/* General Styles */
  :root {
    --bg-color: #1B263B;
    --text-color: #F5F5DC;
    --accent-color: #D4A017;
    --secondary-color: #4A2C2A;
    --card-bg: #3C2F2F;
    --shadow-color: rgba(212, 160, 23, 0.3);
}


body {
    margin: 0;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Playfair Display', 'Georgia', serif;
    text-align: center;
    transition: filter 0.5s ease;
}

body.monochrome {
    filter: grayscale(100%);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: var(--card-bg);
    box-shadow: 0 2px 8px var(--shadow-color);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--accent-color);
}

.navbar-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
    text-shadow: 0 0 5px var(--shadow-color);
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 18px;
    padding: 10px 15px;
    transition: color 0.3s, border-bottom 0.3s;
    position: relative;
}

.nav-links a:hover {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

.monochrome-toggle {
    cursor: pointer;
    font-size: 20px;
    color: var(--text-color);
}

/* Mobile Navbar */
.menu-icon {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
}

@media screen and (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 10px;
        background: var(--card-bg);
        width: 200px;
        padding: 10px;
        box-shadow: 0 2px 8px var(--shadow-color);
        z-index: 200;
        border: 1px solid var(--accent-color);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 12px;
        border-bottom: 1px solid var(--accent-color);
    }

    .menu-icon {
        display: block;
    }
}
.android-preview {
background: url('https://via.placeholder.com/150x100?text=Android') center/cover;
}

.iphone-preview {
background: url('https://via.placeholder.com/150x100?text=iPhone') center/cover;
}

.macos-preview {
background: url('https://via.placeholder.com/150x100?text=macOS') center/cover;
}

.chromebook-preview {
background: url('https://via.placeholder.com/150x100?text=Chromebook') center/cover;
}

.linux-preview {
background: url('https://via.placeholder.com/150x100?text=Linux') center/cover;
}
/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
    padding: 20px;
    background: linear-gradient(rgba(27, 38, 59, 0.8), rgba(27, 38, 59, 0.8)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="none" stroke="%23D4A017" stroke-width="0.5"/></svg>') repeat;
}

.hero h1 {
    font-size: 40px;
    color: var(--accent-color);
    margin-bottom: 20px;
    text-shadow: 0 0 5px var(--shadow-color);
    letter-spacing: 2px;
}

/* Tab Container */
.tab-container {
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 12px 25px;
    background: var(--bg-color);
    border: 2px solid var(--accent-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.tab-button:hover {
    background: var(--accent-color);
    color: var(--card-bg);
}

.tab-button.active {
    background: var(--accent-color);
    color: var(--card-bg);
}

.tab-button.randomize {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
}

.tab-button.randomize:hover {
    background: #6B3F3C;
}

.tab-panel {
    display: none;
}

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

/* Windows Grid */
.windows-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
    max-width: 800px;
    margin: auto;
}

.windows-box {
    padding: 20px;
    border: 2px solid var(--accent-color);
    cursor: pointer;
    font-size: 18px;
    text-align: center;
    background: var(--card-bg);
    transition: transform 0.3s, box-shadow 0.3s;
}

.windows-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px var(--shadow-color);
}
/* Android Update Screen */
.android-update {
background: #000000;
color: #FFFFFF;
font-family: 'Roboto', 'Arial', sans-serif;
}

.android-container {
width: 100%;
max-width: 400px;
text-align: center;
}

.android-logo {
width: 60px;
height: 60px;
margin: 0 auto 20px;
background: url(assets/images/android-logo-svgrepo-com\ \(1\).svg) center/contain no-repeat;
}

.android-progress {
width: 80%;
height: 10px;
background: rgba(0, 0, 0, 0.2);
border-radius: 5px;
margin: 20px auto;
}

.android-progress-bar {
height: 100%;
background: #FFFFFF;
width: 0%;
border-radius: 5px;
}

/* iPhone Update Screen */
.iphone-update {
background: #000000;
color: #FFFFFF;
font-family: 'San Francisco', 'Arial', sans-serif;
}

.iphone-container {
width: 100%;
max-width: 400px;
text-align: center;
}

.apple-logo {
width: 60px;
height: 60px;
margin: 0 auto 30px;
background: url(assets/images/apple-black-logo-svgrepo-com\ \(1\).svg) center/contain no-repeat;
}

