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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
}

header {
    background: #1a1a1a;
    color: #00ffcc;
    text-align: center;
    padding: 3rem 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 1.5rem;
}

.text-link {
    text-decoration: none;
}

header h1, header h1 .text-link {
    color: #00ffcc; 
    text-decoration: none;
}

.header-links a {
    color: white;
    text-decoration: none;
    border: 2px solid white;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.header-links a:hover {
    background-color: white;
    color: #1a1a1a;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 40px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    background: #ffffff;
    border: 4px solid #333;
    border-radius: 5px;
    padding: 25px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 150px;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.day-badge {
    background-color: #95eedc;
    color: #1a1a1a;
    font-weight: bold;
    font-size: 0.9rem;
    padding: 5px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 15px;
    align-self: center;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
}