body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text-on-dark);
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Global box-sizing for consistent layouts */
    scroll-behavior: smooth; /* Smooth scrolling for internal anchor links */

    /* --- CSS Generated Grid Background Styles --- */
    background-color: var(--color-dark-gray); /* The main dark gray background color */
    background-image:
        /* Horizontal lines: 1px light gray line, then 29px transparent space, repeating every 30px */
        repeating-linear-gradient(0deg, var(--color-light-gray) 0, var(--color-light-gray) 1px, transparent 1px, transparent 30px),
        /* Vertical lines: 1px light gray line, then 29px transparent space, repeating every 30px */
        repeating-linear-gradient(90deg, var(--color-light-gray) 0, var(--color-light-gray) 1px, transparent 1px, transparent 30px);
    background-size: 30px 30px; /* Defines the size of each repeating square (grid cell) */
    background-position: center center; /* Centers the pattern */
    background-attachment: fixed; /* Keeps the grid fixed when the user scrolls */
    background-repeat: repeat; /* Ensures the pattern repeats across the entire background */
}

/* Add to the top of your CSS, or ensure this is present */
html, body {
    overflow-x: hidden; /* Prevents horizontal scrolling caused by overflowing elements */
    width: 100%; /* Ensures body takes full width */
}

/* ==========================================================================
   Mobile Menu Specific Styles - REFINED
   ========================================================================== */
.menu-toggle {
    display: none; /* Hidden by default on desktop */
    font-size: 1.8em;
    color: #fff;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001; /* Ensure it's above header content */
    /* Add padding for easier tapping */
    padding: 10px;
    /* Ensure it's not affected by text alignment of its parent */
    line-height: 1;
}

/* Adjustments for when menu is active/open (JS will toggle 'active' class) */
.header-nav {
    /* Base styles for the navigation, applies to both desktop and mobile */
    /* On desktop, it will typically be inline or flex */
    /* On mobile, it will be positioned off-screen */
}

/* Mobile specific overrides */
@media (max-width: 768px) {
    /* Ensure the header container allows space for the menu toggle */
    header .container {
        padding: 0 var(--spacing-md);
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }

    .site-logo {
        font-size: 1.3em !important;
        flex-shrink: 0;
    }

    .menu-toggle {
        display: block !important;
        position: relative;
        right: 0;
        color: #fff !important;
        order: 3;
        flex-shrink: 0;
    }

    .shop-btn {
        display: none !important;
    }

    .header-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: rgba(15, 15, 15, 0.98) !important;
        backdrop-filter: blur(10px);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
        transition: left 0.3s ease-in-out;
        z-index: 9999;
        padding-top: 80px;
        overflow-y: auto;
    }

    .header-nav.active {
        left: 0;
    }

    .header-nav ul {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
    }

    .header-nav ul li {
        margin: 15px 0;
        width: 100%;
        margin-left: 0;
    }

    .header-nav ul li a {
        display: block;
        padding: 10px 0;
        text-align: left;
        font-size: 1.2em;
        color: #fff !important;
    }

    /* Hero action buttons */
    .hero-actions {
        display: flex;
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
    }

    .hero-actions .btn {
        width: 100%;
        padding: 12px 20px !important;
        font-size: 0.95em !important;
        text-align: center;
    }

    /* Text outline for tagline on mobile */
    .hero-services-tagline {
        text-shadow: 
            -2px -2px 4px rgba(0, 0, 0, 0.9),
            2px -2px 4px rgba(0, 0, 0, 0.9),
            -2px 2px 4px rgba(0, 0, 0, 0.9),
            2px 2px 4px rgba(0, 0, 0, 0.9),
            0 0 8px rgba(0, 0, 0, 0.9);
    }

    /* Adjustments for other sections to prevent horizontal scroll */
    .container {
        padding: 0 var(--spacing-md); /* Use defined spacing variable */
        /* Ensure max-width doesn't cause overflow on very small screens if padding is large */
        box-sizing: border-box; /* Crucial for all elements */
        width: 100%; /* Ensure containers take full available width */
    }

