/* General page styling */
body {
    background-color: #18392b;
    color: #fff;
    min-height: 100vh;
    font-family: 'Vazir', sans-serif;
}

/* Loader */
#loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #18392b;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.spinner-border {
    opacity: 60%;
    --bs-spinner-width: 4rem;
  --bs-spinner-height: 4rem;
}

.hidden {
    display: none !important;
}

/* Header */
header {
    text-align: center;
    padding: 40px 0 20px;
}

    header img {
        max-width: 300px;
        height: auto;
    }

hr.separator {
    width: 60%;
    margin: 30px auto;
    border: 0;
    height: 3px;
    background: linear-gradient(to right, transparent, #fff, transparent);
    opacity: 0.6;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    }

    .card img {
        object-fit: scale-down;
        height: 120px;
        padding: 10px;
    }

.card-body {
    background-color: #ffffff;
    color: #1b6649;
    text-align: center;
}

.card-title {
    font-weight: 700;
}

/* Footer */
footer {
    background: #102b1f;
    color: #fff;
    font-size: 0.9rem;
    margin-top: 50px;
}