.iphone-progress {
width: 80%;
height: 4px;
background: rgba(255, 255, 255, 0.2);
border-radius: 2px;
margin: 20px auto;
}

.iphone-progress-bar {
height: 100%;
background: #FFFFFF;
width: 0%;
border-radius: 2px;
}

/* macOS Update Screen */
.macos-update {
background: #000000;
color: #FFFFFF;
font-family: 'San Francisco', 'Arial', sans-serif;
}

.macos-container {
width: 100%;
max-width: 500px;
text-align: center;
}

.macos-container .apple-logo {
margin-bottom: 20px;
}

/* Chromebook Update Screen */
.chromebook-update {
background: #FFFFFF;
color: #000000;
font-family: 'Roboto', 'Arial', sans-serif;
}

.chromebook-container {
width: 100%;
max-width: 400px;
text-align: center;
}

.chromebook-spinner {
width: 40px;
height: 40px;
margin: 0 auto 20px;
border: 4px solid #4285F4;
border-top: 4px solid transparent;
border-radius: 50%;
animation: spin 1s linear infinite;
}

@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}

/* Linux Update Screen */
.linux-update {
background: #000000;
color: #00FF00;
font-family: 'Ubuntu Mono', monospace;
}

.linux-container {
width: 100%;
max-width: 600px;
text-align: left;
}

.linux-terminal {
background: #1E1E1E;
padding: 20px;
border-radius: 5px;
margin: 20px 0;
font-size: 14px;
}
/* Preview Images */
.preview-img {
    width: 100%;
    height: 100px;
    background-size: cover;
    background-position: center;
    margin-bottom: 10px;
    border: 1px solid var(--accent-color);
    transition: border-color 0.3s;
}

.windows-box:hover .preview-img {
    border-color: var(--text-color);
}

/* Prank Screen Previews (Unchanged) */
.win7-preview {
    background: url('https://via.placeholder.com/150x100?text=Win7') center/cover;
}

.win8-preview {
    background: url('https://via.placeholder.com/150x100?text=Win8') center/cover;
}

.win10-preview {
    background: url('https://via.placeholder.com/150x100?text=Win10') center/cover;
}

.win11-preview {
    background: url('https://via.placeholder.com/150x100?text=Win11') center/cover;
}

/* Screensaver Previews */
.clockwork-preview {
    background: linear-gradient(180deg, var(--card-bg), var(--secondary-color));
    position: relative;
}

.clockwork-preview::after {
    content: "⚙️";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    animation: gear-spin 4s infinite linear;
}

@keyframes gear-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.fireplace-glow-preview {
    background: linear-gradient(180deg, #4A2C2A, #3C2F2F);
    position: relative;
}

.fireplace-glow-preview::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: radial-gradient(circle, #D4A017 10%, transparent 50%);
    transform: translate(-50%, -50%);
    animation: ember-flicker 2s infinite;
}

@keyframes ember-flicker {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.whiskey-swirl-preview {
    background: var(--card-bg);
    position: relative;
}

.whiskey-swirl-preview::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px dashed var(--accent-color);
    transform: translate(-50%, -50%);
    animation: swirl-spin 3s infinite linear;
}

@keyframes swirl-spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Background Previews */
.leather-study-preview {
    background: linear-gradient(45deg, #3C2F2F, #4A2C2A);
    position: relative;
}

.leather-study-preview::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-color);
    box-sizing: border-box;
}

.marble-elegance-preview {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="50" height="50"><path d="M0 0 Q25 25 50 0 T50 50 T0 50 T0 0" stroke="%23D4A017" stroke-width="1" fill="none"/></svg>') repeat,
                #1B263B;
}

.wood-grain-preview {
    background: linear-gradient(180deg, #3C2F2F, #2F2424);
    position: relative;
}

.wood-grain-preview::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><path d="M0 50 Q50 25 100 50 T100 50" stroke="%23D4A017" stroke-width="0.5" fill="none"/></svg>') repeat;
    opacity: 0.3;
}

/* Sound Toggle */
.sound-toggle {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-color);
    background: var(--card-bg);
    padding: 10px;
    border: 1px solid var(--accent-color);
}

.sound-toggle input {
    margin-right: 8px;
}

/* Screensaver Canvas */
#screensaver-canvas {
    background: var(--bg-color);
}

