:root {
    --bg-color: #0f172a;
    --text-color: #f8fafc;
    --card-bg: #1e293b;
    --card-hover: #334155;
    --accent-focus: #3b82f6;
    --accent-zwl: #22c55e;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.container {
    max-width: 900px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 4rem;
}

header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #e2e8f0, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    font-size: 1.25rem;
    color: #94a3b8;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.app-card {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    text-decoration: none;
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.app-card:hover {
    background-color: var(--card-hover);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.app-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 1.5rem;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-info h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.focus-timer h2 {
    color: var(--accent-focus);
}

.zwl h2 {
    color: var(--accent-zwl);
}

.app-info p {
    color: #cbd5e1;
    line-height: 1.6;
    font-size: 1rem;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }
}