    /* General responsive adjustments for font sizes and padding */
    .section-title {
        font-size: 2em; /* Smaller font size for mobile titles */
        margin-bottom: var(--spacing-md);
    }

    .hero-content h2 {
        font-size: 2.5em; /* Adjust hero heading size for mobile */
    }

    .hero-content p {
        font-size: 1em; /* Adjust hero paragraph size */
    }

    /* Ensure grid layouts collapse or adjust for mobile */
    .builder-grid,
    .contact-grid {
        grid-template-columns: 1fr; /* Single column layout for mobile */
        gap: var(--spacing-md); /* Reduced gap for mobile */
    }

    .build-summary-area {
        position: static; /* Remove sticky behavior on mobile, or adjust top value */
        margin-top: var(--spacing-lg); /* Add space if it's no longer sticky */
    }

    /* Footer grid adjustment for mobile */
    .main-footer .footer-grid {
        grid-template-columns: 1fr; /* Stack columns on mobile */
        text-align: center; /* Center footer content */
    }

    .main-footer .brand-info,
    .main-footer .footer-nav,
    .main-footer .contact-info,
    .main-footer .social-media {
        margin-bottom: var(--spacing-lg); /* Add space between stacked footer sections */
    }

    .main-footer .social-links {
        justify-content: center; /* Center social icons */
    }

    /* Ensure product grid also adapts */
    .new-product-section .product-grid,
    .featured-products .product-grid {
        grid-template-columns: 1fr; /* Single column on mobile for product cards */
    }

    .new-product-section .product-card,
    .featured-products .product-card {
        margin-bottom: var(--spacing-md); /* Space between stacked cards */
    }
}

/* Enhanced mobile styles for homepage */
@media (max-width: 700px) {
    .main-header, .sticky-header {
        min-height: 56px;
        padding: 0 8px;
    }
    .nav-flex {
        flex-direction: column;
        gap: 8px;
        padding: 0 4px;
    }
    .header-nav ul {
        flex-direction: column;
        gap: 8px;
        padding: 0;
        margin: 0;
        align-items: flex-start;
    }
    .header-nav .nav-link, .site-logo {
        font-size: 1.1em;
        padding: 6px 0;
    }
    .shop-btn {
        margin-top: 8px;
        width: 100%;
        text-align: center;
    }
    .hero-home, .modern-hero {
        padding: 32px 0 16px 0;
        min-height: 220px;
    }
    .hero-title {
        font-size: 1.5em;
        margin-bottom: 8px;
    }
    .hero-subtitle {
        font-size: 0.95em;
        margin-bottom: 18px;
    }
    .hero-cta {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    #shop .product-grid {
        gap: 12px;
        padding-bottom: 10px;
    }
    #shop .product-card {
        min-width: 90vw;
        max-width: 98vw;
        height: auto;
    }
    #shop .product-main-content img {
        height: 80px;
    }
    .gallery-slideshow {
        height: 120px;
        border-radius: 10px;
        max-width: 98vw;
    }
    #gallery-slideshow-img {
        max-height: 90px;
        border-radius: 6px;
    }
    .section-title {
        font-size: 1.2em;
        margin-bottom: 12px;
    }
    .container {
        padding: 0 4px;
    }
}

/* Original @media (max-width: 480px) block can remain for very small screens */
@media (max-width: 480px) {
    /* Further reduce padding on very small screens */
    .container {
        padding: 0 var(--spacing-sm);
    }
    .btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .hero-content h2 {
        font-size: 2em;
    }
    .hero-content p {
        font-size: 0.9em;
    }
    .component-category-card {
        padding: var(--spacing-md);
    }
    .build-summary-card {
        padding: var(--spacing-md);
    }
}

/* Universal box-sizing inheritance for all elements */
*, *::before, *::after {
    box-sizing: inherit;
}