/* Background Styles */
body.leather-study {
    background: linear-gradient(45deg, #3C2F2F, #4A2C2A);
}

body.marble-elegance {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="50" height="50"><path d="M0 0 Q25 25 50 0 T50 50 T0 50 T0 0" stroke="%23D4A017" stroke-width="1" fill="none"/></svg>') repeat,
                #1B263B;
}

body.wood-grain {
    background: linear-gradient(180deg, #3C2F2F, #2F2424);
}

/* About Section */
.about-section {
    padding: 50px 20px;
    background: var(--card-bg);
    margin: 20px 0;
    border-top: 2px solid var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

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

.about-title {
    text-align: center;
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.about-text {
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 16px;
}

/* Features Section */
.features-section {
    padding: 50px 20px;
    background: var(--bg-color);
}

.features-container {
    max-width: 1000px;
    margin: 0 auto;
}

.features-title {
    text-align: center;
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-box {
    padding: 25px;
    background: var(--card-bg);
    border: 2px solid var(--accent-color);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px var(--shadow-color);
}

.feature-icon {
    font-size: 36px;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.feature-title {
    font-size: 20px;
    color: var(--text-color);
    margin-bottom: 10px;
}

/* FAQ Section */
.faq-section {
    padding: 50px 20px;
    background: var(--card-bg);
    border-top: 2px solid var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-title {
    text-align: center;
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 40px;
    letter-spacing: 1px;
}

.faq-item {
    margin-bottom: 20px;
    background: var(--bg-color);
    border: 1px solid var(--accent-color);
    overflow: hidden;
}

.faq-question {
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-color);
}

.faq-question:hover {
    background: var(--secondary-color);
}

.faq-answer {
    padding: 0 15px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    line-height: 1.6;
    font-size: 14px;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 15px;
}

.faq-toggle {
    color: var(--accent-color);
}

/* Contact Section */
.contact-section {
    padding: 50px 20px;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-container {
    max-width: 600px;
    width: 90%;
    margin: 0 auto;
    background: var(--card-bg);
    padding: 30px;
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.contact-title {
    text-align: center;
    font-size: 32px;
    color: var(--accent-color);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.contact-form {
    width: 100%;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 12px;
    margin-bottom: 20px;
    background: var(--bg-color);
    border: 1px solid var(--accent-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 14px;
    resize: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    box-shadow: 0 0 5px var(--shadow-color);
}

.contact-form button {
    padding: 12px 25px;
    background: var(--accent-color);
    border: none;
    color: var(--card-bg);
    font-family: inherit;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

.contact-form button:hover {
    background: #B88C14;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    padding: 20px;
    background: var(--card-bg);
    text-align: center;
    border-top: 2px solid var(--accent-color);
}

.footer-links {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    margin: 0 15px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.social-icons {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.social-icon {
    margin: 0 10px;
    font-size: 20px;
    color: var(--text-color);
    transition: color 0.3s;
}

.social-icon:hover {
    color: var(--accent-color);
}

.footer p {
    font-size: 14px;
    color: var(--text-color);
}

/* Popup Form (Unchanged for Prank Screens) */
.popup {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 400px;
    background: var(--card-bg);
    padding: 20px;
    border: 2px solid var(--accent-color);
    box-shadow: 0 4px 15px var(--shadow-color);
    z-index: 100;
}

.popup h2 {
    margin-top: 0;
    text-align: center;
    color: var(--accent-color);
}

.popup label {
    display: block;
    margin: 10px 0 5px;
    color: var(--text-color);
    font-size: 14px;
}

.popup input {
    display: block;
    width: 93%;
    margin: 10px 0;
    padding: 12px;
    font-size: 16px;
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--accent-color);
    outline: none;
    transition: box-shadow 0.3s;
    font-family: inherit;
}

.popup input:focus {
    box-shadow: 0 0 5px var(--shadow-color);
}

.popup button {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 12px;
    font-size: 16px;
    background: var(--accent-color);
    color: var(--card-bg);
    border: none;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
    font-family: inherit;
}

.popup button:hover {
    background: #B88C14;
    transform: translateY(-2px);
}

/* Windows Update Screens (Unchanged) */
.update-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.windows7-update {
    background: linear-gradient(to bottom, #1A5089, #092545);
    color: #ffffff;
    font-family: 'Segoe UI', 'Arial', sans-serif;
}

