.page-main-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-text-color);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--secondary-text-color);
    max-width: 600px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--card-bg-color);
    border-radius: 20px;
    padding: 1.5rem 2rem;
    text-align: left;
    box-shadow: 0 8px 25px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-text-color);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--secondary-text-color);
    line-height: 1.5;
    margin-bottom: 0;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1050;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg-color);
    border-radius: 20px;
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--separator-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-text-color);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--secondary-text-color);
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    color: var(--secondary-text-color);
}

.modal-body h4 {
    margin-top: 1.5rem;
    color: var(--primary-text-color);
}

.modal-body ul {
    padding-left: 20px;
}

.modal-body ul li {
    margin-bottom: 0.5rem;
}