/* ==========================================================================
   2. CSS Variables (Design Tokens)
   ========================================================================== */
:root {
    /* Colors */
    --text-color: #ffffff;
    --color-dark-gray: #161616;
    --color-darker-gray: #0f0f0f;
    --color-light-gray: #3c3c3c;
    --color-text-on-dark: #c5baba;
    --color-red-primary: linear-gradient(to right, #820303, #5d045d); /* Red to Purple blend */
    --color-red-dark: #d10000;   /* Darker shade for hover states/accents */
    --color-green-compatible: #4CAF50; /* Green for success/compatibility */
    --color-red-incompatible: #9d160c;  /* Red for errors/incompatibility */
    --color-white: #ffffff;             /* Pure white for strong contrast */
    --color-black-transparent: rgba(0, 0, 0, 0.3); /* For subtle shadows */
    --color-red-transparent: rgba(255, 87, 34, 0.4); /* For primary button shadows */
    --color-red-transparent-dark: rgba(209, 7, 7, 0.6); /* For primary button hover shadows */

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif; /* Bold and modern font for headings */
    --font-body: 'Roboto', sans-serif;       /* Clean and readable font for body text */

    /* Spacing & Sizes */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 40px;
    --spacing-xl: 80px;

    /* Border Radius */
    --border-radius-sm: 5px;
    --border-radius-md: 8px;
    --border-radius-lg: 10px;

    /* Transitions */
    --transition-speed-fast: 0.2s;
    --transition-speed-normal: 0.3s;
    --transition-speed-slow: 0.5s;
    --transition-ease: ease;
}

/* ==========================================================================
   3. General Layout & Utility Classes
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md); /* Consistent horizontal padding */
}

section {
    padding: var(--spacing-xl) 0; /* More generous vertical spacing for sections */
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.8em;
    color: var(--color-red-primary);
    text-align: center;
    margin-bottom: calc(var(--spacing-lg) + 20px); /* Adjust spacing below title */
    position: relative;
    padding-bottom: 15px; /* Space for the underline */
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--color-red-dark);
    border-radius: var(--border-radius-sm);
}

/* ==========================================================================
   4. Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: var(--border-radius-md); /* Slightly more rounded buttons */
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1em;
    transition: background-color var(--transition-speed-normal) var(--transition-ease),
                transform var(--transition-speed-fast) var(--transition-ease),
                box-shadow var(--transition-speed-normal) var(--transition-ease);
    cursor: pointer;
    border: none;
    text-align: center;
    box-sizing: border-box; /* Ensure padding doesn't affect width */
}

.btn-primary {
    background: var(--color-red-primary); /* Use background for gradient */
    color: var(--color-white);
    box-shadow: 0 4px 10px var(--color-red-transparent);
}

.btn-primary:hover {
    background-color: var(--color-red-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px var(--color-red-transparent-dark);
}

.btn-primary:focus-visible { /* For keyboard navigation accessibility */
    outline: 2px solid var(--color-white);
    outline-offset: 3px;
}

.btn-secondary {
    background-color: var(--color-darker-gray);
    color: var(--color-text-on-dark);
    border: 2px solid var(--color-light-gray);
    box-shadow: 0 4px 10px var(--color-black-transparent);
}

.btn-secondary:hover {
    background-color: var(--color-dark-gray);
    border-color: var(--color-red-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5); /* Slightly darker shadow on hover */
}

.btn-secondary:focus-visible { /* For keyboard navigation accessibility */
    outline: 2px solid var(--color-red-primary);
    outline-offset: 3px;
}

.btn:disabled {
    background-color: #666;
    color: #bbb; /* Make text a bit lighter for disabled state */
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
    opacity: 0.7; /* Indicate disabled state more clearly */
}

/* ==========================================================================
   5. Header & Navigation
   ========================================================================== */
header {
    background-color: transparent !important;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid transparent !important;
    position: fixed !important; /* Makes header fixed to follow user on scroll */
    top: 0 !important;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 10000 !important; /* Ensures it stays above all content during scroll */
    box-shadow: none !important;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, border-bottom 0.3s ease;
}

header.scrolled {
    background-color: rgba(15, 15, 15, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(238, 238, 238, 0.05) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3) !important;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.8em; /* Prominent size for the brand name */
}

header h1 a {
    color: var(--color-red-primary); /* Ensures company name is red */
    text-decoration: none;
    transition: color var(--transition-speed-normal) var(--transition-ease);
}

header h1 a:hover,
header h1 a:focus-visible {
    color: var(--color-white);
}

.site-logo {
    color: var(--color-red-primary); /* Explicitly set color for site logo */
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.8em;
    font-weight: 700; /* Assuming logo text is bold */
    transition: color var(--transition-speed-normal) var(--transition-ease);
}