/* .win7-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    background-color: #fff;
    border-radius: 0;
    position: relative;
} */

/* .win7-logo::before {
    content: "";
    position: absolute;
    width: 70px;
    height: 70px;
    top: 5px;
    left: 5px;
    background: linear-gradient(135deg, #1A5089 0%, #092545 100%);
} */

.win7-progress {
    width: 400px;
    height: 20px;
    background: #092545;
    border: 1px solid #3A70A9;
    position: relative;
    margin-top: 20px;
}

.win7-progress-bar {
    height: 100%;
    background: linear-gradient(to bottom, #3A70A9, #1A5089);
    width: 0%;
}

.windows8-update {
    background: #0078d7;
    color: #ffffff;
    font-family: 'Segoe UI', 'Arial', sans-serif;
}

.win8-container {
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.win8-spinner {
    position: relative;
    width: 40px;
    height: 40px;
    margin: 0 auto 30px auto;
    animation: win8-rotate 1.5s linear infinite;
}

.win8-spinner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: #ffffff;
}

@keyframes win8-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.windows10-update {
    background: #0078d7;
    color: #ffffff;
    font-family: 'Segoe UI', 'Arial', sans-serif;
}

.win10-container {
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.win10-preloader {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.win10-dot {
    width: 10px;
    height: 10px;
    background-color: #ffffff;
    border-radius: 50%;
    margin: 0 8px;
    opacity: 0;
    animation: win10-dot-animation 1.4s infinite ease-in-out;
}

.win10-dot:nth-child(1) {
    animation-delay: 0s;
}

.win10-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.win10-dot:nth-child(3) {
    animation-delay: 0.4s;
}

.win10-dot:nth-child(4) {
    animation-delay: 0.6s;
}

.win10-dot:nth-child(5) {
    animation-delay: 0.8s;
}

@keyframes win10-dot-animation {
    0%, 100% {
        transform: scale(0.6);
        opacity: 0.2;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
}

.windows11-update {
    background-color: #000000;
    color: #ffffff;
    font-family: 'Segoe UI', sans-serif;
}

.loading-container {
    position: relative;
    width: 50px;
    height: 50px;
    margin-bottom: 30px;
}

.loading-dot {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background-color: #ffffff;
    opacity: 0.2;
}

.update-message {
    text-align: center;
    line-height: 1.6;
}

.percentage {
    font-size: 18px;
    margin-bottom: 5px;
}

.instruction {
    font-size: 16px;
    font-weight: 400;
}

/* Section Nav */
.section-nav {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    z-index: 99;
    display: none;
}

@media screen and (min-width: 1200px) {
    .section-nav {
        display: block;
    }
}

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

.section-nav li {
    margin: 10px 0;
}

.section-nav a {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--accent-color);
    background: transparent;
    transition: background 0.3s;
}

.section-nav a:hover,
.section-nav a.active {
    background: var(--accent-color);
}

/* Responsive Adjustments */
@media screen and (max-width: 768px) {
    .windows-grid {
        grid-template-columns: repeat(2, minmax(150px, 1fr));
    }

    .hero h1 {
        font-size: 32px;
    }

    .windows-box {
        font-size: 16px;
        padding: 15px;
    }

    .popup {
        width: 80%;
        max-width: 350px;
    }

    .win7-progress,
    .win10-container,
    .win8-container {
        width: 90%;
        max-width: 300px;
    }

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

    .about-title,
    .features-title,
    .faq-title,
    .contact-title {
        font-size: 28px;
    }

    .tab-buttons {
        flex-direction: column;
        gap: 5px;
    }

    .tab-button {
        font-size: 16px;
        padding: 10px 20px;
    }

    .preview-img {
        height: 80px;
    }
}

@media screen and (max-width: 480px) {
    .windows-grid {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 24px;
    }

    .windows-box {
        font-size: 14px;
        padding: 12px;
    }

    .popup {
        width: 90%;
        max-width: 300px;
    }

    .contact-container {
        width: 95%;
    }

    .contact-form input,
    .contact-form textarea {
        font-size: 12px;
        padding: 10px;
    }

    .contact-form button {
        width: 100%;
        font-size: 14px;
    }

    .tab-button {
        font-size: 14px;
    }

    .preview-img {
        height: 60px;
    }
}