:root {
    --bg-dark: #0a0a0f;
    --text-main: #ffffff;
    --text-muted: #a1a1aa;
    --primary: #6d64f7;
    --primary-hover: #5a52e0;
    --accent: #ff3366;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --blur: blur(12px);
}

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

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

/* Background Animations */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at top, #141423 0%, #0a0a0f 60%);
}

.glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s infinite ease-in-out alternate;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: rgba(109, 100, 247, 0.3);
    top: -100px;
    left: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(255, 51, 102, 0.15);
    bottom: -200px;
    right: -100px;
    animation-delay: -5s;
}

.glow-3 {
    width: 300px;
    height: 300px;
    background: rgba(51, 255, 153, 0.1);
    top: 40%;
    left: 60%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Layout container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 32px;
    font-weight: 500;
    transition: color 0.2s;
}

.nav a:hover {
    color: var(--text-main);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 0 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(109, 100, 247, 0.1);
    border: 1px solid rgba(109, 100, 247, 0.3);
    color: #a7a2ff;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 48px;
}

strong {
    color: var(--text-main);
}

/* Download Section */
.download-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 80px;
}

.status-text {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 16px 36px;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(109, 100, 247, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::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 0.7s;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(109, 100, 247, 0.5);
}

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

.auto-download-text {
    margin-top: 16px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.5s;
}

.auto-download-text.visible {
    opacity: 1;
}

.alt-downloads {
    margin-top: 32px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.os-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.os-links a:hover {
    color: var(--text-main);
    text-decoration: underline;
}

/* Mockup UI */
.preview-mockup {
    width: 100%;
    max-width: 800px;
    height: 400px;
    background: rgba(20, 20, 30, 0.6);
    border: 1px solid var(--border);
    backdrop-filter: var(--blur);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

.window-bar {
    height: 38px;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
}

.dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.mockup-content {
    display: flex;
    flex: 1;
}

.mock-sidebar {
    width: 200px;
    border-right: 1px solid var(--border);
    background: rgba(255,255,255,0.01);
}

.mock-main {
    flex: 1;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mock-header {
    height: 24px;
    width: 150px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.mock-transfer-card {
    height: 80px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 20px;
}

.mock-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 8px;
    opacity: 0.8;
}

.mock-bars {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mock-bar {
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
}

.mock-bar.full {
    width: 100%;
}

.mock-bar.half {
    width: 60%;
    background: var(--primary);
}

.mock-logs {
    flex: 1;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* Features */
.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 48px;
    font-weight: 700;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: var(--blur);
    transition: transform 0.3s, background 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.05);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    background: rgba(255,255,255,0.05);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-muted);
}

/* Footer */
.footer {
    text-align: center;
    padding: 48px 0;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .mock-sidebar {
        display: none;
    }
}