.nav-card {
    display: block;
    height: 100%;
    padding: 24px;
    border-radius: 16px;
    text-decoration: none;
    color: #fff;
    position: relative;
    transition: all .25s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,.15);
}

.nav-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,.25);
}

.nav-icon {
    font-size: 42px;
    margin-bottom: 12px;
}

.nav-card h4 {
    font-weight: 600;
}

.nav-card p {
    opacity: .9;
    font-size: 14px;
}

.nav-action {
    position: absolute;
    bottom: 20px;
    right: 24px;
    font-weight: 500;
}

/* Цвета */
.nav-card.special {
    background: linear-gradient(135deg, #1f3c88, #4f6fdc);
}

.nav-card.concert {
    background: linear-gradient(135deg, #7b1fa2, #e040fb);
}

.nav-card.review {
    background: linear-gradient(135deg, #2e7d32, #66bb6a);
}

/* Ограниченный доступ */
.nav-card.disabled {
    background: #2b2b2b;
    cursor: not-allowed;
    opacity: .7;
}

.nav-card.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ===== HEADER ===== */

.main-header {
    background: linear-gradient(
        135deg,
        #e9f8ef 0%,
        #dff3e6 50%,
        #f4fff8 100%
    );
    border-bottom: 1px solid #cde9d6;
    padding: 32px 0;
    margin-bottom: 40px;
}

.header-logo {
    height: 56px;
    width: auto;
}

.header-title {
    font-size: 28px;
    font-weight: 600;
    color: #0a3622;
    margin: 0;
}

.header-subtitle {
    font-size: 14px;
    color: #4b7c63;
}

.header-user {
    font-weight: 500;
    color: #0a3622;
}

/* адаптив */
@media (max-width: 768px) {
    .header-title {
        font-size: 22px;
    }
}