.at-plan {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    border: 1px solid var(--at-line);
    border-radius: var(--at-radius-lg);
    background: var(--at-surface);
    box-shadow: var(--at-shadow-sm);
    transition: transform .2s var(--at-ease), box-shadow .2s var(--at-ease);
}

.at-plan:hover {
    border-color: var(--at-line-strong);
    box-shadow: var(--at-shadow);
}

.at-plan__bas {
    position: relative;
    padding: 24px 24px 20px;
    border-bottom: 1px solid var(--at-line);
    border-radius: var(--at-radius-lg) var(--at-radius-lg) 0 0;
}

.at-plan--populer {
    border-color: var(--at-navy);
    box-shadow: var(--at-shadow);
}

.at-plan--populer .at-plan__bas {
    border-bottom: 0;
    background: var(--at-navy);
    color: #fff;
}

.at-plan__serit {
    position: absolute;
    top: -11px;
    left: 24px;
    padding: 3px 12px;
    border-radius: var(--at-radius-sm);
    background: var(--at-accent);
    color: var(--at-on-accent);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.at-plan__ad-satir {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.at-plan__ad {
    margin: 0;
    font-size: 19px;
    font-weight: 800;
}

.at-plan--populer .at-plan__ad {
    color: #fff;
}

.at-plan__ikon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: var(--at-radius-sm);
    background: color-mix(in srgb, var(--at-primary) 10%, transparent);
    color: var(--at-primary-ink);
}

.at-plan--populer .at-plan__ikon {
    background: rgba(255, 255, 255, .18);
    color: #fff;
}

.at-plan__aciklama {
    margin: 10px 0 0;
    color: var(--at-muted);
    font-size: 14px;
}

.at-plan--populer .at-plan__aciklama, .at-plan--populer .at-plan__not {
    color: rgba(255, 255, 255, .85);
}

.at-plan__fiyat {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 4px 6px;
    margin-top: 16px;
}

.at-plan__tutar {
    font-size: 30px;
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1.1;
}

.at-plan__donem {
    color: var(--at-muted);
    font-size: 14px;
    font-weight: 600;
}

.at-plan--populer .at-plan__donem {
    color: rgba(255, 255, 255, .85);
}

.at-plan__not {
    margin: 4px 0 0;
    color: var(--at-muted);
    font-size: 12.5px;
}

.at-plan__ozellikler {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 10px 24px;
    list-style: none;
    flex: 1 1 auto;
}

.at-plan__ozellikler li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--at-line);
    font-size: 14px;
}

.at-plan__ozellikler li:last-child {
    border-bottom: 0;
}

.at-plan__ozellikler .at-ikon {
    margin-top: 3px;
    color: var(--at-success);
}

.at-plan__form {
    display: grid;
    gap: 10px;
    padding: 18px 24px 24px;
    margin-top: auto;
}

.at-plan__secim {
    min-height: 42px;
    font-size: 14px;
}

.at-plan__mesaj {
    margin: 0;
    color: var(--at-danger);
    font-size: 13px;
}

.at-donem-anahtar {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--at-line);
    border-radius: var(--at-radius-sm);
    background: var(--at-surface);
}

.at-donem-anahtar button {
    padding: 8px 16px;
    border: 0;
    border-radius: 3px;
    background: transparent;
    color: var(--at-muted);
    font-size: 14px;
    font-weight: 700;
}

.at-donem-anahtar button[aria-pressed="true"] {
    background: var(--at-primary);
    color: #fff;
}