.site-logo:hover,
.site-logo:focus-visible {
    color: var(--color-white);
}

header nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
}

header nav ul li {
    margin-left: 30px; /* Space between navigation items */
}

header nav ul li a {
    color: var(--color-text-on-dark);
    text-decoration: none;
    font-family: var(--font-body);
    font-weight: 700;
    transition: color var(--transition-speed-normal) var(--transition-ease);
    position: relative; /* For the animated underline effect */
    padding-bottom: 5px; /* Space for the underline */
}

header nav ul li a:hover,
header nav ul li a:focus-visible {
    color: var(--color-red-primary);
}

/* Underline effect on hover/focus */
header nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0; /* Starts hidden */
    height: 3px;
    background-color: var(--color-red-primary);
    transition: width var(--transition-speed-normal) var(--transition-ease);
}

header nav ul li a:hover::after,
header nav ul li a:focus-visible::after {
    width: 100%; /* Expands on hover/focus */
}


/* ==========================================================================
   6. Hero Section
   ========================================================================== */
.hero-section {
    background-color: var(--color-darker-gray); /* Consistent background with other cards */
    padding: 100px 0; /* Generous top/bottom padding for prominence */
    text-align: center;
    border-bottom: 1px solid rgba(238, 238, 238, 0.1);
    border-radius: var(--border-radius-lg); /* Consistent rounded corners */
    margin: var(--spacing-lg) auto; /* Center with margin */
    max-width: 1200px; /* Align with container width */
    box-shadow: 0 5px 15px var(--color-black-transparent); /* Consistent shadow */
}

.hero-content h2 {
    font-family: var(--font-heading);
    font-size: 3.8em; /* Large, impactful heading */
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5); /* Subtle text shadow for depth */
}

.hero-content p {
    font-family: var(--font-body);
    font-size: 1.3em; /* Readable paragraph size */
    color: var(--color-light-gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg) auto; /* More margin below paragraph */
}

/* ==========================================================================
   7. Build Section
   ========================================================================== */
.builder-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Two columns: selection on left, summary on right */
    gap: 60px; /* Increased gap for more breathing room */
    margin-top: var(--spacing-lg); /* Increased margin-top */
    align-items: start; /* Align grid items to the top */
}

.component-selection-area {
    display: flex;
    flex-direction: column;
    gap: 30px; /* Increased gap between component category cards */
}

.component-category-card {
    background-color: var(--color-darker-gray);
    padding: 30px; /* Increased padding inside cards */
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 15px var(--color-black-transparent);
    border: 1px solid rgba(238, 238, 238, 0.1);
    transition: border-color var(--transition-speed-normal) var(--transition-ease),
                transform var(--transition-speed-fast) var(--transition-ease);
}

.component-category-card:hover {
    border-color: var(--color-red-primary);
    transform: translateY(-3px); /* Subtle lift effect */
}

.component-category-card h3 {
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 1.8em; /* Larger heading for category titles */
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(255, 255, 255, 0.05); /* Subtle separator */
    padding-bottom: var(--spacing-sm);
}

.component-select {
    width: 100%;
    padding: 15px 20px; /* Larger padding for select inputs */
    margin-bottom: 15px;
    border: 1px solid #333;
    border-radius: var(--border-radius-sm);
    background-color: #2a2a2a;
    color: var(--color-text-on-dark);
    font-size: 1.1em; /* Larger font size */
    appearance: none; /* Remove default dropdown arrow */
    -webkit-appearance: none;
    -moz-appearance: none;
    /* Custom SVG arrow for dropdown */
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20256%20256%22%3E%3Cpath%20fill%3D%22%23eeeeee%22%20d%3D%22M208%2096H48l80%2080z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 18px;
    cursor: pointer;
    transition: border-color var(--transition-speed-normal) var(--transition-ease);
}

