:root {
    --primary-color: #ff2d55; /* Apple Music like red */
    --primary-hover: #ff4d6d;
    --bg-color: #000000;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Dynamic Background Blobs */
.background-blobs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #1a0008 0%, #000000 100%);
}

.blob {
    position: absolute;
    filter: blur(100px);
    opacity: 0.5;
    border-radius: 50%;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: #ff2d55;
    animation-delay: 0s;
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: #4a00e0;
    animation-delay: -5s;
}

.blob-3 {
    top: 40%;
    left: 40%;
    width: 40vw;
    height: 40vw;
    background: #8e2de2;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(10%, 5%) scale(1.1); }
    100% { transform: translate(-5%, 10%) scale(0.9); }
}

/* Glassmorphism utility */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: 100;
    padding: 15px 30px;
    border-radius: 50px;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(20, 20, 20, 0.8);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    padding: 10px 30px;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-icon {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a:not(.btn):hover {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm { padding: 8px 20px; font-size: 0.9rem; }
.btn-lg { padding: 15px 32px; font-size: 1.1rem; }

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 45, 85, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--text-primary);
    transform: translateY(-2px);
}

/* Layout */
main {
    padding-top: 150px;
    max-width: 1200px;
    margin: 0 auto;
    padding-inline: 20px;
}

section {
    margin-bottom: 150px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff, #a3a3a3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px;
}

.hero-content {
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #ff2d55, #4a00e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to { background-position: 200% center; }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.hero-image-container {
    width: 100%;
    perspective: 1000px;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
    transform: rotateX(5deg) scale(0.95);
    transition: transform 0.5s ease;
}

.hero-image:hover {
    transform: rotateX(0deg) scale(1);
}

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

.feature-card {
    padding: 40px 30px;
    text-align: left;
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 45, 85, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Screenshots Showcase */
.showcase {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.showcase-item {
    text-align: center;
}

.showcase-item img {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    transition: transform 0.4s ease;
}

.showcase-item:hover img {
    transform: scale(1.02);
}

.showcase-caption {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Download Section */
.download-container {
    padding: 80px 40px;
    text-align: center;
    background: linear-gradient(135deg, rgba(255,45,85,0.1), rgba(74,0,224,0.1));
}

.download-container h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.download-container p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
}

.version-info {
    font-size: 0.9rem !important;
    margin-bottom: 0 !important;
    opacity: 0.6;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 40px 0;
    margin-top: 100px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations Utility */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .nav-links { display: none; } /* Simplified mobile nav */
    .hero-actions, .download-buttons { flex-direction: column; }
    .btn { width: 100%; }
}