:root {
    --bg-color: #050505;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --accent: #39FF14;
    --accent-glow: rgba(57, 255, 20, 0.3);
    --card-bg: #111111;
    --border-color: #222222;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.4;
    height: 100vh;
    overflow: hidden; /* No scroll */
    display: flex;
    flex-direction: column;
}

/* Grid Background Effect */
.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 50px 50px;
    background-position: center top;
    opacity: 0.1;
    z-index: -1;
    pointer-events: none;
}

/* Header */
header {
    padding: 1.5rem;
    text-align: center;
    flex-shrink: 0;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.05em;
}

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

/* Main Layout */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center; /* Center vertically */
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    gap: 3vh; /* Dynamic spacing */
    width: 100%;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 0; /* Removing large margins */
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--card-bg);
    padding: 4px 10px;
    border-radius: 99px;
    border: 1px solid var(--border-color);
    font-size: 0.7rem;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent);
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
}

.highlight {
    color: var(--accent);
    text-shadow: 0 0 20px var(--accent-glow);
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 1.5rem;
}

/* Download Button */
.cta-container {
    display: flex;
    justify-content: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #3DDC84 0%, #35c776 100%);
    color: #000000;
    padding: 14px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 800;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(61, 220, 132, 0.3);
    border: none;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.download-btn:hover {
    background: linear-gradient(135deg, #42ea8d 0%, #3be085 100%);
    box-shadow: 0 6px 25px rgba(61, 220, 132, 0.5);
}

.android-icon {
    width: 20px;
    height: 20px;
}

.file-info {
    font-size: 0.7rem;
    font-weight: 600;
    opacity: 0.6;
    margin-left: 8px;
    border-left: 1px solid rgba(0,0,0,0.2);
    padding-left: 10px;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* Force 3 columns */
    gap: 1.5rem;
    width: 100%;
}

.feature-card {
    background: var(--card-bg);
    padding: 1.25rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    text-align: left;
    transition: border-color 0.3s;
}

.feature-card:hover {
    border-color: var(--accent);
}

.feature-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 8px;
    color: var(--accent);
}

.feature-card h3 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.4;
}

/* Workflow Section */
.workflow-container {
    text-align: center;
    width: 100%;
}

.workflow-container h2 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.workflow-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent);
    background: rgba(57, 255, 20, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.step p {
    font-weight: 600;
    font-size: 0.9rem;
}

.divider {
    width: 40px;
    height: 2px;
    background: #444444;
}

/* Footer */
footer {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.75rem;
    flex-shrink: 0;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        height: auto;
        overflow-y: auto; /* Allow scroll on mobile */
    }
    
    main {
        padding: 2rem 1.5rem;
        gap: 3rem;
    }

    h1 { font-size: 2.5rem; }
    
    .features {
        grid-template-columns: 1fr;
    }

    .workflow-steps {
        flex-direction: column;
        gap: 1.5rem;
    }

    .divider {
        width: 1px;
        height: 20px;
    }
}