.component-select:focus {
    outline: none; /* Remove default outline */
    border-color: var(--color-red-primary);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.5); /* Custom focus outline */
}

.component-select option {
    background-color: #2a2a2a;
    color: var(--color-text-on-dark);
}

.selected-component-display {
    background-color: #2a2a2a;
    padding: 15px; /* Consistent padding */
    border-radius: var(--border-radius-sm);
    min-height: 55px; /* Ensures consistent height even if no component selected */
    display: flex;
    align-items: center;
    font-size: 1em;
    color: var(--color-text-on-dark);
    border: 1px dashed #444; /* Dashed border for visual distinction */
}

.selected-component-display .component-name {
    font-weight: 700;
    color: var(--color-red-primary); /* Highlight selected component name */
}

/* ==========================================================================
   8. Build Summary Area
   ========================================================================== */
.build-summary-area {
    position: sticky; /* Make summary sticky as user scrolls selection */
    top: 120px; /* Stick it below the header (adjust if header height changes) */
    align-self: start; /* Ensures it aligns to the top within the grid */
}

.build-summary-card {
    background-color: var(--color-darker-gray);
    padding: var(--spacing-lg); /* More generous padding */
    border-radius: var(--border-radius-lg);
    box-shadow: 0 5px 15px var(--color-black-transparent);
    border: 1px solid rgba(238, 238, 238, 0.1);
}

.build-summary-card h3 {
    font-family: var(--font-heading);
    font-size: 2.2em; /* Larger heading for summary title */
    color: var(--color-white);
    margin-top: 0;
    margin-bottom: 30px; /* More space below title */
    text-align: center;
    border-bottom: 2px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 15px;
}

.build-summary-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px; /* Space before compatibility/total */
}

/* Styles for individual component summary items */
.build-summary-list li {
    background-color: #2a2a2a; /* Slightly lighter background than card for distinction */
    padding: 15px 20px; /* Padding inside the box */
    margin-bottom: var(--spacing-sm); /* Space between boxes */
    border-radius: var(--border-radius-md); /* Rounded corners for the boxes */
    border: 1px solid #333; /* Subtle border for definition */
    display: flex;
    justify-content: space-between; /* Align name to left, value to right */
    align-items: center;
    font-size: 1.1em;
    color: var(--color-light-gray);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); /* Subtle shadow for depth */
}

.build-summary-list li:last-child {
    margin-bottom: 0; /* No margin after the last item in the list */
}

.build-summary-list li span {
    font-weight: 700;
    color: var(--color-red-primary); /* Highlight the component name */
}

.build-summary-list li .summary-price {
    font-size: 0.9em;
    color: var(--color-light-gray);
    /* Ensure price aligns well if component name is long */
    white-space: nowrap;
    margin-left: 10px;
}


/* Compatibility Status */
.compatibility-status {
    padding: 15px 20px;
    border-radius: var(--border-radius-md);
    margin-top: 25px;
    margin-bottom: 25px;
    font-size: 1.1em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    text-align: center; /* Center the text within the block */
    justify-content: center; /* Center the icon and text */
}

.compatibility-status.compatible {
    background-color: var(--color-green-compatible);
    color: var(--color-white);
}

.compatibility-status.incompatible {
    background-color: var(--color-red-incompatible);
    color: var(--color-white);
}

.compatibility-status i {
    font-size: 1.3em;
}

.total-price-display {
    font-family: var(--font-heading);
    font-size: 2.8em; /* Prominent size for the total price */
    color: var(--color-red-primary);
    text-align: right;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid rgba(238, 238, 238, 0.1);
    font-weight: 700;
}

#submit-build-btn {
    width: 100%;
    margin-top: 30px; /* Space below total price before the button */
}


