/* MusicAll Website Styles */

:root {
    /* Brand Colors - Based on #e51c23 */
    --primary: #e51c23;
    --primary-light: #ff4757;
    --primary-dark: #c41e3a;
    --primary-darker: #8b0000;
    --primary-glow: rgba(229, 28, 35, 0.6);
    --primary-soft: rgba(229, 28, 35, 0.1);
    --primary-medium: rgba(229, 28, 35, 0.3);
    
    /* Accent Colors */
    --accent-pink: #ff1744;
    --accent-orange: #ff6b35;
    --accent-purple: #6c5ce7;
    --accent-cyan: #00cec9;
    
    /* Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a26;
    --bg-card: rgba(255, 255, 255, 0.02);
    --bg-card-hover: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Glass Effects */
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #e51c23 0%, #ff1744 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #e51c23 100%);
    --gradient-accent: linear-gradient(135deg, #6c5ce7 0%, #e51c23 100%);
    --gradient-bg: linear-gradient(135deg, #0a0a0f 0%, #12121a 50%, #1a1a26 100%);
    
    /* Animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--gradient-bg);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

/* Loading Animation */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 80px;
    height: 80px;
    position: relative;
}

.loader::before,
.loader::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.loader::after {
    border-top: 3px solid var(--accent-pink);
    animation-duration: 1s;
    animation-direction: reverse;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    height: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px var(--primary-glow);
    animation: logoGlow 3s ease-in-out infinite alternate;
}

@keyframes logoGlow {
    0% { filter: drop-shadow(0 0 5px var(--primary-glow)); }
    100% { filter: drop-shadow(0 0 15px var(--primary-glow)); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    border-radius: 8px;
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-normal);
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 0.1;
    transform: scale(1);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    transform: translateY(-2px);
}

.nav-link span {
    position: relative;
    z-index: 1;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all var(--transition-normal);
}

.mobile-menu-toggle:hover {
    background: var(--bg-glass);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    margin: 3px 0;
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, var(--primary-soft) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(255, 23, 68, 0.1) 0%, transparent 60%),
        radial-gradient(circle at 60% 40%, rgba(108, 92, 231, 0.08) 0%, transparent 60%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    font-size: 2rem;
    color: var(--primary);
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: -5s;
    font-size: 1.5rem;
    color: var(--accent-pink);
}

.floating-element:nth-child(3) {
    bottom: 30%;
    left: 20%;
    animation-delay: -10s;
    font-size: 1.8rem;
    color: var(--accent-purple);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(5deg); }
    50% { transform: translateY(-10px) rotate(-5deg); }
    75% { transform: translateY(-30px) rotate(3deg); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 1s ease 0.3s forwards;
}

.hero-text .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.hero-text .highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: underlineGrow 1s ease 1.5s forwards;
    transform: scaleX(0);
}

@keyframes underlineGrow {
    to { transform: scaleX(1); }
}

.hero-text p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 500px;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s ease 0.6s forwards;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 1s ease 0.9s forwards;
}

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

/* Enhanced Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    font-size: 1.1rem;
    backdrop-filter: blur(10px);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(229, 28, 35, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px rgba(229, 28, 35, 0.4);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 2px solid var(--primary);
    backdrop-filter: blur(20px);
}

.btn-outline:hover {
    background: var(--primary);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 15px 35px rgba(229, 28, 35, 0.3);
}

/* 3D Phone Mockup */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.phone-3d {
    width: 280px;
    height: 560px;
    position: relative;
    transform-style: preserve-3d;
    animation: phone3D 8s ease-in-out infinite;
    opacity: 0;
    animation: slideIn 1.2s ease 0.5s forwards, phone3D 8s ease-in-out 1.5s infinite;
}

@keyframes slideIn {
    to { opacity: 1; }
}

@keyframes phone3D {
    0%, 100% { transform: rotateY(-15deg) rotateX(10deg); }
    50% { transform: rotateY(15deg) rotateX(-10deg); }
}

.phone-frame {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    border-radius: 2.5rem;
    padding: 1rem;
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.6),
        inset 0 2px 4px rgba(255, 255, 255, 0.1);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000 0%, #111 100%);
    border-radius: 2rem;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(229, 28, 35, 0.3);
}

.phone-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(229, 28, 35, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
}

.phone-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 1rem;
}

.phone-content i {
    font-size: 3rem;
    color: var(--primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

/* Floating Action Buttons */
.floating-actions {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    animation: fabFloat 3s ease-in-out infinite;
}

.fab:nth-child(2) { animation-delay: 0.5s; }
.fab:nth-child(3) { animation-delay: 1s; }

@keyframes fabFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.fab:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 10px 25px rgba(229, 28, 35, 0.4);
}

