:root {
    --primary: #2d3436;
    --accent: #0984e3;
    --bg: #f9f9f9;
    --text: #333;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    color: var(--text);
    background: var(--bg);
}

.container {
    max-width: 1000px;
    margin: auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    background: white;
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #2d3436 0%, #000 100%);
    color: white;
}

/* Grid Layout */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.card img {
    width: 100%;
    border-radius: 4px;
}

.btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 4px;
}

footer {
    text-align: center;
    padding: 40px;
    font-size: 0.9rem;
    color: #666;
}