/* ==========================================================================
   9. About Us Section
   ========================================================================== */
.about-us-section {
    background-color: var(--color-darker-gray); /* Consistent background */
    border-top: 1px solid rgba(238, 238, 238, 0.1);
    border-bottom: 1px solid rgba(238, 238, 238, 0.1);
    border-radius: var(--border-radius-lg); /* Consistent rounded corners */
    margin: var(--spacing-lg) auto; /* Center with margin */
    max-width: 1200px; /* Align with container width */
    box-shadow: 0 5px 15px var(--color-black-transparent); /* Consistent shadow */
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.1em;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   10. Contact Us Section
   ========================================================================== */
.contact-section {
    background-color: var(--color-darker-gray);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(238, 238, 238, 0.1);
    border-radius: var(--border-radius-lg);
    margin: var(--spacing-lg) auto;
    max-width: 1200px;
    box-shadow: 0 5px 15px var(--color-black-transparent);
}

.contact-intro {
    font-size: 1.1em;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-lg);
    text-align: center; /* Center the introductory text */
}

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr; /* Form wider than info */
    gap: var(--spacing-lg);
}

.contact-form-card, .contact-info-card {
    background-color: var(--color-dark-gray); /* Slightly lighter than darker-gray */
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    border: 1px solid rgba(238, 238, 238, 0.05);
}

.contact-form-card h3, .contact-info-card h3 {
    font-family: var(--font-heading);
    font-size: 1.6em;
    color: var(--color-red-primary);
    margin-bottom: 25px;
}

.contact-form .form-group {
    margin-bottom: var(--spacing-md);
}

.contact-form label { /* Added label styling for accessibility and better appearance */
    display: block;
    color: var(--color-light-gray);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95em;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #333;
    border-radius: var(--border-radius-sm);
    font-size: 1em;
    font-family: var(--font-body);
    box-sizing: border-box; /* Ensures padding is included in element's total width/height */
    background-color: #2a2a2a;
    color: var(--color-text-on-dark);
    transition: border-color var(--transition-speed-normal) var(--transition-ease);
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-red-primary);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.5);
}

.contact-form textarea {
    resize: vertical; /* Allow only vertical resizing */
    min-height: 120px; /* Ensure a decent starting height */
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #888;
    opacity: 0.7; /* Make placeholder text a bit softer */
}

.contact-form button {
    width: 100%;
    padding: 15px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
}

.contact-info-card p {
    margin-bottom: 15px;
    color: var(--color-light-gray);
    font-size: 1.05em;
    display: flex; /* Align icon and text */
    align-items: center;
}

.contact-info-card p i {
    color: var(--color-red-primary);
    margin-right: var(--spacing-sm);
    font-size: 1.2em;
}


/* ==========================================================================
   11. Footer Styles (Professional Look)
   ========================================================================== */
.main-footer {
    background-color: var(--color-darker-gray); /* Dark background matching header */
    color: var(--text-color); /* Light grey text for readability */
    padding: 60px 0; /* More vertical padding */
    font-size: 0.95em;
    border-top: 1px solid rgba(238, 238, 238, 0.1); /* Subtle line at the top */
}

.main-footer .footer-grid {
    display: grid;
    /* Adjusted grid-template-columns for a balanced, professional look */
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr; /* Distribute space logically */
    gap: var(--spacing-lg); /* Space between columns */
    margin-bottom: var(--spacing-lg); /* Space above copyright */
}

.main-footer .footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5em;
    color: var(--color-white); /* White for logo */
    text-decoration: none;
    margin-bottom: 15px;
    display: block; /* Ensures it takes up its own line */
}

.main-footer .brand-info p {
    color: var(--text-color); /* Slightly lighter for description */
    line-height: 1.7;
}

.main-footer h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1em;
    color: var(--color-red-primary); /* Red for footer headings */
    margin-bottom: var(--spacing-md);
}

.main-footer .footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.main-footer .footer-nav ul li {
    margin-bottom: var(--spacing-sm);
}

.main-footer .footer-nav ul li a {
    color: var(--text-color); /* Link color */
    text-decoration: none;
    transition: color var(--transition-speed-normal) var(--transition-ease);
}

.main-footer .footer-nav ul li a:hover {
    color: var(--color-red-primary); /* Red on hover */
    text-decoration: underline; /* Add underline on hover for clarity */
}

