:root {
    --bg-dark: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-primary: #10b981;
    --accent-hover: #059669;
    --accent-blue: #3b82f6;
    --border-glass: rgba(255, 255, 255, 0.1);
}

* {
    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;
    position: relative;
}

/* Background Blobs for Glassmorphism effect */
.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    border-radius: 50%;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: var(--accent-primary);
}

.blob-2 {
    bottom: 20%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: var(--accent-blue);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Glassmorphism Utilities */
.glass-nav {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 100;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Navigation */
.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

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

nav a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 600;
    transition: color 0.2s;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    border: none;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
}

.btn-primary.clicked {
    transform: scale(0.95);
}

.btn-outline {
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.05);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 8rem 2rem;
    align-items: center;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.cta-group {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.version-info {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* App Mockup Animation */
.app-mockup {
    padding: 1.5rem;
    height: 350px;
    display: flex;
    flex-direction: column;
}

.mockup-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
}

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

.red { background: #ef4444; }
.yellow { background: #f59e0b; }
.green { background: #10b981; }

.mockup-body h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.skeleton-line {
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    margin-bottom: 12px;
    animation: pulse 2s infinite;
}

.skeleton-line.short {
    width: 60%;
}

.skeleton-box {
    height: 100px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-top: auto;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 0.8; }
    100% { opacity: 0.5; }
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding: 4rem 2rem 8rem;
}

.feature-card {
    padding: 2.5rem;
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(30, 41, 59, 0.9);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Footer */
footer {
    border-top: 1px solid var(--border-glass);
    padding: 3rem 0;
    text-align: center;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 5rem 2rem;
    }
    
    .hero p {
        margin: 0 auto 2.5rem;
    }
    
    .cta-group {
        justify-content: center;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
}