body {
    font-family: 'Inter', sans-serif;
    background: #f5f7fa;
    color: #1f2937;
    margin: 0;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    background: #111827;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}
header h1 {
    display: inline-block;
    margin-left: 2rem;
    font-weight: 700;
}
header nav {
    float: right;
    margin-right: 2rem;
}
header nav a {
    color: white;
    margin-left: 1.5rem;
    text-decoration: none;
    font-weight: 500;
}
header nav a:hover {
    color: #2563eb;
}

/* Hero */
.hero {
    text-align: center;
    padding: 5rem 1rem;
}
.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}
.hero .btn {
    background: #2563eb;
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
}
.hero .btn:hover {
    background: #1d4ed8;
}

/* Features */
.features {
    padding: 4rem 1rem;
}
.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}
.feature-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}
.card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}
.card h3 {
    margin-bottom: 1rem;
    color: #111827;
}
.card p {
    font-size: 0.95rem;
}

/* CLI Options Table */
.cli-options table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}
.cli-options th, .cli-options td {
    border: 1px solid #d1d5db;
    padding: 0.75rem 1rem;
}
.cli-options th {
    background: #e5e7eb;
    font-weight: 600;
}

/* Usage */
.usage pre {
    background: #1e293b;
    color: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
}
#copy-btn {
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}
#copy-btn:hover {
    background: #1d4ed8;
}

/* About */
.about {
    padding: 4rem 1rem;
    text-align: center;
}

/* Footer */
footer {
    background: #111827;
    color: white;
    padding: 1.5rem 0;
    text-align: center;
}