.main-footer .social-links {
    display: flex;
    gap: 15px; /* Space between social icons */
    margin-top: var(--spacing-md);
}

.main-footer .social-links a {
    color: var(--color-text-on-dark); /* Social icon color */
    font-size: 1.6em; /* Larger icons */
    transition: color var(--transition-speed-normal) var(--transition-ease);
}

.main-footer .social-links a:hover {
    color: var(--color-red-primary); /* Red on hover */
}

.main-footer .copyright {
    text-align: center;
    border-top: 1px solid rgba(238, 238, 238, 0.05); /* Separator for copyright */
    padding-top: var(--spacing-md);
    color: var(--color-light-gray); /* Softer color for copyright text */
    font-size: 0.9em;
}


@media (max-width: 480px) {
    /* Further reduce padding on very small screens */
    .container {
        padding: 0 var(--spacing-sm);
    }
    .btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .hero-content h2 {
        font-size: 2em;
    }
    .hero-content p {
        font-size: 0.9em;
    }
    .component-category-card {
        padding: var(--spacing-md);
    }
    .build-summary-card {
        padding: var(--spacing-md);
    }
}
/* Styling for the new product section */
.new-product-section {
    padding: 50px 0;
    text-align: center;
    background-color: #f9f9f9;
}
.new-product-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.new-product-section .section-title {
    font-size: 2.5em;
    margin-bottom: 20px;
    color: #333;
}
.new-product-section .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.new-product-section .product-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}
.new-product-section .product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}
.new-product-section .product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}
.new-product-section .card-content {
    padding: 20px;
}
.new-product-section .card-content h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
}
.new-product-section .card-content p {
    font-size: 0.95em;
    color: #666;
    line-height: 1.6;
}
/* Header/Navigation Bar */
header {
    background-color: rgba(51, 51, 51, 0.95); /* Slightly transparent dark background */
    color: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    position: sticky; /* Make header sticky */
    top: 0;
    z-index: 1000; /* Ensure it stays on top */
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.8em;
    color: var(--color-red-primary); /* Using the updated variable */
    text-decoration: none;
    transition: color 0.3s ease;
}
.site-logo:hover {
    color: #7b0707; /* Lighter red on hover */
}
.header-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}
.header-nav ul li {
    margin-left: 30px;
}
.header-nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    padding: 5px 0;
    position: relative; /* For underline effect */
}
.header-nav ul li a:hover {
    color: #d80404;
}
/* Underline effect for navigation */
.header-nav ul li a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--color-red-primary); /* Using the updated variable */
    transition: width 0.3s ease-in-out;
}
.header-nav ul li a:hover::after {
    width: 100%;
}
/* Primary Button Style */
.btn-primary {
    display: inline-block;
    background: var(--color-red-primary); /* Using background for gradient */
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background-color: #e00404;
    transform: translateY(-2px);
}
/* Secondary Button Style (for product cards) */
.btn-secondary {
    display: inline-block;
    background-color: #555;
    color: #fff;
    padding: 8px 16px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
    border: none;
    cursor: pointer;
}
.btn-secondary:hover {
    background-color: #777;
    transform: translateY(-2px);
}
/* Featured Products Section */
.featured-products {
    padding: 80px 0;
    text-align: center;
    background-color: #1a1a1a; /* Dark background */
    color: #eeeeee; /* Light text */
}
.hero-home,
.featured-products,
.why-choose-us,
.about-home,
.cta-section {
    background: url('images/background.png') no-repeat center center/cover;
    position: relative;
    z-index: 1;
    color: white;
}
.featured-products .section-title {
    color: #eeeeee; /* Adjust title color for dark background */
}
.featured-products .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}
.featured-products .product-card {
    background-color: #2a2a2a; /* Slightly lighter card background */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
    position: relative; /* Needed for hover info positioning */
}
.featured-products .product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}
.featured-products .product-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid #333;
}
.featured-products .card-content {
    padding: 20px;
    position: relative;
    z-index: 2; /* Ensure content is above hover info initially */
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.featured-products .card-content h3 {
    font-size: 1.6em;
    margin-bottom: 10px;
    color: var(--color-red-primary); /* Highlight product titles with primary red */
    font-family: 'Montserrat', sans-serif;
}
.featured-products .card-content .product-specs {
    font-size: 0.95em;
    color: #aaaaaa;
    line-height: 1.6;
    margin-bottom: 15px;
}
.featured-products .card-content .product-price {
    font-size: 1.8em;
    color: #eeeeee;
    font-weight: 700;
    margin-bottom: 20px;
}
.featured-products .card-content .btn-primary {
    width: 100%;
    padding: 12px 0;
    font-size: 1.05em;
}

