.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    font-weight: 600;
    border: none;
    cursor: pointer;
    white-space: nowrap;

    text-decoration: none;
    border-radius: 50px;
    padding: 10px;
    color: var(--white);

    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.1),
        0 10px 20px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.75rem;
    min-height: 28px;
}

.btn-medium {
    padding: 10px 18px;
    font-size: 0.875rem;
    min-height: 36px;
}

.btn-big {
    padding: 14px 24px;
    font-size: 1rem;
    min-height: 44px;
}

.btn-large {
    padding: 18px 32px;
    font-size: 1.125rem;
    min-height: 52px;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    background-color: var(--yellow-100);
    color: var(--black);
}

.btn--primary:hover {
    background-color: var(--yellow-100);
}

.btn-secondary {
    background-color: var(--teal-400);
    color: var(--black);
}

.btn:active {
    transform: scale(0.97);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: none;
}