }
    .light-mode .contact-form-wrapper {
        border-bottom-color: rgba(0, 0, 0, 0.1);
    }

    .contact-info-block {
        margin-top: 0; /* Remove top margin from original contact info */
    }
    
    .footer {
        padding: 50px 0 20px;
    }
    .footer-grid-container {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 40px;
    }
    .footer-brand-info,
    .footer-links-group,
    .footer-contact {
        grid-column: span 1; /* Span single column */
        text-align: center;
    }
    .footer-links-group h4::after,
    .footer-contact h4::after {
        right: 50%;
        transform: translateX(50%); /* Center underline */
    }
    .footer-links-group ul {
        text-align: center;
    }
    .footer-contact .footer-contact-btn {
        width: auto; /* Adjust width for smaller screens */
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    .footer-legal-links {
        flex-direction: column;
        gap: 5px;
    }
}

/* ========== Product Page Styles ========== */
.product-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.main-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.thumbnail-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.thumbnail {
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

.product-info {
    display: flex;
    flex-direction: column;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.rating i {
    color: var(--primary-color);
    margin-left: 3px;
}

.availability {
    color: var(--secondary-color);
}

.price {
    margin-bottom: 25px;
}

.current-price {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--secondary-color);
}

.old-price {
    text-decoration: line-through;
    color: rgba(224, 242, 247, 0.7);
    margin: 0 10px;
}

.discount {
    background-color: var(--accent-color);
    color: var(--dark-bg);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    font-weight: 600;
}

.product-description {
    margin-bottom: 30px;
    line-height: 1.8;
}

.features-list {
    list-style: none;
    margin-top: 15px;
}

.features-list li {
    margin-bottom: 8px;
}

.features-list i {
    color: var(--secondary-color);
    margin-left: 8px;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    align-items: center;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    overflow: hidden;
}

.qty-btn {
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--primary-color);
    font-size: 1em;
}

.qty-input {
    width: 50px;
    text-align: center;
    border: none;
    background: none;
    color: var(--text-color-light);
    font-size: 1em;
    padding: 8px 0;
}

.add-to-cart {
    flex-grow: 1;
}

.product-meta-footer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: auto;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9em;
}

.meta-item i {
    color: var(--primary-color);
}

/* Product Tabs */
.product-tabs {
    margin-bottom: 60px;
}

.tabs-nav {
    display: flex;
    list-style: none;
    border-bottom: 1px solid var(--primary-color);
    margin-bottom: 30px;
}

.tabs-nav li {
    padding: 12px 25px;
    cursor: pointer;
    position: relative;
    font-weight: 600;
}

.tabs-nav li.active {
    color: var(--primary-color);
}

.tabs-nav li.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    right: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th, .specs-table td {
    padding: 12px 15px;
    text-align: right;
    border-bottom: 1px solid rgba(224, 242, 247, 0.2);
}

.specs-table th {
    color: var(--primary-color);
}

/* Reviews */
.review-form {
    background-color: var(--light-bg);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.review-form h4 {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px 15px;
    background-color: var(--dark-bg);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    color: var(--text-color-light);
}

.rating-input i {
    cursor: pointer;
    margin-left: 5px;
    font-size: 1.2em;
}

.reviews-list {
    display: grid;
    gap: 25px;
}

.review-item {
    background-color: var(--light-bg);
    padding: 20px;
    border-radius: 10px;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}

.review-author {
    font-weight: 600;
}

.review-rating i {
    color: var(--primary-color);
    margin-left: 3px;
}

.review-date {
    font-size: 0.9em;
    opacity: 0.8;
}

/* Questions */
.question-form {
    background-color: var(--light-bg);
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.questions-list {
    display: grid;
    gap: 25px;
}

.question-item {
    background-color: var(--light-bg);
    padding: 20px;
    border-radius: 10px;
}

.question {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(224, 242, 247, 0.2);
}

.question-author {
    font-weight: 600;
    margin-bottom: 5px;
}

.question-date, .answer-date {
    font-size: 0.9em;
    opacity: 0.8;
}

.answer {
    padding-right: 20px;
}

.answer-author {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* Related Products */
.related-products {
    margin-top: 60px;
}

.related-products h2 {
    text-align: center;
    margin-bottom: 40px;
}

/* Light Mode Styles */
.light-mode .main-image,
.light-mode .thumbnail-container,
.light-mode .review-item,
.light-mode .question-item {
    box-shadow: 0 5px 15px var(--light-mode-shadow-color);
}

.light-mode .thumbnail.active {
    border-color: var(--light-mode-primary-color);
}

.light-mode .rating i,
.light-mode .review-rating i,
.light-mode .meta-item i,
.light-mode .features-list i,
.light-mode .answer-author {
    color: var(--light-mode-primary-color);
}

.light-mode .availability {
    color: var(--light-mode-secondary-color);
}

.light-mode .current-price {
    color: var(--light-mode-secondary-color);
}

.light-mode .old-price {
    color: var(--light-mode-text-color-dark-secondary);
}

.light-mode .discount {
    background-color: var(--light-mode-accent-color);
    color: #fff;
}

.light-mode .qty-btn,
.light-mode .qty-input {
    color: var(--light-mode-primary-color);
}

.light-mode .tabs-nav li.active {
    color: var(--light-mode-primary-color);
}

.light-mode .tabs-nav li.active::after {
    background-color: var(--light-mode-primary-color);
}

.light-mode .specs-table th {
    color: var(--light-mode-primary-color);
}

.light-mode .specs-table th, 
.light-mode .specs-table td {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.light-mode .form-group input, 
.light-mode .form-group textarea {
    background-color: var(--light-mode-dark-bg);
    border-color: var(--light-mode-primary-color);
    color: var(--light-mode-text-color-dark);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .product-detail-container {
        grid-template-columns: 1fr;
    }
    
    .thumbnail-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .product-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .quantity-selector {
        order: 1;
    }
    
    .add-to-cart {
        order: 2;
        width: 100%;
    }
    
    .btn-outline-primary {
        order: 3;
        width: 100%;
    }
    
    .tabs-nav {
        flex-wrap: wrap;
    }
    
    .tabs-nav li {
        padding: 8px 15px;
    }
}

@media (max-width: 576px) {
    .thumbnail-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-meta {
        flex-direction: column;
        gap: 10px;
    }
}