/* Product Hover Info */
.product-hover-info {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(34, 34, 34, 0.95); /* Semi-transparent dark overlay */
    color: #fff;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 3; /* Ensure it appears above main content */
    border-radius: 10px; /* Match card border-radius */
    box-sizing: border-box; /* Include padding in dimensions */
}

.product-hover-info h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8em;
    color: var(--color-red-primary); /* Using the updated variable */
    margin-bottom: 15px;
}

.product-hover-info .hover-specs-list {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
    font-size: 0.95em;
    color: #cccccc;
}

.product-hover-info .hover-specs-list li {
    margin-bottom: 8px;
}

.product-hover-info .hover-specs-list li strong {
    color: #ffffff;
}

.product-hover-info .tested-on-info {
    font-size: 0.9em;
    color: #aaaaaa;
    margin-top: 15px;
}

.product-hover-info .btn-secondary {
    margin-top: 20px;
    width: 80%; /* Button width on hover */
}

/* Red and purple animated outline for product cards and task menu */
.product-card {
    position: relative;
    z-index: 1;
    border: 4px solid transparent;
}
.product-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 10px;
    z-index: 2;
    pointer-events: none;
    border: 4px solid transparent;
    background: linear-gradient(270deg, #ff1744, #8e24aa, #ff1744);
    background-size: 400% 400%;
    animation: rgbOutlineMove 4s linear infinite;
    -webkit-mask:
      linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask:
      linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #181818;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.sticky-header::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 5px;
    background: linear-gradient(270deg, #ff1744, #8e24aa, #ff1744);
    background-size: 400% 400%;
    animation: rgbOutlineMove 4s linear infinite;
    z-index: 101;
}
@keyframes rgbOutlineMove {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}
/* Horizontally scrollable Pre-built PCs grid with fixed card size */
#shop .product-grid {
    display: flex;
    flex-direction: row;
    gap: 30px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 20px;
}
#shop .product-card {
    min-width: 280px;
    max-width: 280px;
    height: 420px;
    flex: 0 0 auto;
    scroll-snap-align: start;
    box-sizing: border-box;
}
#shop .product-main-content img {
    max-width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
}
#shop .product-grid::-webkit-scrollbar {
    height: 12px;
}
#shop .product-grid::-webkit-scrollbar-thumb {
    background: linear-gradient(to right, #820303, #8e24aa);
    border-radius: 6px;
}
#shop .product-grid::-webkit-scrollbar-track {
    background: #222;
    border-radius: 6px;
}

/* Mobile horizontal scroll and RGB border for specs list */
@media (max-width: 768px) {
    .specs-list {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        gap: 12px;
        padding-bottom: 8px;
        scroll-snap-type: x mandatory;
    }
    .specs-list li {
        min-width: 220px;
        max-width: 240px;
        flex: 0 0 auto;
        scroll-snap-align: start;
        border-radius: 8px;
        border: 3px solid transparent;
        position: relative;
    }
    .specs-list li::before {
        content: '';
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        border-radius: 8px;
        z-index: 1;
        pointer-events: none;
        border: 3px solid transparent;
        background: linear-gradient(270deg, #ff1744, #8e24aa, #ff1744);
        background-size: 400% 400%;
        animation: rgbSpecBorderMove 4s linear infinite;
        -webkit-mask:
          linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        mask:
          linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
        -webkit-mask-composite: xor;
        mask-composite: exclude;
    }
}
@keyframes rgbSpecBorderMove {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}