* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f7f6;
    color: #333;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 5px;
}

.subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 25px;
}

.loading, .error {
    text-align: center;
    padding: 20px;
    font-size: 16px;
}

.error {
    color: #e74c3c;
}

.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}

.offer-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.2s, box-shadow 0.2s;
}

.offer-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.offer-img {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    margin-bottom: 10px;
}

.offer-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.offer-desc {
    font-size: 13px;
    color: #666;
    margin-bottom: 15px;
    flex-grow: 1;
}

.offer-btn {
    background-color: #3498db;
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: background-color 0.2s;
}

.offer-btn:hover {
    background-color: #2980b9;
}