/* Enhanced Features Section */
.features {
    padding: 120px 0;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 80% 20%, rgba(108, 92, 231, 0.08) 0%, transparent 60%),
        radial-gradient(circle at 20% 80%, rgba(0, 206, 201, 0.08) 0%, transparent 60%);
}

.section-header {
    text-align: center;
    margin-bottom: 6rem;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    background: var(--bg-card-hover);
    border-color: rgba(229, 28, 35, 0.3);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 2rem;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 25px rgba(229, 28, 35, 0.3);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(229, 28, 35, 0.5);
}

.feature-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1.1rem;
}

/* Enhanced Versions Section - Adapted from index2.html */
.versions {
    padding: 120px 0;
    background: rgba(15, 15, 35, 0.7);
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.version-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(229, 28, 35, 0.2);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.version-card.featured {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(229, 28, 35, 0.1) 0%, rgba(26, 26, 46, 0.9) 100%);
    transform: scale(1.05);
    box-shadow: 0 0 30px rgba(229, 28, 35, 0.3);
}

.version-card.featured::before {
	content: 'LATEST';
	position: absolute;
	top: 10px;
	right: -35px;
	background: linear-gradient(135deg, #fc466b 0%, #3f5efb 100%);
	color: white;
	padding: 12px 45px;
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.8px;
	text-transform: uppercase;
	transform: rotate(45deg);
	box-shadow: 
		0 8px 25px rgba(252, 70, 107, 0.3),
		0 3px 6px rgba(0, 0, 0, 0.16);
	border-radius: 20px;
	z-index: 10;
	animation: ribbonPulse 3s ease-in-out infinite;
}

@keyframes ribbonPulse {
    0%, 100% { transform: rotate(45deg) scale(1); }
    50% { transform: rotate(45deg) scale(1.05); }
}

.version-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-light);
    box-shadow: 0 15px 45px rgba(229, 28, 35, 0.25);
}

.version-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 0 30px rgba(229, 28, 35, 0.3);
}

.version-number {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.version-features {
    list-style: none;
    margin-bottom: 2rem;
}

.version-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.version-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.version-card:hover .version-number {
    transform: scale(1.05);
}

/* Enhanced Screenshots Gallery with Zoom Effect */
.screenshots {
    padding: 120px 0;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.screenshot-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 9/16;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.screenshot-item:hover {
    transform: scale(1.05);
    border-color: var(--primary);
    box-shadow: 0 25px 50px rgba(229, 28, 35, 0.4);
}

.screenshot-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-soft), rgba(108, 92, 231, 0.1));
    transition: all var(--transition-normal);
}

.screenshot-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.75rem;
    display: block;
}

.screenshot-placeholder i {
    font-size: 3rem;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.screenshot-item:hover .screenshot-placeholder i {
    transform: scale(1.2);
    color: var(--primary-light);
}

.screenshot-item:hover .screenshot-placeholder {
    color: var(--primary-light);
    transform: scale(1.1);
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, rgba(229, 28, 35, 0.05) 0%, rgba(26, 26, 38, 0.8) 100%);
}

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

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 2px solid var(--primary);
    border-radius: 20px;
    padding: 2rem 3rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: 600;
    transition: all var(--transition-normal);
    margin: 2rem 0;
}

.contact-email:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 25px 50px rgba(229, 28, 35, 0.4);
}

.privacy-note {
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2rem;
    font-size: 0.9rem;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
    background: var(--bg-secondary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p,
.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    opacity: 0;
    transform: translateY(100px);
    transition: all var(--transition-normal);
}

.back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
}

.back-to-top a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 25px rgba(229, 28, 35, 0.3);
}

.back-to-top a:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 20px 40px rgba(229, 28, 35, 0.5);
}

/* Scroll Animations */
.scroll-animate {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Custom Particle System */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .navbar {
        height: 70px;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .logo {
        font-size: 1.6rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 15, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 3rem;
        transition: left var(--transition-normal);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

    .phone-3d {
        width: 220px;
        height: 440px;
    }

    .floating-actions {
        display: none;
    }

    .features,
    .versions,
    .screenshots,
    .contact {
        padding: 80px 0;
    }

    .features-grid,
    .versions-grid,
    .screenshots-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .feature-card,
    .version-card {
        padding: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        min-width: 250px;
        justify-content: center;
    }

    .version-card.featured {
        transform: none;
    }
    
    .version-card.featured:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .section-title {
        font-size: clamp(2rem, 6vw, 2.8rem);
    }

    .phone-3d {
        width: 180px;
        height: 360px;
    }

    .feature-card,
    .version-card {
        padding: 1.5rem;
    }

    .contact-email {
        padding: 1.5rem 2rem;
        font-size: 1.1rem;
    }
}